diff options
| author | Neeraj Soni <neersoni@codeaurora.org> | 2017-06-06 18:57:07 +0530 |
|---|---|---|
| committer | Neeraj Soni <neersoni@codeaurora.org> | 2017-06-06 18:57:07 +0530 |
| commit | c9762c3c1a12ce24ef8e6e5f3f6f021cefbb9a17 (patch) | |
| tree | 420c90b35c64ad642340ff9b3006d04d509964f8 /drivers/md/dm.c | |
| parent | 8d601310901aec11cc3b8f737a4f3f634aa0a973 (diff) | |
dm: md: Replace scheduling of request with direct call
This is found to be improving the performance of Random
read and write with FDE enabled. The scheduling was
introduced as part of 4.4 kernel for mq support.
Change-Id: I300750b5f7f1cff4b81f028ae938e7d2b3652bd2
Signed-off-by: Neeraj Soni <neersoni@codeaurora.org>
Diffstat (limited to 'drivers/md/dm.c')
| -rw-r--r-- | drivers/md/dm.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 5d42d8f09421..1a7b11d57256 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -2191,8 +2191,11 @@ static void dm_request_fn(struct request_queue *q) tio = tio_from_request(rq); /* Establish tio->ti before queuing work (map_tio_request) */ tio->ti = ti; - queue_kthread_work(&md->kworker, &tio->work); + spin_unlock(q->queue_lock); + if (map_request(tio, rq, md) == DM_MAPIO_REQUEUE) + dm_requeue_original_request(md, rq); BUG_ON(!irqs_disabled()); + spin_lock(q->queue_lock); } goto out; |