NFS: Display local caching state

[safe/jmp/linux-2.6] / fs / nfs / fscache.h

diff --git a/fs/nfs/fscache.h b/fs/nfs/fscache.h
index 1ec3ebb..6e809bb 100644 (file)
--- a/fs/nfs/fscache.h
+++ b/fs/nfs/fscache.h
@@ -153,6 +153,16 @@ static inline void nfs_readpage_to_fscache(struct inode *inode,
                __nfs_readpage_to_fscache(inode, page, sync);
 }
 
+/*
+ * indicate the client caching state as readable text
+ */
+static inline const char *nfs_server_fscache_state(struct nfs_server *server)
+{
+       if (server->fscache && (server->options & NFS_OPTION_FSCACHE))
+               return "yes";
+       return "no ";
+}
+
 
 #else /* CONFIG_NFS_FSCACHE */
 static inline int nfs_fscache_register(void) { return 0; }
@@ -201,5 +211,10 @@ 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 const char *nfs_server_fscache_state(struct nfs_server *server)
+{
+       return "no ";
+}
+
 #endif /* CONFIG_NFS_FSCACHE */
 #endif /* _NFS_FSCACHE_H */