From: Nicholas Swenson <nks@daterainc.com>
Date: Wed, 27 Nov 2013 03:14:23 +0000 (-0800)
Subject: bcache: fix for gc and writeback race
X-Git-Tag: v3.13-rc6~5^2~8^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bf0a628a95dba7f983b6047cea695fb066fb2512;p=pandora-kernel.git

bcache: fix for gc and writeback race

Garbage collector needs to check keys in the writeback keybuf to
make sure it's not invalidating buckets to which the writeback
keys point to.

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