1 files changed, 19 insertions, 1 deletions

diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index c5b11b53ff33..277b02782897 100644
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -153,6 +153,22 @@ static inline void nfs_readpage_to_fscache(struct inode *inode,
 }
 
 /*
+ * Invalidate the contents of fscache for this inode.  This will not sleep.
+ */
+static inline void nfs_fscache_invalidate(struct inode *inode)
+{
+        fscache_invalidate(NFS_I(inode)->fscache);
+}
+
+/*
+ * Wait for an object to finish being invalidated.
+ */
+static inline void nfs_fscache_wait_on_invalidate(struct inode *inode)
+{
+        fscache_wait_on_invalidate(NFS_I(inode)->fscache);
+}
+
+/*
  * indicate the client caching state as readable text
  */
 static inline const char *nfs_server_fscache_state(struct nfs_server *server)
@@ -162,7 +178,6 @@ static inline const char *nfs_server_fscache_state(struct nfs_server *server)
         return "no ";
 }
 
-
 #else /* CONFIG_NFS_FSCACHE */
 static inline int nfs_fscache_register(void) { return 0; }
 static inline void nfs_fscache_unregister(void) {}
@@ -205,6 +220,9 @@ static inline int nfs_readpages_from_fscache(struct nfs_open_context *ctx,
 static inline void nfs_readpage_to_fscache(struct inode *inode,
                                            struct page *page, int sync) {}
 
+
+static inline void nfs_fscache_invalidate(struct inode *inode) {}
+
 static inline const char *nfs_server_fscache_state(struct nfs_server *server)
 {
         return "no ";