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authorJens Axboe <axboe@fb.com>2016-08-24 15:54:25 -0600
committerJens Axboe <axboe@fb.com>2016-08-29 08:13:21 -0600
commit27489a3c827b7eebba26eda0320bb0f100bef167 (patch)
tree899f2101b78e5a5bab8121686d6f8576a5dcf940 /block/blk-mq.c
parentee63cfa7fc197b63669623721b8009cce5b0659b (diff)
blk-mq: turn hctx->run_work into a regular work struct
We don't need the larger delayed work struct, since we always run it immediately. Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 13f5a6c1de76..b68fdcbe58f6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -936,8 +936,7 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
put_cpu();
}
- kblockd_schedule_delayed_work_on(blk_mq_hctx_next_cpu(hctx),
- &hctx->run_work, 0);
+ kblockd_schedule_work_on(blk_mq_hctx_next_cpu(hctx), &hctx->run_work);
}
void blk_mq_run_hw_queues(struct request_queue *q, bool async)
@@ -958,7 +957,7 @@ EXPORT_SYMBOL(blk_mq_run_hw_queues);
void blk_mq_stop_hw_queue(struct blk_mq_hw_ctx *hctx)
{
- cancel_delayed_work(&hctx->run_work);
+ cancel_work(&hctx->run_work);
cancel_delayed_work(&hctx->delay_work);
set_bit(BLK_MQ_S_STOPPED, &hctx->state);
}
@@ -1011,7 +1010,7 @@ static void blk_mq_run_work_fn(struct work_struct *work)
{
struct blk_mq_hw_ctx *hctx;
- hctx = container_of(work, struct blk_mq_hw_ctx, run_work.work);
+ hctx = container_of(work, struct blk_mq_hw_ctx, run_work);
__blk_mq_run_hw_queue(hctx);
}
@@ -1722,7 +1721,7 @@ static int blk_mq_init_hctx(struct request_queue *q,
if (node == NUMA_NO_NODE)
node = hctx->numa_node = set->numa_node;
- INIT_DELAYED_WORK(&hctx->run_work, blk_mq_run_work_fn);
+ INIT_WORK(&hctx->run_work, blk_mq_run_work_fn);
INIT_DELAYED_WORK(&hctx->delay_work, blk_mq_delay_work_fn);
spin_lock_init(&hctx->lock);
INIT_LIST_HEAD(&hctx->dispatch);