From 78c45607b909fb384c47c134d89b39285a6a8b45 Mon Sep 17 00:00:00 2001 From: Joe Thornber Date: Thu, 11 May 2017 05:09:38 -0400 Subject: [PATCH] dm cache policy smq: be more aggressive about triggering a writeback If there are no clean entries to demote we really want to writeback immediately. Signed-off-by: Joe Thornber Signed-off-by: Mike Snitzer --- drivers/md/dm-cache-policy-smq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c index a177559f2049..5aa8f43856c5 100644 --- a/drivers/md/dm-cache-policy-smq.c +++ b/drivers/md/dm-cache-policy-smq.c @@ -1192,7 +1192,7 @@ static void queue_demotion(struct smq_policy *mq) e = q_peek(&mq->clean, mq->clean.nr_levels / 2, true); if (!e) { - if (!clean_target_met(mq, false)) + if (!clean_target_met(mq, true)) queue_writeback(mq); return; }