From owner-freebsd-current@FreeBSD.ORG Tue Apr 13 22:37:06 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 75EFA1065673; Tue, 13 Apr 2010 22:37:06 +0000 (UTC) (envelope-from bf1783@googlemail.com) Received: from mail-ww0-f54.google.com (mail-ww0-f54.google.com [74.125.82.54]) by mx1.freebsd.org (Postfix) with ESMTP id 8CEB88FC16; Tue, 13 Apr 2010 22:37:05 +0000 (UTC) Received: by wwa36 with SMTP id 36so910817wwa.13 for ; Tue, 13 Apr 2010 15:37:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:reply-to:in-reply-to :references:date:received:message-id:subject:from:to:cc:content-type; bh=gW9Gi8A0Sv2zjYuHxWJNJkrsNrxt1SkcrXdSk309FfY=; b=GTEAz92DHj35aZiBzsGoRTc7dDi8kOdzKPbPWZ2dDsULxtyQPDqpdAtk0ySvEIEAfb xBa7oOG1moHu+eJSEdrlGvmsT2TJwctdbbYNmhBhYcvo1lIbF8/SqSIheIflaSA+yv/l /nCeZ2G93yKHHI4Lygh7m/WFnKjAupW03tvSE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; b=cpI7XTqVKBoI1VHFBRy4CcMwqMhv4BLX4eZIRQffYnGZMvPvTuvgUkAqs/ZuxZMwWL LDVv0qRpyBR+26Hv2qUCAjQqy9hRKQWjx7S+qeOnEpBDsxSEcDu3TNj68e+R2aHSlqBs kiL59clwU8xghgq33Py65eu8pazcMjjmSGsxo= MIME-Version: 1.0 Received: by 10.216.186.82 with HTTP; Tue, 13 Apr 2010 15:37:04 -0700 (PDT) In-Reply-To: <20100413201444.GB47657@onelab2.iet.unipi.it> References: <20100413201444.GB47657@onelab2.iet.unipi.it> Date: Tue, 13 Apr 2010 22:37:04 +0000 Received: by 10.216.178.85 with SMTP id e63mr508375wem.156.1271198224422; Tue, 13 Apr 2010 15:37:04 -0700 (PDT) Message-ID: From: "b. f." To: Luigi Rizzo Content-Type: text/plain; charset=ISO-8859-1 Cc: fabio@freebsd.org, luigi@freebsd.org, freebsd-current@freebsd.org, freebsd-geom@freebsd.org Subject: Re: svn commit: r206497 - in head: sbin/geom/class sbin/geom/class/sched sys/geom/sched sys/modules/geom sys/modules/geom/geom_sched sys/modules/geom/geom_sched/gs_sched sys/modules/geom/geom_sched/gsc... X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: bf1783@gmail.com List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Apr 2010 22:37:06 -0000 On 4/13/10, Luigi Rizzo wrote: > On Tue, Apr 13, 2010 at 07:09:50PM +0000, b. f. wrote: >> >Author: luigi >> >Date: Mon Apr 12 16:37:45 2010 >> >New Revision: 206497 >> >URL: http://svn.freebsd.org/changeset/base/206497 >> > >> >Log: >> > Bring in geom_sched, support for scheduling disk I/O requests >> > in a device independent manner. Also include an example anticipatory >> > scheduler, gsched_rr, which gives very nice performance improvements >> > in presence of competing random access patterns. >> >> Thank you for bringing this in. Do you or your collaborators also >> plan to add the BFQ scheduler that was in the earlier separate > > sooner or later, yes. Oh, good. What do you think about adding an easy way to automatically enable scheduling on designated disks -- an rc-script, like that for geli, for example? Regards, b.