From 0b15fb1fdfd403726542cb6111bc916b7a9f7fad Mon Sep 17 00:00:00 2001
From: Xiangliang Yu <yuxiangl@marvell.com>
Date: Tue, 26 Apr 2011 06:36:51 -0700
Subject: [PATCH] [SCSI] mvsas: add support for Task collector mode and fixed
 relative bugs

1. Add support for Task collector mode.
2. Fixed relative collector mode bug:
   - I/O failed when disks is on two ports
   - system hang when hotplug disk
   - system hang when unplug disk during run IO
3. Unlock ap->lock within .lldd_execute_task for direct mode to
   improve performance

Signed-off-by: Xiangliang Yu <yuxiangl@marvell.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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