From: Xiaochuan-Xu <xiaochuan-xu@cqu.edu.cn>
Date: Mon, 15 Dec 2008 13:07:41 +0000 (+0800)
Subject: UBI: simplify PEB protection code
X-Git-Tag: v2.6.29-rc1~534^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b6c32daec3bff380ced6822002bc352bdf2c982;p=pandora-kernel.git

UBI: simplify PEB protection code

UBI has 2 RB-trees to implement PEB protection, which is too
much for simply prevent PEB from being moved for some time.
This patch implements this using lists. The benefits:

1. No need to allocate protection entry on each PEB get.
2. No need to maintain balanced trees and walk them.

Signed-off-by: Xiaochuan-Xu <xiaochuan-xu@cqu.edu.cn>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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