From 911c9610099f26e9e6ea3d1962ce24f53890b163 Mon Sep 17 00:00:00 2001
From: Kent Overstreet <kmo@daterainc.com>
Date: Sun, 28 Jul 2013 18:35:09 -0700
Subject: [PATCH] bcache: Split out sort_extent_cmp()

Only use extent comparison for comparing extents, so we're not using
START_KEY() on other key types (i.e. btree pointers)

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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Reading git-format-patch failed