linux-kernel - [PATCH 1/3] Ceph fscache: Add an interface to synchronize object store limit

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Message-Id: <ac5d506a62b697c2f79ac916ef4030290f94956b.1388066937.git.liwang@ubuntukylin.com>
Date:	Thu, 26 Dec 2013 06:29:26 -0800
From:	Li Wang <liwang@...ntukylin.com>
To:	ceph-devel@...r.kernel.org
Cc:	Sage Weil <sage@...tank.com>, Milosz Tanski <milosz@...in.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	Yunchuan Wen <yunchuanwen@...ntukylin.com>,
	Min Chen <minchen@...ntukylin.com>,
	Li Wang <liwang@...ntukylin.com>
Subject: [PATCH 1/3] Ceph fscache: Add an interface to synchronize object store limit

From: Yunchuan Wen <yunchuanwen@...ntukylin.com>

Add an interface to explicitly synchronize object->store_limit[_l]
with inode->i_size

Signed-off-by: Yunchuan Wen <yunchuanwen@...ntukylin.com>
Signed-off-by: Min Chen <minchen@...ntukylin.com>
Signed-off-by: Li Wang <liwang@...ntukylin.com>
---
 fs/ceph/cache.h |   10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/fs/ceph/cache.h b/fs/ceph/cache.h
index ba94940..262106b 100644
--- a/fs/ceph/cache.h
+++ b/fs/ceph/cache.h
@@ -48,6 +48,12 @@ void ceph_readpage_to_fscache(struct inode *inode, struct page *page);
 void ceph_invalidate_fscache_page(struct inode* inode, struct page *page);
 void ceph_queue_revalidate(struct inode *inode);
 
+static inline void ceph_fscache_update_objectsize(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	fscache_attr_changed(ci->fscache);
+}
+
 static inline void ceph_fscache_invalidate(struct inode *inode)
 {
 	fscache_invalidate(ceph_inode(inode)->fscache);
@@ -127,6 +133,10 @@ static inline void ceph_readpage_to_fscache(struct inode *inode,
 {
 }
 
+static inline void ceph_fscache_update_objectsize(struct inode *inode)
+{
+}
+
 static inline void ceph_fscache_invalidate(struct inode *inode)
 {
 }
-- 
1.7.9.5

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