From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751518AbdL2KHw (ORCPT ); Fri, 29 Dec 2017 05:07:52 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:56794 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750929AbdL2KHu (ORCPT ); Fri, 29 Dec 2017 05:07:50 -0500 Date: Fri, 29 Dec 2017 02:07:47 -0800 From: Christoph Hellwig To: Tejun Heo Cc: jack@suse.cz, axboe@kernel.dk, clm@fb.com, jbacik@fb.com, kernel-team@fb.com, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org, peterz@infradead.org, jianchao.w.wang@oracle.com, Bart.VanAssche@wdc.com, Asai Thambi SP , Stefan Haberland , Jan Hoeppner Subject: Re: [PATCH 4/7] blk-mq: make blk_abort_request() trigger timeout path Message-ID: <20171229100747.GC4020@infradead.org> References: <20171216120726.517153-1-tj@kernel.org> <20171216120726.517153-5-tj@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171216120726.517153-5-tj@kernel.org> User-Agent: Mutt/1.9.1 (2017-09-22) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Dec 16, 2017 at 04:07:23AM -0800, Tejun Heo wrote: > Note that this makes blk_abort_request() asynchronous - it initiates > abortion but the actual termination will happen after a short while, > even when the caller owns the request. AFAICS, SCSI and ATA should be > fine with that and I think mtip32xx and dasd should be safe but not > completely sure. It'd be great if people who know the drivers take a > look. For that you'll need to CC linux-ide and linux-scsi, and for the SAS drivers some of the usual suspects that touch the SAS code.