Searched hist:248922 (Results 1 - 3 of 3) sorted by relevance
| /freebsd-10.1-release/sys/cam/ | ||
| H A D | cam.c | diff 248922 Fri Mar 29 21:10:33 MDT 2013 smh Adds the ability to enable / disable sorting of BIO requests queued within CAM. This can significantly improve performance particularly for SSDs which don't suffer from seek latencies. The sysctl / tunable kern.cam.sort_io_queues provides the systems default setting where:- 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted (default) Each device gets its own sysctl kern.cam.<type>.<id>.sort_io_queue Valid values are:- -1 = use system default (default) 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted Note: Additional patch will look to add automatic use of none sorted queues for none rotating media e.g. SSD's Reviewed by: scottl Approved by: pjd (mentor) MFC after: 2 weeks |
| H A D | cam.h | diff 248922 Fri Mar 29 21:10:33 MDT 2013 smh Adds the ability to enable / disable sorting of BIO requests queued within CAM. This can significantly improve performance particularly for SSDs which don't suffer from seek latencies. The sysctl / tunable kern.cam.sort_io_queues provides the systems default setting where:- 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted (default) Each device gets its own sysctl kern.cam.<type>.<id>.sort_io_queue Valid values are:- -1 = use system default (default) 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted Note: Additional patch will look to add automatic use of none sorted queues for none rotating media e.g. SSD's Reviewed by: scottl Approved by: pjd (mentor) MFC after: 2 weeks |
| /freebsd-10.1-release/sys/cam/scsi/ | ||
| H A D | scsi_da.c | diff 248922 Fri Mar 29 21:10:33 MDT 2013 smh Adds the ability to enable / disable sorting of BIO requests queued within CAM. This can significantly improve performance particularly for SSDs which don't suffer from seek latencies. The sysctl / tunable kern.cam.sort_io_queues provides the systems default setting where:- 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted (default) Each device gets its own sysctl kern.cam.<type>.<id>.sort_io_queue Valid values are:- -1 = use system default (default) 0 = queued BIOs are NOT sorted 1 = queued BIOs are sorted Note: Additional patch will look to add automatic use of none sorted queues for none rotating media e.g. SSD's Reviewed by: scottl Approved by: pjd (mentor) MFC after: 2 weeks |
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