From: Tejun Heo <tj@kernel.org>
Date: Mon, 19 Mar 2012 22:10:57 +0000 (-0700)
Subject: cfq: pass around cfq_io_cq instead of io_context
X-Git-Tag: v3.5-rc1~42^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=abede6da27d9bd62ea9512830c83e32b3ee1104c;p=pandora-kernel.git

cfq: pass around cfq_io_cq instead of io_context

Now that io_cq is managed by block core and guaranteed to exist for
any in-flight request, it is easier and carries more information to
pass around cfq_io_cq than io_context.

This patch updates cfq_init_prio_data(), cfq_find_alloc_queue() and
cfq_get_queue() to take @cic instead of @ioc.  This change removes a
duplicate cfq_cic_lookup() from cfq_find_alloc_queue().

This change enables the use of cic-cached ioprio in the next patch.

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