diff options
Diffstat (limited to 'libblkid/gfs.c')
| -rw-r--r-- | libblkid/gfs.c | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/libblkid/gfs.c b/libblkid/gfs.c deleted file mode 100644 index b2c016304..000000000 --- a/libblkid/gfs.c +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Copyright (C) 2008 Karel Zak <kzak@redhat.com> - * - * This file may be redistributed under the terms of the - * GNU Lesser General Public License. - */ -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <stdint.h> - -#include "superblocks.h" - -/* Common gfs/gfs2 constants: */ -#define GFS_LOCKNAME_LEN 64 - -/* gfs1 constants: */ -#define GFS_FORMAT_FS 1309 -#define GFS_FORMAT_MULTI 1401 -/* gfs2 constants: */ -#define GFS2_FORMAT_FS 1801 -#define GFS2_FORMAT_MULTI 1900 - -struct gfs2_meta_header { - uint32_t mh_magic; - uint32_t mh_type; - uint64_t __pad0; /* Was generation number in gfs1 */ - uint32_t mh_format; - uint32_t __pad1; /* Was incarnation number in gfs1 */ -}; - -struct gfs2_inum { - uint64_t no_formal_ino; - uint64_t no_addr; -}; - -struct gfs2_sb { - struct gfs2_meta_header sb_header; - - uint32_t sb_fs_format; - uint32_t sb_multihost_format; - uint32_t __pad0; /* Was superblock flags in gfs1 */ - - uint32_t sb_bsize; - uint32_t sb_bsize_shift; - uint32_t __pad1; /* Was journal segment size in gfs1 */ - - struct gfs2_inum sb_master_dir; /* Was jindex dinode in gfs1 */ - struct gfs2_inum __pad2; /* Was rindex dinode in gfs1 */ - struct gfs2_inum sb_root_dir; - - char sb_lockproto[GFS_LOCKNAME_LEN]; - char sb_locktable[GFS_LOCKNAME_LEN]; - - struct gfs2_inum __pad3; /* Was quota inode in gfs1 */ - struct gfs2_inum __pad4; /* Was licence inode in gfs1 */ - uint8_t sb_uuid[16]; /* The UUID maybe 0 for backwards compat */ -} __attribute__((packed)); - -static int probe_gfs(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct gfs2_sb *sbd; - - sbd = blkid_probe_get_sb(pr, mag, struct gfs2_sb); - if (!sbd) - return -1; - - if (be32_to_cpu(sbd->sb_fs_format) == GFS_FORMAT_FS && - be32_to_cpu(sbd->sb_multihost_format) == GFS_FORMAT_MULTI) - { - if (*sbd->sb_locktable) - blkid_probe_set_label(pr, - (unsigned char *) sbd->sb_locktable, - sizeof(sbd->sb_locktable)); - - blkid_probe_set_uuid(pr, sbd->sb_uuid); - return 0; - } - - return -1; -} - -static int probe_gfs2(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct gfs2_sb *sbd; - - sbd = blkid_probe_get_sb(pr, mag, struct gfs2_sb); - if (!sbd) - return -1; - - if (be32_to_cpu(sbd->sb_fs_format) == GFS2_FORMAT_FS && - be32_to_cpu(sbd->sb_multihost_format) == GFS2_FORMAT_MULTI) - { - if (*sbd->sb_locktable) - blkid_probe_set_label(pr, - (unsigned char *) sbd->sb_locktable, - sizeof(sbd->sb_locktable)); - blkid_probe_set_uuid(pr, sbd->sb_uuid); - blkid_probe_set_version(pr, "1"); - return 0; - } - return -1; -} - -const struct blkid_idinfo gfs_idinfo = -{ - .name = "gfs", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_gfs, - .minsz = 32 * 1024 * 1024, /* minimal size of GFS journal */ - .magics = - { - { .magic = "\x01\x16\x19\x70", .len = 4, .kboff = 64 }, - { NULL } - } -}; - -const struct blkid_idinfo gfs2_idinfo = -{ - .name = "gfs2", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_gfs2, - .minsz = 32 * 1024 * 1024, /* minimal size of GFS journal */ - .magics = - { - { .magic = "\x01\x16\x19\x70", .len = 4, .kboff = 64 }, - { NULL } - } -}; - |