From mboxrd@z Thu Jan 1 00:00:00 1970 From: Douglas Gilbert Subject: Re: scsi-mq V2 Date: Wed, 09 Jul 2014 12:39:29 -0400 Message-ID: <53BD7041.5010300@interlog.com> References: <1403715121-1201-1-git-send-email-hch@lst.de> <20140708144829.GA5539@infradead.org> Reply-To: dgilbert@interlog.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140708144829.GA5539@infradead.org> Sender: linux-kernel-owner@vger.kernel.org To: Christoph Hellwig , James Bottomley , Jens Axboe , Bart Van Assche , Robert Elliott , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org On 14-07-08 10:48 AM, Christoph Hellwig wrote: > On Wed, Jun 25, 2014 at 06:51:47PM +0200, Christoph Hellwig wrote: >> Changes from V1: >> - rebased on top of the core-for-3.17 branch, most notable the >> scsi logging changes >> - fixed handling of cmd_list to prevent crashes for some heavy >> workloads >> - fixed incorrect handling of !target->can_queue >> - avoid scheduling a workqueue on I/O completions when no queues >> are congested >> >> In addition to the patches in this thread there also is a git available at: >> >> git://git.infradead.org/users/hch/scsi.git scsi-mq.2 > > > I've pushed out a new scsi-mq.3 branch, which has been rebased on the > latest core-for-3.17 tree + the "RFC: clean up command setup" series > from June 29th. Robert Elliot found a problem with not fully zeroed > out UNMAP CDBs, which is fixed by the saner discard handling in that > series. > > There is a new patch to factor the code from the above series for > blk-mq use, which I've attached below. Besides that the only changes > are minor merge fixups in the main blk-mq usage patch. Be warned: both Rob Elliott and I can easily break the scsi-mq.3 branch. It seems as though a regression has slipped in. I notice that Christoph has added a new branch called "scsi-mq.3-no-rebase". For those interested, watch this space. Doug Gilbert