LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
* [PATCH] f2fs: turn down IO priority of discard from background
@ 2018-04-10  7:26 Chao Yu
  0 siblings, 0 replies; only message in thread
From: Chao Yu @ 2018-04-10  7:26 UTC (permalink / raw)
  To: jaegeuk; +Cc: linux-f2fs-devel, linux-kernel, chao, Chao Yu

In order to interfere normal r/w IO, let's turn down IO priority of
discard issued from background.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
---
 fs/f2fs/segment.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index aabe0d6b8307..5e708debeb9c 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1723,6 +1723,7 @@ void init_discard_policy(struct discard_policy *dpolicy,
 		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
 		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
 		dpolicy->io_aware = true;
+		dpolicy->sync = false;
 	} else if (discard_type == DPOLICY_FORCE) {
 		dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME;
 		dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME;
-- 
2.15.0.55.gc2ece9dc4de6

^ permalink raw reply	[flat|nested] only message in thread

only message in thread, other threads:[~2018-04-10  7:26 UTC | newest]

Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2018-04-10  7:26 [PATCH] f2fs: turn down IO priority of discard from background Chao Yu

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).