OpenCloudOS-Kernel/drivers/scsi/mpt2sas
Matthew Wilcox 049b3e81d7 mpt2sas: Add free smids to the head, not tail of list
Reusing a smid quickly means it's still cache-hot.  This yields a small
but noticable performance improvement in a well-known database benchmark.
This improvement is already present in the mpt3sas driver.

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>
2014-05-28 18:13:24 +02:00
..
mpi [SCSI] mpt2sas: MPI2 Rev X (2.00.16) specifications 2013-09-03 07:27:51 -07:00
Kconfig [SCSI] mpt2sas: 2012 source code copyright 2012-08-24 13:10:25 +04:00
Makefile [SCSI] mpt2sas v00.100.11.15 2009-03-13 16:08:49 -05:00
mpt2sas_base.c mpt2sas: Add free smids to the head, not tail of list 2014-05-28 18:13:24 +02:00
mpt2sas_base.h mpt2sas: Remove uses of serial_number 2014-05-28 18:13:23 +02:00
mpt2sas_config.c [SCSI] mpt2sas: The copyright in driver sources is updated for the year 2013 2013-09-03 07:27:51 -07:00
mpt2sas_ctl.c mpt2sas: Remove uses of serial_number 2014-05-28 18:13:23 +02:00
mpt2sas_ctl.h [SCSI] mpt2sas: The copyright in driver sources is updated for the year 2013 2013-09-03 07:27:51 -07:00
mpt2sas_debug.h [SCSI] mpt2sas: The copyright in driver sources is updated for the year 2013 2013-09-03 07:27:51 -07:00
mpt2sas_scsih.c mpt2sas: Remove use of DEF_SCSI_QCMD 2014-05-28 18:13:23 +02:00
mpt2sas_transport.c block: Kill bio_segments()/bi_vcnt usage 2013-11-23 22:33:51 -08:00