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authorJaegeuk Kim <jaegeuk@kernel.org>2018-09-18 03:36:06 +0300
committerJaegeuk Kim <jaegeuk@kernel.org>2018-09-28 20:39:58 +0300
commitedc55aaf0d1712b54a3704dd58423c7e495534fe (patch)
treec3f2bf974a3706d91b231b309c2c9427d9adfe5b /fs/f2fs/gc.c
parent4a1728cad6340bfbe17bd17fd158b2165cd99508 (diff)
downloadlinux-edc55aaf0d1712b54a3704dd58423c7e495534fe.tar.xz
f2fs: avoid f2fs_bug_on if f2fs_get_meta_page_nofail got EIO
This patch avoids BUG_ON when f2fs_get_meta_page_nofail got EIO during xfstests/generic/475. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/gc.c')
-rw-r--r--fs/f2fs/gc.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index 77ffa8045a3b..247b31e73303 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1066,6 +1066,18 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi,
/* reference all summary page */
while (segno < end_segno) {
sum_page = f2fs_get_sum_page(sbi, segno++);
+ if (IS_ERR(sum_page)) {
+ int err = PTR_ERR(sum_page);
+
+ end_segno = segno - 1;
+ for (segno = start_segno; segno < end_segno; segno++) {
+ sum_page = find_get_page(META_MAPPING(sbi),
+ GET_SUM_BLOCK(sbi, segno));
+ f2fs_put_page(sum_page, 0);
+ f2fs_put_page(sum_page, 0);
+ }
+ return err;
+ }
unlock_page(sum_page);
}