From patchwork Fri Oct 2 08:27:34 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Coly Li X-Patchwork-Id: 267724 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7E74FC47425 for ; Fri, 2 Oct 2020 08:28:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5167F206B8 for ; Fri, 2 Oct 2020 08:28:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387761AbgJBI2q (ORCPT ); Fri, 2 Oct 2020 04:28:46 -0400 Received: from mx2.suse.de ([195.135.220.15]:50470 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387740AbgJBI2l (ORCPT ); Fri, 2 Oct 2020 04:28:41 -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 14465B1D2; Fri, 2 Oct 2020 08:28:40 +0000 (UTC) From: Coly Li To: davem@davemloft.net, 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 , Jeff Layton , Ilya Dryomov Subject: [PATCH v10 7/7] libceph: use sendpage_ok() in ceph_tcp_sendpage() Date: Fri, 2 Oct 2020 16:27:34 +0800 Message-Id: <20201002082734.13925-8-colyli@suse.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201002082734.13925-1-colyli@suse.de> References: <20201002082734.13925-1-colyli@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@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 Acked-by: Jeff Layton Cc: Ilya Dryomov --- 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 bdfd66ba3843..d4d7a0e52491 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;