diff options
Diffstat (limited to 'fuse')
41 files changed, 6782 insertions, 1699 deletions
diff --git a/fuse/AUTHORS b/fuse/AUTHORS new file mode 100644 index 000000000..8c1e88f2c --- /dev/null +++ b/fuse/AUTHORS @@ -0,0 +1,9 @@ +FUSE +---- + +Miklos Szeredi <miklos@szeredi.hu> + +CUSE +---- + +Tejun Heo <teheo@suse.de> diff --git a/fuse/Android.mk b/fuse/Android.mk index f53142692..5260e146b 100644 --- a/fuse/Android.mk +++ b/fuse/Android.mk @@ -17,6 +17,7 @@ LOCAL_PATH := $(call my-dir) include $(CLEAR_VARS) LOCAL_SRC_FILES := \ + android/statvfs.c \ buffer.c \ cuse_lowlevel.c \ fuse.c \ @@ -33,10 +34,11 @@ LOCAL_SRC_FILES := \ ulockmgr.c LOCAL_C_INCLUDES := \ + $(LOCAL_PATH)/android \ $(LOCAL_PATH)/include LOCAL_SHARED_LIBRARIES := \ - libutils libdl + libutils LOCAL_CFLAGS := \ -D_FILE_OFFSET_BITS=64 \ @@ -47,24 +49,3 @@ LOCAL_MODULE := libfusetwrp LOCAL_MODULE_TAGS := optional include $(BUILD_STATIC_LIBRARY) -#include $(BUILD_SHARED_LIBRARY) - -include $(CLEAR_VARS) - -LOCAL_SRC_FILES := \ - fusexmp.c - -LOCAL_C_INCLUDES := \ - $(LOCAL_PATH)/include - -LOCAL_CFLAGS := -D_FILE_OFFSET_BITS=64 - -LOCAL_MODULE := fusexmp -LOCAL_MODULE_TAGS := optional - -LOCAL_STATIC_LIBRARIES := libfusetwrp - -LOCAL_SHARED_LIBRARIES := \ - libutils libdl - -include $(BUILD_EXECUTABLE) diff --git a/fuse/COPYING b/fuse/COPYING new file mode 100644 index 000000000..d159169d1 --- /dev/null +++ b/fuse/COPYING @@ -0,0 +1,339 @@ + GNU GENERAL PUBLIC LICENSE + Version 2, June 1991 + + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + <signature of Ty Coon>, 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/fuse/ChangeLog b/fuse/ChangeLog new file mode 100644 index 000000000..f2e5d024f --- /dev/null +++ b/fuse/ChangeLog @@ -0,0 +1,3535 @@ +2015-05-22 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.9.4 + +2015-05-22 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix exec environment for mount and umount. Found by + Tavis Ormandy (CVE-2015-3202). + +2015-02-26 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix fuse_remove_signal_handlers() to properly restore + the default signal handler. Reported by: Chris Johnson + +2014-07-21 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: highlevel API: fix directory file handle passed to + ioctl() method. Reported by Eric Biggers + +2014-07-15 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: document deadlock avoidance for + fuse_notify_inval_entry() and fuse_notify_delete() + + * fusermount, libfuse: send value as unsigned in "user_id=" and + "group_id=" options. Uids/gids larger than 2147483647 would + result in EINVAL when mounting the filesystem. This also needs a + fix in the kernel. + +2014-03-26 Miklos Szeredi <miklos@szeredi.hu> + + * Initilaize stat buffer passed to ->getattr() and ->fgetattr() to + zero in all cases. Reported by Daniel Iwan + +2013-08-26 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: Add missing includes. This allows compiling fuse with + musl. Patch by Daniel Thau + +2013-07-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.9.3 + +2013-06-20 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix multiple close of device fd. Reported by Dan + Greenfield + +2013-03-19 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix thread cancel race. Exiting a worker my race with + cancelling that same worker. This caused a segmenation + fault. Reported and tested by Anatol Pomozov + +2013-02-04 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix crash in unlock_path(). Patch by Ratna Manoj + + * libfuse: fix the 'remember' option. The lru list was not + initialized for the "/" path. This resulted in remove_node_lru() + crashing on LOOKUP-DOTDOT. Patch by Madan Valluri + + * libfuse: configure: detect new util-linux + + * libfuse: Use AC_CONFIG_HEADERS instead of AM_CONFIG_HEADER. + Patch by Anatol Pomozov + + * libfuse: rename ./configure.in to ./configure.ac. Patch by + Anatol Pomozov + +2012-10-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.9.2 + +2012-10-01 Miklos Szeredi <miklos@szeredi.hu> + + * Fix deadlock in libfuse. Running "svn update" on a fuse + filesystem could deadlock because of a bug in the way the paths + are locked. Reported by Kazuaki Anami + +2012-08-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix missing config.h in buffer.c. Reported by Matthew Gabeler-Lee + +2012-08-14 Miklos Szeredi <miklos@szeredi.hu> + + * Not unhashing the name in forget (commit on 2011-12-09) broke + the forget logic in a subtle way, resulting in "fuse internal + error: node NNN not found" and causing the filesystem daemon to + abort. Fix by incrementing the node refcount if nlookup goes from + zero to one. Reported by Kyle Lippincott + +2012-08-13 Miklos Szeredi <miklos@szeredi.hu> + + * Fix linking against GNU libiconv. Patch by Natanael Copa + +2012-07-19 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.9.1 + +2012-07-19 Miklos Szeredi <miklos@szeredi.hu> + + * Fix crash caused by freeing a stack address. Reported by Itay + Perl + +2012-07-04 Miklos Szeredi <miklos@szeredi.hu> + + * Fix install of mount.fuse from out-of-tree build. Patch by + Olivier Blin + + * Fix build with automake >= 1.12.1. Patch by Olivier Blin + +2012-04-24 Miklos Szeredi <miklos@szeredi.hu> + + * Add fallocate operation. Only works on linux kernels 3.5 or + later. Patch by Anatol Pomozov + +2012-05-16 Miklos Szeredi <miklos@szeredi.hu> + + * Linking to a library that uses threads requires the application + to be linked with -pthreads otherwise some pthread functions will + be linked to stubs in glibc. So move -pthread from Libs.private + to Libs in fuse.pc. Reported by Werner Fink + + * Fix the compile command in the examples. Reported by Luciano + Dalle Ore + +2012-04-20 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.9.0 + +2012-04-20 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing fuse_fs_flock to fuse_versionscript + +2012-04-10 Miklos Szeredi <miklos@szeredi.hu> + + * Check protocol version before sending notifications and return + -ENOSYS if a particular notification is not supported. + + * Add 'flag_utime_omit_ok' flag to fuse_operations. If the + filesystem sets this flag then ->utimens() will receive UTIME_OMIT + and UTIME_NOW values as specified in utimensat(2). + +2012-01-27 Miklos Szeredi <miklos@szeredi.hu> + + * Interpret octal escape codes in options. Requested by Jan + Engelhardt + +2012-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Add man pages for fusermount, mount.fuse and ulockmgr_server. + Lifted from the Debian package. The man pages were written by + Daniel Baumann and Bastien Roucaries + +2012-01-13 Miklos Szeredi <miklos@szeredi.hu> + + * Disable symbol versions on MacOSX. Patch by Anatol Pomozov + +2012-01-02 Miklos Szeredi <miklos@szeredi.hu> + + * Remove unnecessary mutex unlock at the end of multithreaded + event loop. + +2011-12-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix hang in wait_on_path(). Reported by Ville Silventoinen + + * Don't unhash name in FORGET. This resulted in ENOENT being + returned for unlinked but still open files if the kernel sent a + FORGET request for the parent directory. + + * Free request in fuse_reply_data(). + +2011-12-08 Miklos Szeredi <miklos@szeredi.hu> + + * Fix build if FUSE_NODE_SLAB is not defined. Patch by Emmanuel + Dreyfus + + * Check for availability of utimensat() function. Patch by + Emmanuel Dreyfus + +2011-12-07 Miklos Szeredi <miklos@szeredi.hu> + + * Add fuse_lowlevel_notify_delete() which tells the kernel that a + file or directory is deleted. Patch by John Muir + +2011-12-06 Miklos Szeredi <miklos@szeredi.hu> + + * Update retrieve_reply() method + +2011-12-05 Miklos Szeredi <miklos@szeredi.hu> + + * Low level API: lock argument of fuse_reply_lock should have a + 'const' qualifier. Reported by Shachar Sharon + + * Add support for ioctl on directories. Reported by Antonio SJ + Musumeci + +2011-10-13 Miklos Szeredi <miklos@szeredi.hu> + + * Reply to request with ENOMEM in case of failure to allocate + request structure. Otherwise the task issuing the request will + just freeze up until the filesystem daemon is killed. Reported by + Stephan Kulow + +2011-09-23 Miklos Szeredi <miklos@szeredi.hu> + + * Replace daemon() function with fork(). Patch by Anatol Pomozov + +2011-08-26 Miklos Szeredi <miklos@szeredi.hu> + + * If configured with --disable-mtab then don't call mount(8) from + libfuse to update the mtab. Reported by: James Sierp + +2011-08-24 Miklos Szeredi <miklos@szeredi.hu> + + * Use LRU list for cleaning up the cache if the "remember=T" + option was given. Patch by therealneworld@gmail.com + +2011-07-06 Miklos Szeredi <miklos@szeredi.hu> + + * Add ->flock() operation to low and high level interfaces. This + fixes problems with emulating flock() with POSIX locking. + Reported by Sebastian Pipping. As with lock/setlk/getlk most + filesystems don't need to implement this, as the kernel takes care + of file locking. The only reason to implement locking operations + is for network filesystems which want file locking to work between + clients. + +2011-07-02 Sebastian Pipping <sebastian@pipping.org> + + * Make xmp_utimens of examples "fusexmp" and "fusexmp_fh" + not follow symlinks as other layers do that already. + +2011-06-02 Miklos Szeredi <miklos@szeredi.hu> + + * Add "remember" option. This works similar to "noforget" except + that eventually the node will be allowed to expire from the cache. + Patch by therealneworld@gmail.com + +2011-05-27 Miklos Szeredi <miklos@szeredi.hu> + + * Check if splice/vmsplice are supported + +2011-05-26 Miklos Szeredi <miklos@szeredi.hu> + + * Remove -lrt -ldl from fuse.pc for dynamic linking since + libfuse.so is already linked with these libraries. Reported by: + Nikolaus Rath + +2011-05-20 Miklos Szeredi <miklos@szeredi.hu> + + * Cleaner build output. Patch by Reuben Hawkins + +2011-05-19 Miklos Szeredi <miklos@szeredi.hu> + + * Disable splice by default, add "splice_read", "splice_write" and + "splice_move" options. Keep the "no_splice_*" variants, which can + disable splice even if the filesystem explicitly enables it. + +2011-04-15 Max Krasnyansky <maxk@kernel.org> + * Added support for "auto_unmount" option which unmounts the + filesystem automatically on process exit (or crash). + +2011-03-30 Miklos Szeredi <miklos@szeredi.hu> + + * Patches by Laszlo Papp fixing various issues found by the + Coverity checker + +2011-03-11 Miklos Szeredi <miklos@szeredi.hu> + + * In case of failure to add to /etc/mtab don't umount. Reported + by Marc Deslauriers + +2011-02-02 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: In fuse_session_loop_mt() don't pause when exiting the + worker threads. The pause() was added in 2.2.1 to prevent + segfault on pthread_cancel() on an exited, detached thread. Now + worker threads are not detached and pthread_cancel() should work + fine even after the thread exited. Reported by Boris Protopopov + +2011-01-31 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: chdir to / before performing mount/umount + + * fusermount: only allow mount and umount if util-linux supports + --no-canonicalize + +2010-12-16 Miklos Szeredi <miklos@szeredi.hu> + + * Highlevel lib: allow hash tables to shrink + + * Highlevel lib: add slab allocation for node cache. This will + allow the memory used by the filesystem to grow and shrink + depending on how many inodes are currently cached. + +2010-12-13 Miklos Szeredi <miklos@szeredi.hu> + + * Highlevel lib: use dynamically resized hash table for looking up + by name and node ID. + +2010-12-07 Miklos Szeredi <miklos@szeredi.hu> + + * Allow batching of forget requests. This allows forget requests + to be processed faster and doesn't require a modification to fuse + filesystems. Reported by Terje Malmedal + + * Add ->forget_multi() operation to the lowlevel API. The + filesystem may implement this to process multiple forget requests + in one call + + * Fix the ambiguity of ioctl ABI on the kernel/userspace boundary + for 32bit vs. 64bit userspace + +2010-11-10 Miklos Szeredi <miklos@szeredi.hu> + + * Add new write_buf() method to the highlevel API. Similarly to + the lowlevel write_buf() method, this allows implementing zero + copy writes. + + * Add a new read_buf() method to the highlevel API. This allows + returning a generic buffer from the read method, which in turn + allows zero copy reads. + + * In fusexmp_fh implement the ->read_buf() and ->write_buf() + methods. Leave the ->read() and ->write() implementations for + reference, even though they are not necessary. + +2010-11-08 Miklos Szeredi <miklos@szeredi.hu> + + * Fix check for read-only fs in mtab update + + * Open /dev/null for write instead of read for redirecting stdout + and stderr + + * If umount(8) supports --fake and --no-canonicalize (util-linux-ng + version 2.18 or later), and umount(2) supports the + UMOUNT_NOFOLLOW flag (linux kernel version 2.6.35 or later) then, + "fusermount -u" will call the umount(2) system call and use + "umount --fake ..." to update /etc/mtab + + * Added --disable-legacy-umount option to configure. This + disables the runtime checking of umount(8) version. When built + with this option then "fusermount -u" will fail if umount(8) + doesn't support the --fake and --no-canonicalize options. + + * Fix fuse_buf_copy() if already at the end of the buffers + + * Add new ->write_buf() method to low level interface. This + allows passig a generic buffer, either containing a memory buffer + or a file descriptor. This allows implementing zero copy writes. + + * Add fuse_session_receive_buf() and fuse_session_process_buf() + which may be used in event loop implementations to replace + fuse_chan_recv() and fuse_session_process() respectively. + + * Remove unnecessary restoring of current working directory in + "fusermount -u" + + * Add ctx->pid to debug output + + * Fix st_nlink value in high level lib if file is unlinked but + still open + + * libfuse: add store request. Request data to be stored in the + kernel buffers for a given inode. + + * libfuse: add retrieve request. Retrieve data stored in the + kernel buffers for a given inode. + +2010-10-14 Miklos Szeredi <miklos@szeredi.hu> + + * Use LTLIBICONV when linking libfuse. This fixes building against + uclibc + libiconv. Patch by Natanael Copa + +2010-10-05 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing argument check in ulockmgr.c to prevent calling + ulockmgr_server with illegal arguments. This would cause an ever + growing list of ulockmgr_server processes with an endless list of + open files which finally exceeds the open file handle limit. + Patch by Markus Ammer + +2010-09-28 Miklos Szeredi <miklos@szeredi.hu> + + * Fix ambiguous symbol version for fuse_chan_new. + fuse_versionscript included fuse_chan_new in both FUSE_2.4 and + FUSE_2.6. Remove the FUSE_2.4, which is invalid. + +2010-09-28 Miklos Szeredi <miklos@szeredi.hu> + + * Fix option escaping for fusermount. If the "fsname=" option + contained a comma then the option parser in fusermount was + confused (Novell bugzilla #641480). Fix by escaping commas when + passing them over to fusermount. Reported by Jan Engelhardt + +2010-08-27 Miklos Szeredi <miklos@szeredi.hu> + + * Add NetBSD support. Patch from Emmanuel Dreyfus + +2010-07-12 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: add buffer interface. Add a generic buffer interface + for use with I/O. Buffer vectors are supplied and each buffer in + the vector may be a memory pointer or a file descriptor. + + * The fuse_reply_fd() interface is converted to using buffers. + +2010-06-23 Miklos Szeredi <miklos@szeredi.hu> + + * Make the number of max background requests and congestion + threshold tunable. New options are "max_background" and + "congestion_threshold". Only effective on linux kernel versions + 2.6.32 or greater. Patch by Csaba Henk + +2010-06-17 Miklos Szeredi <miklos@szeredi.hu> + + * Add fuse_reply_fd() reply function to the low level interface. + On linux version 2.6.35 or greater this will use splice() to move + data directly from a file descriptor to the fuse device without + needing to go though a userspace buffer. With the + FUSE_REPLY_FD_MOVE flag the kernel will attempt to move the data + directly into the filesystem's cache. On earlier kernels it will + fall back to an intermediate buffer. The options + "no_splice_write" and "no_splice_move" can be used to disable + splicing and moving respectively. + +2010-06-15 Miklos Szeredi <miklos@szeredi.hu> + + * Fix out-of-source build. Patch by Jörg Faschingbauer + + * Add a "nopath" option and flag, indicating that path argument + need not be calculated for the following operations: read, write, + flush, release, fsync, readdir, releasedir, fsyncdir, ftruncate, + fgetattr, lock, ioctl and poll. + +2010-05-10 Miklos Szeredi <miklos@szeredi.hu> + + * Remove "chmod root" from install of fusermount. Reported by + Lucas C. Villa Real + +2010-04-26 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.4 + +2010-04-26 Miklos Szeredi <miklos@szeredi.hu> + + * Fix checking for symlinks in umount from /tmp. Reported by Al + Viro + + * Fix umounting if /tmp is a symlink. Reported by Franco Broi + +2010-02-18 Miklos Szeredi <miklos@szeredi.hu> + + * Fix definition of FUSE_OPT_END for C++. Reported by Tim + Bruylants + +2010-02-03 Miklos Szeredi <miklos@szeredi.hu> + + * Fix stack alignment for clone() + +2010-02-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.3 + +2010-02-01 Miklos Szeredi <miklos@szeredi.hu> + + * Using "--no-canonicalize" with umount(8) conflicts with the race + fix, sinceit assumes the supplied path is absolute, while the race + fix relies on the path being relative to the current directory. + Reported by Tom Rindborg + +2010-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.2 + +2010-01-21 Miklos Szeredi <miklos@szeredi.hu> + + * Fix race if two "fusermount -u" instances are run in parallel. + Reported by Dan Rosenberg + + * Make sure that the path to be unmounted doesn't refer to a + symlink + +2010-01-14 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compile error on FreeBSD. Patch by Jay Sullivan + +2009-12-17 Miklos Szeredi <miklos@szeredi.hu> + + * Use '--no-canonicalize' option of mount(8) (available in + util-linux-ng version 2.17 or greater) to avoid calling + readling(2) on the newly mounted filesystem before the mount + procedure is finished. This has caused a deadlock if "audit" was + enabled in the kernel. Also use '--no-canonicalize' for umount to + avoid touching the mounted filesystem. + +2009-09-11 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.1 + +2009-08-25 Miklos Szeredi <miklos@szeredi.hu> + + * Fix missing versioned symbol fuse_get_context@FUSE_2.2 + +2009-08-18 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.0 + +2009-08-18 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing fuse_session_data to versionscript + + * Make sure all global symbols are prefixed with "fuse_" or "cuse_" + +2009-07-16 Miklos Szeredi <miklos@szeredi.hu> + + * Clarify how the protocol version should be negotiated between + kernel and userspace. Notably libfuse didn't correctly handle the + case when the supported major versions didn't match + + * Add missing pthread link for libulockmgr. Patch by Petr Salinger + +2009-07-02 Miklos Szeredi <miklos@szeredi.hu> + + * The context is extended with a 'umask' field. The umask is sent + for mknod, mkdir and create requests by linux kernel version + 2.6.31 or later, otherwise the umask is set to zero. Also + introduce a new feature flag: FUSE_CAP_DONT_MASK. If the kernel + supports this feature, then this flag will be set in conn->capable + in the ->init() method. If the filesystem sets this flag in in + conn->want, then the create modes will not be masked. + + * Add low level interfaces for lookup cache and attribute + invalidation. This feature is available in linux kernels 2.6.31 + or later. Patch by John Muir + + * Kernel interface version is now 7.12 + + * fusermount: Do not silently ignore command line arguments. + Patch by Sebastian Harl + +2009-06-19 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.0-pre3 + +2009-06-19 Miklos Szeredi <miklos@szeredi.hu> + + * Add fuse_getgroups (high level lib) and fuse_req_getgroups (low + level lib) functions to query the supplementary group IDs for the + current request. Currently this is implemented on Linux by + reading from the /proc filesystem. + +2009-06-18 Miklos Szeredi <miklos@szeredi.hu> + + * Add "noforget" option to high level lib to prevent ESTALE errors + on NFS exported filesystems. This result in paths being cached + forever, resulting in ever growing memory usage. Use with care. + + * Add "no_remote_lock" option to disable remote file locking even + if the filesystem implements it. With this option locking + primitives (flock, lockf, fcntl(F_SETLK)) will still work, but + will ignore remotely locked files. + + * CUSE patches from Tejun Heo: + + * Unrestricted ioctl support left some debris. Clean them up: + o No reason to pass around pointer to flags. Pass flags directly. + o Clean up comment and prototype parameter names. + o fuse_lib_ioctl() didn't reply when get_path() failed. Fix it. + o Remove unused variables {in|out}_iov from fuse_lib_ioctl(). + + * Add fuse_reply_ioctl_iov() + + * Move fuse_session, fuse_req and fuse_ll definitions to fuse_i.h + and make send_reply_iov() and fuse_setup_common() global (also in + fuse_i.h). These will be used by CUSE support. + + * Restructure fuse_ll_process() + + * Implement libfuse side of CUSE support. CUSE uses subset of FUSE + operations as dir operations don't make sense for CUSE where one + instance implements single character device. + + CUSE support comes with its own cuse_lowevel_ops and related + initialization and helper functions. Except for initialization, it + usage is basically identical to FUSE. + + This patch also adds example/cusexmp.c which can create a character + device with name and device number specified on command line. The + created device itself is pretty boring. It's a bit bucket supporting + read, write and access via ioctl. + +2009-06-16 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing fuse_reply_bmap to versionscript. Debian + Bug#531329. Reported by Goswin Brederlow + +2009-05-27 Miklos Szeredi <miklos@szeredi.hu> + + * Don't call forget_node() if the lookup was negative and write() + for the reply returned ENOENT. Reported by John Haxby + +2009-05-25 Miklos Szeredi <miklos@szeredi.hu> + + * Add FUSE_CAP_EXPORT_SUPPORT to fuse_common.h + +2009-05-08 Miklos Szeredi <miklos@szeredi.hu> + + * Fix missing newlines in some printfs + + * Fix 'make install-strip'. Reported by Dominick Layfield + +2009-01-05 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.0-pre2 + +2008-12-08 Miklos Szeredi <miklos@szeredi.hu> + + * Implement poll support. Patch by Tejun Heo + + * Add missing setattr flags to <fuse_lowlevel.h>. + + * Only pass valid flags to ->setattr(). + +2008-12-05 Miklos Szeredi <miklos@szeredi.hu> + + * Implement ioctl support. On high level interface only + "restricted" ioctls are supported (which are defined with the + _IO(), _IOR(), _IOW() or _IOWR() macros). Unrestricted ioctls + will only be allwed to CUSE (Character Device in Userspace) + servers. Patch by Tejun Heo + +2008-11-28 Miklos Szeredi <miklos@szeredi.hu> + + * If open sets fi->nonseekable, libfuse will tell the kernel that + the file is not seekable. Patch by Tejun Heo + +2008-11-19 Miklos Szeredi <miklos@szeredi.hu> + + * lowlevel lib: fix deadlock if fuse_reply_* is called from the + interrupt handling function. Reported by Tero Marttila + +2008-10-16 Miklos Szeredi <miklos@szeredi.hu> + + * Allow commas in options to be escaped with a backslash + + * Add new function: fuse_opt_add_opt_escaped() + + * Add missing fuse_reply_bmap() to the version script + +2008-10-14 Miklos Szeredi <miklos@szeredi.hu> + + * Pass current file flags to read and write operations + +2008-07-24 Miklos Szeredi <miklos@szeredi.hu> + + * Clean up debug output in highlevel lib + +2008-07-10 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.8.0-pre1 + +2008-06-27 Miklos Szeredi <miklos@szeredi.hu> + + * Fix handling of (no)suid and (no)dev options if filesystem is + mounted from /etc/fstab or via mount(8). Reported by Jan Ondrej. + + * Skip calling mount(8) if /etc/mtab doesn't exist or if it's on a + read-only filesystem. This works around issues with certain mount + implementations. Reported by Szabolcs Szakacsits. + +2008-06-16 Miklos Szeredi <miklos@szeredi.hu> + + * Remove fuse kernel module sources. Linux 2.6.27 will support + NFS exporting. + +2008-06-10 Miklos Szeredi <miklos@szeredi.hu> + + * Fix theoretical infinite loops in libfuse. Reported by Szabolcs + Szakacsits + + * Fix missing <sys/param.h> include for PATH_MAX. Reported by + Szabolcs Szakacsits + +2008-05-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix mounting over symlink. Reported by Szabolcs Szakacsits + +2008-05-09 Miklos Szeredi <miklos@szeredi.hu> + + * Don't allow bigger than 4kB writes by default on 2.6.26 and + later kernels, so that filesystems not expecting this are not + broken on a kernel upgrade. Provide a 'big_writes' mount option + to enable this feature. In future API revisions this may become + the default. + +2008-04-09 Miklos Szeredi <miklos@szeredi.hu> + + * Update warning message for missing newline at end of fuse.conf + + * Update debug message for successful operation to not include the + string "error:" + +2008-04-08 Miklos Szeredi <miklos@szeredi.hu> + + * Update error message for missing mountpoint parameter. Reported + by Allen Pulsifer + +2008-04-04 Miklos Szeredi <miklos@szeredi.hu> + + * Print library version information to debug output + + * Highlevel lib: don't limit paths to 4095 characters + +2008-03-25 Miklos Szeredi <miklos@szeredi.hu> + + * Fix memory leaks on mount. Patch by Szabolcs Szakacsits + +2008-03-19 Miklos Szeredi <miklos@szeredi.hu> + + * Fix missing pthread_mutex_destroy in error path of + fuse_lib_opendir(). Patch by Szabolcs Szakacsits + +2008-03-07 Miklos Szeredi <miklos@szeredi.hu> + + * Add queuing on contention to per-node lock algorithm, to avoid + starvation. + + * Only enable cancelation when reading a request, otherwise + cancellation could happen with a mutex held, which could hang the + process on umount + +2008-02-08 Miklos Szeredi <miklos@szeredi.hu> + + * Block SIGCHLD when executing mount and umount + + * fusexmp_fh: avoid unnecessary seeking in readdir + + * Update kernel interface to 7.9: + + * Support receiving file handle from kernel in GETATTR request + + * Allow operations with a NULL path argument, if the filesystem + supports it + + * Add support atomic