[dm-devel] [PATCH 2/5] dm-mpath: return DM_MAPIO_REQUEUE in case of rq allocation failure
Ming Lei
ming.lei at redhat.com
Fri Sep 15 16:44:53 UTC 2017
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 <ming.lei at redhat.com>
---
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
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