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jbd2: make sure ESHUTDOWN to be recorded in the journal superblock 

Commit fb7c02445c ("ext4: pass -ESHUTDOWN code to jbd2 layer") want
to allow jbd2 layer to distinguish shutdown journal abort from other
error cases. So the ESHUTDOWN should be taken precedence over any other
errno which has already been recoded after EXT4_FLAGS_SHUTDOWN is set,
but it only update errno in the journal suoerblock now if the old errno
is 0.

Fixes: fb7c02445c ("ext4: pass -ESHUTDOWN code to jbd2 layer")
Signed-off-by: zhangyi (F) <yi.zhang@huawei.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20191204124614.45424-4-yi.zhang@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
alistair/sensors
zhangyi (F) 2019-12-04 20:46:13 +08:00 committed by Theodore Ts'o
parent 51f57b01e4
commit 0e98c084a2
1 changed files with 1 additions and 2 deletions
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3
fs/jbd2/journal.c
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@ -2147,8 +2147,7 @@ static void __journal_abort_soft (journal_t *journal, int errno)
if (journal->j_flags & JBD2_ABORT) {
write_unlock(&journal->j_state_lock);
if (!old_errno && old_errno != -ESHUTDOWN &&
errno == -ESHUTDOWN)
if (old_errno != -ESHUTDOWN && errno == -ESHUTDOWN)
jbd2_journal_update_sb_errno(journal);
return;
}