open(O_TRUNC) + + * Support the st_blksize field in struct stat + + * If the "FUSE_THREAD_STACK" environment is set, initialize the + stack size of threads by this value. Patch by Florin Malita + + * Add per-node locking, instead of a global tree lock to protect + the path from changing during operations. Original patch by + Rodrigo Castro + +2008-02-03 Csaba Henk <csaba.henk@creo.hu> + + * lib/mount_bsd.c: + - string formatting fixes + - exit if mounting has failed + (in FreeBSD a mount failure is not critical per se, as the daemon + still could be mounted externally, but waiting for such an event + is more confusing than fruitful) + - ditch the kvm(8) stuff and simply use forced unmount which just + won't block + - prettify option specifications + - add "-onosync_unmount" kernel option + +2008-01-07 Csaba Henk <csaba.henk@creo.hu> + + * lib/mount_bsd.c: + - refine device closing in a race-free way + - add support for "-osubtype" on FreeBSD + + * makeconf.sh: make it work under FreeBSD + +2008-01-03 Csaba Henk <csaba.henk@creo.hu> + + * lib/mount_bsd.c: close device before unmount + (cf. lib/mount.c rev. 1.43) and fix some warnings + +2007-12-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix './configure --disable-static'. Patch from Ismail Dönmez + +2007-12-17 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.7.2 + +2007-12-12 Miklos Szeredi <miklos@szeredi.hu> + + * Fix kernel module compile for 2.6.24 + + * Invalidate attributes of parent directory after create(), since + the modification time changes. Invalidate attributes on rename, + since some filesystems may update st_ctime. Reported by Szabolcs + Szakacsits + + * Fix NFS exporting to handle 64bit node IDs + + * Disable old symbol versions if __UCLIBC__ is defined. If a + symbol in a library has multiple versions, the runtime linker in + uClibc seems to randomly choose between them. + + * Remove erroneous 'fuse_opt_insert_arg@FUSE_2_5' from + fuse_version_script. fuse_opt_free_args() was added in fuse-2.6. + + * Close fuse device file descriptor before calling umount(), + preventing a deadlock when umount is synchronous. Reported by + Szabolcs Szakacsits + +2007-11-12 Miklos Szeredi <miklos@szeredi.hu> + + * 'fusermount -u' did not umount the filesystem if /etc/mtab was a + symlink. This bug was introduced in 2.7.1 by "Don't call + /bin/[u]mount if /etc/mtab is a symlink". Found by robertsong. + +2007-10-16 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.7.1 + +2007-10-16 Miklos Szeredi <miklos@szeredi.hu> + + * Clarify licence version to be "LGPLv2" for the library + + * kernel fixes: + + * After mount set nlink attribute for the root inode to 1 + + * Fix wake up of task waiting for a reserved request + + * Fix allowing setattr, listxattr and statfs for other users + +2007-09-18 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing context initialization in fuse_fs_chmod(). Bug + found by "iohead" + + * Fix kernel module compilation for 2.6.23. Based on patch by + Marian Marinov + +2007-09-04 Philippe Elie <phil.el@wanadoo.fr> + + * lib/fuse_lowlevel.c: fix a fuse_req leak in do_forget() + +2007-07-31 Miklos Szeredi <miklos@szeredi.hu> + + * Work around hotplug issue, that it calls filesystem with file + descriptors 0, 1 and 2 not open. Tracked down by Leif Johnson + +2007-07-25 Miklos Szeredi <miklos@szeredi.hu> + + * Don't call /bin/[u]mount if /etc/mtab is a symlink. Reported by + Tomas M + + * Also don't touch /etc/mtab if it is within the mounted + filesystem. Suggested by Jeffrey Law + +2007-07-12 Miklos Szeredi <miklos@szeredi.hu> + + * Reset args->argc in fuse_opt_free_args(). Patch by Lucas + C. Villa Real + +2007-07-02 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.7.0 + +2007-07-02 Miklos Szeredi <miklos@szeredi.hu> + + * Accept a NULL "op" for fuse_main(), etc. This is useful if + filesystem is only invoking fuse to print a help message, or + version. Fixes RedHat bugzilla #217343 + +2007-06-22 Miklos Szeredi <miklos@szeredi.hu> + + * lib: fix locking when loading a filesystem module + +2007-06-21 Miklos Szeredi <miklos@szeredi.hu> + + * Add fs subtype support to mount.fuse + +2007-06-20 Miklos Szeredi <miklos@szeredi.hu> + + * Add fs subtype support to libfuse and fusermount + +2007-06-19 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: sync with mainline (2.6.22) + +2007-06-18 Miklos Szeredi <miklos@szeredi.hu> + + * Send debug output to stderr instead of stdout. Patch by Jan + Engelhardt + +2007-06-03 Miklos Szeredi <miklos@szeredi.hu> + + * libulockmgr: Work around a kernel bug in recv(), causing it to + sometimes return zero even if data was available on the socket. + +2007-05-29 Miklos Szeredi <miklos@szeredi.hu> + + * lib: optimization: store parent pointer in node instead of + parent id + +2007-05-25 Miklos Szeredi <miklos@szeredi.hu> + + * lib: don't create new thread for each FORGET request. FORGET + messages sometimes caused so many threads to be created, that + process virtual memory space ran out. Reported by Chris AtLee + +2007-05-24 Miklos Szeredi <miklos@szeredi.hu> + + * lib: fix memory leak on thread creation failure in multithreaded + event loop. Found by Chris AtLee + +2007-05-23 Miklos Szeredi <miklos@szeredi.hu> + + * lowlevel lib: add fuse_reply_iov function, which is similar to + fuse_reply_buf, but accepts a vector of buffers. Patch by Roger + Willcocks + +2007-05-21 Miklos Szeredi <miklos@szeredi.hu> + + * Fix Oops or error if a regular file is created with mknod(2) on + a fuse filesystem. Kernels 2.6.18 onward are affected. Thanks to + J. Cameijo Cerdeira for the report + +2007-05-11 Csaba Henk <csaba.henk@creo.hu> + + * libfuse: fix return value of fuse_loop()/fuse_loop_mt(). + Error reported by Csaba Henk, fix by Miklos Szeredi + + * libfuse: fix unlock in flush + + * libfuse: do unlocking on RELEASE+FLUSH + +2007-05-03 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.7.0-rc1 + +2007-05-02 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: sync with mainline: + + * Use invalidate_mapping_pages() if available + + * Fix BUG when invalid file type is supplied in mount. Patch by + Timo Savola + +2007-04-27 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: call umount(8) directly instead of fusermount if + possible + + * Clean up init script, make it LSB compliant + +2007-04-26 Miklos Szeredi <miklos@szeredi.hu> + + * In multithreaded loop, use a semaphore instead of SIGHUP to wake + up the main thread on umount. This is more elegant, and works + even if signals are blocked. + +2007-04-25 Miklos Szeredi <miklos@szeredi.hu> + + * Improve mounting support in libfuse: + - check non-empty mountpoint + - only fall back to fusermount when necessary + +2007-04-23 Miklos Szeredi <miklos@szeredi.hu> + + * Don't chdir to "/" in foreground mode, it causes more trouble + than it's worth + +2007-04-18 Miklos Szeredi <miklos@szeredi.hu> + + * Replace utils/mount.fuse "sh" script with a "C" program + +2007-04-15 Miklos Szeredi <miklos@szeredi.hu> + + * Add -lulockmgr to compilation comment in fusexmp_fh.c + +2007-04-05 Miklos Szeredi <miklos@szeredi.hu> + + * Check for iconv. Patch by Csaba Henk + + * Add direct umounting + + * Use "fusectl" as the device for the fusectl filesystem. Debian + Bug#417945. Reported by Laurent Bonnaud + +2007-04-01 Csaba Henk <csaba.henk@creo.hu> + + * Fix some FreeBSD related macros. + +2007-03-30 Miklos Szeredi <miklos@szeredi.hu> + + * Add support for direct mounting by libfuse. Fall back on + calling fusermount if it doesn't work + +2007-03-14 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.7.0-pre1 + +2007-03-05 Miklos Szeredi <miklos@szeredi.hu> + + * Correctly handle O_APPEND in direct IO mode. Reported by Greg + Bruno + + * mount.fuse should use /bin/bash. Debian Bug#413403. Reported + by Thomas Weinbrenner + +2007-02-26 Miklos Szeredi <miklos@szeredi.hu> + + * Fix detection of installed fuse in init script. Reported and + fix suggested by Davide Canova + +2007-02-05 Miklos Szeredi <miklos@szeredi.hu> + + * Fix 2.6.9 RHEL kernels, which have compatibility mutex.h, but + don't define mutex_destroy(), bummer. Patch from Phil Schwan + +2007-02-04 Miklos Szeredi <miklos@szeredi.hu> + + * Compile fuseblk for kernels which don't have an option to turn + off the block layer (CONFIG_BLOCK). Reported by Szakacsits + Szabolcs + +2007-02-03 Miklos Szeredi <miklos@szeredi.hu> + + * Add filesystem stacking support to high level API. Filesystem + modules can be built into libfuse or loaded from shared object + (.so) files + + * Add 'subdir' and 'iconv' built in modules + + * lib/fuse.c: Fix locking for the reply code in create and open + +2007-02-02 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: make it compile on "strange" kernels which have emulated + mutexes via <linux/mutex.h> but no i_mutex. Reported by Tomasz + Mateja + +2007-01-28 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix BUG in control filesystem if it is umounted and + mounted again, while some fuse filesystems are present. + Bugreport from Florent Mertens + + * kernel: sync with mainline, support 2.6.20 + +2007-01-22 Miklos Szeredi <miklos@szeredi.hu> + + * lib/Makefile.am: actually link libfuse against libfuse_libs + +2007-01-19 Miklos Szeredi <miklos@szeredi.hu> + + * Build fix for 2.6.16 vanila and 2.6.15 FC5 kernels. Patch from + Ian Abbott + +2007-01-18 Miklos Szeredi <miklos@szeredi.hu> + + * Fix abort in fuse_new() compatibility API for opts == NULL case. + Novell bugzilla #233870. Patch from Takashi Iwai. + +2007-01-13 Miklos Szeredi <miklos@szeredi.hu> + + * Fix option parsing in mount.fuse. Patch from Jens M. Noedler + +2007-01-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix unaligned access in file desctriptor passing in libfuse, + fusermount and ulockmgr. Debian bug ID: 404904. Reported and + tested by Sebastian Fontius + +2006-12-16 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: don't keep unreferenced inodes in the icache. + +2006-12-15 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: Fix detection of fuseblk. Reported by Szakacsits + Szabolcs + + * lib: Fix use after free in fuse_flush(). Reported by Ron + Lindman + +2006-12-10 Miklos Szeredi <miklos@szeredi.hu> + + * mount.fuse: add "setuid=USER" option which does a "su - USER" + for the filesystem + + * fusermount: use "/bin/mount -f" to add entry to /etc/mtab, and + "/bin/umount" to remove entry from /etc/mtab. This gets rid of + the ugly code dealing with mtab, as well as a possible race + between fusermount and mount trying to modify /etc/mtab at the + same time + + * Fix "buffer size too small: 4" warning for users of the + fuse_loop_mt_proc() function. + +2006-12-04 Miklos Szeredi <miklos@szeredi.hu> + + * Fix warnings with gcc-4.1 on 64bit archs. Report from + Harshavardhana + + * Add extra warning options, and fix resulting warnings + + * Really fix fuse_teardown problem + +2006-12-02 Miklos Szeredi <miklos@szeredi.hu> + + * Add -lrt to fuse.pc (if needed) to fix static linking against + libfuse. Reported by Szakacsits Szabolcs + +2006-12-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.1 + +2006-11-30 Miklos Szeredi <miklos@szeredi.hu> + + * Fix API version 21 and 22 compatibility for fuse_teardown. + Reported by Bgs + +2006-11-29 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: Print a more helpful message in case the kernel + doesn't support the 'fuseblk' filesystem type. This has been + biting ntfs-3g users. Reported by Yura Pakhuchiy + + * kernel: fix build problem for "make -C ...". Reported by + Stephen Bryant + +2006-11-19 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in certain error paths of lookup routines. The request + object was reused for sending FORGET, which is illegal. This bug + could cause an Oops in linux-2.6.18 or in fuse-2.6.0, and might + silently corrupt memory in earlier versions. Report and test + program by Russ Cox + +2006-11-11 Miklos Szeredi <miklos@szeredi.hu> + + * Print an error if an incompatible kernel interface version is + detected in INIT. This will only show if filesystem is started + with -d or -f + + * Fix order of fuse_destroy()/fuse_unmount() in error cleanup of + fuse_setup_common(). Reported by Szakacsits Szabolcs + +2006-11-06 Miklos Szeredi <miklos@szeredi.hu> + + * Fix recursive locking in fuse_create(). Thanks to Takuya + Ishibashi for the bug report + +2006-10-28 Miklos Szeredi <miklos@szeredi.hu> + + * Fix automake problem. Patch from Nix + +2006-10-26 Miklos Szeredi <miklos@szeredi.hu> + + * Fix mount.fuse to use /bin/sh instead of /bin/bash, which is not + always available on embedded systems. Patch from Paul Smith + + * Fix util/Makefile.am, so that failure to run update-rc.d or + device creation doesn't cause make to fail. Reported by Paul + Smith + +2006-10-21 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0 + +2006-10-18 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: don't try to create a lock file if /etc/mtab is a + symlink. Report and patch from Alexei Sheplyakov (debian bug + #393693) + +2006-10-17 Miklos Szeredi <miklos@szeredi.hu> + + * Minor changes, sync with mainline tree + +2006-10-16 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-rc3 + +2006-10-15 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: cleanups + +2006-10-13 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: Fix compilation on patched 2.6.18 (fc6) and 2.6.19. + Report from David Shaw + + * lib: Fix lost error on renaming a file. Report from David Shaw + + * lib: Fix lost error on hiding open files (renaming to + .fuse_hiddenXXXX) + + * kernel: Fix a rare hang on SMP/32bit on heavy filesystem + activity. The cause of the bug was that some calls to + i_size_write() were not protected by a lock, and hence + i_size_seqcount could become corrupted. This caused subsequent + calls to i_size_read() to spin forever. This is a long standing + bug was probably introduced in version 2.2, and thought to be + related to NFS exporting (it's not). It was reported by various + people, but Dana Henriksen has finally helped me to track it down, + so big thanks to him + + * kernel: Protect against truncation of a swapfile + +2006-10-10 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: Check for signature of super_operations->umount_begin(). + Ubuntu kernel 2.6.17 seems to use the new signature found in + 2.6.18. Thanks to Florent Mertens for the report + +2006-10-08 Miklos Szeredi <miklos@szeredi.hu> + + * Make sure inode numers wrap around at 2^32. This is needed on + dual 64bit/32bit architectures, because 32bit applications using + the non-largefile interface would otherwise break (EOVERFLOW error + would be returned by the stat() system call family) + + * ulockmgr: handle the case, when a locking operation fails + because no more file desctriptors are available in + ulockmgr_server. Also work around a Linux kernel bug (known to + exist for all Linux kernel versions <= 2.6.18) which may cause + sent file descriptors to be lost in the above case + + * ulockmgr: optimize file descriptor use + + * restore needed cpp flags to util/Makefile.am + + * Install udev rules as 99-fuse.rules instead of 60-fuse.rules + + * Minor clean up of udev rules + + * Add a synchronous DESTROY message to kernel interface. This is + invoked from umount, when the final instance of the filesystem is + released. It is only sent for filesystems mounted with the + 'blkdev' option for security reasons. + + * If the DESTROY message is received, call the filesystem's + ->destroy() method. In this case it's not called from session + destruction as it would be otherwise. + +2006-10-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-rc2 + +2006-10-01 Miklos Szeredi <miklos@szeredi.hu> + + * Add support for FLUSH+RELEASE operation for FreeBSD. Original + patch by Csaba Henk + + * Add init script to insert fuse module and mount the control + filesystem. The script is installed as /etc/init.d/fuse and on + debian based systems (where update-rc.d is available) symlinks + from /etc/rc*.d/ are also installed. + + * Include '#define FUSE_USE_VERSION=XX' into examples so they + become more self contained. + +2006-09-30 Miklos Szeredi <miklos@szeredi.hu> + + * API changes: + + * Move lock_owner from a separate argument into fuse_file_info + + * Add a flag to fuse_file_info indicating (1) a highlevel lock + operation (unlock all) was initiated by a flush, (2) a lowlevel + release operation should perform a flush as well. + + * fusermount: revert modprobe change (2006-08-18) since it + doesn't work reliably with udev + + * Add support for block device backed filesystems. This mode is + selected with the 'blkdev' option, which is privileged. + + * Add support for the bmap (FIBMAP ioctl) operation on block + device backed filesystems. This allows swapon and lilo to work on + such filesystems. + + * kernel changes: + + * Drop support for kernels earlier than 2.6.9. Kernel module from + previous (2.5.x) release can be used with library from this + release + + * In fuse_dentry_revalidate() use dget_parent() instead of + dereferencing d_parent, since there's no protection against parent + changing and going away + + * Protect nlookup from concurrent updates + + * In lookup if a directory alias exists but is unused, + then get rid of it, otherwise return -EBUSY. + + * In mkdir if a directory alias exists, return success, but leave + dentry negative. In reality this could happen if a remote rename + immediately followed the mkdir. + + * Don't BUG in fuse_iget() if multiple retries are needed to get a + good inode. This could happen if several lookups are racing for + the same inode. + +2006-09-29 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compilation on 2.6.9. Report from Troy Ayers + +2006-09-27 Miklos Szeredi <miklos@szeredi.hu> + + * Fix Oops in fuse_readpages(). Reported by David Shaw + +2006-09-24 Csaba Henk <csaba.henk@creo.hu> + + * Add support for nanosec times on FreeBSD + + * Fix FreeBSD compatibility issues + +2006-09-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix one more compatibility bug. Thanks to Ricardo Correia + + * Fix utimens compilation with uClibc. Patch from Jamie Guinan + +2006-09-22 Miklos Szeredi <miklos@szeredi.hu> + + * Fixed several compatibility bugs in low level interface. + Reported by Ricardo Correia + + * Add workaround for ARM caching bug + +2006-09-16 Miklos Szeredi <miklos@szeredi.hu> + + * Rename new utimes() method to more logical utimens() + +2006-09-14 Miklos Szeredi <miklos@szeredi.hu> + + * Fuse tried to unlink already unlinked hidden files. Bug + reported by Milan Svoboda + +2006-09-10 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-rc1 + +2006-09-10 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: Fix unlock on close for kernels < 2.6.18 + + * Add ulockmgr library & server. This can be used for handling + file locking requests either directly from libfuse or over a + network, etc. This first version is not optimized and the number + of file descriptors it uses may get out of hand + +2006-09-07 Miklos Szeredi <miklos@szeredi.hu> + + * lib: Add interrupt support to high level library, which may be + enabled with the 'intr' mount option. + + * When an operation is interrupted the thread handling that + operation will receive SIGUSR1 (or other signal specified with the + 'intr_signal=N' option). The library installs a no-op signal + handler for this signal, unless there's already a handler + installed. + + * The filesystem may query interrupt status (regardless of 'intr') + with the fuse_interrupted() function. + + * mount.fuse: initialize $HOME if not set. Report from Sven Goldt + +2006-09-03 Miklos Szeredi <miklos@szeredi.hu> + + * lib: Multithreaded loop now allows unlimited number of threads. + This is needed for locking operations which may block + indefinitely. Also the kernel now doesn't limit the number of + outstanding requests so the library shouldn't do so either. + +2006-09-01 Miklos Szeredi <miklos@szeredi.hu> + + * Fix recursive lock bug in interrupt handling + + * Add utimes() method to highlevel interface, which supports + setting times with nanosecond resolution + +2006-08-18 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix page leak if fuse_readpages() failed in it's + initialization. Bug found and original patch from Alexander + Zarochentsev + + * For linux kernels >=2.6.18 (2.6.19 if using the fuse module from + the kernel tree) the statfs method will receive the path within + the filesystem on which the stat(v)fs syscall was called + + * fusermount: try to modprobe fuse module if invoked by root and + unable to open device. This is needed with udev, since the device + node will be created only when the module is inserted, hence + module autoloading won't work. Reported by Szakacsits Szabolcs + +2006-07-30 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: if selinux is active, restore the original file's + security context in unmount_rename(). Redhat bugzilla id 188561. + Patch from Yves Perrenoud + + * Add POSIX file locking operation to high level library + + * Initialize context for unlink of hidden files on umount. Bug + reported by Tim Stoakes + +2006-07-14 Miklos Szeredi <miklos@szeredi.hu> + + * Multiple release() calls can race with each other, resulting in + the hidden file being deleted before the last release finishes. + Bug found and patch tested by Mark Huijgen + +2006-07-05 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: if /dev/fuse doesn't exist, suggest modprobing fuse; + this makes sense on systems using udev. Reported by Szakacsits + Szabolcs + +2006-06-29 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-pre3 + +2006-06-29 Miklos Szeredi <miklos@szeredi.hu> + + * Support in kernel module for file locking and interruption. The + same functionality is available in official kernels >= 2.6.18 + +2006-06-28 Miklos Szeredi <miklos@szeredi.hu> + + * Add POSIX file locking support + + * Add request interruption + +2006-06-06 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing pthread_rwlock_destroy(). Patch from Remy Blank + +2006-06-05 Remy Blank <remy.blank@pobox.com> + + * lib: canonicalize mount point in fuse_helper_opt_proc() so that + unmounting succeeds even if mount point was relative. + +2006-06-04 Csaba Henk <csaba.henk@creo.hu> + + * lib: fix emergency umount in helper.c when malloc fails. + (The way it was done would end up in a segfault.) + +2006-06-01 Csaba Henk <csaba.henk@creo.hu> + + * lib: adjust threading related compiler flags. + Switch to "-pthread" from "-lpthread" as that's the preferred + one on several platforms. Consulted with Terrence Cole and + Miklos Szeredi + +2006-05-08 Miklos Szeredi <miklos@szeredi.hu> + + * lib: search fusermount in installation directory (bindir) as + well as in PATH. + +2006-05-03 Miklos Szeredi <miklos@szeredi.hu> + + * lib: fix compilation if CLOCK_MONOTONIC is not defined. + Reported by Christian Magnusson + +2006-04-23 Csaba Henk <csaba.henk@creo.hu> + + * lib: make FreeBSD mount routine recognize if kernel features + backgrounded init and if it does, run the mount util in foreground + (similarly to Linux) + +2006-04-21 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix fput deadlock fix, the lockless solution could lead + to "VFS: busy inodes after umount..." + + * kernel: fix race between checking and setting file->private_data + for the device. Found by Al Viro + +2006-04-11 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: remove request pool, instead allocate requests on + demand. Account the number of background requests, and if they go + over a limit, block the allocation of new requests. + + * kernel: fix deadlock if backgrounded request holds the last + reference to the super block + + * kernel: don't use fuse_reset_request() during direct I/O + +2006-04-06 Csaba Henk <csaba.henk@creo.hu> + + * lib: Let FreeBSD mount option parsing routine recognize "no" + prefixes for FUSE specific options as well + +2006-04-01 Miklos Szeredi <miklos@szeredi.hu> + + * lib: Add missing rwlock initialization. Patch by Ryan Bradetich + +2006-03-17 Miklos Szeredi <miklos@szeredi.hu> + + * API changes: + + * fuse_main(), fuse_setup() and fuse_new() have an additionl + user_data parameter + + * fuse_mount() returns a 'struct fuse_chan' pointer instead of a + file descriptor + + * fuse_unmount() receives a 'struct fuse_chan' pointer. It + destroys the given channel + + * fuse_teardown() no longer has a file descriptor parameter + + * new exported functions: fuse_session_remove_chan(), + fuse_get_session(), fuse_daemonize() + + * fuse_chan_recv() may now return a new channel which will be used + to send the reply + +2006-03-16 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-pre2 + +2006-03-16 Miklos Szeredi <miklos@szeredi.hu> + + * Don't unmount if already unmounted. This fixes a problem seen + in the following situation: Lazy unmount a busy filesystem; Mount + a new one in top; When the first finally unmounts, the second also + unmounts. Reported by Franco Broi + +2006-03-15 Miklos Szeredi <miklos@szeredi.hu> + + * lowlevel lib: use indirect function calls instead of a + switch/case construct. Besides increased efficiency it helps + maintainability & readability too. Patch from Florin Malita + +2006-03-13 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: replace global spinlock with a per-connection spinlock + +2006-03-10 Miklos Szeredi <miklos@szeredi.hu> + + * Fix source compatibility breakage for fuse_unmount(). Report + from Yura Pakhuchiy + +2006-03-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix O_ASYNC handling in fuse_dev_release(). From Jeff Dike + +2006-03-01 Miklos Szeredi <miklos@szeredi.hu> + + * Add O_ASYNC and O_NONBLOCK support to FUSE device. Patch by + Jeff Dike + + * Renamed fuse_chan_receive() to fuse_chan_recv() and changed + interface to return -errno in case of error. + +2006-03-01 Csaba Henk <csaba.henk@creo.hu> + + * libfuse: pass device file descriptor to fuse_unmount(), rewrite + FreeBSD implementation so that it uses libc (sysctl backed) instead + of an embdedded script (kmem backed). Adjust the control flow of + hello_ll so that device doesn't get closed before unmount attempt. + +2006-02-25 Miklos Szeredi <miklos@szeredi.hu> + + * Lowlevel lib: return all-zero statvfs data if filesystem doesn't + implement method. This is needed on FreeBSD, and nicer on Linux + too. Highlevel lib already did this. Reported by Csaba Henk + + * Fix negative entry handling. There was a bug, that negative + lookups with timeouts (nodeid == 0) returned -EIO. + +2006-02-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix race between RELEASE and UNLINK, which might leave + .fuse_hidden* files around + +2006-02-21 Miklos