From patchwork Tue Aug 18 13:12:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Coly Li X-Patchwork-Id: 11720803 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5A2A3138C for ; Tue, 18 Aug 2020 13:13:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A3642076D for ; Tue, 18 Aug 2020 13:13:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726945AbgHRNNy (ORCPT ); Tue, 18 Aug 2020 09:13:54 -0400 Received: from mx2.suse.de ([195.135.220.15]:33698 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726884AbgHRNNk (ORCPT ); Tue, 18 Aug 2020 09:13:40 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 811D9B178; Tue, 18 Aug 2020 13:14:04 +0000 (UTC) From: Coly Li To: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, ceph-devel@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Coly Li , Ilya Dryomov , Jeff Layton Subject: [PATCH v7 6/6] libceph: use sendpage_ok() in ceph_tcp_sendpage() Date: Tue, 18 Aug 2020 21:12:27 +0800 Message-Id: <20200818131227.37020-7-colyli@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200818131227.37020-1-colyli@suse.de> References: <20200818131227.37020-1-colyli@suse.de> MIME-Version: 1.0 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org In libceph, ceph_tcp_sendpage() does the following checks before handle the page by network layer's zero copy sendpage method, if (page_count(page) >= 1 && !PageSlab(page)) This check is exactly what sendpage_ok() does. This patch replace the open coded checks by sendpage_ok() as a code cleanup. Signed-off-by: Coly Li Cc: Ilya Dryomov Cc: Jeff Layton --- net/ceph/messenger.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 27d6ab11f9ee..6a349da7f013 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -575,7 +575,7 @@ static int ceph_tcp_sendpage(struct socket *sock, struct page *page, * coalescing neighboring slab objects into a single frag which * triggers one of hardened usercopy checks. */ - if (page_count(page) >= 1 && !PageSlab(page)) + if (sendpage_ok(page)) sendpage = sock->ops->sendpage; else sendpage = sock_no_sendpage;