From: Mike Snitzer <snitzer@redhat.com>
Date: Mon, 23 Feb 2015 22:56:37 +0000 (-0500)
Subject: dm: remove request-based logic from make_request_fn wrapper
X-Git-Tag: omap-for-v4.1/fixes-rc1~106^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ff36ab34583ae23250a4bf39805d69771e7e0131;p=pandora-kernel.git

dm: remove request-based logic from make_request_fn wrapper

The old dm_request() method used for q->make_request_fn had a branch for
request-based DM support but it isn't needed given that
dm_init_request_based_queue() sets it to the standard blk_queue_bio()
anyway.

Cleanup dm_init_md_queue() to be DM device-type agnostic and have
dm_setup_md_queue() properly finish queue setup based on DM device-type
(bio-based vs request-based).

A followup block patch can be made to remove the export for
blk_queue_bio() now that DM no longer calls it directly.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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