From: Sam Bradshaw <sbradshaw@micron.com>
Date: Fri, 23 May 2014 19:30:16 +0000 (-0600)
Subject: blk-mq: export blk_mq_tag_busy_iter
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~49^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=edf866b3805c5651bf7d035b72dc0190cb6ff4a7;p=pandora-kernel.git

blk-mq: export blk_mq_tag_busy_iter

Export the blk-mq in-flight tag iterator for driver consumption.
This is particularly useful in exception paths or SRSI where
in-flight IOs need to be cancelled and/or reissued. The NVMe driver
conversion will use this.

Signed-off-by: Sam Bradshaw <sbradshaw@micron.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@fb.com>
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