[PATCH 14/15] nvme-multipath: set QUEUE_FLAG_NOWAIT

Christoph Hellwig
2021-05-12T13:16:58Z

The nvme multipathing code just dispatches bios to one of the blk-mq
based paths and never blocks on its own, so set QUEUE_FLAG_NOWAIT
to support REQ_NOWAIT bios.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
drivers/nvme/host/multipath.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 74455960337b..516fe977606d 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -445,6 +445,8 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head)
if (!q)
goto out;
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
+ blk_queue_flag_set(QUEUE_FLAG_NOWAIT, q);
+
/* set to a default value for 512 until disk is validated */
blk_queue_logical_block_size(q, 512);
blk_set_stacking_limits(&q->limits);
--
2.30.2