From: Ajeet Yadav <ajeet.yadav.77@gmail.com>
Date: Tue, 27 Dec 2011 09:40:04 +0000 (+0530)
Subject: Squashfs: optimise squashfs_cache_get entry search
X-Git-Tag: v3.3-rc1~76^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d7fbd893388d9e86d29b7cfbd5457bcf03496fbf;p=pandora-kernel.git

Squashfs: optimise squashfs_cache_get entry search

squashfs_cache_get() iterates over all entries to search for
 block its looking for. Often get() / put() are called for
 same block.

If we cache the current entry index, then we can optimise the
subsequent *_get() calls.

Signed-off-by: Ajeet Yadav <ajeet.yadav.77@gmail.com>
Signed-off-by: Phillip Lougher <phillip@squashfs.org.uk>
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