diff options
Diffstat (limited to 'libblkid/reiserfs.c')
| -rw-r--r-- | libblkid/reiserfs.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/libblkid/reiserfs.c b/libblkid/reiserfs.c deleted file mode 100644 index 152571f47..000000000 --- a/libblkid/reiserfs.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (C) 1999, 2001 by Andries Brouwer - * Copyright (C) 1999, 2000, 2003 by Theodore Ts'o - * 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" - -struct reiserfs_super_block { - uint32_t rs_blocks_count; - uint32_t rs_free_blocks; - uint32_t rs_root_block; - uint32_t rs_journal_block; - uint32_t rs_journal_dev; - uint32_t rs_orig_journal_size; - uint32_t rs_dummy2[5]; - uint16_t rs_blocksize; - uint16_t rs_dummy3[3]; - unsigned char rs_magic[12]; - uint32_t rs_dummy4[5]; - unsigned char rs_uuid[16]; - char rs_label[16]; -} __attribute__((packed)); - -struct reiser4_super_block { - unsigned char rs4_magic[16]; - uint16_t rs4_dummy[2]; - unsigned char rs4_uuid[16]; - unsigned char rs4_label[16]; - uint64_t rs4_dummy2; -} __attribute__((packed)); - -static int probe_reiser(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct reiserfs_super_block *rs; - unsigned int blocksize; - - rs = blkid_probe_get_sb(pr, mag, struct reiserfs_super_block); - if (!rs) - return -1; - - blocksize = le16_to_cpu(rs->rs_blocksize); - - /* The blocksize must be at least 512B */ - if ((blocksize >> 9) == 0) - return -BLKID_ERR_PARAM; - - /* If the superblock is inside the journal, we have the wrong one */ - if (mag->kboff / (blocksize >> 9) > le32_to_cpu(rs->rs_journal_block) / 2) - return -BLKID_ERR_BIG; - - /* LABEL/UUID are only valid for later versions of Reiserfs v3.6. */ - if (mag->magic[6] == '2' || mag->magic[6] == '3') { - if (*rs->rs_label) - blkid_probe_set_label(pr, - (unsigned char *) rs->rs_label, - sizeof(rs->rs_label)); - blkid_probe_set_uuid(pr, rs->rs_uuid); - } - - if (mag->magic[6] == '3') - blkid_probe_set_version(pr, "JR"); - else if (mag->magic[6] == '2') - blkid_probe_set_version(pr, "3.6"); - else - blkid_probe_set_version(pr, "3.5"); - - return 0; -} - -static int probe_reiser4(blkid_probe pr, const struct blkid_idmag *mag) -{ - struct reiser4_super_block *rs4; - - rs4 = blkid_probe_get_sb(pr, mag, struct reiser4_super_block); - if (!rs4) - return -1; - - if (*rs4->rs4_label) - blkid_probe_set_label(pr, rs4->rs4_label, sizeof(rs4->rs4_label)); - blkid_probe_set_uuid(pr, rs4->rs4_uuid); - blkid_probe_set_version(pr, "4"); - - return 0; -} - - -const struct blkid_idinfo reiser_idinfo = -{ - .name = "reiserfs", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_reiser, - .minsz = 128 * 1024, - .magics = - { - { .magic = "ReIsErFs", .len = 8, .kboff = 8, .sboff = 0x34 }, - { .magic = "ReIsEr2Fs", .len = 9, .kboff = 64, .sboff = 0x34 }, - { .magic = "ReIsEr3Fs", .len = 9, .kboff = 64, .sboff = 0x34 }, - { .magic = "ReIsErFs", .len = 8, .kboff = 64, .sboff = 0x34 }, - { .magic = "ReIsErFs", .len = 8, .kboff = 8, .sboff = 20 }, - { NULL } - } -}; - -const struct blkid_idinfo reiser4_idinfo = -{ - .name = "reiser4", - .usage = BLKID_USAGE_FILESYSTEM, - .probefunc = probe_reiser4, - .minsz = 128 * 1024, - .magics = - { - { .magic = "ReIsEr4", .len = 7, .kboff = 64 }, - { NULL } - } -}; - - - - |