Re: [CFT][PATCH] large /proc/mounts and friends

[Keith Owens]

On Mon, 15 Oct 2001 21:41:49 -0700 (PDT), 
Linus Torvalds <[e-mail]> wrote:
>	s_seek()
>	{
>		struct mod_sym *v = p;
>		int mod_nr = pos >> 32;
>		while (mod_nr && v->mod) {
>			mod_nr--;
>			v->mod = v->mod->next;
>		};
>	}

If a module is deleted between calls to s_seek() and that deletion is
before mod_nr then the caller has seen the deleted module but a later
module will transiently disappear.  I don't see how counting on a
linked list which is subject to deletion at any point can deliver
reliable results.  Seeing the old module is wrong but acceptable.  Not
seeing a module that still exists is wrong.