Re: [f2fs-dev] [PATCH RESEND] f2fs: fix to restrict mount condition when without CONFIG_QUOTA

[Sheng Yong]

Hi, Chao

On 2018/7/26 7:19, Chao Yu wrote:
> From: Chao Yu <yuchao0@xxxxxxxxxx>
>
> Like quota_ino feature, we need to reject mounting RDWR with image
> which enables project_quota feature when there is no CONFIG_QUOTA
> be set in kernel.
>
> Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
> ---
>   fs/f2fs/super.c | 6 ++++++
>   1 file changed, 6 insertions(+)
>
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index dbc1cb53581f..bc7c14a055bb 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -775,6 +775,12 @@ static int parse_options(struct super_block *sb, char *options)
>   			 "without CONFIG_QUOTA");
>   		return -EINVAL;
>   	}

I think the following should be checked within !CONFIG_QUOTA, like patch "f2fs: quota: do
not mount as RDWR without QUOTA if quota feature enabled" :)

thanks

> +	if (f2fs_sb_has_project_quota(sbi->sb) && !f2fs_readonly(sbi->sb)) {
> +		f2fs_msg(sb, KERN_ERR,
> +			"Filesystem with project quota feature cannot be "
> +			"mounted RDWR without CONFIG_QUOTA");
> +		return -EINVAL;
> +	}
>   #endif
>   
>   	if (F2FS_IO_SIZE_BITS(sbi) && !test_opt(sbi, LFS)) {