From patchwork Mon Nov 11 15:27:25 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Li Wang X-Patchwork-Id: 3168151 Return-Path: X-Original-To: patchwork-ceph-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 501E99F39E for ; Mon, 11 Nov 2013 15:43:33 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 347F920124 for ; Mon, 11 Nov 2013 15:43:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9169F2015F for ; Mon, 11 Nov 2013 15:43:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754585Ab3KKPmQ (ORCPT ); Mon, 11 Nov 2013 10:42:16 -0500 Received: from m53-178.qiye.163.com ([123.58.178.53]:52852 "EHLO m53-178.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754441Ab3KKPl1 (ORCPT ); Mon, 11 Nov 2013 10:41:27 -0500 Received: from localhost.localdomain (unknown [121.33.255.10]) by m53-178.qiye.163.com (HMail) with ESMTPA id BB99213A80D5; Mon, 11 Nov 2013 23:41:24 +0800 (CST) From: Li Wang To: linux-kernel@vger.kernel.org Cc: ceph-devel@vger.kernel.org, Sage Weil , linux-fsdevel@vger.kernel.org, linux-cifs@vger.kernel.org, Milosz Tanski , Li Wang Subject: [PATCH 3/7] Ceph: Introduce routine for uncaching single no-data page Date: Mon, 11 Nov 2013 23:27:25 +0800 Message-Id: X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: X-HM-Spam-Status: e1koWUFPN1dZCBgUCR5ZQU5VQ0hLS0tLT0tLTk9ISUpIV1kJDhceCFlBWS grPSQoND0vPToyNyQyNSQzPjo*PilBS1VLQDYjJCI#KCQyNSQzPjo*PilBS1VLQCsvKSQ1NCQyNS QzPjo*PilBSVVLQDg0LjUvKSIkODVBS1VLQCk#PDI0NSQ6KDI6QUtVS0ArKTQtMjU4PiQ8Ljo1PD 80NTxBS1VLQD8iNTo2MjgkMiskNTQkMjUkMz46Pz4pQUtVS0A2LjcvMiQpOCsvJD8yPT0#KT41Ly QyNSQzPjo*PilBSVVLQDIrJC80PzoiJDg1LyRLJEpLS0FLVUtAMiskTiQ2MjUuLz4kODUvJEskSk tBS1VLQDIrJEhLJDYyNS4vPiQ4NS8kSyROS0FLVUtAMiskSiQzNC4pJDg1LyRLJEpLS0FLVUtAMi skSiQ2MjUuLz4kODUvJEskSktBS1VLQCguOSQ#QUpVTk5APTUkKC45JD41LDQpPygkMzcxJEpLS0 lLSkFLVUlDWQY+ X-HM-Sender-Digest: e1kSHx4VD1lBWUc6MQg6Cjo4LDo4EDorKjhIOj4qOkMwCjFVSlVKSENP SkNPT0NOS0NOVTMWGhIXVRcSDBoVHDsOGQ4VDw4QAhcSFVUYFBZFWVdZDB4ZWUEdGhcIHldZCAFZ QUlOTU43V1kSC1lBWUpJSlVISFVJTk5VSktZBg++ Sender: ceph-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Introduce a routine for uncaching single no-data page, typically in readpage(). Signed-off-by: Li Wang --- fs/ceph/cache.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h index ba94940..eb0ec76 100644 --- a/fs/ceph/cache.h +++ b/fs/ceph/cache.h @@ -67,6 +67,14 @@ static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp) return fscache_maybe_release_page(ci->fscache, page, gfp); } + +static inline void cpeh_fscache_readpage_cancel(struct inode *inode, + struct page *page) +{ + struct ceph_inode_info *ci = ceph_inode(inode); + return fscache_readpage_cancel(ci->fscache, page); +} + static inline void ceph_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) { @@ -145,6 +153,11 @@ static inline int ceph_release_fscache_page(struct page *page, gfp_t gfp) return 1; } +static inline void ceph_fscache_readpage_cancel(struct inode *inode, + struct page *page) +{ +} + static inline void ceph_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) {