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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-01-25 10:26:39 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2019-02-04 10:34:05 -0800 |
| commit | 0335a980d2380af9205af73ef2633d7b69960a4d (patch) | |
| tree | a6af757893147bb2c12b0911cc609b4f95bf6c20 | |
| parent | c21ea75cece27778b67f2135742132f2087c7357 (diff) | |
f2fs: don't wake up too frequently, if there is lots of IOs
Otherwise, it wakes up discard thread which will sleep again by busy IOs
in a loop.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/segment.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index a77f76f528b6..5c7ed0442d6e 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -865,7 +865,7 @@ static inline void wake_up_discard_thread(struct f2fs_sb_info *sbi, bool force) } } mutex_unlock(&dcc->cmd_lock); - if (!wakeup) + if (!wakeup || !is_idle(sbi, DISCARD_TIME)) return; wake_up: dcc->discard_wake = 1; |