Date: Fri, 15 Apr 2016 09:22:02 -0700 From: Conrad Meyer <cem@FreeBSD.org> To: Maxim Sobolev <sobomax@freebsd.org> Cc: Warner Losh <imp@bsdimp.com>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: Heads up Message-ID: <CAG6CVpXKZJFi7f=uxoXbc-MoHwd6JqZMwh-6m%2BGZvJ9JT95ZOA@mail.gmail.com> In-Reply-To: <CAH7qZftspY=i5MaQ6sNg5L5XXBN7gfCuAMO-NZt=7Qp5zo6u_w@mail.gmail.com> References: <CANCZdfpnYnVrvhNagYUT9RhAuC1AMCrxh=GCt8RKT0bqxuJybw@mail.gmail.com> <CAH7qZftspY=i5MaQ6sNg5L5XXBN7gfCuAMO-NZt=7Qp5zo6u_w@mail.gmail.com>
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Max, If you implement a new IO scheduler you can name it whatever you like. "NG" isn't any more meaningful than "Netflix." Best, Conrad On Fri, Apr 15, 2016 at 9:13 AM, Maxim Sobolev <sobomax@freebsd.org> wrote: > Great, work Warner, thanks! Small note, though. The CAM_IOSCHED_NETFLIX > seems like a quite poor name for a kernel option. IMHO there is no good > reason for polluting it with the name of the company that sponsored the > development. I don't think we have any precedents of doing this unless the > option is related to a piece of hardware that the company makes, and it's > not the case here. Apart from "coolness" factor as far as I understand that > _NETFLIX suffix does not give any tangible benefit for anybody reading > kernel config and trying to understand what this option actually does. > CAM_IOSCHED_SSDNG or something would be better IMHO. Just my $0.02. > > -Max > > On Thu, Apr 14, 2016 at 3:42 PM, Warner Losh <imp@bsdimp.com> wrote: > >> The CAM I/O scheduler has been committed to current. This work is described >> in https://people.freebsd.org/~imp/bsdcan2015/iosched-v3.pdf though the >> default scheduler doesn't change the default (old) behavior. >> >> One possible issue, however, is that it also enables NCQ Trims on ada SSDs. >> There are a few rogue drives that claim support for this feature, but >> actually implement data corrupt instead of queued trims. The list of known >> rogues is believed to be complete, but some caution is in order. >> >> Warner >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >> >> > _______________________________________________ > freebsd-current@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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