> On May 3, 2016, at 8:05 AM, Warren Block <wbl...@wonkity.com> wrote: > > On Tue, 3 May 2016, Johan Hendriks wrote: > >> Op 02/05/16 om 02:49 schreef Warren Block: >> CAM I/O Scheduler >> >> Links >> I/O Scheduling in FreeBSD's CAM Subsystem (PDF) URL: >> https://people.freebsd.org/~imp/bsdcan2015/iosched-v3.pdf >> The BSDCan 2015 Talk URL: https://www.youtube.com/watch?v=3WqOLolj5EU >> >> Contact: Warner Losh <wl...@netflix.com> >> >> An enhanced CAM I/O scheduler has been committed to the tree. By >> default, this scheduler implements the old behavior. In addition, an >> advanced adaptive scheduler is available. Along with the scheduler, >> SATA disks can now use Queued Trims with devices that support them. >> Details about the new scheduler are available in the I/O Scheduling >> in >> FreeBSD's CAM Subsystem article (PDF) or from the BSDCan 2015 talk. >> I updated my source today, but CAM_ADAPTIVE_IOSCHED yields an error about an >> unknown option. >> If I use CAM_NETFLIX_IOSCHED the kernel compiles. >> Is the name CAM_NETFLIX_IOSCHED changing to CAM_ADAPTIVE_IOSCHED? > > That is my understanding, yes. Warner can certainly explain it better than I > can, so CCed.
I’m changing it to CAM_ADAPTIVE_IOSCHED, but haven’t yet due to “work flow” issues in making sure that the Netflix repo doesn’t see a large number of conflicts when this is merged. I’ll see if I can finish today, but CAM_NETFLIX_IOSCHED is the old name. Warner
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