@@ -47,7 +47,6 @@ var (

 	ErrTaskAddTarget          = errors.New("dm_task_add_target failed")

 	ErrTaskSetSector          = errors.New("dm_task_set_sector failed")

 	ErrTaskGetInfo            = errors.New("dm_task_get_info failed")

-	ErrTaskGetDriverVersion   = errors.New("dm_task_get_driver_version failed")

 	ErrTaskSetCookie          = errors.New("dm_task_set_cookie failed")

 	ErrNilCookie              = errors.New("cookie ptr can't be nil")

 	ErrAttachLoopbackDevice   = errors.New("loopback mounting failed")

@@ -246,10 +246,6 @@ func dmTaskAddTargetFail(task *CDmTask,

 	return -1

 }

-func dmTaskGetDriverVersionFail(task *CDmTask, version *string) int {

-	return -1

-}

-

 func dmTaskGetInfoFail(task *CDmTask, info *Info) int {

 	return -1

 }

@@ -267,10 +263,6 @@ func sysGetBlockSizeFail(fd uintptr, size *uint64) sysErrno {

 	return 1

 }

-func dmGetBlockSizeFail(fd uintptr) int64 {

-	return -1

-}

-

 func dmUdevWaitFail(cookie uint) int {

 	return -1

 }