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ext4: make sure fs error flag setted before clear journal error 

Now, jounral error number maybe cleared even though ext4_commit_super()
failed. This may lead to error flag miss, then fsck will miss to check
file system deeply.

Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20230307061703.245965-3-yebin@huaweicloud.com
This commit is contained in:
Ye Bin 2023-03-07 14:17:03 +08:00 committed by Theodore Ts'o
parent eee00237fa
commit f57886ca16
1 changed files with 4 additions and 2 deletions
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6
fs/ext4/super.c
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@ -6205,11 +6205,13 @@ static int ext4_clear_journal_err(struct super_block *sb,
errstr = ext4_decode_error(sb, j_errno, nbuf);
ext4_warning(sb, "Filesystem error recorded "
"from previous mount: %s", errstr);
ext4_warning(sb, "Marking fs in need of filesystem check.");
EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
ext4_commit_super(sb);
j_errno = ext4_commit_super(sb);
if (j_errno)
return j_errno;
ext4_warning(sb, "Marked fs in need of filesystem check.");
jbd2_journal_clear_err(journal);
jbd2_journal_update_sb_errno(journal);