Szeredi <miklos@szeredi.hu> + + * fusexmp_fh: implement flush() method and call close() on the + open file descriptor. This is needed if used on an NFS + filesystem, which buffers data until file is closed. Franco Broi + spotted the situation when 'cp -p' failed to set the modification + time because of this. + +2006-02-20 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.6.0-pre1 + +2006-02-19 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: fix use-after-free bug in interruptred reply_entry(). + Patch from John Muir + + * libfuse: fix wrong symbol versioning for fuse_mount. Debian bug + ID: 352631. Found by Stéphane Rosi + +2006-02-17 Miklos Szeredi <miklos@szeredi.hu> + + * Lowlevel lib: Unify fuse_dirent_size() and fuse_add_dirent() + into a single function fuse_add_direntry(). This cleans up the + interface and makes it possible to do stacking. + +2006-02-16 Miklos Szeredi <miklos@szeredi.hu> + + * Fix rare race betweeen abort and release caused by failed iget() + in fuse_create_open(). + + * Add 'ac_attr_timeout' option e.g. for filesystems which do their + own attribute caching. + +2006-02-15 Miklos Szeredi <miklos@szeredi.hu> + + * Work around FreeBSD runtime linker "feature" which binds an old + version of a symbol to internal references if the symbol has more + than one version. This resulted in infinite recursion in + fuse_lowlevel_new_compat25(). + +2006-02-10 Csaba Henk <csaba.henk@creo.hu> + + * Refine clock_gettime() querying so that linker options + shall be set as it's appropriate for the target platform. + +2006-02-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix udev rule syntax. Reported by Nix + +2006-02-08 Miklos Szeredi <miklos@szeredi.hu> + + * In some cases udev rule seems to be ineffective when installed + as 40-fuse.rules but work as 60-fuse.rules. Reported by John Hunt + +2006-02-03 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compilation when build directory is different from source + directory. Reported by Frédéric L. W. Meunier + +2006-02-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix even bigger bug introduced in fix for request_end() on + 2006-01-14. Reported by Gal Rosen + +2006-01-30 Miklos Szeredi <miklos@szeredi.hu> + + * highlevel-lib: add 'auto_cache' option. This caches file data + based on modification time and size + +2006-01-20 Miklos Szeredi <miklos@szeredi.hu> + + * Sanitize storage type and help message in mount_bsd.c. Patch + from Csaba Henk + + * fuse_opt: add new helper constants FUSE_OPT_KEY_KEEP and + FUSE_OPT_KEY_DISCARD + + * Add options 'max_readahead', 'sync_read' and 'async_read' + + * Kernel ABI version 7.6: + + * Negotiate the 'max_readahead' value and 'async_read' flags with + userspace in the INIT method + + * Add connection info to ->init() methods to both lowlevel and + highlevel API + + * Fall back to synchronous read() behavior if either library or + userspace filesystem is using the old interface version. This is + needed so non-updated filesystems won't be confused by the + different read() behavior + +2006-01-19 Miklos Szeredi <miklos@szeredi.hu> + + * lib: if "fsname=" option was given, pass it to fusermount + + * fuse_opt: add new fuse_opt_insert_arg() function, which is + needed by filesystems to implement some argument manipulations + correctly + + * fuse_opt: fix memory leak in handling "--" option + +2006-01-18 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix detection of case when fuse is not configured into + the kernel either as module or built-in + + * fuse_opt.h: fix incompatibility with C++ compilers by renaming + 'template' structure member to 'templ'. Reported by Takashi Iwai + + * fuse.h: fix compatibility bugs. Patch by Yura Pakhuchiy + + * kernel: support version 2.6.16 (i_sem -> i_mutex) + +2006-01-16 Miklos Szeredi <miklos@szeredi.hu> + + * Added (again) asynchronous readpages support + + * Each connection now shows up under /sys/fs/fuse/connections + + * Connection attributes exported to sysfs: 'waiting' number of + waiting requests; 'abort' abort the connection + + * Connection may be aborted through either the sysfs interface or + with 'umount -f mountpoint' + +2006-01-14 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.5.0 + +2006-01-14 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix a couple of bugs + + * Order of request_end() and fuse_copy_finish() was wrong. + Posthumous note: Franco Broi managed to exploit this, though it + seemed quite impossible + + * request_end() used request pointer after decrementing refcount + + * Clearing ->connected or ->mounted connection flags could race + with setting other bitfields not protected with a lock + +2006-01-10 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: add necessary compile flags for 2.4.X/x86_64. + Report from Sean Ziegeler + +2006-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.5.0-pre2 + +2006-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Applied patch from Csaba Henk, to update mount_bsd to new + fuse_mount() semantics + + * Ignore auto,noauto,... options in mount.fuse. Reported by Frank + Steiner and Don Taber + + * fusermount: add 'dirsync' mount option + +2006-01-07 Miklos Szeredi <miklos@szeredi.hu> + + * Improved help reporting and added version reporting to library + +2006-01-06 Miklos Szeredi <miklos@szeredi.hu> + + * Change working directory to "/" even if running in the + foreground. Patch from Jonathan Brandmeyer + + * Changed lots of functions to use 'struct fuse_args' instead of + separate argc and argv + + * Added fuse_parse_cmdline(), fuse_set_signal_handlers() and + fuse_remove_signal_handlers() functions, so that it's now pretty + easy to get all the functionality of fuse_main() with a filesystem + using the lowlevel API. + +2006-01-02 Miklos Szeredi <miklos@szeredi.hu> + + * mount.fuse: the 'user' option should be ignored. Report and + solution from Mattd. + + * mount.fuse: export PATH in the right place. Report and patch + from Hannes Schweizer + +2005-12-16 Miklos Szeredi <miklos@szeredi.hu> + + * Clean up the option parsing interface slightly, by creating an + "argument list" structure, that contains the argument vector and + count + +2005-12-15 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: check if /mnt/mtab is a symlink and don't modify it + in that case + + * kernel: simplify request size limiting. INIT only contains + maximum write size, maximum path component size remains fixed at + 1024 bytes, and maximum xattr size depends on read buffer. + +2005-12-14 Miklos Szeredi <miklos@szeredi.hu> + + * Fix readdir() failure on x86_64, of 32bit programs compiled + without largefile support. Bug report and help from Anthony + Kolasny + + * If lookup returns invalid mode, return -EIO instead of creating + a regular file + + * Add current output argument vector to option processing + function + +2005-12-12 Miklos Szeredi <miklos@szeredi.hu> + + * Fix stale code in ifdef FreeBSD. Patch from Csaba Henk + +2005-12-09 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.5.0-pre1 + +2005-12-09 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: added option parsing interface, defined in + <fuse_opt.h>. + +2005-12-07 Miklos Szeredi <miklos@szeredi.hu> + + * Return EIO for file operations (read, write, fsync, flush) on + open files whose inode has become "bad". Inodes will be marked + "bad" if their type changes. Bug report by Csaba Henk + +2005-12-06 Miklos Szeredi <miklos@szeredi.hu> + + * Use bigger request buffer size. write() did not work on archs + with > 4k page size, Bug report by Mark Haney + + * ABI version 7.5: + + * Extend INIT reply with data size limits + +2005-12-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix memory leak in fuse_read_cmd()/fuse_process_cmd(). Bug + reported by Vincenzo Ciancia + + * Handle exit-by-umount in fuse_read_cmd() + +2005-11-29 Miklos Szeredi <miklos@szeredi.hu> + + * Check if '-msoft-float' option is supported by compiler when + configuring for a 2.4.x kernel. Bug report by Mark Haney + + * In multithreaded loop send a TERM signal to the main thread if + one of the other threads exit. Needed on FreeBSD for a clean exit + on umount. Should not cause any harm on Linux either + +2005-11-28 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in 32-bit file handle compatibility + +2005-11-27 Miklos Szeredi <miklos@szeredi.hu> + + * Block TERM, INT, HUP and QUIT signals in all but the main + thread. According to POSIX it's not specified which thread will + receive these signals. + + * Kernel changes: + + * Check for directory aliasing on mkdir, not just on lookup + + * Check for special node ID values in create+open operation + + * Sync with -mm: readv, writev, aio_read and aio_write methods + added to file operations + + * Cleanups: lookup code, page offset calculation + + * ABI stepped to 7.4, changes: + + * frsize member added to fuse_kstatfs structure + + * added support for negative entry caching: on lowlevel API if + fuse_entry_param::ino is set to zero in reply to a lookup request, + the kernel will cache the dentry for the specified amount of time. + + * libfuse: added 'negative_timeout' option: specifies how much + negative entries should be cached. Default is zero, to be + compatible with prior versions + +2005-11-22 Miklos Szeredi <miklos@szeredi.hu> + + * Add detection of mainline FUSE code in running kernel + +2005-11-21 Miklos Szeredi <miklos@szeredi.hu> + + * Don't use async cancelation in multithreaded loop. This makes + it more portable to systems where read() is not async cancel safe. + Report from Andriy Gapon + +2005-11-20 Miklos Szeredi <miklos@szeredi.hu> + + * Warn if API version 11 compatibility is requested + +2005-11-17 Miklos Szeredi <miklos@szeredi.hu> + + * More FreeBSD merge + + * fusermount: don't allow mountpoints with '\n', '\t', or '\\' in + them, because it corrupts /etc/mtab. Found by Thomas Biege + CVE-2005-3531 + + * libfuse: don't use system() to invoke 'fusermount -u ...' + because it breaks mountpoints with spaces in them into multiple + arguments + +2005-11-16 Miklos Szeredi <miklos@szeredi.hu> + + * Merge library part of FreeBSD port. Patch by Csaba Henk + +2005-11-11 Miklos Szeredi <miklos@szeredi.hu> + + * Use 64bit type for file handle, so the full range supported by + the kernel interface is available to applications + +2005-11-10 Miklos Szeredi <miklos@szeredi.hu> + + * Moved mountpoint argument checking from fuse_parse_cmdline() to + fuse_mount() in preparation to FreeBSD merge. + +2005-11-08 Miklos Szeredi <miklos@szeredi.hu> + + * Remove unneeded close() from fuse_teardown(). Spotted by Csaba + Henk. + +2005-11-07 Miklos Szeredi <miklos@szeredi.hu> + + * Make the statfs change backwards compatible. + +2005-11-06 Miklos Szeredi <miklos@szeredi.hu> + + * Change ->statfs() method to use 'struct statvfs' instead of + 'struct statfs'. This makes the API more portable since statvfs() + is defined by POSIX. + +2005-10-28 Miklos Szeredi <miklos@szeredi.hu> + + * Add fgetattr() method, which currently will only be called after + a successful call to a create() method. + +2005-10-26 Miklos Szeredi <miklos@szeredi.hu> + + * Change kernel ABI version to 7.3 + + * Add ACCESS operation. This is called from the access() system + call if 'default_permissions' mount option is not given, and is + not called on kernels 2.4.* + + * Add atomic CREATE+OPEN operation. This will only work with + 2.6.15 (presumably) or later Linux kernels. + + * Add ftruncate() method. This will only work with 2.6.15 + (presumably) or later Linux kernels. + + * Fix kernel module compile if kernel source and build directories + differ. Report and initial patch by John Eastman + +2005-10-18 Miklos Szeredi <miklos@szeredi.hu> + + * lib: optimize buffer reallocation in fill_dir. + +2005-10-17 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.4.1 + +2005-10-14 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: add debug for write result (by Shaun Jackman) and + warnings for too large read/write result + +2005-10-11 Miklos Szeredi <miklos@szeredi.hu> + + * Spelling fixes, thanks to Ioannis Barkas + +2005-10-10 Miklos Szeredi <miklos@szeredi.hu> + + * fuse_common.h: use extern "C". Thanks to Valient Gough for the + patch + +2005-10-07 Miklos Szeredi <miklos@szeredi.hu> + + * highlevel-lib: init() and destroy() methods didn't have an + initialized fuse_context. Bug reported by Tim Stoakes + +2005-10-04 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.4.0 + +2005-10-03 Miklos Szeredi <miklos@szeredi.hu> + + * Add documentation to fuse_lowlevel.h + + * API cleanups: + + * Remove definitions of unused FATTR_CTIME / FUSE_SET_ATTR_CTIME + + * Move fuse_mount() and fuse_unmount() to fuse_common.h + + * Change the return type of fuse_reply_none() from int to void. + +2005-09-30 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: NFS exporting leaked dentries. Bug found and fixed by + Akshat Aranya. + +2005-09-29 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: fix error message, when unable to open /dev/fuse. + Report by Balázs Pozsár + +2005-09-28 Miklos Szeredi <miklos@szeredi.hu> + + * UClibc fixes from Christian Magnusson + +2005-09-27 Miklos Szeredi <miklos@szeredi.hu> + + * Added NAME="%k" to util/udev.rules. Fix by Mattias Wadman. + +2005-09-26 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.4.0-rc1 + +2005-09-26 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: allow user umount in the case when /etc/mtab is a + symlink to /proc/mounts. Reported by Balázs Pozsár. + +2005-09-23 Miklos Szeredi <miklos@szeredi.hu> + + * Check for special node ID values in lookup and creation + +2005-09-22 Miklos Szeredi <miklos@szeredi.hu> + + * Slight optimization in returning EINVAL error in case of an open + with O_DIRECT flag. + +2005-09-20 Miklos Szeredi <miklos@szeredi.hu> + + * Remove '--enable-auto-modprobe' configure flag. Module + auto-loading is now handled by the kernel. + +2005-09-15 Miklos Szeredi <miklos@szeredi.hu> + + * Install UDEV rule file, so /dev/fuse is created with mode 0666. + Help from Jens M. Noedler. + +2005-09-14 Miklos Szeredi <miklos@szeredi.hu> + + * Add memory cleanup on thread exit + +2005-09-13 Miklos Szeredi <miklos@szeredi.hu> + + * Set umask to zero in fusexmp and fusexmp_fh, so that + files/directories are created with the requested mode. + +2005-09-12 Miklos Szeredi <miklos@szeredi.hu> + + * Don't ignore read error in multithreaded loop + +2005-09-08 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.4.0-pre2 + +2005-09-08 Miklos Szeredi <miklos@szeredi.hu> + + * Revert lock and access operations. Postpone these until 2.5. + +2005-09-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compile warning on 2.6.13 and later + + * Fix compilation on old kernels + +2005-08-19 Miklos Szeredi <miklos@szeredi.hu> + + * lib: always refresh directory contents after rewinddir() to + conform to SUS. Bug found by John Muir. + +2005-08-15 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.4.0-pre1 + +2005-08-14 Miklos Szeredi <miklos@szeredi.hu> + + * lib: cleaned up (or messed up, depending on your POV) the low + level library API. Hopefully this is close to the final form. + +2005-08-05 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: don't allow empty mountpoint argument, which defeats + automatic umounting in fuse_main(). Bugreport by Václav Jůza + +2005-08-03 Miklos Szeredi <miklos@szeredi.hu> + + * fix warnings in fuse.h and fuse_lowlevel.h if -Wshadow compiler + option is used (Paul Alfille). + +2005-08-02 Miklos Szeredi <miklos@szeredi.hu> + + * highlevel-lib: added mount options "attr_timeout" and + "entry_timeout". These options control the length of time file + attributes and entries (names) are cached. Both default to 1.0 + second. + + * kernel: correctly handle zero timeout for attributes and entries + +2005-08-01 Miklos Szeredi <miklos@szeredi.hu> + + * Added missing symbols to versionscript (Joshua J. Berry) + + * kernel: implement two flags, open can set: 'direct_io' and + 'keep_cache'. These correspond exactly to mount options + 'direct_io' and 'kernel_cache', but allow a per-open setting. + + * Move 'direct_io' and 'kernel_cache' mount option handling to + userspace. For both mount options, if the option is given, then + the respective open flag is set, otherwise the open flag is left + unmodified (so the filesystem can set it). + + * lib (highlevel): make open method optional + +2005-07-28 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: invalidate attributes for read/readdir/readlink + operations + + * kernel: detect newer UML kernels + +2005-07-26 Miklos Szeredi <miklos@szeredi.hu> + + * Make the installation path of fuse.ko and mount.fuse + configurable through INSTALL_MOD_PATH and MOUNT_FUSE_PATH + environment variables. Requirement and help from Csaba Henk. + +2005-07-22 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug, that causes filesystem requests to hang when unique + request counter becomes negative. This happens after + 2,147,483,648 operations, so most people won't care. Thanks to + Franco Broi for the report and testing. + +2005-07-21 Miklos Szeredi <miklos@szeredi.hu> + + * Don't change mtime/ctime/atime to local time on read/write. + Bug reported by Ben Grimm + + * Install fuse_common.h and fuse_lowlevel.h. Report by Christian + Magnusson + + * fusermount: use getopt_long() for option parsing. It allows the + use of '--' to stop argument scanning, so fusermount can now + operate on directories whose names begin with a '-'. Patch by + Adam Connell + +2005-07-15 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: add '-v', '--version' and '--help' options + + * add inode based API + +2005-07-12 Miklos Szeredi <miklos@szeredi.hu> + + * lib: don't block signals in worker threads. Problem noticed by + Usarin Heininga + +2005-07-07 Miklos Szeredi <miklos@szeredi.hu> + + * lib: don't allow both 'allow_other' and 'allow_root' options to + be given + +2005-07-06 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: check if mountpoint is empty (only '.' and '..' for + directories, and size = 0 for regular files). If "nonempty" + option is given, omit this check. This is useful, so users don't + accidentally hide data (e.g. from backup programs). Thanks to + Frank van Maarseveen for pointing this out. + + * kernel: check if mandatory mount options ('fd', 'rootmode', + 'user_id', 'group_id') are all given + + * lib: simplify 'readdir_ino' handling + + * lib: add mount options 'umask=M', 'uid=N', 'gid=N' + +2005-07-03 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: clean up 'direct_io' code + +2005-06-28 Miklos Szeredi <miklos@szeredi.hu> + + * Add 'mount.fuse' written by Petr Klima + + * '/dev/fuse' is created by 'make install' if does not yet exist + +2005-06-20 Miklos Szeredi <miklos@szeredi.hu> + + * Fix UCLIBC compile error. Patch by Christian Magnusson + +2005-06-08 Miklos Szeredi <miklos@szeredi.hu> + + * Enable the auto-loading of the module via access to the + corresponding device file. Patch by Takashi Iwai. + + * Allow mounting a regular file (over a regular file) for + unprivleged users. + + * Do not create temporary device file. Require "/dev/fuse" to + exist, and be readable/writable by the mounting user. + +2005-06-02 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3.0 + +2005-06-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix serious information leak: if the filesystem returns a short + byte count to a read request, and there are non-zero number of + pages which are not filled at all, these pages will not be zeroed. + Hence the user can read out previous memory contents. Found by + Sven Tantau. + +2005-05-27 Miklos Szeredi <miklos@szeredi.hu> + + * Add "readdir_ino" mount option, which tries to fill in the d_ino + field in struct dirent. This mount option is ignored if "use_ino" + is used. It helps some programs (e.g. 'pwd' used over NFS from a + non-Linux OS). Patch by David Shaw. + +2005-05-12 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-rc1 + +2005-05-12 Miklos Szeredi <miklos@szeredi.hu> + + * File save in krusader and other editors doesn't work with sshfs, + because open() is interrupted by a periodic signal, and open() + restarts forever, without any progress. This could just be fixed + in open(), but the problem is more generic: if signals are + received more often than the filesystem can get the request to + userspace, it will never finish. This is probably only a + theoretical problem, nevertheless I'm removing the possibility to + interrupt requests with anything other than SIGKILL, even before + being sent to userspace. Bugreport by Eduard Czimbalmos. + +2005-05-09 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: add "tree_lock" rwlock, that is locked for write in + rename, unlink and rmdir, and locked for read in all other + operations. This should fix the rename/release race reported by + Valient Gough and others. The solution is very coarse, a finer + grained locking scheme could be implemented, but it would be much + more complex. Let's see whether this is good enough. + +2005-05-09 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre7 + +2005-05-08 Miklos Szeredi <miklos@szeredi.hu> + + * Better fix for out of order FORGET messages. Now the + LOOKUP/FORGET messages are balanced exactly (one FORGET can + balance many lookups), so the order no longer matters. This + changes the kernel ABI slightly, but the library remains backward + compatible. + +2005-05-06 Miklos Szeredi <miklos@szeredi.hu> + + * Fix abort for out of order FORGET messages. Again. Spotted by + Franco Broi again. Sorry :) + +2005-04-29 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre6 + +2005-04-29 Miklos Szeredi <miklos@szeredi.hu> + + * Make fusermount work with fuse kernel modules not yet supporting + the "group_id" option (added for the purpose of stricter + permission checking). + +2005-04-28 Miklos Szeredi <miklos@szeredi.hu> + + * Check for hard-linked directories in lookup. This could cause + problems in the VFS, which assumes that such objects never exist. + + * Make checking of permission for other users more strict. Now + the same privilege is required for the mount owner as for ptrace + on the process performing the filesystem operation. + +2005-04-23 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre5 + +2005-04-22 Miklos Szeredi <miklos@szeredi.hu> + + * Add -msoft-float to kernel module compile flags for 2.4.X. This + is needed on certain architectures. Report from Chris Kirby + + * Fix buggy behavior of open(..., O_CREAT|O_EXCL) if interrupted. + Reported by David Shaw + + * Remove "allow_root" option from kernel module, and implement + it's functionality in the library + + * Fix Oops caused by premature release of fuse_conn. Clean up + related code, to be more readable + + * Sendfile should not use page cache if "direct_io" mount option + is given + +2005-04-08 Miklos Szeredi <miklos@szeredi.hu> + + * Fix Oops in case of nfs export. Spotted by David Shaw + + * Fix another Oops in case of write over nfs with direct_io turned + on. Again spotted by David Shaw + +2005-04-07 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre4 + +2005-04-07 Miklos Szeredi <miklos@szeredi.hu> + + * lib: finalized new readdir() interface, which now supersedes the + getdir() method. + +2005-04-03 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre3 + +2005-04-03 Miklos Szeredi <miklos@szeredi.hu> + + * Implement backward compatibility with version 5 kernel ABI + +2005-04-01 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre2 + +2005-04-01 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix dirent offset handling + + * lib: add readdir and releasedir methods + + * lib: use fh field of fuse_file_info in opendir, readdir, + releasedir and fsyncdir methods + + * lib: check kernel API version and bail out of it's old. This + will be properly fixed in the next release + +2005-03-31 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.3-pre1 + +2005-03-31 Miklos Szeredi <miklos@szeredi.hu> + + * kernel API: add padding to structures, so 64bit and 32bit + compiler will return the same size + + * kernel API: add offset field to fuse_dirent. This will allow + more sophisticated readdir interface for userspace + + * kernel API: change major number to 6 + + * kernel: fix warnings on 64bit archs + + * kernel: in case of API version mismatch, return ECONNREFUSED + +2005-03-24 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: trivial cleanups + +2005-03-21 Miklos Szeredi <miklos@szeredi.hu> + + * Add fsyncdir() operation + +2005-03-19 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: add locking to background list (fixes previous fix) + +2005-03-18 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix bug which could cause leave busy inodes after + unmount, and Oops. + +2005-03-08 Miklos Szeredi <miklos@szeredi.hu> + + * examples: add -lpthread to link flags to work around valgrind + quirk + + * lib: don't exit threads, so cancelation doesn't cause segfault + +2005-03-04 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: fix nasty bug which could cause an Oops under certain + situations. Found by Magnus Johansson + +2005-02-28 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: added opendir() method. This can be used in case + permission checking in getdir() is too late. Thanks to Usarin + Heininga for pointing out this deficiency + + * libfuse: added init() and destroy() methods to fuse_operations + + * kernel: llseek() method for files and directories made explicit + + * kernel: fixed inode leak in NFS export in case of nodeid + wrapping + +2005-02-15 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse: clean up some unitialized memory found with valgrind + + * Add -lpthread to Libs in fuse.pc. Valgrind seems to need an + explicitly linked libpthread for applications + +2005-02-10 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: set umask, otherwise /etc/mtab will have + unpredictable permission. Spotted by Jindrich Kolorenc + + * fusermount: set owner and group of /etc/mtab to original values + on unmount + + * libfuse: add 'use_ino' option to help. Patch by Valient Gough + +2005-02-07 Miklos Szeredi <miklos@szeredi.hu> + + * Cleaned up directory reading (temporary file is not used) + +2005-02-02 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2 + +2005-02-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix possible race when operation is interrupted + +2005-01-28 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compilation on 2.6.7 + +2005-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre6 + +2005-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in link() operation which caused the wrong path to be + passed as the first argument. Found by Anton Altaparmakov + +2005-01-21 Miklos Szeredi <miklos@szeredi.hu> + + * LIB: fix double reply in readdir operation + + * fusermount: fix uid checking bug. Patch by Adam Connell + + * KERNEL: fix compile on various RedHat patched 2.4 kernels. + Patch by Keshava Gowda + +2005-01-20 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL: provide correct llseek semantics for fuse device (fixes + a bug on Progeny 2.4.20 kernel). Reported by Valient Gough + +2005-01-20 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre5 (matches kernel 2.6.11-rc1-mm2) + +2005-01-18 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL ABI: remove GETDIR operation, and add OPENDIR, READDIR + and RELEASEDIR. This ends the ugly hack of passing a file + descriptor to the kernel, and actually makes the code simpler. + +2005-01-17 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre4 + +2005-01-17 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: remove capability setting, which was the cause of + problems for some users. It seems that FS related capabilities + are removed by setfsuid(), so this isn't even needed. + +2005-01-15 Miklos Szeredi <miklos@szeredi.hu> + + * fix compilation on 2.4 kernels (reported by Valient Gough) + + * fix failure to unmount bug (found by David Shaw) + + * fusermount: improve parsing of /etc/fuse.conf + +2005-01-13 Miklos Szeredi <miklos@szeredi.hu> + + * Remove 'mount_max' and 'user_allow_other' module options. These + are now checked by fusermount, and can be set in /etc/fuse.conf + + * KERNEL: change check for fsid == 0 to capable(CAP_DAC_OVERRIDE) + +2005-01-11 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL: fix possible inode allocation problem, where + sizeof(struct inode) is not aligned (found by Mike Waychison) + + * KERNEL: use new follow_link/put_link methods + + * KERNEL: cosmetic fixes + +2005-01-10 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre3 + +2005-01-10 Miklos Szeredi <miklos@szeredi.hu> + + * Add missing code that was accidently left out + +2005-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre2 + +2005-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Change "uid" mount option to "user_id" to avoid confusion with a + mount option "uid" commonly used by many filesystems + +2005-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.2-pre1 + +2005-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * If FUSE is configured in the kernel, don't build it by default + +2005-01-07 Miklos Szeredi <miklos@szeredi.hu> + + * Compile fix by Christian Magnusson + +2005-01-05 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compilation for 2.6.