From 202ee5facb2c55f36a4324a4f56d8bdf3617a579 Mon Sep 17 00:00:00 2001
From: Tristan Ye <tristan.ye@oracle.com>
Date: Fri, 18 Mar 2011 14:35:34 +0800
Subject: [PATCH] Ocfs2/move_extents: defrag a range of extent.

It's a relatively complete function to accomplish defragmentation for entire
or partial extent, one journal handle was kept during the operation, it was
logically doing one more thing than ocfs2_move_extent() acutally, yes, it's
claiming the new clusters itself;-)

Signed-off-by: Tristan Ye <tristan.ye@oracle.com>
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