Re: [PATCH] f2fs: fix to show encrypt flag in FS_IOC_GETFLAGS

From: Chao Yu
Date: Sat Apr 07 2018 - 21:17:39 EST


On 2018/4/5 11:46, Jaegeuk Kim wrote:
> On 04/03, Chao Yu wrote:
>> On 2018/4/3 4:21, Jaegeuk Kim wrote:
>>> On 04/02, Chao Yu wrote:
>>>> This patch fixes to show encrypt flag in FS_IOC_GETFLAGS like ext4 does.
>>>
>>> Actually, we have to show internal flags owned by f2fs, not generic ones.
>>> We may need to define all of them separately?
>>
>> Agreed, I wrote a patch, could check that? and in that patch, do we need to
>> delete flag definition f2fs don't use?
>
> IMO, we'd better keep the flags. I merged it and could you add encryption part

Agreed.

> on top of it?

No problem. ;)

Thanks,

>
> Thanks,
>
>>
>> Thanks,
>>
>>>
>>>>
>>>> Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
>>>> ---
>>>> fs/f2fs/file.c | 9 +++++++--
>>>> 1 file changed, 7 insertions(+), 2 deletions(-)
>>>>
>>>> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
>>>> index 8068b015ece5..271fadadaa36 100644
>>>> --- a/fs/f2fs/file.c
>>>> +++ b/fs/f2fs/file.c
>>>> @@ -1584,8 +1584,13 @@ static int f2fs_ioc_getflags(struct file *filp, unsigned long arg)
>>>> {
>>>> struct inode *inode = file_inode(filp);
>>>> struct f2fs_inode_info *fi = F2FS_I(inode);
>>>> - unsigned int flags = fi->i_flags &
>>>> - (FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL);
>>>> + unsigned int flags = fi->i_flags;
>>>> +
>>>> + if (file_is_encrypt(inode))
>>>> + flags |= FS_ENCRYPT_FL;
>>>> +
>>>> + flags &= FS_FL_USER_VISIBLE | FS_PROJINHERIT_FL;
>>>> +
>>>> return put_user(flags, (int __user *)arg);
>>>> }
>>>>
>>>> --
>>>> 2.15.0.55.gc2ece9dc4de6
>>>
>>> .
>>>
>
> .
>