From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f200.google.com (mail-pf0-f200.google.com [209.85.192.200]) by kanga.kvack.org (Postfix) with ESMTP id 6132E6B02B4 for ; Thu, 10 Aug 2017 07:14:49 -0400 (EDT) Received: by mail-pf0-f200.google.com with SMTP id z3so4006769pfk.4 for ; Thu, 10 Aug 2017 04:14:49 -0700 (PDT) Received: from bombadil.infradead.org (bombadil.infradead.org. [65.50.211.133]) by mx.google.com with ESMTPS id f70si3252358pgc.282.2017.08.10.04.14.48 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Aug 2017 04:14:48 -0700 (PDT) Date: Thu, 10 Aug 2017 04:14:43 -0700 From: Christoph Hellwig Subject: Re: [PATCH v3 04/49] mm: page_io.c: comment on direct access to bvec table Message-ID: <20170810111443.GB20308@infradead.org> References: <20170808084548.18963-1-ming.lei@redhat.com> <20170808084548.18963-5-ming.lei@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20170808084548.18963-5-ming.lei@redhat.com> Sender: owner-linux-mm@kvack.org List-ID: To: Ming Lei Cc: Jens Axboe , Christoph Hellwig , Huang Ying , Andrew Morton , Alexander Viro , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Can we just add a bio_first_page macro that always return the first page in the bio? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org