Message-ID: <4569A541.3030600@sandeen.net>
Date: Sun, 26 Nov 2006 08:31:29 -0600
From: Eric Sandeen <sandeen@sandeen.net>
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To: Arjan van de Ven <arjan@infradead.org>
CC: Al Viro <viro@ftp.linux.org.uk>, David Miller <davem@davemloft.net>,
       dgc@sgi.com, jesper.juhl@gmail.com, chatz@melbourne.sgi.com,
       linux-kernel@vger.kernel.org, xfs@oss.sgi.com, xfs-masters@oss.sgi.com,
       netdev@vger.kernel.org, linux-scsi@vger.kernel.org
Subject: Re: 2.6.19-rc6 : Spontaneous reboots, stack overflows - seems to
 implicate xfs, scsi, networking, SMP
References: <9a8748490611211551v2ebe88fel2bcf25af004c338a@mail.gmail.com>	 <9a8748490611220458w4d94d953v21f7a29a9f1bdb72@mail.gmail.com>	 <20061123011809.GY37654165@melbourne.sgi.com>	 <20061122.201013.112290046.davem@davemloft.net>	 <20061123043543.GI3078@ftp.linux.org.uk> <1164269545.31358.771.camel@laptopd505.fenrus.org>
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Arjan van de Ven wrote:
> On Thu, 2006-11-23 at 04:35 +0000, Al Viro wrote:
>>> I would even say 10 function calls deep to allocate file blocks
>>> is overkill, but 22 it just astronomically bad.
>> Especially since a large part is due to cxfs...
>> -
> 
> it's a bit sad to see XFS this crippled in linux due to an external,
> proprietary module ;(
> 

I understand that cxfs is a bit of a whipping-boy, but the stacks in 
question in this thread really don't have much if anything to do with 
the filesystem layering in xfs.  They are deep callchains & large 
functions in core xfs code, it seems.

-Eric
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