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(parent: 2e45c8b) | patch
mpt2sas: Remove use of DEF_SCSI_QCMD
authorMatthew Wilcox <matthew.r.wilcox@intel.com>
Thu, 27 Mar 2014 20:40:33 +0000 (16:40 -0400)
committerChristoph Hellwig <hch@lst.de>
Wed, 28 May 2014 16:13:23 +0000 (18:13 +0200)
commit90f951edb702c887ea392aee8a3e42bdabd27803
tree563baba3166abd73aebb30eafe6315601ca5c5dftree | snapshot
parent2e45c8b754f28e65dede5246a5e0848212c397e8commit | diff
mpt2sas: 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>
drivers/scsi/mpt2sas/mpt2sas_scsih.c diff | blob | history
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