From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Date: Tue, 24 Jun 2014 15:00:44 +0000 (+0900)
Subject: btrfs compression: reuse recently used workspace
X-Git-Tag: omap-for-v3.16/fixes-rc4~19^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c39aa7056f50fa7b49265ea35c0f3eddb7c7be68;p=pandora-kernel.git

btrfs compression: reuse recently used workspace

Add compression `workspace' in free_workspace() to
`idle_workspace' list head, instead of tail. So we have
better chances to reuse most recently used `workspace'.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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