[PATCH 3/4] f2fs: avoid gc in cp_error case

[Jaegeuk Kim]

Otherwise, we can hit
	f2fs_bug_on(sbi, !PageUptodate(sum_page));

Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
 fs/f2fs/gc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index a9a3c9f..b9d6c42 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -847,7 +847,8 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
 
 	for (segno = start_segno; segno < end_segno; segno++) {
 
-		if (get_valid_blocks(sbi, segno, 1) == 0)
+		if (get_valid_blocks(sbi, segno, 1) == 0 ||
+					unlikely(f2fs_cp_error(sbi)))
 			goto next;
 
 		/* find segment summary of victim */
-- 
2.8.3