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mount: fix the wrongly stored fs creation time

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This bug made our ext2 images non-mountable by ext4 driver.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2012-06-21 16:50:46 +02:00
parent 9ee4266490
commit c9a13116a4
3 changed files with 54 additions and 14 deletions
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30
include/bb_e2fs_defs.h
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@@ -406,25 +406,43 @@ struct ext2_super_block {
* Performance hints. Directory preallocation should only
* happen if the EXT2_FEATURE_COMPAT_DIR_PREALLOC flag is on.
*/
uint8_t s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
uint8_t s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
uint8_t s_prealloc_blocks; /* Nr of blocks to try to preallocate*/
uint8_t s_prealloc_dir_blocks; /* Nr to preallocate for dirs */
uint16_t s_reserved_gdt_blocks; /* Per group table for online growth */
/*
* Journaling support valid if EXT2_FEATURE_COMPAT_HAS_JOURNAL set.
*/
uint8_t s_journal_uuid[16]; /* uuid of journal superblock */
uint32_t s_journal_inum; /* inode number of journal file */
/*D0*/ uint8_t s_journal_uuid[16]; /* uuid of journal superblock */
/*E0*/ uint32_t s_journal_inum; /* inode number of journal file */
uint32_t s_journal_dev; /* device number of journal file */
uint32_t s_last_orphan; /* start of list of inodes to delete */
uint32_t s_hash_seed[4]; /* HTREE hash seed */
uint8_t s_def_hash_version; /* Default hash version to use */
uint8_t s_jnl_backup_type; /* Default type of journal backup */
uint16_t s_reserved_word_pad;
uint32_t s_default_mount_opts;
/*100*/ uint32_t s_default_mount_opts;
uint32_t s_first_meta_bg; /* First metablock group */
/* ext3 additions */
uint32_t s_mkfs_time; /* When the filesystem was created */
uint32_t s_jnl_blocks[17]; /* Backup of the journal inode */
uint32_t s_reserved[172]; /* Padding to the end of the block */
/* 64bit support valid if EXT4_FEATURE_COMPAT_64BIT */
/*150*/ uint32_t s_blocks_count_hi; /* Blocks count */
uint32_t s_r_blocks_count_hi; /* Reserved blocks count */
uint32_t s_free_blocks_count_hi; /* Free blocks count */
uint16_t s_min_extra_isize; /* All inodes have at least # bytes */
uint16_t s_want_extra_isize; /* New inodes should reserve # bytes */
uint32_t s_flags; /* Miscellaneous flags */
uint16_t s_raid_stride; /* RAID stride */
uint16_t s_mmp_interval; /* # seconds to wait in MMP checking */
uint64_t s_mmp_block; /* Block for multi-mount protection */
uint32_t s_raid_stripe_width; /* blocks on all data disks (N*stride)*/
uint8_t s_log_groups_per_flex; /* FLEX_BG group size */
uint8_t s_reserved_char_pad2;
uint16_t s_reserved_pad;
uint32_t s_reserved[162]; /* Padding to the end of the block */
};
struct BUG_ext2_super_block {
char bug[sizeof(struct ext2_super_block) == 1024 ? 1 : -1];
};
/*