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ext4: bail early when clearing inode journal flag fails

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When clearing inode journal flag, we call jbd2_journal_flush() to force
all the journalled data to their final locations. Currently we ignore
when this fails and continue clearing inode journal flag. This isn't a
big problem because when jbd2_journal_flush() fails, journal is likely
aborted anyway. But it can still lead to somewhat confusing results so
rather bail out early.

Coverity-id: 989044
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Jan Kara 2014-10-30 10:53:17 -04:00 committed by Theodore Ts'o
parent 6050d47adc
commit 4f879ca687
1 changed files with 6 additions and 1 deletions
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7
fs/ext4/inode.c
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@ -4959,7 +4959,12 @@ int ext4_change_inode_journal_flag(struct inode *inode, int val)
if (val)
ext4_set_inode_flag(inode, EXT4_INODE_JOURNAL_DATA);
else {
jbd2_journal_flush(journal);
err = jbd2_journal_flush(journal);
if (err < 0) {
jbd2_journal_unlock_updates(journal);
ext4_inode_resume_unlocked_dio(inode);
return err;
}
ext4_clear_inode_flag(inode, EXT4_INODE_JOURNAL_DATA);
}
ext4_set_aops(inode);