Commit 2482c432 authored Jul 08, 2018 by Chao Yu Committed by Jaegeuk Kim Aug 01, 2018

f2fs: detect bug_on in f2fs_wait_discard_bios



Add bug_on to detect potential non-empty discard wait list.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent cb15d1e4

fs/f2fs/segment.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1388,6 +1388,8 @@ bool f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)

		/* just to make sure there is no pending discard commands */
		__wait_all_discard_cmd(sbi, NULL);

		f2fs_bug_on(sbi, atomic_read(&dcc->discard_cmd_cnt));
		return dropped;
		}