{0-5} kernels + +2005-01-04 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL: if request is interrupted, still keep reference to used + inode(s) and file, so that FORGET and RELEASE are not sent until + userspace finishes the request. + + * remove /{sys,proc}/fs/fuse/version, and instead add an INIT + request with the same information, which is more flexible, + simpler, works on embedded systems. + +2004-12-16 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL ABI: update interface to make it independent of type + sizes. This will help on 64 bit architectures which can run + legacy 32 bit applications. + + * KERNEL ABI: add "len" field to request headers. This will allow + sending/receiving requests in multiple chunks. + + * KERNEL: handle file type change more intelligently + + * LIB: "-o debug" option should disable backgrounding (fix by + Fabien Reygrobellet) + +2004-12-13 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL: invalidate dentry/attributes if interrupted request + could leave filesystem in an unknown state. + +2004-12-12 Miklos Szeredi <miklos@szeredi.hu> + + * KERNEL: lots of cleanups related to avoiding possible deadlocks. + These will cause some regressions, but stability is considered + more important. If any of these features turns out to be + important, it can be readded with the deadlock problems addressed. + + * Make all requests interruptible (only with SIGKILL currently). + This can be used to break any deadlock produced by the userspace + filesystem accessing it's own exported files. The RELEASE request + is special, because if it's interrupted before sending it to + userspace it is still sent, but the reply is not awaited. + + * If request is interrupted before being sent to userspace, and if + it hasn't yet got any side effects, it is always restarted, + regardless of the SA_RESTART flag. This makes these interruptions + transparent to the process. + + * Remove shared-writable mmap support, which was prone to an + out-of-memory deadlock situation + + * Remove INVALIDATE userspace initiated request + + * Make readpages() synchronous. Asynchronous requests are + deadlock prone, since they cannot be interrupted. + + * Add readv/writev support to fuse device operations + + * Remove some printks, which userspace FS can use for a DoS + against syslog + + * Remove 'large_read' mount option from 2.6 in kernel, check it in + fusermount instead + + * LIB: improve compatibility with a fuse.h header installed in + ${prefix}/include which in turn includes the real header. + + * LIB: improve compatibility by defining fuse_main() (which is now + not used), so old configure scripts find it. + +2004-12-10 Miklos Szeredi <miklos@szeredi.hu> + + * When mounting on a subdirectory of / don't duplicate slashes at + the beggining of path (spotted by David Shaw) + +2004-12-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug causing garbage in mount options (spotted by David Shaw) + +2004-12-07 Miklos Szeredi <miklos@szeredi.hu> + + * Add 'writepage' flag to 'fuse_file_info'. + + * More comments in fuse.h + + * Get rid of double underscores + +2004-12-04 Miklos Szeredi <miklos@szeredi.hu> + + * Add -D_FILE_OFFSET_BITS=64 to cflags provided by pkg-config + + * helper.c: add -ho option, which only displays the options not + the usage header. This can be used by filesystems which have + their own options. + +2004-12-03 Miklos Szeredi <miklos@szeredi.hu> + + * Add source compatibility to 2.1 and 1.1 APIs. To select betwen + versions simply define FUSE_USE_VERSION to 22, 21 or 11 before + including the fuse header + + * Add binary compatibility to 2.1 version of library with symbol + versioning + +2004-12-03 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.1 + +2004-12-01 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: clean up writing functions + + * kernel: no allocation on write in direct_io mode + + * move linux/fuse.h to fuse_kernel.h + +2004-11-30 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: clean up reading functions + +2004-11-29 Miklos Szeredi <miklos@szeredi.hu> + + * kernel: make readpage() uninterruptible + + * kernel: check readonly filesystem flag in fuse_permission + + * lib: don't die if version file not found and new style device + exists + + * lib: add '-r' option, which is short for '-o ro' + + * fusermount: simplify device opening + + * kernel: when direct_io is turend on, copy data directly to + destination without itermediate buffer. More efficient and safer, + since no allocation is done. + + * fusermount: fix warning if fuse module is not loaded + + * kernel: use /dev/fuse on 2.4 too + +2004-11-26 Miklos Szeredi <miklos@szeredi.hu> + + * libfuse API change: open, read, write, flush, fsync and release + are passed a 'struct fuse_file_info' pointer containing the open + flags (open and release), and the file handle. Verion changed to + 3.0. + +2004-11-23 Miklos Szeredi <miklos@szeredi.hu> + + * More cleanups in the kernel + + * The 10,229 charater device number has been assigned for FUSE + + * Version file checking fix (reported by Christian Magnusson) + + * fusermount: opening the fuse device now doesn't need /sys. + + * Optimize reading by controlling the maximum readahead based on + the 'max_read' mount option + + * fixes for UCLIBC (Christian Magnusson) + +2004-11-19 Miklos Szeredi <miklos@szeredi.hu> + + * Cleaned up kernel in preparation for merge into mainline: + + * Use /sys/fs/fuse/version instead of /proc/fs/fuse/version + + * Use real device (/dev/fuse) instead of /proc/fs/fuse/dev + + * __user annotations for sparse + + * allocate individual pages instead of kmalloc in fuse_readdir, + fuse_read and fuse_write. + + * Fix NFS export in case "use_ino" mount option is given + + * Make libfuse and fusermount compatible with future versions + + * fusermount: properly add mount options to /etc/mtab + +2004-11-15 Miklos Szeredi <miklos@szeredi.hu> + + * fusermount: do not resolve last component of mountpoint on if it + is '.' or '..'. This new path resolvation is now done on mount as + well as unmount. This enables relative paths to work on unmount. + + * fusermount: parse common mount options like "ro", "rw", etc... + + * Allow module params to be changed through sysfs + +2004-11-14 Miklos Szeredi <miklos@szeredi.hu> + + * Released 2.1-pre1 + +2004-11-14 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in fuse_readpages() causing Oops in certain situations. + Bug found by Vincenzo Ciancia. + + * Fix compilation with kernels versions > 2.6.9. + +2004-11-11 Miklos Szeredi <miklos@szeredi.hu> + + * Check kernel interface version in fusermount to prevent + strangeness in case of mismatch. + + * No need to allocate fuse_conn until actual mount happens + + * Fix potential race between umount and fuse_invalidate + + * Check superblock of proc file in addition to inode number + + * Fix race between request_send_noreply() and fuse_dev_release() + +2004-11-10 Miklos Szeredi <miklos@szeredi.hu> + + * Separate configure for the kernel directory + + * Don't allow write to return more than 'count' + + * Extend kernel interface for future use + +2004-11-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix 'makeconf.sh' to use autoreconf if available + +2004-11-08 Miklos Szeredi <miklos@szeredi.hu> + + * Add ino argument to 'fuse_dirfil_t'. NOTE: This breaks source + compatibility with earlier versions. To compile earier versions + just add '-DFUSE_DIRFIL_COMPAT' compile flag or fix the source. + Do not use the "use_ino" mount flag with filesystems compiled with + FUSE_DIRFIL_COMPAT. + + * Add pkg-config support. To compile a FUSE based filesystem you + can do "gcc -Wall `pkg-config --cflags --libs fuse` myfs.c -o myfs" + or similar. Note, that the PKG_CONFIG_PATH environment variable + usually needs to be set to "/usr/local/lib/pkgconfig". + + * fuse.h is now installed in ${prefix}/include/fuse/ + +2004-11-02 Miklos Szeredi <miklos@szeredi.hu> + + * Added "use_ino" mount option. This enables the filesystems to + set the st_ino field on files + +2004-11-01 Miklos Szeredi <miklos@szeredi.hu> + + * Fix compile problems with ancient (<=2.4.18) kernels (reported + by Jeremy Smith) + + * Add "allow_root" mount option. Patch by Yaroslav Rastrigin + + * Clear the 'exited' flag when mail loop is finished + +2004-10-28 Miklos Szeredi <miklos@szeredi.hu> + + * Make xattr functions work under 2.6 (bug found by Vincenzo + Ciancia) + +2004-10-26 Miklos Szeredi <miklos@szeredi.hu> + + * Reset request in fuse_flush() (bugreport by David Shaw) + +2004-10-21 Miklos Szeredi <miklos@szeredi.hu> + + * fuse_main() now does not exit on error, rather it returns an + error code + + * Exported __fuse_setup() and __fuse_teardown() functions, which + make it easier to implement a custom event loop. + + * Use daemon() call to background the filesystem after mounting. + This function closes the standard input, output and error and + changes the current working directory to "/". + +2004-10-14 Miklos Szeredi <miklos@szeredi.hu> + + * Released 1.9 + +2004-10-09 Miklos Szeredi <miklos@szeredi.hu> + + * Don't allow fuse_flush() to be interrupted (bug found by David + Shaw) + +2004-09-27 Miklos Szeredi <miklos@szeredi.hu> + + * Add PID to fuse_context. Patch by Steven James + + * Change file handle type to 'unsigned long' in kernel interface + +2004-09-22 Miklos Szeredi <miklos@szeredi.hu> + + * A slight API change: fuse_get_context() doesn't need the "fuse" + pointer, but the returned context contains it instead. The + fuse_get() function is not needed anymore, so it's removed. + + * Fix mounting and umounting FUSE filesystem under another FUSE + filesystem by non-root (bug spotted by Valient Gough) + +2004-09-21 Miklos Szeredi <miklos@szeredi.hu> + + * Fix deadlock in case of memory allocation failure. Patch by + Christian Magnusson + +2004-09-16 Miklos Szeredi <miklos@szeredi.hu> + + * Check memory allocation failures in libfuse + +2004-09-14 Miklos Szeredi <miklos@szeredi.hu> + + * Check temporary file creation failure in do_getdir(). Bug + spotted by Terje Oseberg + +2004-09-13 Miklos Szeredi <miklos@szeredi.hu> + + * Allow "large_read" option for 2.6 kernels but warn of deprecation + + * Make requests non-interruptible so race with FORGET is avoided. + This is only a temporary solution + + * Support compiling FUSE kernel module on 2.4.x UML kernels + +2004-09-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in case two FORGETs for the same node are executed in + the wrong order. Bug spotted and endured for months by Franco + Broi, and logfile for solution provided by Terje Oseberg + +2004-09-01 Miklos Szeredi <miklos@szeredi.hu> + + * Add -D_REENTRANT to the compile flags + + * Add documentation of fuse internals by Terje Oseberg + +2004-08-16 Miklos Szeredi <miklos@szeredi.hu> + + * Change release method to be non-interruptible. Fixes bug + causing missing release() call when program which has opened files + is killed (reported by Franco Broi and David Shaw) + +2004-07-29 Miklos Szeredi <miklos@szeredi.hu> + + * Add fuse_invalidate() to library API + +2004-07-26 Miklos Szeredi <miklos@szeredi.hu> + + * Check permissions in setattr if 'default_permissions' flag is + set. Bug spotted by Damjan Lango + +2004-07-24 Miklos Szeredi <miklos@szeredi.hu> + + * 'large_read' mount option removed for 2.6 kernels, since the + default (dynamic read size) is better + + * Extend kernel API with file handles. A file handle is returned + by open, and passed to read, write, flush, fsync and release. + This is currently only used for debug output in the library. + + * Security changes: + + * Change the current directory to the mountpoint before checking + the permissions and mount filesystem on "." + + * By default don't modprobe the fuse module for non-root. The old + behavior can be restored with the '--enable-auto-modprobe' flag of + ./configure + + * By default don't allow shared writable mappings for non-root. + The old behavior can be restored with the 'user_mmap=1' module + parameter + +2004-07-23 Miklos Szeredi <miklos@szeredi.hu> + + * Clean up mount option passing to fusermount and to fuse_new() + BEWARE: this changes the userspace API slightly, and the command + line usage of programs using fuse_main() + +2004-07-20 Miklos Szeredi <miklos@szeredi.hu> + + * Optimize reading under 2.6 kernels by issuing multiple page + asynchronous read requests + +2004-07-18 Miklos Szeredi <miklos@szeredi.hu> + + * Only use redirty_page_for_writepage() for kernels >= 2.6.6 + +2004-07-16 Miklos Szeredi <miklos@szeredi.hu> + + * Separate directory entry and inode attribute validity timer + + * New write semaphore to stop page writeback during truncate + + * Fsync now waits for all writes to complete before sending the + request + + * Optimization: if a page is completely written by + fuse_commit_write(), clear the dirty flag and set the uptodate + flag for that page + + * Some memory cleanup at exit + +2004-07-13 Miklos Szeredi <miklos@szeredi.hu> + + * Add FUSE_HARD_REMOVE flag, and '-i' option to fuse main, which + disable the "hide if open" behavior of unlink/rename. + + * If temporary buffer allocation fails in raw read, fall back to a + smaller buffer + +2004-07-12 Miklos Szeredi <miklos@szeredi.hu> + + * Fix bug in do_open() in libfuse: open count was incremented + after the reply is sent so it could race with unlink/forget and + cause an abort. + +2004-07-08 Miklos Szeredi <miklos@szeredi.hu> + + * When performing create or remove operation, refresh the parent's + attributes on next revalidate, as i_nlink (and maybe size/time) + could be inacurate. + + * Use redirty_page_for_writepage() in fuse_writepage() for skipped + pages (2.6 only) + + * Set set_page_dirty address space operation (2.6 only) + +2004-07-06 Miklos Szeredi <miklos@szeredi.hu> + + * Minor fix in read: print debug info even if read size is zero + +2004-07-04 Miklos Szeredi <miklos@szeredi.hu> + + * Fix race between truncate and writepage (fsx-linux now runs + without error) + +2004-07-02 Miklos Szeredi <miklos@szeredi.hu> + + * Fix kernel hang on mkfifo under 2.4 kernels (spotted and patch + by Mattias Wadman) + + * Added option for direct read/write (-r) + + * Fix revalidate time setting for newly created inodes + + * Remove uid==0 check for '-x' option in fusermount (kernel checks + this) + + * fuse_main() only installs handlers for signals (out of INT, HUP, + TERM, PIPE), for which no handler has yet been installed + + * Add module option 'user_allow_other' which if set to non-zero + will allow non root user to specify the 'allow_other' mount option + ('-x' option of fusermount) + + * Fix deadlock between page writeback completion and truncate + (bug found by Valient Gough with the fsx-linux utility) + +2004-07-01 Miklos Szeredi <miklos@szeredi.hu> + + * Change passing fuse include dir to 2.6 kernel make system more + robust (fixes compile problems seen on SuSE 9.1 with updated 2.6 + kernel) + +2004-06-30 Miklos Szeredi <miklos@szeredi.hu> + + * Acquire inode->i_sem before open and release methods to prevent + concurrent rename or unlink operations. + + * Make __fuse_read_cmd() read only one command. This allows + multiplexing the fuse file descriptor with other event sources + using select() or poll() (patch by Jeff Harris) + + * Export 'exited' flag with __fuse_exited() (patch by Jeff Harris) + +2004-06-27 Miklos Szeredi <miklos@szeredi.hu> + + * Fix file offset wrap around at 4G when doing large reads + +2004-06-24 Miklos Szeredi <miklos@szeredi.hu> + + * Fix memory leak in open (Valient Gough) + +2004-06-24 Miklos Szeredi <miklos@szeredi.hu> + + * Add "close after delete" support to libfuse (patch by Valient + Gough) + + * Cancel all worker threads before exit in multithreaded mode + +2004-06-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix locking bugs + + * Don't send reply to RELEASE + + * Work with newer libtool (1.5a) + + * Check for st_atim member of struct stat + +2004-06-22 Miklos Szeredi <miklos@szeredi.hu> + + * No request allocation needed on inode and file release + +2004-06-21 Miklos Szeredi <miklos@szeredi.hu> + + * Fix possible inode leak in userspace in case of unfinished + lookup/mknod/mkdir/symlink/link operation. + +2004-06-20 Miklos Szeredi <miklos@szeredi.hu> + + * Fix some races and cleanups in fuse_read_super() + +2004-06-19 Miklos Szeredi <miklos@szeredi.hu> + + * Requests are allocated at open time + +2004-06-03 Miklos Szeredi <miklos@szeredi.hu> + + * Build shared library as well as static (using libtool) + + * Change FUSE_MINOR_VERSION from 1 to 0. I know it's illegal but + there has not been a release with the previous minor number, and I + hope nobody is using it for anything. + + * Change fuse_main(), so that default behavior is to go into + background if mount is successful. '-f' and '-d' options disable + backgrounding. This fixes the "Why does my FUSE daemon hang?" + newbie complaint. + + * Cache ENOSYS (function not implemented) errors on *xattr, flush + and fsync + + * Don't call getdir method from open() only from first readdir(). + Open is sometimes just used to store the current directory + (e.g. find) + +2004-05-18 Miklos Szeredi <miklos@szeredi.hu> + + * Added flush() call + +2004-05-04 Miklos Szeredi <miklos@szeredi.hu> + + * Extended attributes support for 2.4 (patch by Cody Pisto) + +2004-04-20 Miklos Szeredi <miklos@szeredi.hu> + + * Fixed parser with modversions (Mattias Wadman) + +2004-04-19 Miklos Szeredi <miklos@szeredi.hu> + + * Added mount option parser to 2.4 build + +2004-04-13 Miklos Szeredi <miklos@szeredi.hu> + + * Replaced binary mount data with text options + + * Show FUSE specific mount options in /proc/mounts + + * Check in fuse.h whether _FILE_OFFSET_BITS is set to 64 + +2004-04-09 Miklos Szeredi <miklos@szeredi.hu> + + * Check some limits so userspace won't get too big requests + +2004-04-05 Miklos Szeredi <miklos@szeredi.hu> + + * Kill compile warning + + * Upgraded user-mount patch for 2.6.5 + +2004-04-02 Miklos Szeredi <miklos@szeredi.hu> + + * Add detection of user-mode-linux to configure + +2004-03-31 Miklos Szeredi <miklos@szeredi.hu> + + * fixed zero size case for getxattr and listxattr + +2004-03-30 Miklos Szeredi <miklos@szeredi.hu> + + * new fusermount flag '-z': lazy unmount, default is not lazy + + * Extended attributes operations added (getxattr, setxattr, + listxattr, removexattr) + +2004-03-25 Miklos Szeredi <miklos@szeredi.hu> + + * If filesystem doesn't define a statfs operation, then an + all-zero default statfs is returned instead of ENOSYS + +2004-03-24 Miklos Szeredi <miklos@szeredi.hu> + + * Add FS_BINARY_MOUNTDATA filesystem flag for kernels > 2.6.4 + +2004-03-09 Miklos Szeredi <miklos@szeredi.hu> + + * Fix for uClinux (Christian Magnusson) + +2004-03-02 Miklos Szeredi <miklos@szeredi.hu> + + * fuse_main() adds "-n progname" to the fusermount command line + + * More kernel interface changes: + + * Lookup/getattr return cache timeout values + +2004-02-25 Miklos Szeredi <miklos@szeredi.hu> + + * Clean up option parsing in fuse_main() + + * Added fuse_get() function which returns the fuse object created + by fuse_main() + +2004-02-20 Miklos Szeredi <miklos@szeredi.hu> + + * removed old way of mounting (fusermount mountpoint program) + + * more kernel interface changes: + + * added nanosecond precision to file times + + * removed interface version from mount data + + * added /proc/fs/fuse/version which contains MAJOR.MINOR + +2004-02-19 Miklos Szeredi <miklos@szeredi.hu> + + * statfs library API changed to match other methods. Since this + is not backward compatible FUSE_MAJOR_VERSION is changed to 2 + + * kernel interface changes follow: + + * statfs changed to 64 bits, added 'bavail' field + + * add generation number to lookup result + + * optimized mknod/mkdir/symlink/link (no separate lookup is + needed) + + * rdev size increased to 32 bits for mknod + + * kernel interface version changed to 3.1 + +2004-02-18 Miklos Szeredi <miklos@szeredi.hu> + + * user-mount upgraded for 2.6.3 kernel + +2004-02-17 Miklos Szeredi <miklos@szeredi.hu> + + * Added user-mount.2.6.2-rc3.patch + + * Add FS_SAFE flag to fuse filesystem + + * fusermount should allow (un)mounting for non-root even if not + suid-root + +2004-02-12 Miklos Szeredi <miklos@szeredi.hu> + + * Remove MS_PERMISSION mount flag (that means something else now) + +2004-02-10 Miklos Szeredi <miklos@szeredi.hu> + + * Added check for i_size_read/write functions to configure.in + (patch by Valient Gough) + +2004-02-06 Miklos Szeredi <miklos@szeredi.hu> + + * Fixed writing >= 2G files + + * Check file size on open (with generic_file_open()) + + * Readpage calls flush_dcache_page() after storing data + + * Use i_size_read/write for accessing inode->i_size + + * Make loopback mount of a fuse file work + +2004-02-04 Miklos Szeredi <miklos@szeredi.hu> + + * Released 1.1 + +2004-01-29 Miklos Szeredi <miklos@szeredi.hu> + + * Properly check if the inode exists in fuse_invalidate + +2004-01-27 Miklos Szeredi <miklos@szeredi.hu> + + * Added -q option for fusermount + + * fuse_unmount() now uses -q option of fusermount, so no error is + printed if the cause of the program exit is that the filesystem + has already been unmounted + + * Fix i_nlink correctness after rmdir/unlink + +2004-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Released 1.1-pre2 + +2004-01-26 Miklos Szeredi <miklos@szeredi.hu> + + * Fix typo (thanks Marcos Dione) + + * Compile fixes for 2.4 kernels + +2004-01-23 Miklos Szeredi <miklos@szeredi.hu> + + * Fix CONFIG_MODVERSIONS compile on 2.6 + +2004-01-22 Miklos Szeredi <miklos@szeredi.hu> + + * Write all pending data before a RELEASE operation + + * Suppress 'Bad file descriptor' warning on exit + + * Replaced fusermount option '-d xxx' with '-n xxx' so it doesn't + get confused with '-d' of fuse_main() (sorry about this change) + + * New fusermount option '-l' which enables big reads. Big reads + are now disabled by default. + + * fuse_main() can accept fusermount arguments after a '--' + +2004-01-19 Miklos Szeredi <miklos@szeredi.hu> + + * Support for exporting filesystem over NFS (see README.NFS) + +2004-01-14 Miklos Szeredi <miklos@szeredi.hu> + + * Support non-blocking writepage on 2.6. This makes FUSE behave + much more nicely in low-memory situations + + * Fix 32-bit dev handling in getattr and mknod for 2.6 kernels. + (Note: the mknod method does not yet use 32bit device number) + +2004-01-13 Miklos Szeredi <miklos@szeredi.hu> + + * Code cleanups + +2004-01-07 Miklos Szeredi <miklos@szeredi.hu> + + * Released 1.1-pre1 + +2004-01-06 Miklos Szeredi <miklos@szeredi.hu> + + * Integrated 2.6 kernel support patch by Michael Grigoriev + + * Improvements and cleanups for 2.6 kernels + +2004-01-05 Miklos Szeredi <miklos@szeredi.hu> + + * Added -d option to fusermount + +2003-12-15 Miklos Szeredi <miklos@szeredi.hu> + + * Added major+minor version to library API, and minor version to + kernel API + +2003-12-13 David McNab <david@rebirthing.co.nz> + + * Implemented fsync support in examples/example.py + + * Implemented 'fsync' and 'statfs' methods in python + interface + +2003-12-12 Miklos Szeredi <miklos@szeredi.hu> + + * Make it compile on 2.4.19. + + * Add fsync operation (write file failed on xemacs & vi) + +2003-12-12 David McNab <david@rebirthing.co.nz> + + * Added distutils support to the python module, as per standard + python development practice + +2003-12-11 Miklos Szeredi <miklos@szeredi.hu> + + * Add file locking for mount/unmount (based on patch by Valient + Gough) + +2003-12-11 David McNab <david@rebirthing.co.nz> + + * Python filesystem - was broken with python2.3, now fixed: + - changed PyTuple_* calls to PySequence_*, because os.lstat + is no longer returning a pure tuple + - changed PyInt_Check() calls to also call PyLong_Check, + to cover for cases (eg os.lstat) where longs are returned + - Added support for file 'release' handling, which IMO is + essential since this signals to a FS that writes to a file + are complete (and therefore the file can now be disposed of + meaningfully at the python filesystem's discretion) + - Added '__init__' handler to base Fuse class, which allows + your Python class to know the mountpoint and mount args, + as attributes myfs.mountpoint, myfs.optlist, myfs.optdict + + * General: + - added 'mount.fuse' script (in util/ dir), which is meant to be + symlinked from /sbin, and which allows FUSE filesystems to + be mounted with the 'mount' command, and listed in fstab; + also, mount arguments get passed to your filesystem + + +2003-11-04 Miklos Szeredi <miklos@szeredi.hu> + + * Fix kernel version detection (again). Bugreport by Peter Levart + +2003-11-03 Miklos Szeredi <miklos@szeredi.hu> + + * Applied read combining patch by Michael Grigoriev (tested by + Valient Gough and Vincent Wagelaar) + +2003-10-22 Miklos Szeredi <miklos@szeredi.hu> + + * Mtab handling fix in fusermount by "Valient Gough" (SF patch + #766443) + +2003-10-13 Miklos Szeredi <miklos@szeredi.hu> + + * Error code fixes in kernel module + +2003-10-04 Miklos Szeredi <miklos@szeredi.hu> + + * kernel version detection fix + + * fusermount now uses "lazy" umount option + + * fusermount can use modprobe with module-init-tools + +2003-09-08 Miklos Szeredi <miklos@szeredi.hu> + + * Integrated caching patch by Michael Grigoriev + + * Added "Filesystems" file with descriptions of projects using + FUSE + + * Added patch by Michael Grigoriev to allow compliation of FUSE + kernel module for 2.6 kernels + +2003-06-02 Miklos Szeredi <miklos@szeredi.hu> + + * And another spec-file fix by Achim Settelmeier + +2003-05-26 Miklos Szeredi <miklos@szeredi.hu> + + * Spec-file fix by Achim Settelmeier + +2003-03-10 Miklos Szeredi <miklos@szeredi.hu> + + * Fix umount oops (found by Samuli Kärkkäinen) + +2003-03-05 Miklos Szeredi <miklos@szeredi.hu> + + * Merge of fuse_redhat.spec and fuse.spec by Achim Settelmeier + +2003-03-04 Miklos Szeredi <miklos@szeredi.hu> + + * Updated fuse.spec file (Achim Settelmeier) + +2003-02-19 Miklos Szeredi <miklos@szeredi.hu> + + * Version 1.0 released + +2003-02-12 Miklos Szeredi <miklos@szeredi.hu> + + * SuSE compilation fix by Juan-Mariano de Goyeneche + +2002-12-10 Miklos Szeredi <miklos@szeredi.hu> + + * The release() VFS call is now exported to the FUSE interface + +2002-12-05 Miklos Szeredi <miklos@szeredi.hu> + + * 64 bit file offset fixes in the fuse kernel module + + * Added function 'fuse_exit()' which can be used to exit the main + loop + +2002-12-03 Miklos Szeredi <miklos@szeredi.hu> + + * Added _FILE_OFFSET_BITS=64 define to fuse.h. Note, that this is + an incompatible interface change. + +2002-10-28 Miklos Szeredi <miklos@szeredi.hu> + + * Portablility fix (bug reported by C. Chris Erway) + +2002-10-25 Miklos Szeredi <miklos@szeredi.hu> + + * Use Mark Glines' fd passing method for default operation instead + of old reexec + +2002-10-22 Miklos Szeredi <miklos@szeredi.hu> + + * fix "Stale NFS file handle" bug caused by changes in 2.4.19 + +2002-10-22 Miklos Szeredi <miklos@szeredi.hu> + + * fix incompatiblity with Red Hat kernels, with help from Nathan + Thompson-Amato. + +2002-04-18 Mark Glines <mark@glines.org> + + * added an alternative to fuse_mount(), called + fuse_mount_ioslave(), which does not need to reexec the + FUSE program. + * added a small helper util needed by fuse_mount_ioslave(). + +2002-03-16 Mark Glines <mark@glines.org> + + * use struct fuse_statfs everywhere possible to avoid problems + with the headerfiles changing struct statfs member sizes + +2002-03-01 Miklos Szeredi <miklos@szeredi.hu> + + * Another RPM spec file for RedHat >= 7 by Ian Pilcher + +2002-01-14 Miklos Szeredi <miklos@szeredi.hu> + + * RPM support by Achim Settelmeier + +2002-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Version 0.95 released + +2002-01-09 Miklos Szeredi <miklos@szeredi.hu> + + * Revaidate all path components not just the last, this means a + very small performance penalty for being more up-to-date. + +2002-01-08 Miklos Szeredi <miklos@szeredi.hu> + + * Update and fix python interface + +2002-01-07 Mark Glines <mark@glines.org> + + * Added statfs() support to kernel, lib, examples, and perl! + +2001-12-26 Miklos Szeredi <miklos@szeredi.hu> + + * Better cross compilation support + + * Ported to Compaq IPAQ + +2001-12-20 Miklos Szeredi <miklos@szeredi.hu> + + * Added function fuse_get_context() to library API (inspired by + patch from Matt Ryan) + + * Added flags to fusermount and to kernel interface to control + permission checking + + * Integrated fuse_set_operations() into fuse_new() + +2001-12-08 Miklos Szeredi <miklos@szeredi.hu> + + * Applied header protection + extern "C" patch by Roland + Bauerschmidt + +2001-12-02 Miklos Szeredi <miklos@szeredi.hu> + + * Added perl bindings by Mark Glines + +2001-11-21 Miklos Szeredi <miklos@szeredi.hu> + + * Cleaned up way of mounting simple filesystems. + + * fuse_main() helper function added + +2001-11-18 Miklos Szeredi <miklos@szeredi.hu> + + * Optimized read/write operations, so that minimal copying of data + is done + +2001-11-14 Miklos Szeredi <miklos@szeredi.hu> + + * Python bindings by Jeff Epler added + +2001-11-13 Miklos Szeredi <miklos@szeredi.hu> + + * Fixed vfsmount reference leak in fuse_follow_link + + * FS blocksize is set to PAGE_CACHE_SIZE, blksize attribute from + userspace is ignored + +2001-11-09 Miklos Szeredi <miklos@szeredi.hu> + + * Started ChangeLog diff --git a/fuse/README b/fuse/README index 3d1f6f091..398dd6557 100644 --- a/fuse/README +++ b/fuse/README @@ -1,12 +1,380 @@ -Libfuse for Android +General Information +=================== -FUSE[1] is a framework to develop userspace file systems for linux. Since Android is based on linux, it won't be too difficult to port libfuse to Android. +FUSE (Filesystem in Userspace) is a simple interface for userspace +programs to export a virtual filesystem to the Linux kernel. FUSE +also aims to provide a secure method for non privileged users to +create and mount their own filesystem implementations. -The main problem of building and running libfuse on Android is that the bionic c library lacks support for pthread_cancel(), which is necessary for libfuse multi-thread code. This stackoverflow entry[2] has suggested a solution, which uses SIGUSR1 as an alternative. It seems to work. +You can download the source code releases from -Libfuse can be build with Android NDK[3]. If success, you will get libfuse.a and an example program fusexmp. To run the example, the android kernel should be built with FUSE kernel support. + http://sourceforge.net/projects/fuse -References: -[1]. http://fuse.sourceforge.net -[2]. http://stackoverflow.com/questions/4610086/pthread-cancel-alternatives-in-android-ndk -[3]. http://developer.android.com/sdk/ndk/index.html +or alternatively you can use CVS to get the very latest development +version: + + cvs -d :pserver:anonymous@fuse.cvs.sourceforge.net:/cvsroot/fuse co fuse + + +Dependencies +============ + +Linux kernel version 2.6.X where X >= 9. + +Alternatively a kernel module from FUSE release 2.5.* can be used with +this release, which supports kernels >= 2.4.21. + +Installation +============ + +./configure +make +make install +modprobe fuse + +You may also need to add '/usr/local/lib' to '/etc/ld.so.conf' and/or +run ldconfig. + +You'll also need a fuse kernel module, Linux kernels 2.6.14 or later +contain FUSE support. + +For more details see the file 'INSTALL' + +How To Use +========== + +FUSE is made up of three main parts: + + - A kernel filesystem module + + - A userspace library + + - A mount/unmount program + + +Here's how to create your very own virtual filesystem in five easy +steps (after installing FUSE): + + 1) Edit the file example/fusexmp.c to do whatever you want... + + 2) Build the fusexmp program + + 3) run 'example/fusexmp /mnt/fuse -d' + + 4) ls -al /mnt/fuse + + 5) Be glad + +If it doesn't work out, please ask! Also see the file 'include/fuse.h' for +detailed documentation of the library interface. + +Security +======== + +If you run 'make install', the fusermount program is installed +set-user-id to root. This is done to allow normal users to mount +their own filesystem implementations. + +There must however be some limitations, in order to prevent Bad User from +doing nasty things. Currently those limitations are: + + - The user can only mount on a mountpoint, for which it has write + permission + + - The mountpoint is not a sticky directory which isn't owned by the + user (like /tmp usually is) + + - No other user (including root) can access the contents of the mounted + filesystem. + +Configuration +============= + +Some options regarding mount policy can be set in the file +'/etc/fuse.conf' + +Currently these options are: + +mount_max = NNN + + Set the maximum number of FUSE mounts allowed to non-root users. + The default is 1000. + +user_allow_other + + Allow non-root users to specify the 'allow_other' or 'allow_root' + mount options. + + +Mount options +============= + +Most of the generic mount options described in 'man mount' are +supported (ro, rw, suid, nosuid, dev, nodev, exec, noexec, atime, +noatime, sync async, dirsync). Filesystems are mounted with +'-onodev,nosuid' by default, which can only be overridden by a +privileged user. + +These are FUSE specific mount options that can be specified for all +filesystems: + +default_permissions + + By default FUSE doesn't check file access permissions, the + filesystem is free to implement it's access policy or leave it to + the underlying file access mechanism (e.g. in case of network + filesystems). This option enables permission checking, restricting + access based on file mode. This is option is usually useful + together with the 'allow_other' mount option. + +allow_other + + This option overrides the security measure restricting file access + to the user mounting the filesystem. So all users (including root) + can access the files. This option is by default only allowed to + root, but this restriction can be removed with a configuration + option described in the previous section. + +allow_root + + This option is similar to 'allow_other' but file access is limited + to the user mounting the filesystem and root. This option and + 'allow_other' are mutually exclusive. + +kernel_cache + + This option disables flushing the cache of the file contents on + every open(). This should only be enabled on filesystems, where the + file data is never changed externally (not through the mounted FUSE + filesystem). Thus it is not suitable for network filesystems and + other "intermediate" filesystems. + + NOTE: if this option is not specified (and neither 'direct_io') data + is still cached after the open(), so a read() system call will not + always initiate a read operation. + +auto_cache + + This option enables automatic flushing of the data cache on open(). + The cache will only be flushed if the modification time or the size + of the file has changed. + +large_read + + Issue large read requests. This can improve performance for some + filesystems, but can also degrade performance. This option is only + useful on 2.4.X kernels, as on 2.6 kernels requests size is + automatically determined for optimum performance. + +direct_io + + This option disables the use of page cache (file content cache) in + the kernel for this filesystem. This has several affects: + + - Each read() or write() system call will initiate one or more + read or write operations, data will not be cached in the + kernel. + + - The return value of the read() and write() system calls will + correspond to the return values of the read and write + operations. This is useful for example if the file size is not + known in advance (before reading it). + +max_read=N + + With this option the maximum size of read operations can be set. + The default is infinite. Note that the size of read requests is + limited anyway to 32 pages (which is 128kbyte on i386). + +max_readahead=N + + Set the maximum number of bytes to read-ahead. The default is + determined by the kernel. On linux-2.6.22 or earlier it's 131072 + (128kbytes) + +max_write=N + + Set the maximum number of bytes in a single write operation. The + default is 128kbytes. Note, that due to various limitations, the + size of write requests can be much smaller (4kbytes). This + limitation will be removed in the future. + +async_read + + Perform reads asynchronously. This is the default + +sync_read + + Perform all reads (even read-ahead) synchronously. + +hard_remove + + The default behavior is that if an open file is deleted, the file is + renamed to a hidden file (.fuse_hiddenXXX), and only removed when + the file is finally released. This relieves the filesystem + implementation of having to deal with this problem. This option + disables the hiding behavior, and files are removed immediately in + an unlink operation (or in a rename operation which overwrites an + existing file). + + It is recommended that you not use the hard_remove option. When + hard_remove is set, the following libc functions fail on unlinked + files (returning errno of ENOENT): + - read() + - write() + - fsync() + - close() + - f*xattr() + - ftruncate() + - fstat() + - fchmod() + - fchown() + +debug + + Turns on debug information printing by the library. + +fsname=NAME + + Sets the filesystem source (first field in /etc/mtab). The default + is the program name. + +subtype=TYPE + + Sets the filesystem type (third field in /etc/mtab). The default is + the program name. + + If the kernel suppports it, /etc/mtab and /proc/mounts will show the + filesystem type as "fuse.TYPE" + + If the kernel doesn't support subtypes, the source filed will be + "TYPE#NAME", or if fsname option is not specified, just "TYPE". + +use_ino + + Honor the 'st_ino' field in getattr() and fill_dir(). This value is + used to fill in the 'st_ino' field in the stat()/lstat()/fstat() + functions and the 'd_ino' field in the readdir() function. The + filesystem does not have to guarantee uniqueness, however some + applications rely on this value being unique for the whole + filesystem. + +readdir_ino + + If 'use_ino' option is not given, still try to fill in the 'd_ino' + field in readdir(). If the name was previously looked up, and is + still in the cache, the inode number found there will be used. + Otherwise it will be set to '-1'. If 'use_ino' option is given, + this option is ignored. + +nonempty + + Allows mounts over a non-empty file or directory. By default these + mounts are rejected (from version 2.3.1) to prevent accidental + covering up of data, which could for example prevent automatic + backup. + +umask=M + + Override the permission bits in 'st_mode' set by the filesystem. + The resulting permission bits are the ones missing from the given + umask value. The value is given in octal representation. + +uid=N + + Override the 'st_uid' field set by the filesystem. + +gid=N + + Override the 'st_gid' field set by the filesystem. + +blkdev + + Mount a filesystem backed by a block device. This is a privileged + option. The device must be specified with the 'fsname=NAME' option. + +entry_timeout=T + + The timeout in seconds for which name lookups will be cached. The + default is 1.0 second. For all the timeout options, it is possible + to give fractions of a second as well (e.g. "-oentry_timeout=2.8") + +negative_timeout=T + + The timeout in seconds for which a negative lookup will be cached. + This means, that if file did not exist (lookup retuned ENOENT), the + lookup will only be redone after the timeout, and the file/directory + will be assumed to not exist until then. The default is 0.0 second, + meaning that caching negative lookups are disabled. + +attr_timeout=T + + The timeout in seconds for which file/directory attributes are + cached. The default is 1.0 second. + +ac_attr_timeout=T + + The timeout in seconds for which file attributes are cached for the + purpose of checking if "auto_cache" should flush the file data on + open. The default is the value of 'attr_timeout' + +intr + + Allow requests to be interrupted. Turning on this option may result + in unexpected behavior, if the filesystem does not support request + interruption. + +intr_signal=NUM + + Specify which signal number to send to the filesystem when a request + is interrupted. The default is 10 (USR1). + +modules=M1[:M2...] + + Add modules to the filesystem stack. Modules are pushed in the + order they are specified, with the original filesystem being on the + bottom of the stack. + + +Modules distributed with fuse +----------------------------- + +iconv +````` +Perform file name character set conversion. Options are: + +from_code=CHARSET + + Character set to convert from (see iconv -l for a list of possible + values). Default is UTF-8. + +to_code=CHARSET + + Character set to convert to. Default is determined by the current + locale. + + +subdir +`````` +Prepend a given directory to each path. Options are: + +subdir=DIR + + Directory to prepend to all paths. This option is mandatory. + +rellinks + + Transform absolute symlinks into relative + +norellinks + + Do not transform absolute symlinks into relative. This is the default. + + +Reporting bugs +============== + +Please send bug reports to the <fuse-devel@lists.sourceforge.net> +mailing list. + +The list is open, you need not be subscribed to post. diff --git a/fuse/include/config.h b/fuse/android/config.h index a0c603ab6..dac8c1671 100644 --- a/fuse/include/config.h +++ b/fuse/android/config.h @@ -72,16 +72,16 @@ #define PACKAGE_NAME "fuse" /* Define to the full name and version of this package. */ -#define PACKAGE_STRING "fuse 2.8.5" +#define PACKAGE_STRING "fuse 2.9.3" /* Define to the one symbol short name of this package. */ #define PACKAGE_TARNAME "fuse" /* Define to the version of this package. */ -#define PACKAGE_VERSION "2.8.5" +#define PACKAGE_VERSION "2.9.3" /* Define to 1 if you have the ANSI C header files. */ #define STDC_HEADERS 1 /* Version number of package */ -#define VERSION "2.8.5" +#define VERSION "2.9.3" diff --git a/fuse/android/statvfs.c b/fuse/android/statvfs.c new file mode 100644 index 000000000..7cec574da --- /dev/null +++ b/fuse/android/statvfs.c @@ -0,0 +1,48 @@ +/* + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include "sys/statvfs.h" +#include <sys/statfs.h> + +#define MAP(to,from) vfs->to = sfs.from + +int statvfs(const char *path, struct statvfs *vfs) { + struct statfs sfs; + int ret; + int *fsid; + if ((ret = statfs(path, &sfs)) != 0) + return ret; + + MAP(f_bsize, f_bsize); + MAP(f_frsize, f_frsize); + MAP(f_blocks, f_blocks); + MAP(f_bfree, f_bfree); + MAP(f_bavail, f_bavail); + MAP(f_files, f_files); + MAP(f_ffree, f_ffree); + MAP(f_namemax, f_namelen); + + vfs->f_favail = 0; + vfs->f_flag = 0; + + fsid = (int *)&sfs.f_fsid; + vfs->f_fsid = (fsid[0] << sizeof(fsid[0])) | fsid[1]; + + return ret; +} diff --git a/fuse/android/sys/statvfs.h b/fuse/android/sys/statvfs.h new file mode 100644 index 000000000..0d770dd72 --- /dev/null +++ b/fuse/android/sys/statvfs.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2012 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#ifndef _SYS_STATVFS_H_ +#define _SYS_STATVFS_H_ +#include <sys/types.h> + +struct statvfs { + unsigned long f_bsize; /* file system block size */ + unsigned long f_frsize; /* fragment size */ + fsblkcnt_t f_blocks; /* size of fs in f_frsize units */ + fsblkcnt_t f_bfree; /* # free blocks */ + fsblkcnt_t f_bavail; /* # free blocks for non-root */ + fsfilcnt_t f_files; /* # inodes */ + fsfilcnt_t f_ffree; /* # free inodes */ + fsfilcnt_t f_favail; /* # free inodes for non-root */ + unsigned long f_fsid; /* file system ID */ + unsigned long f_flag; /* mount flags */ + unsigned long f_namemax; /* maximum filename length */ +}; + +int statvfs(const char *, struct statvfs *); +#endif diff --git a/fuse/buffer.c b/fuse/buffer.c index 053e396bc..6fa55c979 100644 --- a/fuse/buffer.c +++ b/fuse/buffer.c @@ -45,7 +45,7 @@ static ssize_t fuse_buf_write(const struct fuse_buf *dst, size_t dst_off, while (len) { if (dst->flags & FUSE_BUF_FD_SEEK) { - res = pwrite(dst->fd, src->mem + src_off, len, + res = pwrite64(dst->fd, src->mem + src_off, len, dst->pos + dst_off); } else { res = write(dst->fd, src->mem + src_off, len); @@ -160,10 +160,10 @@ static ssize_t fuse_buf_splice(const struct fuse_buf *dst, size_t dst_off, size_t len, enum fuse_buf_copy_flags flags) { int splice_flags = 0; - off64_t *srcpos = NULL; - off64_t *dstpos = NULL; - off64_t srcpos_val; - off64_t dstpos_val; + loff_t *srcpos = NULL; + loff_t *dstpos = NULL; + loff_t srcpos_val; + loff_t dstpos_val; ssize_t res; size_t copied = 0; diff --git a/fuse/cuse_lowlevel.c b/fuse/cuse_lowlevel.c index be49ad473..ae08ed485 100644 --- a/fuse/cuse_lowlevel.c +++ b/fuse/cuse_lowlevel.c @@ -43,14 +43,14 @@ static void cuse_fll_open(fuse_req_t req, fuse_ino_t ino, } static void cuse_fll_read(fuse_req_t req, fuse_ino_t ino, size_t size, - off64_t off, struct fuse_file_info *fi) + loff_t off, struct fuse_file_info *fi) { (void)ino; req_clop(req)->read(req, size, off, fi); } static void cuse_fll_write(fuse_req_t req, fuse_ino_t ino, const char *buf, - size_t size, off64_t off, struct fuse_file_info *fi) + size_t size, loff_t off, struct fuse_file_info *fi) { (void)ino; req_clop(req)->write(req, buf, size, off, fi); diff --git a/fuse/fuse.c b/fuse/fuse.c index 588d44533..2c1aa17d8 100644 --- a/fuse/fuse.c +++ b/fuse/fuse.c @@ -30,13 +30,17 @@ #include <limits.h> #include <errno.h> #include <signal.h> -#include <dlfcn.h> #include <assert.h> #include <poll.h> #include <sys/param.h> #include <sys/uio.h> #include <sys/time.h> #include <sys/mman.h> +#include <sys/file.h> + +#ifdef USE_MODULES +#include <dlfcn.h> +#endif #define FUSE_NODE_SLAB 1 @@ -156,8 +160,8 @@ struct fuse { struct lock { int type; - off64_t start; - off64_t end; + loff_t start; + loff_t end; pid_t pid; uint64_t owner; struct lock *next; @@ -175,7 +179,7 @@ struct node { int open_count; struct timespec stat_updated; struct timespec mtime; - off64_t size; + loff_t size; struct lock *locks; unsigned int is_hidden : 1; unsigned int cache_valid : 1; @@ -221,6 +225,8 @@ struct fuse_context_i { static pthread_key_t fuse_context_key; static pthread_mutex_t fuse_context_lock = PTHREAD_MUTEX_INITIALIZER; static int fuse_context_ref; + +#ifdef USE_MODULES static struct fusemod_so *fuse_current_so; static struct fuse_module *fuse_modules; @@ -319,6 +325,7 @@ static void fuse_put_module(struct fuse_module *m) } pthread_mutex_unlock(&fuse_context_lock); } +#endif static void init_list_head(struct list_head *list) { @@ -1021,10 +1028,12 @@ static void queue_element_unlock(struct fuse *f, struct lock_queue_element *qe) if (qe->first_locked) { wnode = qe->wnode1 ? *qe->wnode1 : NULL; unlock_path(f, qe->nodeid1, wnode, NULL); + qe->first_locked = false; } if (qe->second_locked) { wnode = qe->wnode2 ? *qe->wnode2 : NULL; unlock_path(f, qe->nodeid2, wnode, NULL); + qe->second_locked = false; } } @@ -1757,7 +1766,7 @@ static void fuse_free_buf(struct fuse_bufvec *buf) } int fuse_fs_read_buf(struct fuse_fs *fs, const char *path, - struct fuse_bufvec **bufp, size_t size, off64_t off, + struct fuse_bufvec **bufp, size_t size, loff_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; @@ -1812,7 +1821,7 @@ int fuse_fs_read_buf(struct fuse_fs *fs, const char *path, } int fuse_fs_read(struct fuse_fs *fs, const char *path, char *mem, size_t size, - off64_t off, struct fuse_file_info *fi) + loff_t off, struct fuse_file_info *fi) { int res; struct fuse_bufvec *buf = NULL; @@ -1830,7 +1839,7 @@ int fuse_fs_read(struct fuse_fs *fs, const char *path, char *mem, size_t size, } int fuse_fs_write_buf(struct fuse_fs *fs, const char *path, - struct fuse_bufvec *buf, off64_t off, + struct fuse_bufvec *buf, loff_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; @@ -1894,7 +1903,7 @@ out: } int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *mem, - size_t size, off64_t off, struct fuse_file_info *fi) + size_t size, loff_t off, struct fuse_file_info *fi) { struct fuse_bufvec bufv = FUSE_BUFVEC_INIT(size); @@ -1993,7 +2002,7 @@ static int fill_dir_old(struct fuse_dirhandle *dh, const char *name, int type, } int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf, - fuse_fill_dir_t filler, off64_t off, + fuse_fill_dir_t filler, loff_t off, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; @@ -2104,7 +2113,7 @@ int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid) } } -int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size) +int fuse_fs_truncate(struct fuse_fs *fs, const char *path, loff_t size) { fuse_get_context()->private_data = fs->user_data; if (fs->op.truncate) { @@ -2118,7 +2127,7 @@ int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size) } } -int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off64_t size, +int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, loff_t size, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; @@ -2336,7 +2345,7 @@ int fuse_fs_poll(struct fuse_fs *fs, const char *path, } int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode, - off64_t offset, off64_t length, struct fuse_file_info *fi) + loff_t offset, loff_t length, struct fuse_file_info *fi) { fuse_get_context()->private_data = fs->user_data; if (fs->op.fallocate) { @@ -2393,6 +2402,7 @@ static char *hidden_name(struct fuse *f, fuse_ino_t dir, const char *oldname, if (res) break; + memset(&buf, 0, sizeof(buf)); res = fuse_fs_getattr(f->fs, newpath, &buf); if (res == -ENOENT) break; @@ -2608,8 +2618,10 @@ void fuse_fs_destroy(struct fuse_fs *fs) fuse_get_context()->private_data = fs->user_data; if (fs->op.destroy) fs->op.destroy(fs->user_data); +#ifdef USE_MODULES if (fs->m) fuse_put_module(fs->m); +#endif free(fs); } @@ -2766,6 +2778,7 @@ static void fuse_lib_setattr(fuse_req_t req, fuse_ino_t ino, struct stat *attr, char *path; int err; + memset(&buf, 0, sizeof(buf)); if (valid == FUSE_SET_ATTR_SIZE && fi != NULL && f->fs->op.ftruncate && f->fs->op.fgetattr) err = get_path_nullok(f, ino, &path); @@ -3235,7 +3248,7 @@ static void fuse_lib_open(fuse_req_t req, fuse_ino_t ino, } static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size, - off64_t off, struct fuse_file_info *fi) + loff_t off, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_bufvec *buf = NULL; @@ -3261,7 +3274,7 @@ static void fuse_lib_read(fuse_req_t req, fuse_ino_t ino, size_t size, } static void fuse_lib_write_buf(fuse_req_t req, fuse_ino_t ino, - struct fuse_bufvec *buf, off64_t off, + struct fuse_bufvec *buf, loff_t off, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); @@ -3390,7 +3403,7 @@ static int extend_contents(struct fuse_dh *dh, unsigned minsize) } static int fill_dir(void *dh_, const char *name, const struct stat *statp, - off64_t off) + loff_t off) { struct fuse_dh *dh = (struct fuse_dh *) dh_; struct stat stbuf; @@ -3440,7 +3453,7 @@ static int fill_dir(void *dh_, const char *name, const struct stat *statp, } static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino, - size_t size, off64_t off, struct fuse_dh *dh, + size_t size, loff_t off, struct fuse_dh *dh, struct fuse_file_info *fi) { char *path; @@ -3472,7 +3485,7 @@ static int readdir_fill(struct fuse *f, fuse_req_t req, fuse_ino_t ino, } static void fuse_lib_readdir(fuse_req_t req, fuse_ino_t ino, size_t size, - off64_t off, struct fuse_file_info *llfi) + loff_t off, struct fuse_file_info *llfi) { struct fuse *f = req_fuse_prepare(req); struct fuse_file_info fi; @@ -3995,12 +4008,13 @@ static void fuse_lib_bmap(fuse_req_t req, fuse_ino_t ino, size_t blocksize, } static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, - struct fuse_file_info *fi, unsigned int flags, + struct fuse_file_info *llfi, unsigned int flags, const void *in_buf, size_t in_bufsz, size_t out_bufsz) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; + struct fuse_file_info fi; char *path, *out_buf = NULL; int err; @@ -4008,6 +4022,11 @@ static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, if (flags & FUSE_IOCTL_UNRESTRICTED) goto err; + if (flags & FUSE_IOCTL_DIR) + get_dirhandle(llfi, &fi); + else + fi = *llfi; + if (out_bufsz) { err = -ENOMEM; out_buf = malloc(out_bufsz); @@ -4025,7 +4044,7 @@ static void fuse_lib_ioctl(fuse_req_t req, fuse_ino_t ino, int cmd, void *arg, fuse_prepare_interrupt(f, req, &d); - err = fuse_fs_ioctl(f->fs, path, cmd, arg, fi, flags, + err = fuse_fs_ioctl(f->fs, path, cmd, arg, &fi, flags, out_buf ?: (void *)in_buf); fuse_finish_interrupt(f, req, &d); @@ -4062,7 +4081,7 @@ static void fuse_lib_poll(fuse_req_t req, fuse_ino_t ino, } static void fuse_lib_fallocate(fuse_req_t req, fuse_ino_t ino, int mode, - off64_t offset, off64_t length, struct fuse_file_info *fi) + loff_t offset, loff_t length, struct fuse_file_info *fi) { struct fuse *f = req_fuse_prepare(req); struct fuse_intr_data d; @@ -4415,12 +4434,14 @@ static void fuse_lib_help(void) " -o ac_attr_timeout=T auto cache timeout for attributes (attr_timeout)\n" " -o noforget never forget cached inodes\n" " -o remember=T remember cached inodes for T seconds (0s)\n" +" -o nopath don't supply path if not necessary\n" " -o intr allow requests to be interrupted\n" " -o intr_signal=NUM signal to send on interrupt (%i)\n" " -o modules=M1[:M2...] names of modules to push onto filesystem stack\n" "\n", FUSE_DEFAULT_INTR_SIGNAL); } +#ifdef USE_MODULES static void fuse_lib_help_modules(void) { struct fuse_module *m; @@ -4440,6 +4461,7 @@ static void fuse_lib_help_modules(void) } pthread_mutex_unlock(&fuse_context_lock); } +#endif static int fuse_lib_opt_proc(void *data, const char *arg, int key, struct fuse_args *outargs) @@ -4495,7 +4517,7 @@ static void fuse_restore_intr_signal(int signum) sigaction(signum, &sa, NULL); } - +#ifdef USE_MODULES static int fuse_push_module(struct fuse *f, const char *module, struct fuse_args *args) { @@ -4518,6 +4540,7 @@ static int fuse_push_module(struct fuse *f, const char *module, f->utime_omit_ok = newfs->op.flag_utime_omit_ok && f->utime_omit_ok; return 0; } +#endif struct fuse_fs *fuse_fs_new(const struct fuse_operations *op, size_t op_size, void *user_data) @@ -4555,11 +4578,30 @@ static int node_table_init(struct node_table *t) return 0; } +static void thread_exit_handler(int sig) +{ + pthread_exit(0); +} + static void *fuse_prune_nodes(void *fuse) { struct fuse *f = fuse; int sleep_time; +#if defined(__ANDROID__) + struct sigaction actions; + memset(&actions, 0, sizeof(actions)); + sigemptyset(&actions.sa_mask); + actions.sa_flags = 0; + actions.sa_handler = thread_exit_handler; + sigaction(SIGUSR1, &actions, NULL); + + sigset_t setusr1; + sigemptyset(&setusr1); + sigaddset(&setusr1, SIGUSR1); + pthread_sigmask(SIG_BLOCK, &setusr1, NULL); +#endif + while(1) { sleep_time = fuse_clean_cache(f); sleep(sleep_time); @@ -4579,10 +4621,10 @@ void fuse_stop_cleanup_thread(struct fuse *f) { if (lru_enabled(f)) { pthread_mutex_lock(&f->lock); -#ifndef ANDROID - pthread_cancel(f->prune_thread); -#else +#if defined(__ANDROID__) pthread_kill(f->prune_thread, SIGUSR1); +#else + pthread_cancel(f->prune_thread); #endif pthread_mutex_unlock(&f->lock); pthread_join(f->prune_thread, NULL); @@ -4637,6 +4679,7 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, fuse_lib_opt_proc) == -1) goto out_free_fs; +#ifdef USE_MODULES if (f->conf.modules) { char *module; char *next; @@ -4651,6 +4694,7 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, goto out_free_fs; } } +#endif if (!f->conf.ac_attr_timeout_set) f->conf.ac_attr_timeout = f->conf.attr_timeout; @@ -4670,8 +4714,10 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, f->se = fuse_lowlevel_new_common(args, &llop, sizeof(llop), f); if (f->se == NULL) { +#ifdef USE_MODULES if (f->conf.help) fuse_lib_help_modules(); +#endif goto out_free_fs; } @@ -4700,6 +4746,10 @@ struct fuse *fuse_new_common(struct fuse_chan *ch, struct fuse_args *args, fprintf(stderr, "fuse: memory allocation failed\n"); goto out_free_id_table; } + if (lru_enabled(f)) { + struct node_lru *lnode = node_lru(root); + init_list_head(&lnode->lru); + } strcpy(root->inline_name, "/"); root->name = root->inline_name; @@ -4808,6 +4858,7 @@ static struct fuse *fuse_new_common_compat25(int fd, struct fuse_args *args, return f; } +#ifdef USE_MODULES /* called with fuse_context_lock held or during initialization (before main() has been called) */ void fuse_register_module(struct fuse_module *mod) @@ -4819,6 +4870,7 @@ void fuse_register_module(struct fuse_module *mod) mod->next = fuse_modules; fuse_modules = mod; } +#endif #if !defined(__FreeBSD__) && !defined(__NetBSD__) @@ -4870,11 +4922,11 @@ struct fuse *fuse_new_compat1(int fd, int flags, 11); } -FUSE_SYMVER(".symver fuse_exited,__fuse_exited@"); -FUSE_SYMVER(".symver fuse_process_cmd,__fuse_process_cmd@"); -FUSE_SYMVER(".symver fuse_read_cmd,__fuse_read_cmd@"); -FUSE_SYMVER(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@"); -FUSE_SYMVER(".symver fuse_new_compat2,fuse_new@"); +FUSE_SYMVER(".symver fuse_exited,__fuse_exited@FUSE_UNVERSIONED"); +FUSE_SYMVER(".symver fuse_process_cmd,__fuse_process_cmd@FUSE_UNVERSIONED"); +FUSE_SYMVER(".symver fuse_read_cmd,__fuse_read_cmd@FUSE_UNVERSIONED"); +FUSE_SYMVER(".symver fuse_set_getcontext_func,__fuse_set_getcontext_func@FUSE_UNVERSIONED"); +FUSE_SYMVER(".symver fuse_new_compat2,fuse_new@FUSE_UNVERSIONED"); FUSE_SYMVER(".symver fuse_new_compat22,fuse_new@FUSE_2.2"); #endif /* __FreeBSD__ || __NetBSD__ */ diff --git a/fuse/fuse_i.h b/fuse/fuse_i.h index 78f14677a..fa3715606 100644 --- a/fuse/fuse_i.h +++ b/fuse/fuse_i.h @@ -106,6 +106,8 @@ struct fuse_session *fuse_lowlevel_new_common(struct fuse_args *args, size_t op_size, void *userdata); void fuse_kern_unmount_compat22(const char *mountpoint); +int fuse_chan_clearfd(struct fuse_chan *ch); + void fuse_kern_unmount(const char *mountpoint, int fd); int fuse_kern_mount(const char *mountpoint, struct fuse_args *args); diff --git a/fuse/fuse_kern_chan.c b/fuse/fuse_kern_chan.c index 5f77bbf56..4a9beb8f8 100644 --- a/fuse/fuse_kern_chan.c +++ b/fuse/fuse_kern_chan.c @@ -77,7 +77,10 @@ static int fuse_kern_chan_send(struct fuse_chan *ch, const struct iovec iov[], static void fuse_kern_chan_destroy(struct fuse_chan *ch) { - close(fuse_chan_fd(ch)); + int fd = fuse_chan_fd(ch); + + if (fd != -1) + close(fd); } #define MIN_BUFSIZE 0x21000 diff --git a/fuse/fuse_loop_mt.c b/fuse/fuse_loop_mt.c index aefc3ec98..90fc1e694 100644 --- a/fuse/fuse_loop_mt.c +++ b/fuse/fuse_loop_mt.c @@ -19,7 +19,6 @@ #include <semaphore.h> #include <errno.h> #include <sys/time.h> -#include <pthread.h> /* Environment var controlling the thread stack size */ #define ENVNAME_THREAD_STACK "FUSE_THREAD_STACK" @@ -62,16 +61,32 @@ static void list_del_worker(struct fuse_worker *w) next->prev = prev; } -#define PTHREAD_CANCEL_ENABLE 0 -#define PTHREAD_CANCEL_DISABLE 1 - static int fuse_loop_start_thread(struct fuse_mt *mt); +static void thread_exit_handler(int sig) +{ + pthread_exit(0); +} + static void *fuse_do_work(void *data) { struct fuse_worker *w = (struct fuse_worker *) data; struct fuse_mt *mt = w->mt; +#if defined(__ANDROID__) + struct sigaction actions; + memset(&actions, 0, sizeof(actions)); + sigemptyset(&actions.sa_mask); + actions.sa_flags = 0; + actions.sa_handler = thread_exit_handler; + sigaction(SIGUSR1, &actions, NULL); + + sigset_t setusr1; + sigemptyset(&setusr1); + sigaddset(&setusr1, SIGUSR1); + pthread_sigmask(SIG_BLOCK, &setusr1, NULL); +#endif + while (!fuse_session_exited(mt->se)) { int isforget = 0; struct fuse_chan *ch = mt->prevch; @@ -81,11 +96,15 @@ static void *fuse_do_work(void *data) }; int res; -#ifndef ANDROID +#if defined(__ANDROID__) + pthread_sigmask(SIG_UNBLOCK, &setusr1, NULL); +#else pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); #endif res = fuse_session_receive_buf(mt->se, &fbuf, &ch); -#ifndef ANDROID +#if defined(__ANDROID__) + pthread_sigmask(SIG_BLOCK, &setusr1, NULL); +#else pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL); #endif if (res == -EINTR) @@ -249,14 +268,15 @@ int fuse_session_loop_mt(struct fuse_session *se) while (!fuse_session_exited(se)) sem_wait(&mt.finish); -#ifndef ANDROID + pthread_mutex_lock(&mt.lock); for (w = mt.main.next; w != &mt.main; w = w->next) - pthread_cancel(w->thread_id); -#else - for (w = mt.main.next; w != &mt.main; w = w->next) +#if defined(__ANDROID__) pthread_kill(w->thread_id, SIGUSR1); +#else + pthread_cancel(w->thread_id); #endif mt.exit = 1; + pthread_mutex_unlock(&mt.lock); while (mt.main.next != &mt.main) fuse_join_worker(&mt, mt.main.next); diff --git a/fuse/fuse_lowlevel.c b/fuse/fuse_lowlevel.c index 103f83154..5f223c98f 100644 --- a/fuse/fuse_lowlevel.c +++ b/fuse/fuse_lowlevel.c @@ -24,6 +24,7 @@ #include <limits.h> #include <errno.h> #include <assert.h> +#include <sys/file.h> #ifndef F_LINUX_SPECIFIC_BASE #define F_LINUX_SPECIFIC_BASE 1024 @@ -247,7 +248,7 @@ size_t fuse_dirent_size(size_t namelen) } char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, - off64_t off) + loff_t off) { unsigned namelen = strlen(name); unsigned entlen = FUSE_NAME_OFFSET + namelen; @@ -267,7 +268,7 @@ char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, } size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, - const char *name, const struct stat *stbuf, off64_t off) + const char *name, const struct stat *stbuf, loff_t off) { size_t entsize; @@ -1979,7 +1980,7 @@ int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph) } int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino, - off64_t off, off64_t len) + loff_t off, loff_t len) { struct fuse_notify_inval_inode_out outarg; struct fuse_ll *f; @@ -2060,7 +2061,7 @@ int fuse_lowlevel_notify_delete(struct fuse_chan *ch, } int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino, - off64_t offset, struct fuse_bufvec *bufv, + loff_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags) { struct fuse_out_header out; @@ -2144,7 +2145,7 @@ out: } int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino, - size_t size, off64_t offset, void *cookie) + size_t size, loff_t offset, void *cookie) { struct fuse_notify_retrieve_out outarg; struct fuse_ll *f; diff --git a/fuse/fuse_mt.c b/fuse/fuse_mt.c index f6dbe71b2..fd5ac23e5 100644 --- a/fuse/fuse_mt.c +++ b/fuse/fuse_mt.c @@ -119,4 +119,4 @@ int fuse_loop_mt(struct fuse *f) return res; } -FUSE_SYMVER(".symver fuse_loop_mt_proc,__fuse_loop_mt@"); +FUSE_SYMVER(".symver fuse_loop_mt_proc,__fuse_loop_mt@FUSE_UNVERSIONED"); diff --git a/fuse/fuse_session.c b/fuse/fuse_session.c index c55f25074..18c8c4249 100644 --- a/fuse/fuse_session.c +++ b/fuse/fuse_session.c @@ -182,6 +182,16 @@ int fuse_chan_fd(struct fuse_chan *ch) return ch->fd; } +int fuse_chan_clearfd(struct fuse_chan *ch) +{ + if (ch == NULL) + return -1; + + int fd = ch->fd; + ch->fd = -1; + return fd; +} + size_t fuse_chan_bufsize(struct fuse_chan *ch) { return ch->bufsize; diff --git a/fuse/fuse_signals.c b/fuse/fuse_signals.c index 88ac39e18..353cb24bd 100644 --- a/fuse/fuse_signals.c +++ b/fuse/fuse_signals.c @@ -21,13 +21,13 @@ static void exit_handler(int sig) fuse_session_exit(fuse_instance); } -static int set_one_signal_handler(int sig, void (*handler)(int)) +static int set_one_signal_handler(int sig, void (*handler)(int), int remove) { struct sigaction sa; struct sigaction old_sa; memset(&sa, 0, sizeof(struct sigaction)); - sa.sa_handler = handler; + sa.sa_handler = remove ? SIG_DFL : handler; sigemptyset(&(sa.sa_mask)); sa.sa_flags = 0; @@ -36,7 +36,7 @@ static int set_one_signal_handler(int sig, void (*handler)(int)) return -1; } - if (old_sa.sa_handler == SIG_DFL && + if (old_sa.sa_handler == (remove ? handler : SIG_DFL) && sigaction(sig, &sa, NULL) == -1) { perror("fuse: cannot set signal handler"); return -1; @@ -46,10 +46,10 @@ static int set_one_signal_handler(int sig, void (*handler)(int)) int fuse_set_signal_handlers(struct fuse_session *se) { - if (set_one_signal_handler(SIGHUP, exit_handler) == -1 || - set_one_signal_handler(SIGINT, exit_handler) == -1 || - set_one_signal_handler(SIGTERM, exit_handler) == -1 || - set_one_signal_handler(SIGPIPE, SIG_IGN) == -1) + if (set_one_signal_handler(SIGHUP, exit_handler, 0) == -1 || + set_one_signal_handler(SIGINT, exit_handler, 0) == -1 || + set_one_signal_handler(SIGTERM, exit_handler, 0) == -1 || + set_one_signal_handler(SIGPIPE, SIG_IGN, 0) == -1) return -1; fuse_instance = se; @@ -64,9 +64,9 @@ void fuse_remove_signal_handlers(struct fuse_session *se) else fuse_instance = NULL; - set_one_signal_handler(SIGHUP, SIG_DFL); - set_one_signal_handler(SIGINT, SIG_DFL); - set_one_signal_handler(SIGTERM, SIG_DFL); - set_one_signal_handler(SIGPIPE, SIG_DFL); + set_one_signal_handler(SIGHUP, exit_handler, 1); + set_one_signal_handler(SIGINT, exit_handler, 1); + set_one_signal_handler(SIGTERM, exit_handler, 1); + set_one_signal_handler(SIGPIPE, SIG_IGN, 1); } diff --git a/fuse/fuse_versionscript b/fuse/fuse_versionscript new file mode 100644 index 000000000..de16ab2e6 --- /dev/null +++ b/fuse/fuse_versionscript @@ -0,0 +1,210 @@ +FUSE_UNVERSIONED { +}; + +FUSE_2.2 { + global: + fuse_destroy; + fuse_exit; + fuse_exited; + fuse_invalidate; + fuse_is_lib_option; + fuse_loop; + fuse_loop_mt; + fuse_loop_mt_proc; + fuse_main; + fuse_main_compat1; + fuse_main_compat2; + fuse_mount_compat1; + fuse_new_compat1; + fuse_new_compat2; + fuse_process_cmd; + fuse_read_cmd; + fuse_set_getcontext_func; + fuse_setup_compat2; +}; + +FUSE_2.4 { + global: + fuse_add_dirent; + fuse_chan_bufsize; + fuse_chan_data; + fuse_chan_destroy; + fuse_chan_fd; + fuse_chan_receive; + fuse_chan_send; + fuse_chan_session; + fuse_dirent_size; + fuse_kern_chan_new; + fuse_lowlevel_is_lib_option; + fuse_reply_attr; + fuse_reply_buf; + fuse_reply_entry; + fuse_reply_err; + fuse_reply_none; + fuse_reply_readlink; + fuse_reply_write; + fuse_reply_xattr; + fuse_req_userdata; + fuse_session_add_chan; + fuse_session_destroy; + fuse_session_exit; + fuse_session_exited; + fuse_session_loop; + fuse_session_loop_mt; + fuse_session_new; + fuse_session_next_chan; + fuse_session_process; + fuse_session_reset; +} FUSE_2.2; + +FUSE_2.5 { + global: + fuse_lowlevel_new_compat; + fuse_main_real_compat22; + fuse_mount_compat22; + fuse_new_compat22; + fuse_opt_parse; + fuse_opt_add_opt; + fuse_opt_add_arg; + fuse_opt_free_args; + fuse_opt_match; + fuse_parse_cmdline; + fuse_remove_signal_handlers; + fuse_reply_create; + fuse_reply_open; + fuse_reply_open_compat; + fuse_reply_statfs; + fuse_reply_statfs_compat; + fuse_setup_compat22; + fuse_set_signal_handlers; +} FUSE_2.4; + +FUSE_2.6 { + global: + fuse_add_direntry; + fuse_chan_new; + fuse_chan_new_compat24; + fuse_chan_recv; + fuse_daemonize; + fuse_get_session; + fuse_interrupted; + fuse_lowlevel_new; + fuse_lowlevel_new_compat25; + fuse_main_real; + fuse_main_real_compat25; + fuse_mount; + fuse_mount_compat25; + fuse_new; + fuse_new_compat25; + fuse_opt_insert_arg; + fuse_reply_lock; + fuse_req_interrupt_func; + fuse_req_interrupted; + fuse_session_remove_chan; + fuse_setup; + fuse_setup_compat25; + fuse_teardown; + fuse_teardown_compat22; + fuse_unmount; + fuse_unmount_compat22; +} FUSE_2.5; + +FUSE_2.7 { + global: + fuse_fs_access; + fuse_fs_bmap; + fuse_fs_chmod; + fuse_fs_chown; + fuse_fs_create; + fuse_fs_destroy; + fuse_fs_fgetattr; + fuse_fs_flush; + fuse_fs_fsync; + fuse_fs_fsyncdir; + fuse_fs_ftruncate; + fuse_fs_getattr; + fuse_fs_getxattr; + fuse_fs_init; + fuse_fs_link; + fuse_fs_listxattr; + fuse_fs_lock; + fuse_fs_mkdir; + fuse_fs_mknod; + fuse_fs_new; + fuse_fs_open; + fuse_fs_opendir; + fuse_fs_read; + fuse_fs_readdir; + fuse_fs_readlink; + fuse_fs_release; + fuse_fs_releasedir; + fuse_fs_removexattr; + fuse_fs_rename; + fuse_fs_rmdir; + fuse_fs_setxattr; + fuse_fs_statfs; + fuse_fs_symlink; + fuse_fs_truncate; + fuse_fs_unlink; + fuse_fs_utimens; + fuse_fs_write; + fuse_register_module; + fuse_reply_iov; + fuse_version; +} FUSE_2.6; + +FUSE_2.7.5 { + global: + fuse_reply_bmap; +} FUSE_2.7; + +FUSE_2.8 { + global: + cuse_lowlevel_new; + cuse_lowlevel_main; + cuse_lowlevel_setup; + cuse_lowlevel_teardown; + fuse_fs_ioctl; + fuse_fs_poll; + fuse_get_context; + fuse_getgroups; + fuse_lowlevel_notify_inval_entry; + fuse_lowlevel_notify_inval_inode; + fuse_lowlevel_notify_poll; + fuse_notify_poll; + fuse_opt_add_opt_escaped; + fuse_pollhandle_destroy; + fuse_reply_ioctl; + fuse_reply_ioctl_iov; + fuse_reply_ioctl_retry; + fuse_reply_poll; + fuse_req_ctx; + fuse_req_getgroups; + fuse_session_data; +} FUSE_2.7.5; + +FUSE_2.9 { + global: + fuse_buf_copy; + fuse_buf_size; + fuse_fs_read_buf; + fuse_fs_write_buf; + fuse_lowlevel_notify_retrieve; + fuse_lowlevel_notify_store; + fuse_reply_data; + fuse_session_process_buf; + fuse_session_receive_buf; + fuse_start_cleanup_thread; + fuse_stop_cleanup_thread; + fuse_clean_cache; + fuse_lowlevel_notify_delete; + fuse_fs_flock; +} FUSE_2.8; + +FUSE_2.9.1 { + global: + fuse_fs_fallocate; + + local: + *; +} FUSE_2.9; diff --git a/fuse/fusexmp.c b/fuse/fusexmp.c deleted file mode 100644 index d4edbc9ae..000000000 --- a/fuse/fusexmp.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - FUSE: Filesystem in Userspace - Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu> - - This program can be distributed under the terms of the GNU GPL. - See the file COPYING. - - gcc -Wall `pkg-config fuse --cflags --libs` fusexmp.c -o fusexmp -*/ - -#define FUSE_USE_VERSION 26 - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#ifdef linux -/* For pread()/pwrite() */ -#define _XOPEN_SOURCE 500 -#endif - -#include <fuse.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <dirent.h> -#include <errno.h> -#include <sys/time.h> -#ifdef HAVE_SETXATTR -#include <sys/xattr.h> -#endif - -static int xmp_getattr(const char *path, struct stat *stbuf) -{ - int res; - - res = lstat(path, stbuf); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_access(const char *path, int mask) -{ - int res; - - res = access(path, mask); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_readlink(const char *path, char *buf, size_t size) -{ - int res; - - res = readlink(path, buf, size - 1); - if (res == -1) - return -errno; - - buf[res] = '\0'; - return 0; -} - - -static int xmp_readdir(const char *path, void *buf, fuse_fill_dir_t filler, - off64_t offset, struct fuse_file_info *fi) -{ - DIR *dp; - struct dirent *de; - - (void) offset; - (void) fi; - - dp = opendir(path); - if (dp == NULL) - return -errno; - - while ((de = readdir(dp)) != NULL) { - struct stat st; - memset(&st, 0, sizeof(st)); - st.st_ino = de->d_ino; - st.st_mode = de->d_type << 12; - if (filler(buf, de->d_name, &st, 0)) - break; - } - - closedir(dp); - return 0; -} - -static int xmp_mknod(const char *path, mode_t mode, dev_t rdev) -{ - int res; - - /* On Linux this could just be 'mknod(path, mode, rdev)' but this - is more portable */ - if (S_ISREG(mode)) { - res = open(path, O_CREAT | O_EXCL | O_WRONLY, mode); - if (res >= 0) - res = close(res); - } else if (S_ISFIFO(mode)) - res = mkfifo(path, mode); - else - res = mknod(path, mode, rdev); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_mkdir(const char *path, mode_t mode) -{ - int res; - - res = mkdir(path, mode); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_unlink(const char *path) -{ - int res; - - res = unlink(path); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_rmdir(const char *path) -{ - int res; - - res = rmdir(path); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_symlink(const char *from, const char *to) -{ - int res; - - res = symlink(from, to); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_rename(const char *from, const char *to) -{ - int res; - - res = rename(from, to); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_link(const char *from, const char *to) -{ - int res; - - res = link(from, to); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_chmod(const char *path, mode_t mode) -{ - int res; - - res = chmod(path, mode); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_chown(const char *path, uid_t uid, gid_t gid) -{ - int res; - - res = lchown(path, uid, gid); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_truncate(const char *path, off64_t size) -{ - int res; - - res = truncate(path, size); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_utimens(const char *path, const struct timespec ts[2]) -{ - int res; - struct timeval tv[2]; - - tv[0].tv_sec = ts[0].tv_sec; - tv[0].tv_usec = ts[0].tv_nsec / 1000; - tv[1].tv_sec = ts[1].tv_sec; - tv[1].tv_usec = ts[1].tv_nsec / 1000; - - res = utimes(path, tv); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_open(const char *path, struct fuse_file_info *fi) -{ - int res; - - res = open(path, fi->flags); - if (res == -1) - return -errno; - - close(res); - return 0; -} - -static int xmp_read(const char *path, char *buf, size_t size, off64_t offset, - struct fuse_file_info *fi) -{ - int fd; - int res; - - (void) fi; - fd = open(path, O_RDONLY); - if (fd == -1) - return -errno; - - res = pread(fd, buf, size, offset); - if (res == -1) - res = -errno; - - close(fd); - return res; -} - -static int xmp_write(const char *path, const char *buf, size_t size, - off64_t offset, struct fuse_file_info *fi) -{ - int fd; - int res; - - (void) fi; - fd = open(path, O_WRONLY); - if (fd == -1) - return -errno; - - res = pwrite(fd, buf, size, offset); - if (res == -1) - res = -errno; - - close(fd); - return res; -} - -static int xmp_statfs(const char *path, struct statvfs *stbuf) -{ - int res; - - //res = statvfs(path, stbuf); - if (res == -1) - return -errno; - - return 0; -} - -static int xmp_release(const char *path, struct fuse_file_info *fi) -{ - /* Just a stub. This method is optional and can safely be left - unimplemented */ - - (void) path; - (void) fi; - return 0; -} - -static int xmp_fsync(const char *path, int isdatasync, - struct fuse_file_info *fi) -{ - /* Just a stub. This method is optional and can safely be left - unimplemented */ - - (void) path; - (void) isdatasync; - (void) fi; - return 0; -} - -#ifdef HAVE_SETXATTR -/* xattr operations are optional and can safely be left unimplemented */ -static int xmp_setxattr(const char *path, const char *name, const char *value, - size_t size, int flags) -{ - int res = lsetxattr(path, name, value, size, flags); - if (res == -1) - return -errno; - return 0; -} - -static int xmp_getxattr(const char *path, const char *name, char *value, - size_t size) -{ - int res = lgetxattr(path, name, value, size); - if (res == -1) - return -errno; - return res; -} - -static int xmp_listxattr(const char *path, char *list, size_t size) -{ - int res = llistxattr(path, list, size); - if (res == -1) - return -errno; - return res; -} - -static int xmp_removexattr(const char *path, const char *name) -{ - int res = lremovexattr(path, name); - if (res == -1) - return -errno; - return 0; -} -#endif /* HAVE_SETXATTR */ - -static struct fuse_operations xmp_oper = { - .getattr = xmp_getattr, - .access = xmp_access, - .readlink = xmp_readlink, - .readdir = xmp_readdir, - .mknod = xmp_mknod, - .mkdir = xmp_mkdir, - .symlink = xmp_symlink, - .unlink = xmp_unlink, - .rmdir = xmp_rmdir, - .rename = xmp_rename, - .link = xmp_link, - .chmod = xmp_chmod, - .chown = xmp_chown, - .truncate = xmp_truncate, - .utimens = xmp_utimens, - .open = xmp_open, - .read = xmp_read, - .write = xmp_write, - .statfs = xmp_statfs, - .release = xmp_release, - .fsync = xmp_fsync, -#ifdef HAVE_SETXATTR - .setxattr = xmp_setxattr, - .getxattr = xmp_getxattr, - .listxattr = xmp_listxattr, - .removexattr = xmp_removexattr, -#endif -}; - -int main(int argc, char *argv[]) -{ - umask(0); - return fuse_main(argc, argv, &xmp_oper, NULL); -} diff --git a/fuse/helper.c b/fuse/helper.c index ace19dd70..c5349bfc0 100644 --- a/fuse/helper.c +++ b/fuse/helper.c @@ -249,10 +249,12 @@ struct fuse_chan *fuse_mount(const char *mountpoint, struct fuse_args *args) static void fuse_unmount_common(const char *mountpoint, struct fuse_chan *ch) { - int fd = ch ? fuse_chan_fd(ch) : -1; - fuse_kern_unmount(mountpoint, fd); - if (ch) - fuse_chan_destroy(ch); + if (mountpoint) { + int fd = ch ? fuse_chan_clearfd(ch) : -1; + fuse_kern_unmount(mountpoint, fd); + if (ch) + fuse_chan_destroy(ch); + } } void fuse_unmount(const char *mountpoint, struct fuse_chan *ch) @@ -434,10 +436,10 @@ int fuse_mount_compat1(const char *mountpoint, const char *args[]) return fuse_mount_compat22(mountpoint, NULL); } -FUSE_SYMVER(".symver fuse_setup_compat2,__fuse_setup@"); +FUSE_SYMVER(".symver fuse_setup_compat2,__fuse_setup@FUSE_UNVERSIONED"); FUSE_SYMVER(".symver fuse_setup_compat22,fuse_setup@FUSE_2.2"); -FUSE_SYMVER(".symver fuse_teardown,__fuse_teardown@"); -FUSE_SYMVER(".symver fuse_main_compat2,fuse_main@"); +FUSE_SYMVER(".symver fuse_teardown,__fuse_teardown@FUSE_UNVERSIONED"); +FUSE_SYMVER(".symver fuse_main_compat2,fuse_main@FUSE_UNVERSIONED"); FUSE_SYMVER(".symver fuse_main_real_compat22,fuse_main_real@FUSE_2.2"); #endif /* __FreeBSD__ || __NetBSD__ */ diff --git a/fuse/include/Makefile b/fuse/include/Makefile deleted file mode 100644 index 43fd00aa8..000000000 --- a/fuse/include/Makefile +++ /dev/null @@ -1,515 +0,0 @@ -# Makefile.in generated by automake 1.11.1 from Makefile.am. -# include/Makefile. 