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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-03-27 21:40:34 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-28 18:13:24 +0200 |
| commit | 049b3e81d79b1957c0be231d66a98b5715b347e4 (patch) | |
| tree | 57af9a39717582e37d9ed17be3a1ebc551d527ab /drivers/message | |
| parent | mpt2sas: Remove use of DEF_SCSI_QCMD (diff) | |
| download | linux-049b3e81d79b1957c0be231d66a98b5715b347e4.tar.xz linux-049b3e81d79b1957c0be231d66a98b5715b347e4.zip | |
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>
Diffstat (limited to 'drivers/message')
0 files changed, 0 insertions, 0 deletions