Received: by 2002:a05:6a10:22f:0:0:0:0 with SMTP id 15csp154331pxk; Tue, 22 Sep 2020 22:31:34 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyO6s0nHCz3EUjYlnSBX+dGf5Jssurp5a9LlWQmOgVnRlGiobkdbxNtz+1wIujAEb6I1Kvm X-Received: by 2002:a17:906:cf9d:: with SMTP id um29mr8488835ejb.74.1600839094361; Tue, 22 Sep 2020 22:31:34 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600839094; cv=none; d=google.com; s=arc-20160816; b=LIlpR9ATnTH34Ovq3axqfH4b+q0GBxR5C3ErVmnd3wxj5bTRWUdXCRCbmwnXqVChnK LtTdfRwBFEgOyJywY6v7nNyn7AVy5YYW19qIo6GqhFaz+0PfP2UnK52l5lRYPyHbFqFI ES9T0dpuoDBvZVUky5Lohl4KwJLJj8OmLVJtPqe+3qSGhpnLN1Ynn5kwMDEBpbrLM7t1 rDgWg1LnyRvAh/ZW+3Nel+1bqPIALfuT1q5oyAEZZsMuPU3dRMDgRd4tAjdSWx1txK6f dHtSQZ3hayiPywMfDgwlMKIhcRihlqX7bpsSHmCdvVhvpjkQPSJjc6u2ZchzQ3+Sn9UP WUTA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=+tURgqaok7lRI1i4odnYDVVaMgpitLPhuNqlSUFcva8=; b=AKEDu3MgeAPcmbipx2iS+BsDSGRP0dCTWSu7lSlEsGZqWKUDMidn2KTm3S8H8w4JE/ 7WmowTO47+8bkgjY5hdIhJ3FdNcnuASGUoQvB/RwvA4uny6BPqK4iTlYw60w6UcVqFYe LGnK2ncrZeVVbeqd6ICdxVoS6RMw/zVLjQstOVEZhsNOIhA9gJsfjxjC2XlsOJjjatag /UM+8SffkDcMnjjghsIPo9WLSrIX1u8wyGX/xVxrta1qM9IhrL9jweS3dQmVnOXLKsw+ 9PraqJWlzja0vA3+Jh2EZaQk0stQkrcjYU6kbY8gqORWqMXM8AVktsr7+FjyXbi0ivSE A6OA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d10si12133553edp.364.2020.09.22.22.31.10; Tue, 22 Sep 2020 22:31:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726943AbgIWF37 (ORCPT + 99 others); Wed, 23 Sep 2020 01:29:59 -0400 Received: from verein.lst.de ([213.95.11.211]:47222 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726198AbgIWF36 (ORCPT ); Wed, 23 Sep 2020 01:29:58 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 4D2C167373; Wed, 23 Sep 2020 07:29:56 +0200 (CEST) Date: Wed, 23 Sep 2020 07:29:56 +0200 From: Christoph Hellwig To: Tianxianting Cc: Christoph Hellwig , Keith Busch , "axboe@fb.com" , "sagi@grimberg.me" , "linux-nvme@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] [v2] nvme: replace meaningless judgement by checking whether req is null Message-ID: <20200923052956.GA15063@lst.de> References: <20200922062517.30031-1-tian.xianting@h3c.com> <20200922145705.GA4035426@dhcp-10-100-145-180.wdl.wdc.com> <20200922145842.GB28420@lst.de> <5099986543624f9fbbeb26c2173934ba@h3c.com> <20200922154105.GA31758@lst.de> <53ae0341e62346f985ca289c6325078d@h3c.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53ae0341e62346f985ca289c6325078d@h3c.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 22, 2020 at 03:47:40PM +0000, Tianxianting wrote: > Finally, it applied:) > Thanks again for all your kindly guides to me. Thanks a lot for the patch!