This helps to control the frequency of submission of discard and
GC requests independently, based on the need.
Suggested-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NSahitya Tummala <stummala@codeaurora.org>
Reviewed-by: NChao Yu <yuchao0@huawei.com>
Signed-off-by: NJaegeuk Kim <jaegeuk@kernel.org>