From 4d44ec5ab751be63c5d348f13294304d87baa8c3 Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Thu, 11 May 2017 05:11:06 -0400 Subject: dm cache policy smq: put newly promoted entries at the top of the multiqueue This stops entries bouncing in and out of the cache quickly. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer --- drivers/md/dm-cache-policy-smq.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/md/dm-cache-policy-smq.c') diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index 5aa8f43856c5..54421a846a0c 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1452,6 +1452,7 @@ static void __complete_background_work(struct smq_policy *mq, clear_pending(mq, e); if (success) { e->oblock = work->oblock; + e->level = NR_CACHE_LEVELS - 1; push(mq, e); // h, q, a } else { -- cgit v1.2.3