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authorJaegeuk Kim <jaegeuk@kernel.org>2021-07-26 09:12:15 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2021-08-02 11:24:25 -0700
commitb7ec2061737f12c33e45beeb967d17f31abc1ada (patch)
tree33cd235ee33311c33d8b862d7bf06e7ec6633514 /fs/f2fs
parent7eab7a6968278c735b1ca6387056a408f7960265 (diff)
downloadlinux-b7ec2061737f12c33e45beeb967d17f31abc1ada.tar.gz
f2fs: do not submit NEW_ADDR to read node block
After the below patch, give cp is errored, we drop dirty node pages. This
can give NEW_ADDR to read node pages. Don't do WARN_ON() which gives
generic/475 failure.

Fixes: 28607bf3aa6f ("f2fs: drop dirty node pages when cp is in error status")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/node.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index c945a9730f3c..5840b82ce311 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1330,7 +1330,8 @@ static int read_node_page(struct page *page, int op_flags)
 	if (err)
 		return err;
 
-	if (unlikely(ni.blk_addr == NULL_ADDR) ||
+	/* NEW_ADDR can be seen, after cp_error drops some dirty node pages */
+	if (unlikely(ni.blk_addr == NULL_ADDR || ni.blk_addr == NEW_ADDR) ||
 			is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)) {
 		ClearPageUptodate(page);
 		return -ENOENT;