Commit 5a22e2bf authored Oct 18, 2017 by Israel Rukshin Committed by Christoph Hellwig Oct 19, 2017

nvme-fc: 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: Max Gurtovoy <maxg@mellanox.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: James Smart <james.smart@broadcom.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

parent 94f29d4f

drivers/nvme/host/fc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2853,6 +2853,7 @@ nvme_fc_init_ctrl(struct device dev, struct nvmf_ctrl_options opts,
		ctrl->admin_tag_set.driver_data = ctrl;
		ctrl->admin_tag_set.nr_hw_queues = 1;
		ctrl->admin_tag_set.timeout = ADMIN_TIMEOUT;
		ctrl->admin_tag_set.flags = BLK_MQ_F_NO_SCHED;

		ret = blk_mq_alloc_tag_set(&ctrl->admin_tag_set);
		if (ret)

Admin message