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NVMe: Remove the kthread from the wait queue

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Once there are no more bios on the congestion list, we can stop waking
up the nvme kthread every time a completion happens.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
This commit is contained in:
Matthew Wilcox 2011-03-16 16:45:49 -04:00
parent 7523d834dd
commit 3cb967c039
1 changed files with 3 additions and 0 deletions
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3
drivers/block/nvme.c
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@ -1162,6 +1162,9 @@ static void nvme_resubmit_bios(struct nvme_queue *nvmeq)
bio_list_add_head(&nvmeq->sq_cong, bio);
break;
}
if (bio_list_empty(&nvmeq->sq_cong))
remove_wait_queue(&nvmeq->sq_full,
&nvmeq->sq_cong_wait);
}
}