From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754691Ab3KKPm4 (ORCPT ); Mon, 11 Nov 2013 10:42:56 -0500 Received: from m53-178.qiye.163.com ([123.58.178.53]:52842 "EHLO m53-178.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754440Ab3KKPl0 (ORCPT ); Mon, 11 Nov 2013 10:41:26 -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 2/7] Fscache: Implement uncaching single no-data page Date: Mon, 11 Nov 2013 23:27:24 +0800 Message-Id: <57f79ce8b28f2f0e3837f66c3aa99eb078bc5bf7.1384183054.git.liwang@ubuntukylin.com> 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 SkNPT0NPTUpLVTMWGhIXVRcSDBoVHDsOGQ4VDw4QAhcSFVUYFBZFWVdZDB4ZWUEdGhcIHldZCAFZ QUlKQ0k3V1kSC1lBWUpJSlVISFVJTk5VSktZBg++ Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Similar to the routine for multiple pages except that it takes page * as input rather than list head *. Signed-off-by: Li Wang --- fs/fscache/page.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/fscache/page.c b/fs/fscache/page.c index 7f5c658..0c69f72 100644 --- a/fs/fscache/page.c +++ b/fs/fscache/page.c @@ -721,6 +721,14 @@ nobufs: } EXPORT_SYMBOL(__fscache_alloc_page); +void __fscache_readpage_cancel(struct fscache_cookie *cookie, + struct page *page) +{ + if (PageFsCache(page)) + __fscache_uncache_page(cookie, page); +} +EXPORT_SYMBOL(__fscache_readpage_cancel); + /* * Unmark pages allocate in the readahead code path (via: * fscache_readpages_or_alloc) after delegating to the base filesystem -- 1.7.9.5