From: Matthew Wilcox <matthew.r.wilcox@intel.com>
Date: Thu, 27 Mar 2014 20:40:31 +0000 (-0400)
Subject: mpt3sas: Remove use of DEF_SCSI_QCMD
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~13^2~46
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d8bfbd8d333f84f7c72a0e5f5979291ad8438dbb;p=pandora-kernel.git

mpt3sas: Remove use of DEF_SCSI_QCMD

Removing the host_lock from the I/O submission path gives a huge
scalability improvement.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Reviewed-by: Praveen Krishnamoorthy <Praveen.krishnamoorthy@lsi.com>
Acked-by: Sreekanth Reddy <Sreekanth.reddy@lsi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---

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