On Sun, Sep 27, 2020 at 10:05:56PM -0400, Zhang Xiaoxu wrote:
> Consider a situation when a filesystem was uncleanly shutdown and the
> orphan list is not empty and a read-only mount is attempted. The orphan
> list cleanup during mount will fail with:
>
> ext4_check_bdev_write_error:193: comm mount: Error while async write back metadata
>
> This happens because sbi->s_bdev_wb_err is not initialized when mounting
> the filesystem in read only mode and so ext4_check_bdev_write_error()
> falsely triggers.
>
> Initialize sbi->s_bdev_wb_err unconditionally to avoid this problem.
>
> Fixes: bc71726c7257 ("ext4: abort the filesystem if failed to async write metadata buffer")
> Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@xxxxxxxxxx>
> Reviewed-by: Jan Kara <jack@xxxxxxx>
Applied, thanks.
- Ted
