From d0c7d7082ee1ec4f95ee57bf86ed39d1a27c4037 Mon Sep 17 00:00:00 2001
From: Mark Fasheh <mark.fasheh@oracle.com>
Date: Tue, 3 Jul 2007 13:27:22 -0700
Subject: [PATCH] ocfs2: btree support for removal of arbirtrary extents

Add code to the btree paths to support the removal of arbitrary regions
within an existing extent. With proper higher level support this can be used
to "punch holes" in a file. Truncate (a special case of hole punching) could
also be converted to use these methods.

Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
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