From: Joel Becker <joel.becker@oracle.com>
Date: Sat, 25 Oct 2008 00:04:49 +0000 (-0700)
Subject: ocfs2: Convenient access to an xattr bucket's header.
X-Git-Tag: v2.6.29-rc1~505^2~134
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e6329463e3a5c311e1d607ff3db735a18b6d67a;p=pandora-kernel.git

ocfs2: Convenient access to an xattr bucket's header.

The xattr code often wants to access the ocfs2_xattr_header at the start
of an bucket.  Rather than walk the pointer chains, let's just create
another nice macro.  As a side benefit, we can get rid of the mostly
spurious ->bu_xh element on the bucket structure.  The idea is ripped
from the ocfs2_path code.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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