From 93dfc52656e9ae1009ccba67e67ff69285b7743f Mon Sep 17 00:00:00 2001
From: Chao Yu <chao2.yu@samsung.com>
Date: Thu, 19 Mar 2015 19:24:59 +0800
Subject: [PATCH] f2fs: introduce __{find,grab}_extent_tree

This patch introduces __{find,grab}_extent_tree for reusing by following
patches.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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Reading git-format-patch failed