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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-03-16 23:45:49 +0300 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2011-11-04 23:53:00 +0400 |
| commit | 3cb967c03926edd2c414082f4cc0feb7b372edae (patch) | |
| tree | bb754d4758929d05e161dcafdab2d914b4361c60 /drivers/block/nvme.c | |
| parent | 7523d834dd1573610078eb1ac0933f6490232f90 (diff) | |
| download | linux-3cb967c03926edd2c414082f4cc0feb7b372edae.tar.xz | |
NVMe: Remove the kthread from the wait queue
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>
Diffstat (limited to 'drivers/block/nvme.c')
| -rw-r--r-- | drivers/block/nvme.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/block/nvme.c b/drivers/block/nvme.c index cf89db8c41ee..8d3c0b79ac2b 100644 --- a/drivers/block/nvme.c +++ b/drivers/block/nvme.c @@ -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); } } |