f2fs: fix to be aware discard/preflush/dio command in is_idle()

This patch adds missing in-flight discard/preflush/dio command count
check in is_idle().

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2018-11-12 00:55:44 +08:00 • committed by Jaegeuk Kim
commit fef4129ec2