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

From: Chao Yu
Date: Fri Jul 27 2018 - 06:12:00 EST


On 2018/7/27 18:08, Jaegeuk Kim wrote:
> On 07/25, 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..bb40f08d2861 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;
>> }
>> + if (f2fs_sb_has_project_quota(sbi->sb) && !f2fs_readonly(sbi->sb)) {
>> + ext4_msg(sb, KERN_ERR,
>
> What is this?

Sorry, I just porting ext4's code here, but forget to change the function,
strangely, it pass my module compiling... :(, I have resend one patch.

Thanks,

>
>> + "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)) {
>> --
>> 2.16.2.17.g38e79b1fd
>
> .
>