Re: [f2fs-dev] [PATCH] Revert "f2fs: give a warning only for readonly partition"

[Jaegeuk Kim <jaegeuk@kernel.org>]

On 03/23, Chao Yu wrote:
> This reverts commit 938a184265d75ea474f1c6fe1da96a5196163789.
> 
> Because that commit fails generic/050 testcase which expect failure
> during mount a recoverable readonly partition.

I think we need to change generic/050, since f2fs can recover this partition,
even though using it as readonly. And, valid checkpoint can allow for user to
read all the data without problem.

> 
> Fixes: 938a184265d7 ("f2fs: give a warning only for readonly partition")
> Signed-off-by: Chao Yu <yuchao0@huawei.com>
> ---
>  fs/f2fs/super.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index b48281642e98..2b78ee11f093 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -3952,10 +3952,12 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
>  		 * previous checkpoint was not done by clean system shutdown.
>  		 */
>  		if (f2fs_hw_is_readonly(sbi)) {
> -			if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG))
> +			if (!is_set_ckpt_flags(sbi, CP_UMOUNT_FLAG)) {
> +				err = -EROFS;
>  				f2fs_err(sbi, "Need to recover fsync data, but write access unavailable");
> -			else
> -				f2fs_info(sbi, "write access unavailable, skipping recovery");
> +				goto free_meta;
> +			}
> +			f2fs_info(sbi, "write access unavailable, skipping recovery");
>  			goto reset_checkpoint;
>  		}
>  
> -- 
> 2.29.2


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