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* [PATCH v3] ext4: Fix ext4_error_err save negative errno into superblock
@ 2021-04-06  2:53 Ye Bin
  2021-04-10  0:54 ` Theodore Ts'o
  0 siblings, 1 reply; 2+ messages in thread
From: Ye Bin @ 2021-04-06  2:53 UTC (permalink / raw)
  To: tytso, adilger.kernel, linux-ext4, linux-kernel
  Cc: Ye Bin, Liu Zhi Qiang, Andreas Dilger

As write_mmp_block return 1 when buffer isn't uptodate, return -EIO is
more appropriate.

Fixes: 54d3adbc29f0 ("ext4: save all error info in save_error_info() and drop ext4_set_errno()")
Reported-by: Liu Zhi Qiang <liuzhiqiang26@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
Reviewed-by: Andreas Dilger <adilger@dilger.ca>
---
 fs/ext4/mmp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
index 795c3ff2907c..68fbeedd627b 100644
--- a/fs/ext4/mmp.c
+++ b/fs/ext4/mmp.c
@@ -56,7 +56,7 @@ static int write_mmp_block(struct super_block *sb, struct buffer_head *bh)
 	wait_on_buffer(bh);
 	sb_end_write(sb);
 	if (unlikely(!buffer_uptodate(bh)))
-		return 1;
+		return -EIO;
 
 	return 0;
 }
-- 
2.25.4


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2021-04-06  2:53 [PATCH v3] ext4: Fix ext4_error_err save negative errno into superblock Ye Bin
2021-04-10  0:54 ` Theodore Ts'o

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