From: Mike Christie <michaelc@cs.wisc.edu>
Date: Sun, 31 Jul 2011 20:05:09 +0000 (+0200)
Subject: block: add bsg helper library
X-Git-Tag: v3.1-rc3~9^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa387cc895672b00f807ad7c734a2defaf677712;p=pandora-kernel.git

block: add bsg helper library

This moves the FC classes bsg code to the block layer and
makes it a lib so that other classes like iscsi and SAS can use it.

It is helpful because working with the request queue, bios,
creating scatterlists, etc are a pain that the LLD does not
have to worry about with normal IOs and should not have to
worry about for bsg requests.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
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