From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754528Ab3KKPlo (ORCPT ); Mon, 11 Nov 2013 10:41:44 -0500 Received: from m53-178.qiye.163.com ([123.58.178.53]:52863 "EHLO m53-178.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754464Ab3KKPl2 (ORCPT ); Mon, 11 Nov 2013 10:41:28 -0500 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 5/7] Cifs: Introduce routine for uncaching single no-data page Date: Mon, 11 Nov 2013 23:27:27 +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 SkNPT0NNS0NIVTMWGhIXVRcSDBoVHDsOGQ4VDw4QAhcSFVUYFBZFWVdZDB4ZWUEdGhcIHldZCAFZ QUlCQko3V1kSC1lBWUpJSlVISFVJTk5VSktZBg++ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce a routine for uncaching single no-data page, typically in readpage(). Signed-off-by: Li Wang --- fs/cifs/fscache.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h index 24794b6..c712f42 100644 --- a/fs/cifs/fscache.h +++ b/fs/cifs/fscache.h @@ -54,6 +54,7 @@ extern int __cifs_readpages_from_fscache(struct inode *, struct address_space *, struct list_head *, unsigned *); +extern void __cifs_fscache_readpage_cancel(struct inode *, struct page *); extern void __cifs_fscache_readpages_cancel(struct inode *, struct list_head *); extern void __cifs_readpage_to_fscache(struct inode *, struct page *); @@ -92,6 +93,13 @@ static inline void cifs_readpage_to_fscache(struct inode *inode, __cifs_readpage_to_fscache(inode, page); } +static inline void cifs_fscache_readpage_cancel(struct inode *inode, + struct page *page) +{ + if (CIFS_I(inode)->fscache) + return __cifs_fscache_readpage_cancel(inode, page); +} + static inline void cifs_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) { @@ -139,6 +147,11 @@ static inline int cifs_readpages_from_fscache(struct inode *inode, static inline void cifs_readpage_to_fscache(struct inode *inode, struct page *page) {} +static inline void cifs_fscache_readpage_cancel(struct inode *inode, + struct page *page) +{ +} + static inline void cifs_fscache_readpages_cancel(struct inode *inode, struct list_head *pages) { -- 1.7.9.5