From ec5cbf0422500ada7682a95e5c379dd13dd3a74c Mon Sep 17 00:00:00 2001
From: Webb Scales <webbnh@hp.com>
Date: Fri, 23 Jan 2015 16:44:45 -0600
Subject: [PATCH] hpsa: move SG descriptor set-up out of hpsa_scatter_gather()

Move the code which sets up the SG descriptor out of hpsa_scatter_gather()
and into a subroutine where it can be reused (in the next patch).  The Ext
field is now assigned unconditionally: this makes the refactor much simpler,
but more importantly it removes a conditional operation from inside the
loop.  The case for which the conditional formerly tested is now executed
(unconditionally) after the loop is exited.

Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Signed-off-by: Webb Scales <webbnh@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
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