__setattr_copy() was copied from setattr_copy() in fs/attr.c, there is
two missing patches doesn't cover this inner function, fix it.

Commit 7fa294c8 ("userns: Allow chown and setgid preservation")
Commit 23adbe12 ("fs,userns: Change inode_capable to capable_wrt_inode_uidgid")

Fixes: fbfa2cc5 ("f2fs: add file operations")
Cc: stable@vger.kernel.org
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>