From: Greg KH <greg@kroah.com>
To: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Christoph Hellwig <hch@lst.de>,
akpm@osdl.org, neilb@cse.unsw.edu.au, andros@citi.umich.edu,
linux-fsdevel@vger.kernel.org
Subject: Re: NFS4 crack
Date: Tue, 20 Sep 2005 05:49:08 -0700 [thread overview]
Message-ID: <20050920124908.GA30842@kroah.com> (raw)
In-Reply-To: <20050919203143.GC26122@fieldses.org>
On Mon, Sep 19, 2005 at 04:31:43PM -0400, J. Bruce Fields wrote:
> We'd need two pieces of user<->kernel interface:
>
> 1. An upcall to userspace to tell it about new client state. We
> also need to be able to wait for userspace to commit something
> to disk, as the information has to survive a reboot.
> 2. A way for userspace to dump recorded state to the kernel the
> next time nfsd starts up.
>
> Number 1 could be done with something like hotplug, I guess. (It can be
> told to wait for the userspace helper to exit, right?)
Well, calling /sbin/hotplug itself can't be told to wait, especially as
that value is being set to NULL by most distros these days, as they are
using netlink instead.
Good luck,
greg k-h
next prev parent reply other threads:[~2005-09-20 12:49 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-18 10:21 NFS4 crack Christoph Hellwig
2005-09-18 14:36 ` J. Bruce Fields
2005-09-19 10:35 ` Christoph Hellwig
2005-09-19 13:04 ` Anton Altaparmakov
2005-09-19 13:35 ` J. Bruce Fields
2005-09-19 13:39 ` Christoph Hellwig
2005-09-19 14:07 ` J. Bruce Fields
2005-09-19 14:11 ` Christoph Hellwig
2005-09-19 17:13 ` Bryan Henderson
2005-09-19 17:16 ` Randy.Dunlap
2005-09-19 21:57 ` Bryan Henderson
2005-09-19 22:11 ` Randy.Dunlap
2005-09-20 0:17 ` Bryan Henderson
2005-09-19 18:02 ` Christoph Hellwig
2005-09-19 18:53 ` William A.(Andy) Adamson
2005-09-19 18:59 ` Christoph Hellwig
2005-09-19 22:04 ` Bryan Henderson
2005-09-19 19:01 ` J. Bruce Fields
2005-09-19 19:05 ` Christoph Hellwig
2005-09-19 20:31 ` J. Bruce Fields
2005-09-20 12:49 ` Greg KH [this message]
2005-09-20 15:10 ` William A.(Andy) Adamson
2005-09-20 18:37 ` Neil Brown
2005-09-21 7:44 ` Andrew Morton
2005-09-22 20:58 ` William A.(Andy) Adamson
2005-09-21 13:41 ` Trond Myklebust
2005-09-21 14:40 ` J. Bruce Fields
2005-09-22 16:28 ` Bryan Henderson
2005-09-22 16:52 ` Trond Myklebust
2005-09-22 17:38 ` Peter Staubach
2005-09-22 17:52 ` Trond Myklebust
2005-09-22 18:07 ` Peter Staubach
2005-09-22 21:08 ` Bryan Henderson
2005-09-23 12:17 ` Peter Staubach
2005-09-23 20:50 ` Bryan Henderson
2005-09-23 21:02 ` NFS4 crack\ Al Viro
2005-09-26 16:29 ` Bryan Henderson
2005-09-26 17:13 ` Peter Staubach
2005-09-22 21:48 ` NFS4 crack Nicholas Miell
2005-09-22 22:50 ` Greg Banks
2005-09-22 21:19 ` Bryan Henderson
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