diff options
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index ad2e0bbeb559..3c5fad7c4ee6 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -892,13 +892,19 @@ static void dm_io_complete(struct dm_io *io) if (unlikely(wq_has_sleeper(&md->wait))) wake_up(&md->wait); - if (io_error == BLK_STS_DM_REQUEUE) { - /* - * Upper layer won't help us poll split bio, io->orig_bio - * may only reflect a subset of the pre-split original, - * so clear REQ_POLLED in case of requeue - */ - bio->bi_opf &= ~REQ_POLLED; + if (io_error == BLK_STS_DM_REQUEUE || io_error == BLK_STS_AGAIN) { + if (bio->bi_opf & REQ_POLLED) { + /* + * Upper layer won't help us poll split bio (io->orig_bio + * may only reflect a subset of the pre-split original) + * so clear REQ_POLLED in case of requeue. + */ + bio->bi_opf &= ~REQ_POLLED; + if (io_error == BLK_STS_AGAIN) { + /* io_uring doesn't handle BLK_STS_AGAIN (yet) */ + queue_io(md, bio); + } + } return; } |