From: Steven Whitehouse <swhiteho@redhat.com>
Date: Tue, 29 Jan 2008 09:12:55 +0000 (+0000)
Subject: [GFS2] Introduce array of buffers to struct metapath
X-Git-Tag: v2.6.26-rc1~1144^2~35
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=dbac6710a6dfcec7fbe7d9571c183d86a4237623;p=pandora-kernel.git

[GFS2] Introduce array of buffers to struct metapath

The reason for doing this is to allow all the block mapping code
to share the same array. As a result we can remove two arguments
from lookup_metapath since they are now returned via the array.

We also add a function to drop all refs to buffer heads when we
are done with the metapath. The build_height function shares the
struct metapath, but currently still frees its own buffers, and
this will change in a future patch.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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