Miklos Szeredi <mszeredi@xxxxxxxxxx> writes:
> Add way to query the children of a particular mount. This is a more
> flexible way to iterate the mount tree than having to parse the complete
> /proc/self/mountinfo.
>
> Allow listing either
>
> - immediate child mounts only, or
>
> - recursively all descendant mounts (depth first).
So I have one probably silly question:
> +SYSCALL_DEFINE4(listmount, const struct __mount_arg __user *, req,
> + u64 __user *, buf, size_t, bufsize, unsigned int, flags)
> +{
Why use struct __mount_arg (or struct mnt_id_req :) here rather than
just passing in the mount ID directly? You don't use the request_mask
field anywhere.
Thanks,
jon