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Generated from configure.in by autoheader. */ - -/* Define to 1 if you have the <dlfcn.h> header file. */ -#undef HAVE_DLFCN_H - -/* Define to 1 if you have the `fdatasync' function. */ -#undef HAVE_FDATASYNC - -/* Define to 1 if you have the `fork' function. */ -#undef HAVE_FORK - -/* Define if you have the iconv() function and it works. */ -#undef HAVE_ICONV - -/* Define to 1 if you have the <inttypes.h> header file. */ -#undef HAVE_INTTYPES_H - -/* Define to 1 if you have the <memory.h> header file. */ -#undef HAVE_MEMORY_H - -/* Define to 1 if you have the `setxattr' function. */ -#undef HAVE_SETXATTR - -/* Define to 1 if you have the <stdint.h> header file. */ -#undef HAVE_STDINT_H - -/* Define to 1 if you have the <stdlib.h> header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if you have the <strings.h> header file. */ -#undef HAVE_STRINGS_H - -/* Define to 1 if you have the <string.h> header file. */ -#undef HAVE_STRING_H - -/* Define to 1 if `st_atim' is member of `struct stat'. */ -#undef HAVE_STRUCT_STAT_ST_ATIM - -/* Define to 1 if `st_atimespec' is member of `struct stat'. */ -#undef HAVE_STRUCT_STAT_ST_ATIMESPEC - -/* Define to 1 if you have the <sys/stat.h> header file. */ -#undef HAVE_SYS_STAT_H - -/* Define to 1 if you have the <sys/types.h> header file. */ -#undef HAVE_SYS_TYPES_H - -/* Define to 1 if you have the <unistd.h> header file. */ -#undef HAVE_UNISTD_H - -/* Define as const if the declaration of iconv() needs const. */ -#undef ICONV_CONST - -/* Don't update /etc/mtab */ -#undef IGNORE_MTAB - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#undef LT_OBJDIR - -/* Define to 1 if your C compiler doesn't accept -c and -o together. */ -#undef NO_MINUS_C_MINUS_O - -/* Name of package */ -#undef PACKAGE - -/* Define to the address where bug reports for this package should be sent. */ -#undef PACKAGE_BUGREPORT - -/* Define to the full name of this package. */ -#undef PACKAGE_NAME - -/* Define to the full name and version of this package. */ -#undef PACKAGE_STRING - -/* Define to the one symbol short name of this package. */ -#undef PACKAGE_TARNAME - -/* Define to the version of this package. */ -#undef PACKAGE_VERSION - -/* Define to 1 if you have the ANSI C header files. */ -#undef STDC_HEADERS - -/* Version number of package */ -#undef VERSION diff --git a/fuse/include/cuse_lowlevel.h b/fuse/include/cuse_lowlevel.h index d628eac4e..fb445a773 100644 --- a/fuse/include/cuse_lowlevel.h +++ b/fuse/include/cuse_lowlevel.h @@ -51,9 +51,9 @@ struct cuse_lowlevel_ops { void (*init_done) (void *userdata); void (*destroy) (void *userdata); void (*open) (fuse_req_t req, struct fuse_file_info *fi); - void (*read) (fuse_req_t req, size_t size, off64_t off, + void (*read) (fuse_req_t req, size_t size, loff_t off, struct fuse_file_info *fi); - void (*write) (fuse_req_t req, const char *buf, size_t size, off64_t off, + void (*write) (fuse_req_t req, const char *buf, size_t size, loff_t off, struct fuse_file_info *fi); void (*flush) (fuse_req_t req, struct fuse_file_info *fi); void (*release) (fuse_req_t req, struct fuse_file_info *fi); diff --git a/fuse/include/fuse.h b/fuse/include/fuse.h index cad816cc4..b82325ec2 100644 --- a/fuse/include/fuse.h +++ b/fuse/include/fuse.h @@ -30,9 +30,11 @@ #include <utime.h> #include <sys/types.h> #include <sys/stat.h> +#if defined(__ANDROID__) +#include <pthread.h> +#endif #include <sys/statvfs.h> #include <sys/uio.h> -#include <pthread.h> #ifdef __cplusplus extern "C" { @@ -57,7 +59,7 @@ struct fuse_cmd; * @return 1 if buffer is full, zero otherwise */ typedef int (*fuse_fill_dir_t) (void *buf, const char *name, - const struct stat *stbuf, off64_t off); + const struct stat *stbuf, loff_t off); /* Used by deprecated getdir() method */ typedef struct fuse_dirhandle *fuse_dirh_t; @@ -146,7 +148,7 @@ struct fuse_operations { int (*chown) (const char *, uid_t, gid_t); /** Change the size of a file */ - int (*truncate) (const char *, off64_t); + int (*truncate) (const char *, loff_t); /** Change the access and/or modification times of a file * @@ -184,7 +186,7 @@ struct fuse_operations { * * Changed in version 2.2 */ - int (*read) (const char *, char *, size_t, off64_t, + int (*read) (const char *, char *, size_t, loff_t, struct fuse_file_info *); /** Write data to an open file @@ -195,7 +197,7 @@ struct fuse_operations { * * Changed in version 2.2 */ - int (*write) (const char *, const char *, size_t, off64_t, + int (*write) (const char *, const char *, size_t, loff_t, struct fuse_file_info *); /** Get file system statistics @@ -302,7 +304,7 @@ struct fuse_operations { * * Introduced in version 2.3 */ - int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t, + int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t, struct fuse_file_info *); /** Release directory @@ -380,7 +382,7 @@ struct fuse_operations { * * Introduced in version 2.5 */ - int (*ftruncate) (const char *, off64_t, struct fuse_file_info *); + int (*ftruncate) (const char *, loff_t, struct fuse_file_info *); /** * Get attributes from an open file @@ -501,6 +503,9 @@ struct fuse_operations { * _IOC_READ in area and if both are set in/out area. In all * non-NULL cases, the area is of _IOC_SIZE(cmd) bytes. * + * If flags has FUSE_IOCTL_DIR then the fuse_file_info refers to a + * directory file handle. + * * Introduced in version 2.8 */ int (*ioctl) (const char *, int cmd, void *arg, @@ -534,7 +539,7 @@ struct fuse_operations { * * Introduced in version 2.9 */ - int (*write_buf) (const char *, struct fuse_bufvec *buf, off64_t off, + int (*write_buf) (const char *, struct fuse_bufvec *buf, loff_t off, struct fuse_file_info *); /** Store data from an open file in a buffer @@ -554,7 +559,7 @@ struct fuse_operations { * Introduced in version 2.9 */ int (*read_buf) (const char *, struct fuse_bufvec **bufp, - size_t size, off64_t off, struct fuse_file_info *); + size_t size, loff_t off, struct fuse_file_info *); /** * Perform BSD file locking operation * @@ -587,7 +592,7 @@ struct fuse_operations { * * Introduced in version 2.9.1 */ - int (*fallocate) (const char *, int, off64_t, off64_t, + int (*fallocate) (const char *, int, loff_t, loff_t, struct fuse_file_info *); }; @@ -827,14 +832,14 @@ int fuse_fs_release(struct fuse_fs *fs, const char *path, int fuse_fs_open(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_read(struct fuse_fs *fs, const char *path, char *buf, size_t size, - off64_t off, struct fuse_file_info *fi); + loff_t off, struct fuse_file_info *fi); int fuse_fs_read_buf(struct fuse_fs *fs, const char *path, - struct fuse_bufvec **bufp, size_t size, off64_t off, + struct fuse_bufvec **bufp, size_t size, loff_t off, struct fuse_file_info *fi); int fuse_fs_write(struct fuse_fs *fs, const char *path, const char *buf, - size_t size, off64_t off, struct fuse_file_info *fi); + size_t size, loff_t off, struct fuse_file_info *fi); int fuse_fs_write_buf(struct fuse_fs *fs, const char *path, - struct fuse_bufvec *buf, off64_t off, + struct fuse_bufvec *buf, loff_t off, struct fuse_file_info *fi); int fuse_fs_fsync(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi); @@ -844,7 +849,7 @@ int fuse_fs_statfs(struct fuse_fs *fs, const char *path, struct statvfs *buf); int fuse_fs_opendir(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi); int fuse_fs_readdir(struct fuse_fs *fs, const char *path, void *buf, - fuse_fill_dir_t filler, off64_t off, + fuse_fill_dir_t filler, loff_t off, struct fuse_file_info *fi); int fuse_fs_fsyncdir(struct fuse_fs *fs, const char *path, int datasync, struct fuse_file_info *fi); @@ -858,8 +863,8 @@ int fuse_fs_flock(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, int op); int fuse_fs_chmod(struct fuse_fs *fs, const char *path, mode_t mode); int fuse_fs_chown(struct fuse_fs *fs, const char *path, uid_t uid, gid_t gid); -int fuse_fs_truncate(struct fuse_fs *fs, const char *path, off64_t size); -int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, off64_t size, +int fuse_fs_truncate(struct fuse_fs *fs, const char *path, loff_t size); +int fuse_fs_ftruncate(struct fuse_fs *fs, const char *path, loff_t size, struct fuse_file_info *fi); int fuse_fs_utimens(struct fuse_fs *fs, const char *path, const struct timespec tv[2]); @@ -885,7 +890,7 @@ int fuse_fs_poll(struct fuse_fs *fs, const char *path, struct fuse_file_info *fi, struct fuse_pollhandle *ph, unsigned *reventsp); int fuse_fs_fallocate(struct fuse_fs *fs, const char *path, int mode, - off64_t offset, off64_t length, struct fuse_file_info *fi); + loff_t offset, loff_t length, struct fuse_file_info *fi); void fuse_fs_init(struct fuse_fs *fs, struct fuse_conn_info *conn); void fuse_fs_destroy(struct fuse_fs *fs); diff --git a/fuse/include/fuse_common.h b/fuse/include/fuse_common.h index dab3a569a..f08778bd1 100644 --- a/fuse/include/fuse_common.h +++ b/fuse/include/fuse_common.h @@ -28,7 +28,7 @@ #define FUSE_MAKE_VERSION(maj, min) ((maj) * 10 + (min)) #define FUSE_VERSION FUSE_MAKE_VERSION(FUSE_MAJOR_VERSION, FUSE_MINOR_VERSION) -/* This interface uses 64 bit off64_t */ +/* This interface uses 64 bit off_t */ #if _FILE_OFFSET_BITS != 64 #error Please add -D_FILE_OFFSET_BITS=64 to your compile flags! #endif @@ -372,7 +372,7 @@ struct fuse_buf { * * Used if FUSE_BUF_FD_SEEK flag is set. */ - off64_t pos; + loff_t pos; }; /** diff --git a/fuse/include/fuse_compat.h b/fuse/include/fuse_compat.h index d09323844..b825deebf 100644 --- a/fuse/include/fuse_compat.h +++ b/fuse/include/fuse_compat.h @@ -9,6 +9,8 @@ /* these definitions provide source compatibility to prior versions. Do not include this file directly! */ +#include "fuse_lowlevel.h" + struct fuse_operations_compat25 { int (*getattr) (const char *, struct stat *); int (*readlink) (const char *, char *, size_t); @@ -22,12 +24,12 @@ struct fuse_operations_compat25 { int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); - int (*truncate) (const char *, off64_t); + int (*truncate) (const char *, loff_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, struct fuse_file_info *); - int (*read) (const char *, char *, size_t, off64_t, + int (*read) (const char *, char *, size_t, loff_t, struct fuse_file_info *); - int (*write) (const char *, const char *, size_t, off64_t, + int (*write) (const char *, const char *, size_t, loff_t, struct fuse_file_info *); int (*statfs) (const char *, struct statvfs *); int (*flush) (const char *, struct fuse_file_info *); @@ -38,7 +40,7 @@ struct fuse_operations_compat25 { int (*listxattr) (const char *, char *, size_t); int (*removexattr) (const char *, const char *); int (*opendir) (const char *, struct fuse_file_info *); - int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t, + int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t, struct fuse_file_info *); int (*releasedir) (const char *, struct fuse_file_info *); int (*fsyncdir) (const char *, int, struct fuse_file_info *); @@ -46,7 +48,7 @@ struct fuse_operations_compat25 { void (*destroy) (void *); int (*access) (const char *, int); int (*create) (const char *, mode_t, struct fuse_file_info *); - int (*ftruncate) (const char *, off64_t, struct fuse_file_info *); + int (*ftruncate) (const char *, loff_t, struct fuse_file_info *); int (*fgetattr) (const char *, struct stat *, struct fuse_file_info *); }; @@ -81,12 +83,12 @@ struct fuse_operations_compat22 { int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); - int (*truncate) (const char *, off64_t); + int (*truncate) (const char *, loff_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, struct fuse_file_info_compat *); - int (*read) (const char *, char *, size_t, off64_t, + int (*read) (const char *, char *, size_t, loff_t, struct fuse_file_info_compat *); - int (*write) (const char *, const char *, size_t, off64_t, + int (*write) (const char *, const char *, size_t, loff_t, struct fuse_file_info_compat *); int (*statfs) (const char *, struct statfs *); int (*flush) (const char *, struct fuse_file_info_compat *); @@ -97,7 +99,7 @@ struct fuse_operations_compat22 { int (*listxattr) (const char *, char *, size_t); int (*removexattr) (const char *, const char *); int (*opendir) (const char *, struct fuse_file_info_compat *); - int (*readdir) (const char *, void *, fuse_fill_dir_t, off64_t, + int (*readdir) (const char *, void *, fuse_fill_dir_t, loff_t, struct fuse_file_info_compat *); int (*releasedir) (const char *, struct fuse_file_info_compat *); int (*fsyncdir) (const char *, int, struct fuse_file_info_compat *); @@ -132,11 +134,11 @@ struct fuse_operations_compat2 { int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); - int (*truncate) (const char *, off64_t); + int (*truncate) (const char *, loff_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, int); - int (*read) (const char *, char *, size_t, off64_t); - int (*write) (const char *, const char *, size_t, off64_t); + int (*read) (const char *, char *, size_t, loff_t); + int (*write) (const char *, const char *, size_t, loff_t); int (*statfs) (const char *, struct statfs *); int (*flush) (const char *); int (*release) (const char *, int); @@ -180,11 +182,11 @@ struct fuse_operations_compat1 { int (*link) (const char *, const char *); int (*chmod) (const char *, mode_t); int (*chown) (const char *, uid_t, gid_t); - int (*truncate) (const char *, off64_t); + int (*truncate) (const char *, loff_t); int (*utime) (const char *, struct utimbuf *); int (*open) (const char *, int); - int (*read) (const char *, char *, size_t, off64_t); - int (*write) (const char *, const char *, size_t, off64_t); + int (*read) (const char *, char *, size_t, loff_t); + int (*write) (const char *, const char *, size_t, loff_t); int (*statfs) (struct fuse_statfs_compat1 *); int (*release) (const char *, int); int (*fsync) (const char *, int); diff --git a/fuse/include/fuse_lowlevel.h b/fuse/include/fuse_lowlevel.h index 36cf26ddf..6971f732e 100644 --- a/fuse/include/fuse_lowlevel.h +++ b/fuse/include/fuse_lowlevel.h @@ -462,7 +462,7 @@ struct fuse_lowlevel_ops { * @param off offset to read from * @param fi file information */ - void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info *fi); /** @@ -489,7 +489,7 @@ struct fuse_lowlevel_ops { * @param fi file information */ void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, - size_t size, off64_t off, struct fuse_file_info *fi); + size_t size, loff_t off, struct fuse_file_info *fi); /** * Flush method @@ -612,7 +612,7 @@ struct fuse_lowlevel_ops { * @param off offset to continue reading the directory stream * @param fi file information */ - void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info *fi); /** @@ -941,7 +941,7 @@ struct fuse_lowlevel_ops { * @param fi file information */ void (*write_buf) (fuse_req_t req, fuse_ino_t ino, - struct fuse_bufvec *bufv, off64_t off, + struct fuse_bufvec *bufv, loff_t off, struct fuse_file_info *fi); /** @@ -959,7 +959,7 @@ struct fuse_lowlevel_ops { * @param bufv the buffer containing the returned data */ void (*retrieve_reply) (fuse_req_t req, void *cookie, fuse_ino_t ino, - off64_t offset, struct fuse_bufvec *bufv); + loff_t offset, struct fuse_bufvec *bufv); /** * Forget about multiple inodes @@ -1015,7 +1015,7 @@ struct fuse_lowlevel_ops { * see fallocate(2) */ void (*fallocate) (fuse_req_t req, fuse_ino_t ino, int mode, - off64_t offset, off64_t length, struct fuse_file_info *fi); + loff_t offset, loff_t length, struct fuse_file_info *fi); }; /** @@ -1249,7 +1249,7 @@ int fuse_reply_bmap(fuse_req_t req, uint64_t idx); */ size_t fuse_add_direntry(fuse_req_t req, char *buf, size_t bufsize, const char *name, const struct stat *stbuf, - off64_t off); + loff_t off); /** * Reply to ask for data fetch and output buffer preparation. ioctl @@ -1329,12 +1329,16 @@ int fuse_lowlevel_notify_poll(struct fuse_pollhandle *ph); * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_inval_inode(struct fuse_chan *ch, fuse_ino_t ino, - off64_t off, off64_t len); + loff_t off, loff_t len); /** * Notify to invalidate parent attributes and the dentry matching * parent/name * + * To avoid a deadlock don't call this function from a filesystem operation and + * don't call it with a lock held that can also be held by a filesystem + * operation. + * * @param ch the channel through which to send the invalidation * @param parent inode number * @param name file name @@ -1349,6 +1353,10 @@ int fuse_lowlevel_notify_inval_entry(struct fuse_chan *ch, fuse_ino_t parent, * parent/name if the dentry's inode number matches child (otherwise it * will invalidate the matching dentry). * + * To avoid a deadlock don't call this function from a filesystem operation and + * don't call it with a lock held that can also be held by a filesystem + * operation. + * * @param ch the channel through which to send the notification * @param parent inode number * @param child inode number @@ -1382,7 +1390,7 @@ int fuse_lowlevel_notify_delete(struct fuse_chan *ch, * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino, - off64_t offset, struct fuse_bufvec *bufv, + loff_t offset, struct fuse_bufvec *bufv, enum fuse_buf_copy_flags flags); /** * Retrieve data from the kernel buffers @@ -1410,7 +1418,7 @@ int fuse_lowlevel_notify_store(struct fuse_chan *ch, fuse_ino_t ino, * @return zero for success, -errno for failure */ int fuse_lowlevel_notify_retrieve(struct fuse_chan *ch, fuse_ino_t ino, - size_t size, off64_t offset, void *cookie); + size_t size, loff_t offset, void *cookie); /* ----------------------------------------------------------- * diff --git a/fuse/include/fuse_lowlevel_compat.h b/fuse/include/fuse_lowlevel_compat.h index 78b7c2bd0..f13adbdf3 100644 --- a/fuse/include/fuse_lowlevel_compat.h +++ b/fuse/include/fuse_lowlevel_compat.h @@ -9,6 +9,8 @@ /* these definitions provide source compatibility to prior versions. Do not include this file directly! */ +#include "fuse_common.h" + struct fuse_lowlevel_ops_compat25 { void (*init) (void *userdata); void (*destroy) (void *userdata); @@ -33,10 +35,10 @@ struct fuse_lowlevel_ops_compat25 { const char *newname); void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); - void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info *fi); void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, - size_t size, off64_t off, struct fuse_file_info *fi); + size_t size, loff_t off, struct fuse_file_info *fi); void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); void (*release) (fuse_req_t req, fuse_ino_t ino, @@ -45,7 +47,7 @@ struct fuse_lowlevel_ops_compat25 { struct fuse_file_info *fi); void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); - void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info *fi); void (*releasedir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info *fi); @@ -70,7 +72,7 @@ struct fuse_session *fuse_lowlevel_new_compat25(struct fuse_args *args, size_t fuse_dirent_size(size_t namelen); char *fuse_add_dirent(char *buf, const char *name, const struct stat *stbuf, - off64_t off); + loff_t off); #if !defined(__FreeBSD__) && !defined(__NetBSD__) @@ -100,10 +102,10 @@ struct fuse_lowlevel_ops_compat { const char *newname); void (*open) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); - void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*read) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info_compat *fi); void (*write) (fuse_req_t req, fuse_ino_t ino, const char *buf, - size_t size, off64_t off, struct fuse_file_info_compat *fi); + size_t size, loff_t off, struct fuse_file_info_compat *fi); void (*flush) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); void (*release) (fuse_req_t req, fuse_ino_t ino, @@ -112,7 +114,7 @@ struct fuse_lowlevel_ops_compat { struct fuse_file_info_compat *fi); void (*opendir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); - void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, off64_t off, + void (*readdir) (fuse_req_t req, fuse_ino_t ino, size_t size, loff_t off, struct fuse_file_info_compat *fi); void (*releasedir) (fuse_req_t req, fuse_ino_t ino, struct fuse_file_info_compat *fi); diff --git a/fuse/include/stamp-h1 b/fuse/include/stamp-h1 deleted file mode 100644 index b330768e9..000000000 --- a/fuse/include/stamp-h1 +++ /dev/null @@ -1 +0,0 @@ -timestamp for include/config.h diff --git a/fuse/include/sys/statvfs.h b/fuse/include/sys/statvfs.h deleted file mode 100644 index 6e3e39fd5..000000000 --- a/fuse/include/sys/statvfs.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef __STATVFS_H -#define __STATVFS_H - -struct statvfs { - unsigned long f_bsize; /* file system block size */ - unsigned long f_frsize; /* fragment size */ - fsblkcnt_t f_blocks; /* size of fs in f_frsize units */ - fsblkcnt_t f_bfree; /* # free blocks */ - fsblkcnt_t f_bavail; /* # free blocks for non-root */ - fsfilcnt_t f_files; /* # inodes */ - fsfilcnt_t f_ffree; /* # free inodes */ - fsfilcnt_t f_favail; /* # free inodes for non-root */ - unsigned long f_fsid; /* file system ID */ - unsigned long f_flag; /* mount flags */ - unsigned long f_namemax; /* maximum filename length */ -}; - -#endif diff --git a/fuse/include/ulockmgr.h b/fuse/include/ulockmgr.h index ad555799f..c3ceef5d0 100644 --- a/fuse/include/ulockmgr.h +++ b/fuse/include/ulockmgr.h @@ -6,6 +6,8 @@ See the file COPYING.LIB. */ +#include "fuse_lowlevel.h" + #include <stdint.h> #include <fcntl.h> #include <sys/types.h> diff --git a/fuse/modules/iconv.c b/fuse/modules/iconv.c new file mode 100644 index 000000000..9b78cfd4b --- /dev/null +++ b/fuse/modules/iconv.c @@ -0,0 +1,739 @@ +/* + fuse iconv module: file name charset conversion + Copyright (C) 2007 Miklos Szeredi <miklos@szeredi.hu> + + This program can be distributed under the terms of the GNU LGPLv2. + See the file COPYING.LIB +*/ + +#define FUSE_USE_VERSION 26 + +#include <fuse.h> +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <string.h> +#include <errno.h> +#include <iconv.h> +#include <pthread.h> +#include <locale.h> +#include <langinfo.h> + +struct iconv { + struct fuse_fs *next; + pthread_mutex_t lock; + char *from_code; + char *to_code; + iconv_t tofs; + iconv_t fromfs; +}; + +struct iconv_dh { + struct iconv *ic; + void *prev_buf; + fuse_fill_dir_t prev_filler; +}; + +static struct iconv *iconv_get(void) +{ + return fuse_get_context()->private_data; +} + +static int iconv_convpath(struct iconv *ic, const char *path, char **newpathp, + int fromfs) +{ + size_t pathlen; + size_t newpathlen; + char *newpath; + size_t plen; + char *p; + size_t res; + int err; + + if (path == NULL) { + *newpathp = NULL; + return 0; + } + + pathlen = strlen(path); + newpathlen = pathlen * 4; + newpath = malloc(newpathlen + 1); + if (!newpath) + return -ENOMEM; + + plen = newpathlen; + p = newpath; + pthread_mutex_lock(&ic->lock); + do { + res = iconv(fromfs ? ic->fromfs : ic->tofs, (char **) &path, + &pathlen, &p, &plen); + if (res == (size_t) -1) { + char *tmp; + size_t inc; + + err = -EILSEQ; + if (errno != E2BIG) + goto err; + + inc = (pathlen + 1) * 4; + newpathlen += inc; + tmp = realloc(newpath, newpathlen + 1); + err = -ENOMEM; + if (!tmp) + goto err; + + p = tmp + (p - newpath); + plen += inc; + newpath = tmp; + } + } while (res == (size_t) -1); + pthread_mutex_unlock(&ic->lock); + *p = '\0'; + *newpathp = newpath; + return 0; + +err: + iconv(fromfs ? ic->fromfs : ic->tofs, NULL, NULL, NULL, NULL); + pthread_mutex_unlock(&ic->lock); + free(newpath); + return err; +} + +static int iconv_getattr(const char *path, struct stat *stbuf) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_getattr(ic->next, newpath, stbuf); + free(newpath); + } + return err; +} + +static int iconv_fgetattr(const char *path, struct stat *stbuf, + struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_fgetattr(ic->next, newpath, stbuf, fi); + free(newpath); + } + return err; +} + +static int iconv_access(const char *path, int mask) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_access(ic->next, newpath, mask); + free(newpath); + } + return err; +} + +static int iconv_readlink(const char *path, char *buf, size_t size) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_readlink(ic->next, newpath, buf, size); + if (!err) { + char *newlink; + err = iconv_convpath(ic, buf, &newlink, 1); + if (!err) { + strncpy(buf, newlink, size - 1); + buf[size - 1] = '\0'; + free(newlink); + } + } + free(newpath); + } + return err; +} + +static int iconv_opendir(const char *path, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_opendir(ic->next, newpath, fi); + free(newpath); + } + return err; +} + +static int iconv_dir_fill(void *buf, const char *name, + const struct stat *stbuf, loff_t off) +{ + struct iconv_dh *dh = buf; + char *newname; + int res = 0; + if (iconv_convpath(dh->ic, name, &newname, 1) == 0) { + res = dh->prev_filler(dh->prev_buf, newname, stbuf, off); + free(newname); + } + return res; +} + +static int iconv_readdir(const char *path, void *buf, fuse_fill_dir_t filler, + loff_t offset, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + struct iconv_dh dh; + dh.ic = ic; + dh.prev_buf = buf; + dh.prev_filler = filler; + err = fuse_fs_readdir(ic->next, newpath, &dh, iconv_dir_fill, + offset, fi); + free(newpath); + } + return err; +} + +static int iconv_releasedir(const char *path, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_releasedir(ic->next, newpath, fi); + free(newpath); + } + return err; +} + +static int iconv_mknod(const char *path, mode_t mode, dev_t rdev) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_mknod(ic->next, newpath, mode, rdev); + free(newpath); + } + return err; +} + +static int iconv_mkdir(const char *path, mode_t mode) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_mkdir(ic->next, newpath, mode); + free(newpath); + } + return err; +} + +static int iconv_unlink(const char *path) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_unlink(ic->next, newpath); + free(newpath); + } + return err; +} + +static int iconv_rmdir(const char *path) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_rmdir(ic->next, newpath); + free(newpath); + } + return err; +} + +static int iconv_symlink(const char *from, const char *to) +{ + struct iconv *ic = iconv_get(); + char *newfrom; + char *newto; + int err = iconv_convpath(ic, from, &newfrom, 0); + if (!err) { + err = iconv_convpath(ic, to, &newto, 0); + if (!err) { + err = fuse_fs_symlink(ic->next, newfrom, newto); + free(newto); + } + free(newfrom); + } + return err; +} + +static int iconv_rename(const char *from, const char *to) +{ + struct iconv *ic = iconv_get(); + char *newfrom; + char *newto; + int err = iconv_convpath(ic, from, &newfrom, 0); + if (!err) { + err = iconv_convpath(ic, to, &newto, 0); + if (!err) { + err = fuse_fs_rename(ic->next, newfrom, newto); + free(newto); + } + free(newfrom); + } + return err; +} + +static int iconv_link(const char *from, const char *to) +{ + struct iconv *ic = iconv_get(); + char *newfrom; + char *newto; + int err = iconv_convpath(ic, from, &newfrom, 0); + if (!err) { + err = iconv_convpath(ic, to, &newto, 0); + if (!err) { + err = fuse_fs_link(ic->next, newfrom, newto); + free(newto); + } + free(newfrom); + } + return err; +} + +static int