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[platform/upstream/cryptsetup.git] / lib / utils_loop.h

diff --git a/lib/utils_loop.h b/lib/utils_loop.h
index 9b97a3e..052623d 100644 (file)
--- a/lib/utils_loop.h
+++ b/lib/utils_loop.h
@@ -1,17 +1,33 @@
+/*
+ * loopback block device utilities
+ *
+ * Copyright (C) 2011-2012, Red Hat, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
 #ifndef _UTILS_LOOP_H
 #define _UTILS_LOOP_H
 
 /* loopback device helpers */
 
-#define LOOP_DEV_MAJOR 7
-
-#ifndef LO_FLAGS_AUTOCLEAR
-#define LO_FLAGS_AUTOCLEAR 4
-#endif
-
 char *crypt_loop_get_device(void);
 char *crypt_loop_backing_file(const char *loop);
 int crypt_loop_device(const char *loop);
-int crypt_loop_attach(const char *loop, const char *file, int offset, int *readonly);
+int crypt_loop_attach(const char *loop, const char *file, int offset,
+                     int autoclear, int *readonly);
+int crypt_loop_detach(const char *loop);
 
-#endif /* _UTILS_CRYPT_H */
+#endif /* _UTILS_LOOP_H */