linux-kernel - Re: [PATCH] xfs: reduce stack usage in xfs_bmap

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Message-Id: <1209341212.23166.122.camel@edge.scott.net.au>
Date:	Mon, 28 Apr 2008 10:06:51 +1000
From:	Nathan Scott <nscott@...nex.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Denys Vlasenko <vda.linux@...glemail.com>,
	David Chinner <dgc@....com>, xfs@....sgi.com,
	Eric Sandeen <sandeen@...deen.net>,
	Adrian Bunk <bunk@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] xfs: reduce stack usage in xfs_bmap_btalloc()

On Sat, 2008-04-26 at 16:23 -0400, Christoph Hellwig wrote:
> 
> 
> 
> 
>                              Date: 
> Sat, 26 Apr 2008 16:23:23 -0400
> (Sun, 06:23 EST)
> 
> 
> On Sat, Apr 26, 2008 at 10:26:30PM +0200, Andi Kleen wrote:
> > > STATIC as defined by xfs already does this..
> > 
> > Weird. Unexpected. Different from everyone else. Is this some
> exercise in 
> > obfuscation?
> 
> The whole STATIC thing is weird to start with..
> 

Having to compile chunks of XFS code in both kernel and
userspace is also wierd (relative to other drivers), and
its a side-effect of needing to do that (all the code
dealing with specifics of ondisk format is shared).

cheers.

-- 
Nathan

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