From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DA8AEB64D9 for ; Thu, 29 Jun 2023 05:30:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231305AbjF2Fad (ORCPT ); Thu, 29 Jun 2023 01:30:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58684 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231594AbjF2FaU (ORCPT ); Thu, 29 Jun 2023 01:30:20 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A66A030EC; Wed, 28 Jun 2023 22:30:04 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id F29DB67373; Thu, 29 Jun 2023 07:30:01 +0200 (CEST) Date: Thu, 29 Jun 2023 07:30:01 +0200 From: Christoph Hellwig To: chengming.zhou@linux.dev Cc: axboe@kernel.dk, tj@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, zhouchengming@bytedance.com, ming.lei@redhat.com, hch@lst.de Subject: Re: [PATCH v3 2/3] blk-mq: ktime_get_ns() only once for batched requests init Message-ID: <20230629053001.GE16819@lst.de> References: <20230628124546.1056698-1-chengming.zhou@linux.dev> <20230628124546.1056698-3-chengming.zhou@linux.dev> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230628124546.1056698-3-chengming.zhou@linux.dev> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Can we just stash the start time into blk_mq_alloc_data instead of passing down yet another parameter?