f2fs: check discard command number before traversing discard pending list
authorChao Yu <yuchao0@huawei.com>
Mon, 22 Feb 2021 10:07:33 +0000 (18:07 +0800)
committerJaegeuk Kim <jaegeuk@kernel.org>
Fri, 12 Mar 2021 21:16:42 +0000 (13:16 -0800)
commit43f8c47ea7d59c7b2270835f1d7c4618a1ea27b6
tree1c056b5cf8b92c3fec9d733e6de555d36d2365e5
parent3b42c741b1bf52ee9ed6fba5f9636d80ddacf73f
f2fs: check discard command number before traversing discard pending list

In trim thread, let's add a condition to check discard command number
before traversing discard pending list, it can avoid unneeded traversing
if there is no discard command.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fs/f2fs/segment.c