From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH v2.2] sd: Micro-optimize READ / WRITE CDB encoding Date: Thu, 26 Oct 2017 02:31:59 -0400 Message-ID: References: <20171026050603.14856-1-dgilbert@interlog.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from aserp1040.oracle.com ([141.146.126.69]:16847 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750949AbdJZGcU (ORCPT ); Thu, 26 Oct 2017 02:32:20 -0400 In-Reply-To: <20171026050603.14856-1-dgilbert@interlog.com> (Douglas Gilbert's message of "Thu, 26 Oct 2017 01:06:03 -0400") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Douglas Gilbert Cc: linux-scsi@vger.kernel.org, Bart.VanAssche@wdc.com, jejb@linux.vnet.ibm.com, martin.petersen@oracle.com, hch@lst.de, hare@suse.com, jthumshirn@suse.de Doug, > The sd_setup_read_write_cmnd() function is on the "fast path" for > block system access to SCSI devices (logical units). Rewrite this > function to improve speed and readability. Please do any optimizations on top of my scsi-work branch which has the sd_setup_read_write_cmnd() rewrite. I'm at kernel summit this week but will rebase when time permits. -- Martin K. Petersen Oracle Linux Engineering