From: Ian Kent <raven@themaw.net>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
David Miller <davem@davemloft.net>,
linux-kernel@vger.kernel.org, autofs@vger.kernel.org,
Thomas Meyer <thomas@m3y3r.de>, Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: compat: autofs v5 packet size ambiguity - update
Date: Thu, 23 Feb 2012 09:35:02 +0800 [thread overview]
Message-ID: <1329960902.2244.2.camel@perseus.themaw.net> (raw)
In-Reply-To: <4F45062C.8000104@zytor.com>
On Wed, 2012-02-22 at 07:13 -0800, H. Peter Anvin wrote:
> On 02/22/2012 01:32 AM, Ian Kent 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.
> >
>
> Does that mean that the autofs v5 daemon calls mount() by itself, unlike
> the older autofs daemon? Otherwise you're reading the compatness of
> /bin/mount...
Version 5 does, yes.
There was nothing to be gained by the extra overhead of calling mount(8)
since I wanted to minimize mtab usage and contention, and didn't want
these showing up in mtab either.
>
> -hpa
>
next prev parent reply other threads:[~2012-02-23 1:35 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-22 2:24 Linus Torvalds
2012-02-22 3:16 ` David Miller
2012-02-22 3:33 ` Linus Torvalds
2012-02-22 3:47 ` Linus Torvalds
2012-02-22 4:20 ` Ian Kent
2012-02-22 4:56 ` Linus Torvalds
2012-02-22 5:43 ` Ian Kent
2012-02-22 5:53 ` Ian Kent
2012-02-22 5:57 ` Ian Kent
2012-02-22 9:32 ` Ian Kent
2012-02-22 12:15 ` Ian Kent
2012-02-22 12:39 ` Ian Kent
2012-02-22 12:45 ` Ian Kent
2012-02-22 16:20 ` Linus Torvalds
2012-02-22 15:13 ` H. Peter Anvin
2012-02-23 1:35 ` Ian Kent [this message]
2012-02-22 16:12 ` Linus Torvalds
2012-02-23 1:48 ` Ian Kent
2012-02-23 1:54 ` Ian Kent
2012-02-23 2:21 ` Ian Kent
2012-02-23 6:29 ` Ian Kent
2012-02-23 6:31 ` H. Peter Anvin
2012-02-23 11:20 ` Ian Kent
2012-02-23 11:26 ` Ian Kent
2012-02-23 8:54 ` Thomas Meyer
2012-02-23 1:56 ` Linus Torvalds
2012-02-23 2:09 ` Ian Kent
2012-02-23 2:11 ` Ian Kent
2012-02-23 2:25 ` Linus Torvalds
2012-02-23 2:32 ` Ian Kent
2012-02-25 11:28 ` Thomas Meyer
2012-02-25 22:10 ` [PATCH] autofs4: fix compilation without CONFIG_COMPAT Andreas Schwab
2012-02-26 1:31 ` Linus Torvalds
2012-02-26 1:46 ` H. Peter Anvin
2012-02-26 1:53 ` Linus Torvalds
2012-02-26 3:07 ` H. Peter Anvin
2012-02-26 9:05 ` Andreas Schwab
2012-02-27 7:29 ` Christian Borntraeger
2012-02-27 9:09 ` Heiko Carstens
2012-02-27 16:22 ` H. Peter Anvin
2012-02-27 16:25 ` Linus Torvalds
2012-02-27 9:20 ` Ian Kent
2012-02-22 6:02 ` compat: autofs v5 packet size ambiguity - update H. Peter Anvin
2012-02-22 16:10 ` Linus Torvalds
2012-02-22 17:43 ` H. Peter Anvin
2012-02-22 17:45 ` H. Peter Anvin
2012-02-22 18:16 ` Linus Torvalds
2012-02-22 18:19 ` Linus Torvalds
2012-02-22 18:20 ` H. Peter Anvin
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