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authorJaegeuk Kim <jaegeuk@kernel.org>2019-01-25 10:26:39 -0800
committerJaegeuk Kim <jaegeuk@kernel.org>2019-02-15 20:59:45 -0800
commitb460866d27089ffaf915a5a3340b4d8c9f079d33 (patch)
tree10bfaa2f360c3657a1b5a8edfb0ee08055cc52f3 /fs/f2fs/segment.h
parentb86232536c3ec068b0960ffc62c61a872412b2b7 (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>
Diffstat (limited to 'fs/f2fs/segment.h')
-rw-r--r--fs/f2fs/segment.h2
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;