iconv_chmod(const char *path, mode_t mode) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_chmod(ic->next, newpath, mode); + free(newpath); + } + return err; +} + +static int iconv_chown(const char *path, uid_t uid, gid_t gid) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_chown(ic->next, newpath, uid, gid); + free(newpath); + } + return err; +} + +static int iconv_truncate(const char *path, loff_t size) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_truncate(ic->next, newpath, size); + free(newpath); + } + return err; +} + +static int iconv_ftruncate(const char *path, loff_t size, + struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_ftruncate(ic->next, newpath, size, fi); + free(newpath); + } + return err; +} + +static int iconv_utimens(const char *path, const struct timespec ts[2]) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_utimens(ic->next, newpath, ts); + free(newpath); + } + return err; +} + +static int iconv_create(const char *path, mode_t mode, + struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_create(ic->next, newpath, mode, fi); + free(newpath); + } + return err; +} + +static int iconv_open_file(const char *path, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_open(ic->next, newpath, fi); + free(newpath); + } + return err; +} + +static int iconv_read_buf(const char *path, struct fuse_bufvec **bufp, + size_t size, loff_t offset, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_read_buf(ic->next, newpath, bufp, size, offset, fi); + free(newpath); + } + return err; +} + +static int iconv_write_buf(const char *path, struct fuse_bufvec *buf, + loff_t offset, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_write_buf(ic->next, newpath, buf, offset, fi); + free(newpath); + } + return err; +} + +static int iconv_statfs(const char *path, struct statvfs *stbuf) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_statfs(ic->next, newpath, stbuf); + free(newpath); + } + return err; +} + +static int iconv_flush(const char *path, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_flush(ic->next, newpath, fi); + free(newpath); + } + return err; +} + +static int iconv_release(const char *path, struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_release(ic->next, newpath, fi); + free(newpath); + } + return err; +} + +static int iconv_fsync(const char *path, int isdatasync, + struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_fsync(ic->next, newpath, isdatasync, fi); + free(newpath); + } + return err; +} + +static int iconv_fsyncdir(const char *path, int isdatasync, + struct fuse_file_info *fi) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_fsyncdir(ic->next, newpath, isdatasync, fi); + free(newpath); + } + return err; +} + +static int iconv_setxattr(const char *path, const char *name, + const char *value, size_t size, int flags) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_setxattr(ic->next, newpath, name, value, size, + flags); + free(newpath); + } + return err; +} + +static int iconv_getxattr(const char *path, const char *name, char *value, + size_t size) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_getxattr(ic->next, newpath, name, value, size); + free(newpath); + } + return err; +} + +static int iconv_listxattr(const char *path, char *list, size_t size) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_listxattr(ic->next, newpath, list, size); + free(newpath); + } + return err; +} + +static int iconv_removexattr(const char *path, const char *name) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_removexattr(ic->next, newpath, name); + free(newpath); + } + return err; +} + +static int iconv_lock(const char *path, struct fuse_file_info *fi, int cmd, + struct flock *lock) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_lock(ic->next, newpath, fi, cmd, lock); + free(newpath); + } + return err; +} + +static int iconv_flock(const char *path, struct fuse_file_info *fi, int op) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_flock(ic->next, newpath, fi, op); + free(newpath); + } + return err; +} + +static int iconv_bmap(const char *path, size_t blocksize, uint64_t *idx) +{ + struct iconv *ic = iconv_get(); + char *newpath; + int err = iconv_convpath(ic, path, &newpath, 0); + if (!err) { + err = fuse_fs_bmap(ic->next, newpath, blocksize, idx); + free(newpath); + } + return err; +} + +static void *iconv_init(struct fuse_conn_info *conn) +{ + struct iconv *ic = iconv_get(); + fuse_fs_init(ic->next, conn); + return ic; +} + +static void iconv_destroy(void *data) +{ + struct iconv *ic = data; + fuse_fs_destroy(ic->next); + iconv_close(ic->tofs); + iconv_close(ic->fromfs); + pthread_mutex_destroy(&ic->lock); + free(ic->from_code); + free(ic->to_code); + free(ic); +} + +static const struct fuse_operations iconv_oper = { + .destroy = iconv_destroy, + .init = iconv_init, + .getattr = iconv_getattr, + .fgetattr = iconv_fgetattr, + .access = iconv_access, + .readlink = iconv_readlink, + .opendir = iconv_opendir, + .readdir = iconv_readdir, + .releasedir = iconv_releasedir, + .mknod = iconv_mknod, + .mkdir = iconv_mkdir, + .symlink = iconv_symlink, + .unlink = iconv_unlink, + .rmdir = iconv_rmdir, + .rename = iconv_rename, + .link = iconv_link, + .chmod = iconv_chmod, + .chown = iconv_chown, + .truncate = iconv_truncate, + .ftruncate = iconv_ftruncate, + .utimens = iconv_utimens, + .create = iconv_create, + .open = iconv_open_file, + .read_buf = iconv_read_buf, + .write_buf = iconv_write_buf, + .statfs = iconv_statfs, + .flush = iconv_flush, + .release = iconv_release, + .fsync = iconv_fsync, + .fsyncdir = iconv_fsyncdir, + .setxattr = iconv_setxattr, + .getxattr = iconv_getxattr, + .listxattr = iconv_listxattr, + .removexattr = iconv_removexattr, + .lock = iconv_lock, + .flock = iconv_flock, + .bmap = iconv_bmap, + + .flag_nullpath_ok = 1, + .flag_nopath = 1, +}; + +static const struct fuse_opt iconv_opts[] = { + FUSE_OPT_KEY("-h", 0), + FUSE_OPT_KEY("--help", 0), + { "from_code=%s", offsetof(struct iconv, from_code), 0 }, + { "to_code=%s", offsetof(struct iconv, to_code), 1 }, + FUSE_OPT_END +}; + +static void iconv_help(void) +{ + char *old = strdup(setlocale(LC_CTYPE, "")); + char *charmap = strdup(nl_langinfo(CODESET)); + setlocale(LC_CTYPE, old); + free(old); + fprintf(stderr, +" -o from_code=CHARSET original encoding of file names (default: UTF-8)\n" +" -o to_code=CHARSET new encoding of the file names (default: %s)\n", + charmap); + free(charmap); +} + +static int iconv_opt_proc(void *data, const char *arg, int key, + struct fuse_args *outargs) +{ + (void) data; (void) arg; (void) outargs; + + if (!key) { + iconv_help(); + return -1; + } + + return 1; +} + +static struct fuse_fs *iconv_new(struct fuse_args *args, + struct fuse_fs *next[]) +{ + struct fuse_fs *fs; + struct iconv *ic; + char *old = NULL; + const char *from; + const char *to; + + ic = calloc(1, sizeof(struct iconv)); + if (ic == NULL) { + fprintf(stderr, "fuse-iconv: memory allocation failed\n"); + return NULL; + } + + if (fuse_opt_parse(args, ic, iconv_opts, iconv_opt_proc) == -1) + goto out_free; + + if (!next[0] || next[1]) { + fprintf(stderr, "fuse-iconv: exactly one next filesystem required\n"); + goto out_free; + } + + from = ic->from_code ? ic->from_code : "UTF-8"; + to = ic->to_code ? ic->to_code : ""; + /* FIXME: detect charset equivalence? */ + if (!to[0]) + old = strdup(setlocale(LC_CTYPE, "")); + ic->tofs = iconv_open(from, to); + if (ic->tofs == (iconv_t) -1) { + fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n", + to, from); + goto out_free; + } + ic->fromfs = iconv_open(to, from); + if (ic->tofs == (iconv_t) -1) { + fprintf(stderr, "fuse-iconv: cannot convert from %s to %s\n", + from, to); + goto out_iconv_close_to; + } + if (old) { + setlocale(LC_CTYPE, old); + free(old); + } + + ic->next = next[0]; + fs = fuse_fs_new(&iconv_oper, sizeof(iconv_oper), ic); + if (!fs) + goto out_iconv_close_from; + + return fs; + +out_iconv_close_from: + iconv_close(ic->fromfs); +out_iconv_close_to: + iconv_close(ic->tofs); +out_free: + free(ic->from_code); + free(ic->to_code); + free(ic); + if (old) { + setlocale(LC_CTYPE, old); + free(old); + } + return NULL; +} + +FUSE_REGISTER_MODULE(iconv, iconv_new); diff --git a/fuse/modules/subdir.c b/fuse/modules/subdir.c new file mode 100644 index 000000000..05b3379af --- /dev/null +++ b/fuse/modules/subdir.c @@ -0,0 +1,697 @@ +/* + fuse subdir module: offset paths with a base directory + Copyright (C) 2007 Miklos Szeredi <miklos@szeredi.hu> + + This program can be distributed under the terms of the GNU LGPLv2. + See the file COPYING.LIB +*/ + +#define FUSE_USE_VERSION 26 + +#include <fuse.h> +#include <stdio.h> +#include <stdlib.h> +#include <stddef.h> +#include <string.h> +#include <errno.h> + +struct subdir { + char *base; + size_t baselen; + int rellinks; + struct fuse_fs *next; +}; + +static struct subdir *subdir_get(void) +{ + return fuse_get_context()->private_data; +} + +static int subdir_addpath(struct subdir *d, const char *path, char **newpathp) +{ + char *newpath = NULL; + + if (path != NULL) { + unsigned newlen = d->baselen + strlen(path); + + newpath = malloc(newlen + 2); + if (!newpath) + return -ENOMEM; + + if (path[0] == '/') + path++; + strcpy(newpath, d->base); + strcpy(newpath + d->baselen, path); + if (!newpath[0]) + strcpy(newpath, "."); + } + *newpathp = newpath; + + return 0; +} + +static int subdir_getattr(const char *path, struct stat *stbuf) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_getattr(d->next, newpath, stbuf); + free(newpath); + } + return err; +} + +static int subdir_fgetattr(const char *path, struct stat *stbuf, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_fgetattr(d->next, newpath, stbuf, fi); + free(newpath); + } + return err; +} + +static int subdir_access(const char *path, int mask) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_access(d->next, newpath, mask); + free(newpath); + } + return err; +} + + +static int count_components(const char *p) +{ + int ctr; + + for (; *p == '/'; p++); + for (ctr = 0; *p; ctr++) { + for (; *p && *p != '/'; p++); + for (; *p == '/'; p++); + } + return ctr; +} + +static void strip_common(const char **sp, const char **tp) +{ + const char *s = *sp; + const char *t = *tp; + do { + for (; *s == '/'; s++); + for (; *t == '/'; t++); + *tp = t; + *sp = s; + for (; *s == *t && *s && *s != '/'; s++, t++); + } while ((*s == *t && *s) || (!*s && *t == '/') || (*s == '/' && !*t)); +} + +static void transform_symlink(struct subdir *d, const char *path, + char *buf, size_t size) +{ + const char *l = buf; + size_t llen; + char *s; + int dotdots; + int i; + + if (l[0] != '/' || d->base[0] != '/') + return; + + strip_common(&l, &path); + if (l - buf < (long) d->baselen) + return; + + dotdots = count_components(path); + if (!dotdots) + return; + dotdots--; + + llen = strlen(l); + if (dotdots * 3 + llen + 2 > size) + return; + + s = buf + dotdots * 3; + if (llen) + memmove(s, l, llen + 1); + else if (!dotdots) + strcpy(s, "."); + else + *s = '\0'; + + for (s = buf, i = 0; i < dotdots; i++, s += 3) + memcpy(s, "../", 3); +} + + +static int subdir_readlink(const char *path, char *buf, size_t size) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_readlink(d->next, newpath, buf, size); + if (!err && d->rellinks) + transform_symlink(d, newpath, buf, size); + free(newpath); + } + return err; +} + +static int subdir_opendir(const char *path, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_opendir(d->next, newpath, fi); + free(newpath); + } + return err; +} + +static int subdir_readdir(const char *path, void *buf, + fuse_fill_dir_t filler, loff_t offset, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_readdir(d->next, newpath, buf, filler, offset, + fi); + free(newpath); + } + return err; +} + +static int subdir_releasedir(const char *path, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_releasedir(d->next, newpath, fi); + free(newpath); + } + return err; +} + +static int subdir_mknod(const char *path, mode_t mode, dev_t rdev) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_mknod(d->next, newpath, mode, rdev); + free(newpath); + } + return err; +} + +static int subdir_mkdir(const char *path, mode_t mode) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_mkdir(d->next, newpath, mode); + free(newpath); + } + return err; +} + +static int subdir_unlink(const char *path) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_unlink(d->next, newpath); + free(newpath); + } + return err; +} + +static int subdir_rmdir(const char *path) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_rmdir(d->next, newpath); + free(newpath); + } + return err; +} + +static int subdir_symlink(const char *from, const char *path) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_symlink(d->next, from, newpath); + free(newpath); + } + return err; +} + +static int subdir_rename(const char *from, const char *to) +{ + struct subdir *d = subdir_get(); + char *newfrom; + char *newto; + int err = subdir_addpath(d, from, &newfrom); + if (!err) { + err = subdir_addpath(d, to, &newto); + if (!err) { + err = fuse_fs_rename(d->next, newfrom, newto); + free(newto); + } + free(newfrom); + } + return err; +} + +static int subdir_link(const char *from, const char *to) +{ + struct subdir *d = subdir_get(); + char *newfrom; + char *newto; + int err = subdir_addpath(d, from, &newfrom); + if (!err) { + err = subdir_addpath(d, to, &newto); + if (!err) { + err = fuse_fs_link(d->next, newfrom, newto); + free(newto); + } + free(newfrom); + } + return err; +} + +static int subdir_chmod(const char *path, mode_t mode) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_chmod(d->next, newpath, mode); + free(newpath); + } + return err; +} + +static int subdir_chown(const char *path, uid_t uid, gid_t gid) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_chown(d->next, newpath, uid, gid); + free(newpath); + } + return err; +} + +static int subdir_truncate(const char *path, loff_t size) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_truncate(d->next, newpath, size); + free(newpath); + } + return err; +} + +static int subdir_ftruncate(const char *path, loff_t size, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_ftruncate(d->next, newpath, size, fi); + free(newpath); + } + return err; +} + +static int subdir_utimens(const char *path, const struct timespec ts[2]) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_utimens(d->next, newpath, ts); + free(newpath); + } + return err; +} + +static int subdir_create(const char *path, mode_t mode, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_create(d->next, newpath, mode, fi); + free(newpath); + } + return err; +} + +static int subdir_open(const char *path, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_open(d->next, newpath, fi); + free(newpath); + } + return err; +} + +static int subdir_read_buf(const char *path, struct fuse_bufvec **bufp, + size_t size, loff_t offset, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_read_buf(d->next, newpath, bufp, size, offset, fi); + free(newpath); + } + return err; +} + +static int subdir_write_buf(const char *path, struct fuse_bufvec *buf, + loff_t offset, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_write_buf(d->next, newpath, buf, offset, fi); + free(newpath); + } + return err; +} + +static int subdir_statfs(const char *path, struct statvfs *stbuf) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_statfs(d->next, newpath, stbuf); + free(newpath); + } + return err; +} + +static int subdir_flush(const char *path, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_flush(d->next, newpath, fi); + free(newpath); + } + return err; +} + +static int subdir_release(const char *path, struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_release(d->next, newpath, fi); + free(newpath); + } + return err; +} + +static int subdir_fsync(const char *path, int isdatasync, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_fsync(d->next, newpath, isdatasync, fi); + free(newpath); + } + return err; +} + +static int subdir_fsyncdir(const char *path, int isdatasync, + struct fuse_file_info *fi) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_fsyncdir(d->next, newpath, isdatasync, fi); + free(newpath); + } + return err; +} + +static int subdir_setxattr(const char *path, const char *name, + const char *value, size_t size, int flags) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_setxattr(d->next, newpath, name, value, size, + flags); + free(newpath); + } + return err; +} + +static int subdir_getxattr(const char *path, const char *name, char *value, + size_t size) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_getxattr(d->next, newpath, name, value, size); + free(newpath); + } + return err; +} + +static int subdir_listxattr(const char *path, char *list, size_t size) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_listxattr(d->next, newpath, list, size); + free(newpath); + } + return err; +} + +static int subdir_removexattr(const char *path, const char *name) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_removexattr(d->next, newpath, name); + free(newpath); + } + return err; +} + +static int subdir_lock(const char *path, struct fuse_file_info *fi, int cmd, + struct flock *lock) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_lock(d->next, newpath, fi, cmd, lock); + free(newpath); + } + return err; +} + +static int subdir_flock(const char *path, struct fuse_file_info *fi, int op) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_flock(d->next, newpath, fi, op); + free(newpath); + } + return err; +} + +static int subdir_bmap(const char *path, size_t blocksize, uint64_t *idx) +{ + struct subdir *d = subdir_get(); + char *newpath; + int err = subdir_addpath(d, path, &newpath); + if (!err) { + err = fuse_fs_bmap(d->next, newpath, blocksize, idx); + free(newpath); + } + return err; +} + +static void *subdir_init(struct fuse_conn_info *conn) +{ + struct subdir *d = subdir_get(); + fuse_fs_init(d->next, conn); + return d; +} + +static void subdir_destroy(void *data) +{ + struct subdir *d = data; + fuse_fs_destroy(d->next); + free(d->base); + free(d); +} + +static const struct fuse_operations subdir_oper = { + .destroy = subdir_destroy, + .init = subdir_init, + .getattr = subdir_getattr, + .fgetattr = subdir_fgetattr, + .access = subdir_access, + .readlink = subdir_readlink, + .opendir = subdir_opendir, + .readdir = subdir_readdir, + .releasedir = subdir_releasedir, + .mknod = subdir_mknod, + .mkdir = subdir_mkdir, + .symlink = subdir_symlink, + .unlink = subdir_unlink, + .rmdir = subdir_rmdir, + .rename = subdir_rename, + .link = subdir_link, + .chmod = subdir_chmod, + .chown = subdir_chown, + .truncate = subdir_truncate, + .ftruncate = subdir_ftruncate, + .utimens = subdir_utimens, + .create = subdir_create, + .open = subdir_open, + .read_buf = subdir_read_buf, + .write_buf = subdir_write_buf, + .statfs = subdir_statfs, + .flush = subdir_flush, + .release = subdir_release, + .fsync = subdir_fsync, + .fsyncdir = subdir_fsyncdir, + .setxattr = subdir_setxattr, + .getxattr = subdir_getxattr, + .listxattr = subdir_listxattr, + .removexattr = subdir_removexattr, + .lock = subdir_lock, + .flock = subdir_flock, + .bmap = subdir_bmap, + + .flag_nullpath_ok = 1, + .flag_nopath = 1, +}; + +static const struct fuse_opt subdir_opts[] = { + FUSE_OPT_KEY("-h", 0), + FUSE_OPT_KEY("--help", 0), + { "subdir=%s", offsetof(struct subdir, base), 0 }, + { "rellinks", offsetof(struct subdir, rellinks), 1 }, + { "norellinks", offsetof(struct subdir, rellinks), 0 }, + FUSE_OPT_END +}; + +static void subdir_help(void) +{ + fprintf(stderr, +" -o subdir=DIR prepend this directory to all paths (mandatory)\n" +" -o [no]rellinks transform absolute symlinks to relative\n"); +} + +static int subdir_opt_proc(void *data, const char *arg, int key, + struct fuse_args *outargs) +{ + (void) data; (void) arg; (void) outargs; + + if (!key) { + subdir_help(); + return -1; + } + + return 1; +} + +static struct fuse_fs *subdir_new(struct fuse_args *args, + struct fuse_fs *next[]) +{ + struct fuse_fs *fs; + struct subdir *d; + + d = calloc(1, sizeof(struct subdir)); + if (d == NULL) { + fprintf(stderr, "fuse-subdir: memory allocation failed\n"); + return NULL; + } + + if (fuse_opt_parse(args, d, subdir_opts, subdir_opt_proc) == -1) + goto out_free; + + if (!next[0] || next[1]) { + fprintf(stderr, "fuse-subdir: exactly one next filesystem required\n"); + goto out_free; + } + + if (!d->base) { + fprintf(stderr, "fuse-subdir: missing 'subdir' option\n"); + goto out_free; + } + + if (d->base[0] && d->base[strlen(d->base)-1] != '/') { + char *tmp = realloc(d->base, strlen(d->base) + 2); + if (!tmp) { + fprintf(stderr, "fuse-subdir: memory allocation failed\n"); + goto out_free; + } + d->base = tmp; + strcat(d->base, "/"); + } + d->baselen = strlen(d->base); + d->next = next[0]; + fs = fuse_fs_new(&subdir_oper, sizeof(subdir_oper), d); + if (!fs) + goto out_free; + return fs; + +out_free: + free(d->base); + free(d); + return NULL; +} + +FUSE_REGISTER_MODULE(subdir, subdir_new); diff --git a/fuse/mount.c b/fuse/mount.c index af7218fa4..eb0bb17d3 100644 --- a/fuse/mount.c +++ b/fuse/mount.c @@ -36,13 +36,16 @@ #define MS_SYNCHRONOUS MNT_SYNCHRONOUS #define MS_NOATIME MNT_NOATIME - #define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0) #endif #define FUSERMOUNT_PROG "fusermount" #define FUSE_COMMFD_ENV "_FUSE_COMMFD" +#if defined(__ANDROID__) && !defined(FUSERMOUNT_DIR) +# define FUSERMOUNT_DIR "/system/xbin" +#endif + #ifndef HAVE_FORK #define fork() vfork() #endif @@ -138,7 +141,6 @@ static void mount_help(void) "\n"); } -#define FUSERMOUNT_DIR "/usr/bin" static void exec_fusermount(const char *argv[]) { execv(FUSERMOUNT_DIR "/" FUSERMOUNT_PROG, (char **) argv); @@ -302,14 +304,18 @@ void fuse_kern_unmount(const char *mountpoint, int fd) pfd.fd = fd; pfd.events = 0; res = poll(&pfd, 1, 0); + + /* Need to close file descriptor, otherwise synchronous umount + would recurse into filesystem, and deadlock. + + Caller expects fuse_kern_unmount to close the fd, so close it + anyway. */ + close(fd); + /* If file poll returns POLLERR on the device file descriptor, then the filesystem is already unmounted */ if (res == 1 && (pfd.revents & POLLERR)) return; - - /* Need to close file descriptor, otherwise synchronous umount - would recurse into filesystem, and deadlock */ - close(fd); } if (geteuid() == 0) { @@ -465,7 +471,7 @@ static int fuse_mount_sys(const char *mnt, struct mount_opts *mo, return -1; } - snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%i,group_id=%i", + snprintf(tmp, sizeof(tmp), "fd=%i,rootmode=%o,user_id=%u,group_id=%u", fd, stbuf.st_mode & S_IFMT, getuid(), getgid()); res = fuse_opt_add_opt(&mo->kernel_opts, tmp); diff --git a/fuse/mount_bsd.c b/fuse/mount_bsd.c index 62443ac25..3aec3e3eb 100644 --- a/fuse/mount_bsd.c +++ b/fuse/mount_bsd.c @@ -228,18 +228,21 @@ void fuse_kern_unmount(const char *mountpoint, int fd) (void)mountpoint; if (fstat(fd, &sbuf) == -1) - return; + goto out; devname_r(sbuf.st_rdev, S_IFCHR, dev, 128); if (strncmp(dev, "fuse", 4)) - return; + goto out; strtol(dev + 4, &ep, 10); if (*ep != '\0') - return; + goto out; do_unmount(dev, fd); + +out: + close(fd); } /* Check if kernel is doing init in background */ diff --git a/fuse/mount_util.c b/fuse/mount_util.c index bfd801fff..020b223dc 100644 --- a/fuse/mount_util.c +++ b/fuse/mount_util.c @@ -16,16 +16,23 @@ #include <errno.h> #include <fcntl.h> #include <limits.h> -#include <mntent.h> #include <paths.h> +#ifndef __NetBSD__ +#include <mntent.h> +#endif #include <sys/stat.h> #include <sys/wait.h> #include <sys/mount.h> #include <sys/param.h> +#if defined(__ANDROID__) +#include <paths.h> +#endif #ifdef __NetBSD__ #define umount2(mnt, flags) unmount(mnt, (flags == 2) ? MNT_FORCE : 0) #define mtab_needs_update(mnt) 0 +#elif defined(__ANDROID__) +#define mtab_needs_update(mnt) 0 #else static int mtab_needs_update(const char *mnt) { @@ -94,10 +101,12 @@ static int add_mount(const char *progname, const char *fsname, goto out_restore; } if (res == 0) { + char *env = NULL; + sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); - execl("/bin/mount", "/bin/mount", "--no-canonicalize", "-i", - "-f", "-t", type, "-o", opts, fsname, mnt, NULL); + execle("/bin/mount", "/bin/mount", "--no-canonicalize", "-i", + "-f", "-t", type, "-o", opts, fsname, mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/mount: %s\n", progname, strerror(errno)); exit(1); @@ -145,10 +154,17 @@ static int exec_umount(const char *progname, const char *rel_mnt, int lazy) goto out_restore; } if (res == 0) { + char *env = NULL; + sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); - execl("/bin/umount", "/bin/umount", "-i", rel_mnt, - lazy ? "-l" : NULL, NULL); + if (lazy) { + execle("/bin/umount", "/bin/umount", "-i", rel_mnt, + "-l", NULL, &env); + } else { + execle("/bin/umount", "/bin/umount", "-i", rel_mnt, + NULL, &env); + } fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); @@ -204,10 +220,12 @@ static int remove_mount(const char *progname, const char *mnt) goto out_restore; } if (res == 0) { + char *env = NULL; + sigprocmask(SIG_SETMASK, &oldmask, NULL); setuid(geteuid()); - execl("/bin/umount", "/bin/umount", "--no-canonicalize", "-i", - "--fake", mnt, NULL); + execle("/bin/umount", "/bin/umount", "--no-canonicalize", "-i", + "--fake", mnt, NULL, &env); fprintf(stderr, "%s: failed to execute /bin/umount: %s\n", progname, strerror(errno)); exit(1); @@ -300,7 +318,7 @@ char *fuse_mnt_resolve_path(const char *progname, const char *orig) } int fuse_mnt_check_empty(const char *progname, const char *mnt, - mode_t rootmode, off64_t rootsize) + mode_t rootmode, loff_t rootsize) { int isempty = 1; diff --git a/fuse/mount_util.h b/fuse/mount_util.h index f89c1154d..0e0f564d7 100644 --- a/fuse/mount_util.h +++ b/fuse/mount_util.h @@ -15,5 +15,5 @@ int fuse_mnt_umount(const char *progname, const char *abs_mnt, const char *rel_mnt, int lazy); char *fuse_mnt_resolve_path(const char *progname, const char *orig); int fuse_mnt_check_empty(const char *progname, const char *mnt, - mode_t rootmode, off64_t rootsize); + mode_t rootmode, loff_t rootsize); int fuse_mnt_check_fuseblk(void); diff --git a/fuse/ulockmgr.c b/fuse/ulockmgr.c index f0523ae70..ebd68c6a7 100644 --- a/fuse/ulockmgr.c +++ b/fuse/ulockmgr.c @@ -356,10 +356,10 @@ static uint32_t owner_hash(const unsigned char *id, size_t id_len) static int ulockmgr_canonicalize(int fd, struct flock *lock) { - off64_t offset; + loff_t offset; if (lock->l_whence == SEEK_CUR) { offset = lseek(fd, 0, SEEK_CUR); - if (offset == (off64_t) -1) + if (offset == (loff_t) -1) return -errno; } else if (lock->l_whence == SEEK_END) { struct stat stbuf; |