Commit 94f29d4f authored Oct 18, 2017 by Israel Rukshin Committed by Christoph Hellwig Oct 19, 2017

nvme-rdma: Add BLK_MQ_F_NO_SCHED flag to admin tag set



Since commit b86dd815
"block: get rid of blk-mq default scheduler choice Kconfig entries",
when setting nr_hw_queues to 1 the admin tag set uses mq-deadline scheduler.
This flag is useful for admin queues that aren't used for normal IO.

Signed-off-by: Israel Rukshin <israelr@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 16772ae6

drivers/nvme/host/rdma.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -699,6 +699,7 @@ static struct blk_mq_tag_set nvme_rdma_alloc_tagset(struct nvme_ctrl nctrl,
		set->driver_data = ctrl;
		set->nr_hw_queues = 1;
		set->timeout = ADMIN_TIMEOUT;
		set->flags = BLK_MQ_F_NO_SCHED;
		} else {
		set = &ctrl->tag_set;
		memset(set, 0, sizeof(*set));

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