From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ming Lei Subject: [PATCH 2/5] dm-mpath: return DM_MAPIO_REQUEUE in case of rq allocation failure Date: Sat, 16 Sep 2017 00:44:53 +0800 Message-ID: <20170915164456.9803-3-ming.lei@redhat.com> References: <20170915164456.9803-1-ming.lei@redhat.com> Return-path: In-Reply-To: <20170915164456.9803-1-ming.lei@redhat.com> Sender: linux-block-owner@vger.kernel.org To: dm-devel@redhat.com, Mike Snitzer , Jens Axboe Cc: linux-block@vger.kernel.org, Christoph Hellwig , Bart Van Assche , Laurence Oberman , Ming Lei List-Id: dm-devel.ids blk-mq will rerun queue via RESTART after one request is completion, so not necessary to wait random time for requeuing, it should trust blk-mq to do it. Signed-off-by: Ming Lei --- drivers/md/dm-mpath.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 96aedaac2c64..f5a1088a6e79 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -505,7 +505,7 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq, atomic_inc(&m->pg_init_in_progress); activate_or_offline_path(pgpath); } - return DM_MAPIO_DELAY_REQUEUE; + return DM_MAPIO_REQUEUE; } clone->bio = clone->biotail = NULL; clone->rq_disk = bdev->bd_disk; -- 2.9.5