linux-kernel - Re: nfs3 problem with -rc{2,3} : blame

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Message-ID: <20120619193540.GA14702@milliways>
Date:	Tue, 19 Jun 2012 20:35:40 +0100
From:	Ken Moffat <zarniwhoop@...world.com>
To:	"Myklebust, Trond" <Trond.Myklebust@...app.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: nfs3 problem with -rc{2,3} : blame

On Tue, Jun 19, 2012 at 05:46:28PM +0000, Myklebust, Trond wrote:
> 
> Does the following patch make any difference?
> 
> You probably want to ensure that you also have commit
> 906369e43c29001c39c7dfed8a01b9dff24ace75 (which is in 3.5-rc3) since
> that corrects a similar issue.
> 
> Cheers
>   Trond
> 8<------------------------------------------------------------
> From ed3b97f9af6421f326de413e6d6556d1ecc3399d Mon Sep 17 00:00:00 2001
> From: Trond Myklebust <Trond.Myklebust@...app.com>
> Date: Tue, 19 Jun 2012 13:39:14 -0400
> Subject: [PATCH] NFS: Fix a refcounting issue in O_DIRECT
> 
> In nfs_direct_write_reschedule(), the requests from nfs_scan_commit_list
> have a refcount of 2, whereas the operations in
> nfs_direct_write_completion_ops expect them to have a refcount of 1.
> 
> This patch adds a call to release the extra references.

 Unfortunately, no difference (on top of -rc3).

 FWIW, after rsync stalled I tried a download from firefox, to a
different nfs mount, and that too appeared to lock up firefox.

ĸen
-- 
das eine Mal als Tragödie, das andere Mal als Farce
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