Index: uspace/lib/device/include/hr.h
===================================================================
--- uspace/lib/device/include/hr.h	(revision 150adbd2e618fb049e1613658a0e20af0a3ed593)
+++ uspace/lib/device/include/hr.h	(revision 996d31acc0c6d09af6ff2425f7df18593ca1dc24)
@@ -92,6 +92,8 @@
 } hr_metadata_type_t;
 
+#define HR_VOL_FLAG_COUNT 2
 typedef enum hr_vol_flag {
-	HR_VOL_FLAG_NOOP_META = 0x01
+	HR_VOL_FLAG_NOOP_META = 0x01,
+	HR_VOL_FLAG_READ_ONLY = 0x02
 } hr_vol_flag_t;
 
@@ -133,5 +135,5 @@
 	hr_layout_t layout;
 	hr_metadata_type_t meta_type;
-	/* TODO: add rebuild pos */
+	uint8_t vflags;
 } hr_vol_info_t;
 
@@ -152,4 +154,5 @@
 extern const char *hr_get_level_str(hr_level_t);
 extern const char *hr_get_metadata_type_str(hr_metadata_type_t);
+extern const char *hr_get_vol_flag_str(hr_vol_flag_t);
 
 #endif