From: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Date: Thu, 16 Oct 2008 14:14:27 +0000 (-0400)
Subject: ext4: Use an rbtree for tracking blocks freed during transaction.
X-Git-Tag: v2.6.28-rc1~257^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c894058d66637c7720569fbe12957f4de64d9991;p=pandora-kernel.git

ext4: Use an rbtree for tracking blocks freed during transaction.

With this patch we track the block freed during a transaction using
red-black tree.  We also make sure contiguous blocks freed are collected
in one node in the tree.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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