cifs: store pages into local cache

Store pages from an CIFS inode into the data storage object associated with
that inode.

Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/fs/cifs/fscache.h b/fs/cifs/fscache.h
index 5e18a21eee9d..1a00d70bca97 100644
--- a/fs/cifs/fscache.h
+++ b/fs/cifs/fscache.h
@@ -51,6 +51,8 @@ extern void cifs_fscache_reset_inode_cookie(struct inode *);
 extern void __cifs_fscache_invalidate_page(struct page *, struct inode *);
 extern int cifs_fscache_release_page(struct page *page, gfp_t gfp);
 
+extern void __cifs_readpage_to_fscache(struct inode *, struct page *);
+
 static inline void cifs_fscache_invalidate_page(struct page *page,
                                                struct inode *inode)
 {
@@ -58,6 +60,13 @@ static inline void cifs_fscache_invalidate_page(struct page *page,
                 __cifs_fscache_invalidate_page(page, inode);
 }
 
+static inline void cifs_readpage_to_fscache(struct inode *inode,
+                                            struct page *page)
+{
+        if (PageFsCache(page))
+                __cifs_readpage_to_fscache(inode, page);
+}
+
 #else /* CONFIG_CIFS_FSCACHE */
 static inline int cifs_fscache_register(void) { return 0; }
 static inline void cifs_fscache_unregister(void) {}
@@ -81,6 +90,8 @@ static inline void cifs_fscache_release_page(struct page *page, gfp_t gfp)
 
 static inline int cifs_fscache_invalidate_page(struct page *page,
                         struct inode *) {}
+static inline void cifs_readpage_to_fscache(struct inode *inode,
+                        struct page *page) {}
 
 #endif /* CONFIG_CIFS_FSCACHE */