From: Chetan Loke <loke.chetan@gmail.com>
Date: Tue, 31 Jul 2012 06:47:13 +0000 (+0200)
Subject: block/nbd: micro-optimization in nbd request completion
X-Git-Tag: v3.6-rc1~6^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=01ff5dbc0925d11c8ad76eed3bdd02d0c7e1e0f5;p=pandora-kernel.git

block/nbd: micro-optimization in nbd request completion

Add in-flight cmds to the tail. That way while searching
(during request completion),we will always get a hit on the
first element.

Signed-off-by: Chetan Loke <loke.chetan@gmail.com>
Acked-by: Paul.Clements@steeleye.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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