Re: [PATCH 13/18] ima: use generic_file_llseek for securityfs

From: Mimi Zohar
Date: Thu Jul 08 2010 - 09:18:45 EST


On Thu, 2010-07-08 at 15:00 +0200, Arnd Bergmann wrote:
> On Thursday 08 July 2010, Mimi Zohar wrote:
> > On Wed, 2010-07-07 at 23:40 +0200, Arnd Bergmann wrote:
> > > The default for llseek will change to no_llseek,
> > > so securityfs users need to add explicit .llseek
> > > assignments. Since we're dealing with regular
> > > files from a VFS perspective, use generic_file_llseek.
> >
> > As both the 'violations' and 'runtime_measurement_counts' are single
> > values and 'policy' doesn't support read, this patch doesn't hurt, but
> > adding .llseek is probably unnecessary.
>
> Ok, thanks for the confirmation.
>
> Are you applying the patch in your tree, or should I keep it in my
> series?

I'll leave that up to James.

> Note that while it may not be necessary to add these specific .llseek
> operations, the reason I'm doing it is because I want to provably
> have a .llseek operation in every file_operation in the kernel before
> the default gets changed.
>
> Arnd

Thanks for the clarification.

Mimi

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/