linux-kernel - Re: [PATCH] autofs: fix the wrong usage of the deprecated task_pgrp

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Message-ID: <20090119191729.GB24852@redhat.com>
Date:	Mon, 19 Jan 2009 20:17:29 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	"Serge E. Hallyn" <serue@...ibm.com>
Cc:	Ian Kent <raven@...maw.net>,
	Andrew Morton <akpm@...ux-foundation.org>, hpa@...or.com,
	Pavel Emelyanov <xemul@...nvz.org>,
	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] autofs: fix the wrong usage of the deprecated
	task_pgrp_nr()

On 01/19, Serge E. Hallyn wrote:
>
> Quoting Oleg Nesterov (oleg@...hat.com):
> > On 01/19, Serge E. Hallyn wrote:
> > >
> > > But so there does still need to be a patch modifying parse_options()
> > > to return an error if pgrp= was not specified, right?
> >
> > Why? In that case we should use the caller's pgrp. This is what the
> > current tries to do, why should the patch change this behaviour?
>
> Well, because Ian said that not specifying it is supposed to
> be an error :)  I didn't quite understand why, so am fishing
> for more info...

I think you misunderstood him. Or I am totally confused ;)

In any case. Both autofs and autofs4 use current's pgrp if this
option was not specified, and these patches doesn't change this
behaviour.


Actually, I am very much surprized this one-liner patch has so
many questions. Isn't it "obiously correct" ?

Oleg.

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