From: Mike Snitzer <snitzer@redhat.com>
Date: Tue, 24 Feb 2015 00:10:15 +0000 (-0500)
Subject: dm: remove request-based DM queue's lld_busy_fn hook
X-Git-Tag: omap-for-v4.1/fixes-rc1~106^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d56b9b28a4a5d9e61dd99154b986e760373e2392;p=pandora-kernel.git

dm: remove request-based DM queue's lld_busy_fn hook

DM multipath is the only caller of blk_lld_busy() -- which calls a
queue's lld_busy_fn hook.  Request-based DM doesn't support stacking
multipath devices so there is no reason to register the lld_busy_fn hook
on a multipath device's queue using blk_queue_lld_busy().

As such, remove functions dm_lld_busy and dm_table_any_busy_target.

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