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nvme-rdma: Add BLK_MQ_F_NO_SCHED flag to admin tag set 

Since commit b86dd81
"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>
This commit is contained in:
Israel Rukshin 2017-10-18 12:38:24 +00:00 committed by Christoph Hellwig
parent 16772ae6d9
commit 94f29d4f78
1 changed files with 1 additions and 0 deletions
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1
drivers/nvme/host/rdma.c
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@ -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));