* [PATCH] f2fs: turn down IO priority of discard from background
@ 2018-04-10 7:26 ` Chao Yu
0 siblings, 0 replies; 2+ messages 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 related [flat|nested] 2+ messages in thread
* [PATCH] f2fs: turn down IO priority of discard from background
@ 2018-04-10 7:26 ` Chao Yu
0 siblings, 0 replies; 2+ messages 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 related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2018-04-10 7:26 UTC | newest]
Thread overview: 2+ messages (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
2018-04-10 7:26 ` Chao Yu
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.