linux-kernel - Re: [ANNOUNCE] Btrfs v0.12 released

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Date:	Mon, 11 Feb 2008 22:43:38 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	chris.mason@...cle.com
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	btrfs-devel@....oracle.com
Subject: Re: [ANNOUNCE] Btrfs v0.12 released

From: Chris Mason <chris.mason@...cle.com>
Date: Mon, 11 Feb 2008 08:42:20 -0500

> The kernel is actually worse, because the set/get macros are more complex.  
> Some live in ctree.h like in the progs, but the nasty ones live in 
> struct-funcs.c

This is really problematic, because you've got these things called
"btrfs_item_ptr()" which really isn't a pointer, it's a relative
'unsigned long' offset cast to a pointer.  The source of this
seems to be btrfs_leaf_data().

And then those things get passed down into the SETGET functions!

Then deeper down we have terribly inconsistent things like
btrfs_item_nr_offset() and
btrfs_item_offset_nr().

Sigh... I'll see what I can do.
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