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Revert "dm: only run the queue on completion if congested or no requests pending"
[cascardo/linux.git]
/
drivers
/
md
/
dm.c
diff --git
a/drivers/md/dm.c
b/drivers/md/dm.c
index
f331d88
..
de70377
100644
(file)
--- a/
drivers/md/dm.c
+++ b/
drivers/md/dm.c
@@
-1067,13
+1067,10
@@
static void rq_end_stats(struct mapped_device *md, struct request *orig)
*/
static void rq_completed(struct mapped_device *md, int rw, bool run_queue)
{
*/
static void rq_completed(struct mapped_device *md, int rw, bool run_queue)
{
- int nr_requests_pending;
-
atomic_dec(&md->pending[rw]);
/* nudge anyone waiting on suspend queue */
atomic_dec(&md->pending[rw]);
/* nudge anyone waiting on suspend queue */
- nr_requests_pending = md_in_flight(md);
- if (!nr_requests_pending)
+ if (!md_in_flight(md))
wake_up(&md->wait);
/*
wake_up(&md->wait);
/*
@@
-1085,8
+1082,7
@@
static void rq_completed(struct mapped_device *md, int rw, bool run_queue)
if (run_queue) {
if (md->queue->mq_ops)
blk_mq_run_hw_queues(md->queue, true);
if (run_queue) {
if (md->queue->mq_ops)
blk_mq_run_hw_queues(md->queue, true);
- else if (!nr_requests_pending ||
- (nr_requests_pending >= md->queue->nr_congestion_on))
+ else
blk_run_queue_async(md->queue);
}
blk_run_queue_async(md->queue);
}