From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from bombadil.infradead.org ([65.50.211.133]:40633 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751925AbdJFMGK (ORCPT ); Fri, 6 Oct 2017 08:06:10 -0400 Date: Fri, 6 Oct 2017 05:06:09 -0700 From: Christoph Hellwig To: Javier =?iso-8859-1?Q?Gonz=E1lez?= Cc: Christoph Hellwig , Matias =?iso-8859-1?Q?Bj=F8rling?= , linux-block@vger.kernel.org Subject: Re: Why removing REQ_FAILFAST_DRIVER in LightNVM? Message-ID: <20171006120609.GA27720@infradead.org> References: <216FF7C0-4B2A-438A-BC63-88A9BBDC77CC@lightnvm.io> <20171006115927.GA12530@infradead.org> <6D7E3697-713C-4FBD-86EA-20AB1DC72742@lightnvm.io> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: <6D7E3697-713C-4FBD-86EA-20AB1DC72742@lightnvm.io> Sender: linux-block-owner@vger.kernel.org List-Id: linux-block@vger.kernel.org On Fri, Oct 06, 2017 at 02:01:46PM +0200, Javier Gonz�lez wrote: > I think it is good to fail fast as any other nvme I/O command and then > recover in pblk if necessary. Note that we only do it for other nvme _passthrough_ commands - the actual I/O commands dot not get the failfast flag.