Re: refcounting drivers' data structures used in sysfs buffers

Alan Stern
2007-03-12T20:45:07Z

On Mon, 12 Mar 2007, Dmitry Torokhov wrote:

> > Do you think Linus would listen if all three of us (plus maybe Greg) tried
> > to convince him?
> >
>
> If we'd accompany the argument with the patch that changes scsi to use
> wq to perform deletion so we don't have deadlock regression in the
> kernel he might be more perceptive...

I wrote that patch over the weekend but forgot to bring it in to work.
I'll post it tonight or tomorrow.

> He is right about lifetime
> issues but this is not strictly lifetime issue as you correctly point
> out. Plus, refcounting also bloats the kernel so I don't relly want to
> use refcount for every integer I happen to export through sysfs if I
> can simply "revoke" access.

Agreed.

Alan Stern