linux-kernel - Re: [PATCH] BTRFS: Transpose parent_objectid and parent_gen in struct btrfs

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Message-Id: <1237398360.27829.105.camel@macbook.infradead.org>
Date:	Wed, 18 Mar 2009 17:46:00 +0000
From:	David Woodhouse <dwmw2@...radead.org>
To:	David Howells <dhowells@...hat.com>
Cc:	Chris Mason <chris.mason@...cle.com>, balajirrao@...il.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] BTRFS: Transpose parent_objectid and parent_gen in
 struct btrfs_fid

On Wed, 2009-03-18 at 17:38 +0000, David Howells wrote:
> If the CPU doing the load/store throws a misalignment exception or just
> ignores the instruction because it's misaligned, it might make for interesting
> debugging.

That would require a 64-bit CPU which doesn't naturally handle unaligned
loads, and a compiler bug.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation

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