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| author | Chao Yu <yuchao0@huawei.com> | 2018-04-10 09:43:09 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-05-30 17:58:59 +0200 |
| commit | cba608493d3d5d54da4b7dd67868f88c43dfbd35 (patch) | |
| tree | 85bb8f3287d4236c1602d7b58452ad1280c8e309 /fs/f2fs/segment.c | |
| parent | f2fs: don't split checkpoint in fstrim (diff) | |
| download | linux-cba608493d3d5d54da4b7dd67868f88c43dfbd35.tar.xz linux-cba608493d3d5d54da4b7dd67868f88c43dfbd35.zip | |
f2fs: turn down IO priority of discard from background
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>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/segment.c')
| -rw-r--r-- | fs/f2fs/segment.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 3db035bf7203..bef74d628f66 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -931,6 +931,7 @@ static void __init_discard_policy(struct f2fs_sb_info *sbi, dpolicy->min_interval = DEF_MIN_DISCARD_ISSUE_TIME; dpolicy->max_interval = DEF_MAX_DISCARD_ISSUE_TIME; dpolicy->io_aware = true; + dpolicy->sync = false; if (utilization(sbi) > DEF_DISCARD_URGENT_UTIL) { dpolicy->granularity = 1; dpolicy->max_interval = DEF_MIN_DISCARD_ISSUE_TIME; |