Commit 43f8c47e authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

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: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 3b42c741

fs/f2fs/segment.c

+2 −0
Original line number Diff line number Diff line
@@ -1759,6 +1759,8 @@ static int issue_discard_thread(void *data) 
			wait_ms = dpolicy.max_interval;

			continue;

		}

		if (!atomic_read(&dcc->discard_cmd_cnt))

			continue;



		if (sbi->gc_mode == GC_URGENT_HIGH)

			__init_discard_policy(sbi, &dpolicy, DPOLICY_FORCE, 1);