From owner-svn-src-head@freebsd.org Wed Jun 13 19:35:58 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C3ECA100ADCE for ; Wed, 13 Jun 2018 19:35:58 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from pmta2.delivery6.ore.mailhop.org (pmta2.delivery6.ore.mailhop.org [54.200.129.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4627E76382 for ; Wed, 13 Jun 2018 19:35:58 +0000 (UTC) (envelope-from ian@freebsd.org) X-MHO-RoutePath: aGlwcGll X-MHO-User: f9a7a48d-6f40-11e8-b829-b3adae557cda X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [67.177.211.60]) by outbound2.ore.mailhop.org (Halon) with ESMTPSA id f9a7a48d-6f40-11e8-b829-b3adae557cda; Wed, 13 Jun 2018 19:35:50 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id w5DJZmUu061259; Wed, 13 Jun 2018 13:35:48 -0600 (MDT) (envelope-from ian@freebsd.org) Message-ID: <1528918548.12122.74.camel@freebsd.org> Subject: Re: svn commit: r335066 - in head/sys: kern sys From: Ian Lepore To: Warner Losh , Ravi Pokala Cc: Warner Losh , src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Date: Wed, 13 Jun 2018 13:35:48 -0600 In-Reply-To: References: <201806131648.w5DGm7i4037714@repo.freebsd.org> <7D695D8A-D273-4914-9980-F4BD096A80A2@panasas.com> Content-Type: text/plain; charset="ASCII" X-Mailer: Evolution 3.18.5.1 FreeBSD GNOME Team Port Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 13 Jun 2018 19:35:58 -0000 On Wed, 2018-06-13 at 13:22 -0600, Warner Losh wrote: > So we implement the elevator algorithm, but limit the number of requests > that we can put in each 'car'. Elevators themselves are sometimes call > 'cars' for reasons I have no clue about. An "elevator" is an entire system for moving something vertically. It includes a lift mechanism, guide system (rails, etc), control mechanisms, etc. When the portion of the system that moves is an enclosed space (not a simple platform or bucket) which carries people and/or goods, that part is called a "carriage" or "car". -- Ian (who was oddly fascinated by elevators as a child)