From: Kent Overstreet <kmo@daterainc.com>
Date: Sat, 10 Aug 2013 04:14:13 +0000 (-0700)
Subject: bcache: Don't touch bucket gen for dirty ptrs
X-Git-Tag: v3.14-rc1~42^2~39
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d56d000a1f424aa77538bd5aad18b43037ed20cc;p=pandora-kernel.git

bcache: Don't touch bucket gen for dirty ptrs

Unnecessary since a bucket that has dirty pointers pointing to it can
never be invalidated - and skipping it is a measurable performance
boost, since the bucket gen will usually be a cache miss.

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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