[PATCH 15/16] nvme-multipath: set QUEUE_FLAG_NOWAIT
From: Christoph Hellwig <hch@lst.de>
Date: 2021-06-15 13:15:47
Also in:
linux-fsdevel, linux-nvme
Subsystem:
nvm express driver, the rest · Maintainers:
Keith Busch, Jens Axboe, Christoph Hellwig, Sagi Grimberg, Linus Torvalds
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> Tested-by: Mark Wunderlich <redacted> --- 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 c1b4d627c05b..f77b774699de 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c@@ -449,6 +449,8 @@ int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl, struct nvme_ns_head *head) ctrl->subsys->instance, head->instance); blk_queue_flag_set(QUEUE_FLAG_NONROT, head->disk->queue); + blk_queue_flag_set(QUEUE_FLAG_NOWAIT, head->disk->queue); + /* set to a default value of 512 until the disk is validated */ blk_queue_logical_block_size(head->disk->queue, 512); blk_set_stacking_limits(&head->disk->queue->limits);
--
2.30.2