Re: [PATCH v2] f2fs: add f2fs_ioc_[get|set]_extra_attr

[Chao Yu]

On 2023/5/30 14:34, Sheng Yong wrote:
> This patch introduces two ioctls:
>    * f2fs_ioc_get_extra_attr
>    * f2fs_ioc_set_extra_attr
> to get or modify values in extra attribute area.
>
> The argument of these two ioctls is `struct f2fs_extra_attr', which has
> three members:
>    * field: indicates which field in extra attribute area is handled
>    * attr: value or userspace pointer
>    * attr_size: size of `attr'
>
> The `field' member could help extend functionality of these two ioctls
> without modify or add new interfaces, if more fields are added into
> extra attributes ares in the feture.
>
> Signed-off-by: Sheng Yong <shengyong@xxxxxxxx>

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,