Re: compat: autofs v5 packet size ambiguity - update

From: Ian Kent
Date: Wed Feb 22 2012 - 21:32:07 EST


On Wed, 2012-02-22 at 18:25 -0800, Linus Torvalds wrote:
> On Wed, Feb 22, 2012 at 6:09 PM, Ian Kent <raven@xxxxxxxxxx> wrote:
> >
> > Sure, that's true, and you'll see it uses the mount option maxproto with
> > the value of AUTOFS_MAX_PROTO_VERSION. But autofs uses it's own copy of
> > the headers so AUTOFS_MAX_PROTO_VERSION is 4 not 5 so it won't be
> > affected by this change.
>
> Ok.
>
> I fetched your git tree, and it seems this changed to use mount()
> directly in commit a74f68c99d9f ("integrated master map parsing into
> daemon") back in 2006.
>
> Which seems to be part of autofs_5_0_0_beta1, so I guess we're safe. I
> hope no distro ever used any early pre-beta versions of autofs that
> had the new packet support but still used the external 'mount'
> command.

If there are they have bigger automount problem than the kernel packet
size, ;)

It really didn't become usable until at least the rc releases and the
actual first non-test release was 5.0.1, we never had a 5.0.0.

Ian


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