From: Bob Peterson <rpeterso@redhat.com>
Date: Wed, 12 Dec 2007 00:49:21 +0000 (-0600)
Subject: [GFS2] Journal extent mapping
X-Git-Tag: v2.6.25-rc1~1241^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=da6dd40d59fa9617ed697b90114e197036901632;p=pandora-kernel.git

[GFS2] Journal extent mapping

This patch saves a little time when gfs2 writes to the journals by
keeping a mapping between logical and physical blocks on disk.
That's better than constantly looking up indirect pointers in
buffers, when the journals are several levels of indirection
(which they typically are).

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