linux-kernel - [PATCH 6/7] Cifs: Implement uncaching single no-data page

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Message-Id: <08bbf81e5da33b1a4a6ce8af119acfd2fb8a2760.1384183054.git.liwang@ubuntukylin.com>
Date:	Tue, 12 Nov 2013 09:25:39 +0800
From:	Li Wang <liwang@...ntukylin.com>
To:	linux-kernel@...r.kernel.org
Cc:	ceph-devel@...r.kernel.org, Sage Weil <sage@...tank.com>,
	linux-fsdevel@...r.kernel.org, Steve French <sfrench@...ba.org>,
	linux-cifs@...r.kernel.org, Milosz Tanski <milosz@...in.com>,
	David Howells <dhowells@...hat.com>, linux-cachefs@...hat.com,
	Li Wang <liwang@...ntukylin.com>
Subject: [PATCH 6/7] Cifs: Implement uncaching single no-data page

Implement the routine for uncaching single no-data page, typically
in readpage().

Signed-off-by: Li Wang <liwang@...ntukylin.com>
---
 fs/cifs/fscache.c |    7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/fs/cifs/fscache.c b/fs/cifs/fscache.c
index 8d4b7bc..168f184 100644
--- a/fs/cifs/fscache.c
+++ b/fs/cifs/fscache.c
@@ -223,6 +223,13 @@ void __cifs_readpage_to_fscache(struct inode *inode, struct page *page)
 		fscache_uncache_page(CIFS_I(inode)->fscache, page);
 }
 
+void __cifs_fscache_readpage_cancel(struct inode *inode, struct page *page)
+{
+        cifs_dbg(FYI, "%s: (fsc: %p, i: %p)\n",
+                 __func__, CIFS_I(inode)->fscache, inode);
+        fscache_readpage_cancel(CIFS_I(inode)->fscache, page);
+}
+
 void __cifs_fscache_readpages_cancel(struct inode *inode, struct list_head *pages)
 {
 	cifs_dbg(FYI, "%s: (fsc: %p, i: %p)\n",
-- 
1.7.9.5

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