#define RBD_DATA_PREFIX "rbd_data."
#define RBD_ID_PREFIX "rbd_id."
+#define RBD_LOCK_NAME "rbd_lock"
+#define RBD_LOCK_TAG "internal"
+#define RBD_LOCK_COOKIE_PREFIX "auto"
+
+enum rbd_notify_op {
+ RBD_NOTIFY_OP_ACQUIRED_LOCK = 0,
+ RBD_NOTIFY_OP_RELEASED_LOCK = 1,
+ RBD_NOTIFY_OP_REQUEST_LOCK = 2,
+ RBD_NOTIFY_OP_HEADER_UPDATE = 3,
+};
+
/*
* For format version 1, rbd image 'foo' consists of objects
* foo.rbd - image metadata