diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-10-22 18:01:44 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-10-22 18:12:37 +0300 |
| commit | 297db731847e7808881ec2123c7564067d594d39 (patch) | |
| tree | 12c2b8d2a66d27482c1845d506ab5745844b38fa | |
| parent | 8e9f666a6e66d3f882c094646d35536d2759103a (diff) | |
| download | linux-297db731847e7808881ec2123c7564067d594d39.tar.xz | |
block: fix req_bio_endio append error handling
Shinichiro Kawasaki reports that there is a bug in a recent
req_bio_endio() patch causing problems with zonefs. As Shinichiro
suggested, inverse the condition in zone append path to resemble how it
was before: fail when it's not fully completed.
Fixes: 478eb72b815f3 ("block: optimise req_bio_endio()")
Reported-by: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/344ea4e334aace9148b41af5f2426da38c8aa65a.1634914228.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/blk-mq.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index d04ee72ba125..c19dfa8ea65e 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -640,7 +640,7 @@ static void req_bio_endio(struct request *rq, struct bio *bio, * Partial zone append completions cannot be supported as the * BIO fragments may end up not being written sequentially. */ - if (bio->bi_iter.bi_size == nbytes) + if (bio->bi_iter.bi_size != nbytes) bio->bi_status = BLK_STS_IOERR; else bio->bi_iter.bi_sector = rq->__sector; |