From: Robin Dong <hao.bigrat@gmail.com>
Subject: [PATCH 0/9 v2 bigalloc] ext4: change unit of extent's ee_block and ee_len from block to cluster for bigalloc
Date: Fri, 18 Nov 2011 18:42:55 +0800
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Cc: Robin Dong <sanbai@taobao.com>
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From: Robin Dong <sanbai@taobao.com>

Hi,

This patch series change ee_block and ee_len (of extent) 's unit from "block" to "cluster",
since it could reduce the space occupied by meta data.

This patch series should be used after Ted's bigalloc-patchs and it now can't support:
1. delay allocation
2. 1k/2k blocksize