From e16a33adc0e59aa96a483fd2923d77e674f013c1 Mon Sep 17 00:00:00 2001
From: Matt Gates <matthew.gates@hp.com>
Date: Tue, 1 May 2012 11:43:11 -0500
Subject: [PATCH] [SCSI] hpsa: refine interrupt handler locking for greater
 concurrency

Use spinlocks with finer granularity in the submission and
completion paths to allow concurrent execution for multiple
reply queues.  In particular, do not hold a spin lock while
submitting a request to the device, nor during most of the
interrupt handler.

Signed-off-by: Matt Gates <matthew.gates@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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