From: Kay Sievers <kay.sievers@vrfy.org>
Date: Sun, 31 Jul 2011 20:08:04 +0000 (+0200)
Subject: loop: replace linked list of allocated devices with an idr index
X-Git-Tag: v3.1-rc3~9^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=34dd82afd27da2537199d7f71f1542501c6f96e7;p=pandora-kernel.git

loop: replace linked list of allocated devices with an idr index

Replace the linked list, that keeps track of allocated devices, with an
idr index to allow a more efficient lookup of devices.

Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---

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