btrfs: switch check_direct_IO() to iov_iter
... and don't open-code iov_iter_alignment() there
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Showing
想要评论请 注册 或 登录
... and don't open-code iov_iter_alignment() there
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>