linux-kernel - Re: NFS regression? Odd delays and lockups accessing an NFS export.

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Date:	Tue, 23 Sep 2008 12:33:09 +0100
From:	Ian Campbell <ijc@...lion.org.uk>
To:	Tom Tucker <tom@...ngridcomputing.com>
Cc:	"J. Bruce Fields" <bfields@...ldses.org>,
	Trond Myklebust <trond.myklebust@....uio.no>,
	Grant Coady <gcoady.lk@...il.com>,
	linux-kernel@...r.kernel.org, neilb@...e.de,
	linux-nfs@...r.kernel.org
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.

On Tue, 2008-09-23 at 08:59 +0100, Ian Campbell wrote:
> I've found that the problem was backported into the stable stream since
> I cannot reproduce the issue with 2.6.26 but I can with 2.6.26.5. This
> is quite useful since there are only 3 relevant looking changesets in
> that range. I will bisect between these before confirming the culprit on
> mainline.

It reports:

        daedfbe2a67628a40076a6c75fb945c60f608a2e is first bad commit
        commit daedfbe2a67628a40076a6c75fb945c60f608a2e
        Author: Trond Myklebust <Trond.Myklebust@...app.com>
        Date:   Wed Jun 11 17:39:04 2008 -0400
        
            NFS: Ensure we zap only the access and acl caches when setting new acls
            
            commit f41f741838480aeaa3a189cff6e210503cf9c42d upstream
            
            ...and ensure that we obey the NFS_INO_INVALID_ACL flag when retrieving the
            acls.
            
            Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
            Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

I'm just about to build f41f741838480aeaa3a189cff6e210503cf9c42d and the
one before and try those.

I'm not using ACLs as far as I am aware.

Ian.

-- 
Ian Campbell

If we were meant to get up early, God would have created us with alarm clocks.

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