From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753894AbdDOOG7 (ORCPT ); Sat, 15 Apr 2017 10:06:59 -0400 Received: from bombadil.infradead.org ([65.50.211.133]:39529 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751541AbdDOOGz (ORCPT ); Sat, 15 Apr 2017 10:06:55 -0400 Date: Sat, 15 Apr 2017 07:06:47 -0700 From: Christoph Hellwig To: Cathy Avery Cc: kys@microsoft.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, sthemmin@microsoft.com, haiyangz@microsoft.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org Subject: Re: [PATCH] scsi: storvsc: Allow only one remove lun work item to be issued per lun Message-ID: <20170415140647.GA12851@infradead.org> References: <1492263790-11378-1-git-send-email-cavery@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1492263790-11378-1-git-send-email-cavery@redhat.com> User-Agent: Mutt/1.8.0 (2017-02-23) 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 Just add a singlethreaded workqueue for storvsc_handle_error and you'll get serialization for all error handling for free.