From: Christoph Hellwig <hch@lst.de>
Date: Thu, 27 Aug 2015 12:17:00 +0000 (+0200)
Subject: scsi_dh: add a common helper to get a scsi_device from a request_queue
X-Git-Tag: omap-for-v4.3/fixes-rc1~25^2~20
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e959ed9a44c5239863ca6db42cb37130bee3c7a3;p=pandora-kernel.git

scsi_dh: add a common helper to get a scsi_device from a request_queue

And cleanup the various messy opencoded versions of this.  Note that this
moves the sdev_state checks outside the queue_lock coverage, but as
we don't hold the lock over the activation they are only advisory anyway.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
---

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