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authorTheodore Ts'o <tytso@mit.edu>2012-08-05 19:04:57 -0400
committerTheodore Ts'o <tytso@mit.edu>2012-08-05 19:04:57 -0400
commitd796c52ef0b71a988364f6109aeb63d79c5b116b (patch)
tree657ec500327ce4095000d74e9d826c2073b9dc6d /kernel/tsacct.c
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
downloadlinux-d796c52ef0b71a988364f6109aeb63d79c5b116b.tar.bz2
ext4: make sure the journal sb is written in ext4_clear_journal_err()
After we transfer set the EXT4_ERROR_FS bit in the file system superblock, it's not enough to call jbd2_journal_clear_err() to clear the error indication from journal superblock --- we need to call jbd2_journal_update_sb_errno() as well. Otherwise, when the root file system is mounted read-only, the journal is replayed, and the error indicator is transferred to the superblock --- but the s_errno field in the jbd2 superblock is left set (since although we cleared it in memory, we never flushed it out to disk). This can end up confusing e2fsck. We should make e2fsck more robust in this case, but the kernel shouldn't be leaving things in this confused state, either. Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: stable@kernel.org
Diffstat (limited to 'kernel/tsacct.c')
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