linux-kernel - Re: [PATCH 0/7] Intro: convert lockd to kthread and fix use-after-free (try #3)

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Message-ID: <20080105164403.GA12928@fieldses.org>
Date:	Sat, 5 Jan 2008 11:44:03 -0500
From:	"J. Bruce Fields" <bfields@...ldses.org>
To:	Tomasz Kłoczko <kloczek@...y.mif.pg.gda.pl>
Cc:	Jeff Layton <jlayton@...hat.com>, linux-nfs@...r.kernel.org,
	nfsv4@...ux-nfs.org, linux-kernel@...r.kernel.org,
	richterd@...i.umich.edu
Subject: Re: [PATCH 0/7] Intro: convert lockd to kthread and fix
	use-after-free (try #3)

On Wed, Dec 19, 2007 at 08:15:43PM +0100, Tomasz Kłoczko wrote:
> On Tue, 18 Dec 2007, Jeff Layton wrote:
>
>> This is the third patchset to fix the use-after-free problem in lockd,
>> and to convert lockd to use the kthread API instead of kernel_thread.
>> The main change from the last patchset is the elimination of the
>> svc_create_kthread helper function, and having lockd_up call kthread_run
>> directly. I've also made some changes to the function prototype for
>> the lockd function to eliminate the need for casting the function
>> pointer.
>
> BTW kernel, NFS and lockd: SuSE kernel IIRC is distributed with patch which 
> adds kernel-based status monitor (statd).
>
> Q to NFS people: any plans about merge this in main kernel tree ?

No.  There was opposition to the idea.  I can't remember the argument,
though, and a quick google search isn't turning it up.

> And another question related to NFS: any progress on add clear NFS 
> statistics in kernel (nfsstat -z) ?

No.  We do have some patches that add roughly equivalent functionality
in userspace.

--b.
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