linux-kernel - Re: lockdep splat: nfsroot on 2.6.39-rc2

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Message-ID: <20110411072306.GA17806@ele.uri.edu>
Date:	Mon, 11 Apr 2011 03:23:07 -0400
From:	"Will Simoneau" <simoneau@....uri.edu>
To:	Dave Chinner <david@...morbit.com>
Cc:	linux-kernel@...r.kernel.org, linux-nfs@...r.kernel.org
Subject: Re: lockdep splat: nfsroot on 2.6.39-rc2

On 14:02 Mon 11 Apr     , Dave Chinner wrote:
> On Sat, Apr 09, 2011 at 10:55:02PM -0400, Will Simoneau wrote:
> > This seems to happen consistently when running "apt-get update". Ideas?
> > Known bug?
> 
> The bug is in nfs_commit_inode(), where it calls nfs_scan_commit()
> with the inode->i_lock held and that calls __mark_inode_dirty()
> which takes the inode->i_lock....
> 
> The patch below should fix this problem.

I can confirm that your patch fixes the issue. Thanks for the fix!

Tested-by: Will Simoneau <simoneau@....uri.edu>

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