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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: trond.myklebust@fys.uio.no (Trond Myklebust)
Cc: pavel@suse.cz (Pavel Machek), viro@math.psu.edu (Alexander Viro),
	alan@lxorguk.ukuu.org.uk (Alan Cox),
	Simon.Richter@phobos.fachschaften.tu-muenchen.de (Simon Richter),
	jbarker@ebi.ac.uk (Jonathan Barker),
	linux-kernel@vger.kernel.org
Subject: Re: VFS mediator?
Date: Tue, 19 Mar 2002 00:15:49 +0000 (GMT)	[thread overview]
Message-ID: <E16n7I5-0006SA-00@the-village.bc.nu> (raw)
In-Reply-To: <shs1yeha5b4.fsf@charged.uio.no> from "Trond Myklebust" at Mar 18, 2002 11:18:07 PM

>      > Does not work... If you mount nfs server on localhost, you can
>      > deadlock.
> 
> Huh? Examples please? A hell of a lot of work has gone into ensuring
> that this cannot happen. I do most of my NFS client work on this sort
> of setup, so it had bloody well better work...

At least theoretically it can. Imagine you have every other process stuck
trying to page out (or blocked on a page out) over NFS, including your
user mode nfs process. In practice it would be very hard to arrange but
the theory is real.

Alan

  parent reply	other threads:[~2002-03-19  0:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-03-14 14:52 VFS mediator? Jonathan Barker
2002-03-14 23:09 ` Simon Richter
2002-03-14 23:33   ` Alan Cox
2002-03-15  0:00     ` Alexander Viro
2002-03-15 11:50       ` Simon Richter
2002-03-18 19:25       ` Pavel Machek
2002-03-18 22:18         ` Trond Myklebust
2002-03-18 22:38           ` Pavel Machek
2002-03-18 22:48             ` Trond Myklebust
2002-03-18 22:54               ` Pavel Machek
2002-03-18 23:05                 ` Trond Myklebust
2002-03-19  0:15           ` Alan Cox [this message]
2002-03-18 22:29         ` Alexander Viro
2002-03-18 22:36           ` Pavel Machek
2002-03-15 14:28 ` Jonathan Barker
2002-03-19 13:45 Jesse Pollard
2002-03-19 21:24 ` Pavel Machek

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