Commit b460866d authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

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: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent b8623253

fs/f2fs/segment.h

+1 −1
Original line number Diff line number Diff line
@@ -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;