From mboxrd@z Thu Jan 1 00:00:00 1970 From: Cyril Guyot Subject: Re: [ANNOUNCE] xfs: Supporting Host Aware SMR Drives Date: Mon, 16 Mar 2015 22:48:42 +0000 (UTC) Message-ID: References: <20150316060020.GB28557@dastard> <1426519733.4000.11.camel@HansenPartnership.com> <1426532787.8276.25.camel@HansenPartnership.com> <20150316202023.GC28557@dastard> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit To: linux-fsdevel@vger.kernel.org Return-path: Received: from plane.gmane.org ([80.91.229.3]:34003 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751385AbbCPWzH (ORCPT ); Mon, 16 Mar 2015 18:55:07 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1YXduZ-0005OR-HQ for linux-fsdevel@vger.kernel.org; Mon, 16 Mar 2015 23:55:04 +0100 Received: from pat.hitachigst.com ([199.255.44.5]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Mar 2015 23:55:03 +0100 Received: from cyril.guyot by pat.hitachigst.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 16 Mar 2015 23:55:03 +0100 Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Dave Chinner fromorbit.com> writes: > I'm not aiming this proposal at drive managed, or even host-managed > drives: this proposal is for full host-aware (i.e. error on > out-of-order write) drive support. I just wanted to clarify that what you are describing - a device that errors out on writes not at the zone write pointer - is actually a host-managed device, as per the ZBC/ZAC standards. Best regards, Cyril