From: Tejun Heo <tj@kernel.org>
Date: Tue, 13 Dec 2011 23:33:39 +0000 (+0100)
Subject: block, cfq: kill ioc_gone
X-Git-Tag: v3.3-rc1~49^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b50b636bce6293fa858cc7ff6c3ffe4920d90006;p=pandora-kernel.git

block, cfq: kill ioc_gone

Now that cic's are immediately unlinked under both locks, there's no
need to count and drain cic's before module unload.  RCU callback
completion is waited with rcu_barrier().

While at it, remove residual RCU operations on cic_list.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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