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Subject: Re: compat: autofs v5 packet size ambiguity - update
From: "H. Peter Anvin" <hpa@zytor.com>
Date: Wed, 22 Feb 2012 22:31:38 -0800
To: Ian Kent <raven@themaw.net>, Thomas Meyer <thomas@m3y3r.de>
CC: David Miller <davem@davemloft.net>, linux-kernel@vger.kernel.org,
        autofs@vger.kernel.org, Linus Torvalds <torvalds@linux-foundation.org>,
        Al Viro <viro@zeniv.linux.org.uk>
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However, I liked Linus' approach.of using the version ioctl; any reason not to?

Ian Kent <raven@themaw.net> wrote:

>On Thu, 2012-02-23 at 10:21 +0800, Ian Kent wrote:
>> On Thu, 2012-02-23 at 09:54 +0800, Ian Kent wrote:
>> > On Thu, 2012-02-23 at 09:48 +0800, Ian Kent wrote:
>> > > On Wed, 2012-02-22 at 08:12 -0800, Linus Torvalds wrote:
>> > > > On Wed, Feb 22, 2012 at 1:32 AM, Ian Kent <raven@themaw.net>
>wrote:
>> > > > >
>> > > > > Oh, DOH ...
>> > > > >
>> > > > > The process mounting the autofs mount is passing the pipe it
>will use
>> > > > > for communication via a mount option so we can do this right
>in
>> > > > > fill_super.
>> > > > 
>> > > > No, we really cannot.
>> > > 
>> > > Sorry, I think your wrong this time.
>> > 
>> > On second thought, I suppose other user space users don't "have" to
>use
>> > mount(2) ....
>> 
>> Thomas, what does systemd use to mount the autofs mounts that it
>uses?
>
>Mmm ... AFAICS systemd uses mount(2) so that looks OK too.
>
>Ian

-- 
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