diff --git a/headers/private/storage/DiskDeviceDefs.h b/headers/private/storage/DiskDeviceDefs.h
index cb7a50aba0..e2d69e28be 100644
--- a/headers/private/storage/DiskDeviceDefs.h
+++ b/headers/private/storage/DiskDeviceDefs.h
@@ -41,22 +41,23 @@ enum {
 enum {
 	B_PARTITION_CHANGED_OFFSET				= 0x000001,
 	B_PARTITION_CHANGED_SIZE				= 0x000002,
-	B_PARTITION_CHANGED_BLOCK_SIZE			= 0x000004,
-	B_PARTITION_CHANGED_STATUS				= 0x000008,
-	B_PARTITION_CHANGED_FLAGS				= 0x000010,
-	B_PARTITION_CHANGED_VOLUME				= 0x000020,
-	B_PARTITION_CHANGED_NAME				= 0x000040,
-	B_PARTITION_CHANGED_CONTENT_NAME		= 0x000080,
-	B_PARTITION_CHANGED_TYPE				= 0x000100,
-	B_PARTITION_CHANGED_CONTENT_TYPE		= 0x000200,
-	B_PARTITION_CHANGED_PARAMETERS			= 0x000400,
-	B_PARTITION_CHANGED_CONTENT_PARAMETERS	= 0x000800,
-	B_PARTITION_CHANGED_CHILDREN			= 0x001000,
-	B_PARTITION_CHANGED_DESCENDANTS			= 0x002000,
-	B_PARTITION_CHANGED_DEFRAGMENTATION		= 0x004000,
-	B_PARTITION_CHANGED_CHECK				= 0x008000,
-	B_PARTITION_CHANGED_REPAIR				= 0x010000,
-	B_PARTITION_CHANGED_INITIALIZATION		= 0x020000,
+	B_PARTITION_CHANGED_CONTENT_SIZE		= 0x000004,
+	B_PARTITION_CHANGED_BLOCK_SIZE			= 0x000008,
+	B_PARTITION_CHANGED_STATUS				= 0x000010,
+	B_PARTITION_CHANGED_FLAGS				= 0x000020,
+	B_PARTITION_CHANGED_VOLUME				= 0x000040,
+	B_PARTITION_CHANGED_NAME				= 0x000080,
+	B_PARTITION_CHANGED_CONTENT_NAME		= 0x000100,
+	B_PARTITION_CHANGED_TYPE				= 0x000200,
+	B_PARTITION_CHANGED_CONTENT_TYPE		= 0x000400,
+	B_PARTITION_CHANGED_PARAMETERS			= 0x000800,
+	B_PARTITION_CHANGED_CONTENT_PARAMETERS	= 0x001000,
+	B_PARTITION_CHANGED_CHILDREN			= 0x002000,
+	B_PARTITION_CHANGED_DESCENDANTS			= 0x004000,
+	B_PARTITION_CHANGED_DEFRAGMENTATION		= 0x008000,
+	B_PARTITION_CHANGED_CHECK				= 0x010000,
+	B_PARTITION_CHANGED_REPAIR				= 0x020000,
+	B_PARTITION_CHANGED_INITIALIZATION		= 0x040000,
 };
 
 // disk device flags
@@ -100,6 +101,46 @@ enum {
 	B_DISK_SYSTEM_SUPPORTS_INITIALIZING							= 0x8000,
 };
 
+// disk device job types
+enum {
+	B_DISK_DEVICE_JOB_CREATE,
+	B_DISK_DEVICE_JOB_DELETE,
+	B_DISK_DEVICE_JOB_INITIALIZE,
+	B_DISK_DEVICE_JOB_RESIZE,
+	B_DISK_DEVICE_JOB_MOVE,
+	B_DISK_DEVICE_JOB_DEFRAGMENT,
+	B_DISK_DEVICE_JOB_REPAIR,
+	B_DISK_DEVICE_JOB_SCAN,
+};
+
+// disk device job statuses
+enum {
+	B_DISK_DEVICE_JOB_UNINITIALIZED,
+	B_DISK_DEVICE_JOB_SCHEDULED,
+	B_DISK_DEVICE_JOB_IN_PROGRESS,
+	B_DISK_DEVICE_JOB_SUCCEEDED,
+	B_DISK_DEVICE_JOB_FAILED,
+	B_DISK_DEVICE_JOB_CANCELED,
+};
+
+// disk device job progress info
+struct disk_device_job_progress_info {
+	uint32	status;
+	uint32	interrupt_properties;
+	int32	task_count;
+	int32	completed_tasks;
+	float	current_task_progress;
+	char	current_task_description[256];
+};
+
+// disk device job interrupt properties
+enum {
+	B_DISK_DEVICE_JOB_CAN_CANCEL			= 0x01,
+	B_DISK_DEVICE_JOB_STOP_ON_CANCEL		= 0x02,
+	B_DISK_DEVICE_JOB_REVERSE_ON_CANCEL		= 0x04,
+	B_DISK_DEVICE_JOB_CAN_PAUSE				= 0x08,
+};
+
 #ifdef __cplusplus
 }
 #endif