David Howells <dhowells@xxxxxxxxxx> wrote: > > What guarantees that mount_id is going to remain a 32bit entity? > > You think it likely we'd have >4 billion concurrent mounts on a system? That > would require >1.2TiB of RAM just for the struct mount allocations. > > But I can expand it to __u64. That said, sys_name_to_handle_at() assumes it's a 32-bit signed integer, so we're currently limited to ~2 billion concurrent mounts:-/ David
