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

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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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Christoph Hellwig 2015-08-27 14:17:00 +02:00 • committed by James Bottomley

parent ee14c674e8

commit e959ed9a44

1 changed files with 46 additions and 53 deletions

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drivers/scsi/scsi_dh.c

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