From 2482c4325dfe03b679a8bd7e0f1d14e230f019b3 Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Sun, 8 Jul 2018 22:16:53 +0800 Subject: [PATCH] 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 Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 47b6595a078c..199a77a9c4a9 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -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; } -- 2.11.0