From 59b1134c5a2aab2c70725af83d2e2d1c71c509ca Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Sat, 28 Jun 2014 12:22:22 +0200
Subject: [PATCH] sd: don't use scsi_setup_blk_pc_cmnd for write same requests

Simplify handling of write same requests by setting up the command directly
instead of initializing request fields and then calling
scsi_setup_blk_pc_cmnd to propagate the information into the command.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Webb Scales <webbnh@hp.com>
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