From: Ye Bin yebin10@huawei.com
commit 6810fad956df9e5467e8e8a5ac66fda0836c71fa upstream.
Fix As write_mmp_block() so that it returns -EIO instead of 1, so that the correct error gets saved into the superblock.
Cc: stable@kernel.org 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 Link: https://lore.kernel.org/r/20210406025331.148343-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o tytso@mit.edu Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/ext4/mmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/ext4/mmp.c +++ b/fs/ext4/mmp.c @@ -56,7 +56,7 @@ static int write_mmp_block(struct super_ wait_on_buffer(bh); sb_end_write(sb); if (unlikely(!buffer_uptodate(bh))) - return 1; + return -EIO;
return 0; }