From 8ee18ede74328906b692403fadb2658cf56f26b3 Mon Sep 17 00:00:00 2001
From: Joe Thornber <ejt@redhat.com>
Date: Thu, 9 Nov 2017 11:16:56 -0500
Subject: [PATCH] dm cache policy smq: change max background work from 10240 to
4096 blocks
Git-commit: 8ee18ede74328906b692403fadb2658cf56f26b3
Patch-mainline: v4.15-rc1
References: bsc#1093023
10240 blocks was too much, lowering this reduces the latency of copying
and consumes less memory.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Coly Li <colyli@suse.de>
---
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 99fae819a0e7..58be846ba5b9 100644
--- a/drivers/md/dm-cache-policy-smq.c
+++ b/drivers/md/dm-cache-policy-smq.c
@@ -1789,7 +1789,7 @@ static struct dm_cache_policy *__smq_create(dm_cblock_t cache_size,
mq->next_hotspot_period = jiffies;
mq->next_cache_period = jiffies;
- mq->bg_work = btracker_create(10240); /* FIXME: hard coded value */
+ mq->bg_work = btracker_create(4096); /* FIXME: hard coded value */
if (!mq->bg_work)
goto bad_btracker;
--
2.16.3