Merge tag 'ceph-for-4.9-rc1' of git://github.com/ceph/ceph-client

[cascardo/linux.git] / drivers / block / rbd_types.h

diff --git a/drivers/block/rbd_types.h b/drivers/block/rbd_types.h
index 49d77cb..94f367d 100644 (file)
--- a/drivers/block/rbd_types.h
+++ b/drivers/block/rbd_types.h
@@ -28,6 +28,17 @@
 #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