Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH v2] f2fs: turn down IO priority of discard from background | Date | Tue, 10 Apr 2018 15:43:09 +0800 |
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In order to avoid interfering normal r/w IO, let's turn down IO priority of discard issued from background.
Signed-off-by: Chao Yu <yuchao0@huawei.com> --- v2: - correct commit message. 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
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