From owner-svn-src-head@FreeBSD.ORG Mon Dec 6 22:36:42 2010 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AA4EA106566B; Mon, 6 Dec 2010 22:36:42 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id E8A038FC0A; Mon, 6 Dec 2010 22:36:40 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id AAA16611; Tue, 07 Dec 2010 00:36:38 +0200 (EET) (envelope-from avg@freebsd.org) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1PPjfi-000DZo-JE; Tue, 07 Dec 2010 00:36:38 +0200 Message-ID: <4CFD6575.5040202@freebsd.org> Date: Tue, 07 Dec 2010 00:36:37 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.2.12) Gecko/20101029 Lightning/1.0b2 Thunderbird/3.1.6 MIME-Version: 1.0 To: John Baldwin References: <201012061218.oB6CI3oW032770@svn.freebsd.org> <20101206211607.GA65110@muon.cran.org.uk> <201012061700.49219.jhb@freebsd.org> In-Reply-To: <201012061700.49219.jhb@freebsd.org> X-Enigmail-Version: 1.1.2 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Cc: Bruce Cran , src-committers@freebsd.org, Pawel Jakub Dawidek , svn-src-all@freebsd.org, Ivan Voras , svn-src-head@freebsd.org Subject: Re: svn commit: r216230 - head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 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: Mon, 06 Dec 2010 22:36:42 -0000 on 07/12/2010 00:00 John Baldwin said the following: > It is probably the 4K logical sector size that needs to > come up with a new field, not vice versa. Just expressing my overall confusion - 4K would be the physical size and 512 would be the logical one? My thinking: on a platter it's a 4K sector, but drive supports data addressing with 512 byte granularity. -- Andriy Gapon