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 <shengy...@oppo.com>
Reviewed-by: Chao Yu <c...@kernel.org>
Thanks,
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