- Import new upstream release 4.1.8.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/dumm/cowfs.h b/src/dumm/cowfs.h
new file mode 100644
index 000000000..419197dd6
--- /dev/null
+++ b/src/dumm/cowfs.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2007 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef COWFS_H
+#define COWFS_H
+
+#include <library.h>
+
+typedef struct cowfs_t cowfs_t;
+
+/**
+ * @brief cowfs - Copy on write FUSE filesystem.
+ *
+ */
+struct cowfs_t {
+	
+	/**
+	 * @brief Set an additional copy on write overlay.
+	 *
+	 * @param path		path of the overlay
+	 * @return 			FALSE if failed
+	 */
+	bool (*set_overlay)(cowfs_t *this, char *path);
+	
+	/**
+	 * @brief Stop, umount and destroy a cowfs FUSE filesystem.
+	 */
+	void (*destroy) (cowfs_t *this);
+};
+
+/**
+ * @brief Mount a cowfs FUSE filesystem.
+ *
+ * @param master		read only master file system directory
+ * @param host			copy on write host directory
+ * @param mount			mountpoint where union is mounted
+ * @return				instance, or NULL if FUSE initalization failed
+ */
+cowfs_t *cowfs_create(char *master, char *host, char *mount);
+
+#endif /* COWFS_H */
+