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Re: 2.6.30-06725: xfs_fsr: Assertion failed: ip->i_delayed_blks == 0, f

To: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Subject: Re: 2.6.30-06725: xfs_fsr: Assertion failed: ip->i_delayed_blks == 0, file: fs/xfs/xfs_bmap.c, line: 5991
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat, 20 Jun 2009 14:01:16 -0400
Cc: Alexander Beregalov <a.beregalov@xxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <961884583.292281245481464174.JavaMail.root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <941396568.292261245481145500.JavaMail.root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <961884583.292281245481464174.JavaMail.root@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.18 (2008-05-17)
On Sat, Jun 20, 2009 at 03:04:24AM -0400, Lachlan McIlroy wrote:
> Hi Alexander,
> 
> I've seen this assertion before and if it's the problem I think it
> is then it should be fixed with this patch:
> 
> http://oss.sgi.com/archives/xfs/2009-02/msg00176.html
> 
> It shouldn't be difficult to test this too - If you run about 1024
> dd writers to separate 100MB files and then run xfs_bmap on each
> file afterwards it should assert.

Thas is in a filesystem not big enough to actually fit those files,
right?  Might be worth adding a testcase like this..

Alex, can you give that patch a try?

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