[PATCH v3 RESEND] f2fs: add bug_on when f2fs_gc even fails to get one victim

[Yunlong Song]

This can help to find potential bugs on some corner case.

Signed-off-by: Yunlong Song <yunlong.song@xxxxxxxxxx>
---
 fs/f2fs/gc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 5d5bba4..c89128b 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1035,6 +1035,7 @@ int f2fs_gc(struct f2fs_sb_info *sbi, bool sync,
 		goto stop;
 	}
 	if (!__get_victim(sbi, &segno, gc_type)) {
+		f2fs_bug_on(sbi, !total_freed && has_not_enough_free_secs(sbi, 0, 0));
 		ret = -ENODATA;
 		goto stop;
 	}
-- 
1.8.5.2