lxd/storage/quota/projectquota.go
func Supported(path string) (bool, error) {
	// Get the backing device
	devPath, err := devForPath(path)
	if err != nil {
		return false, err
	}

	// Call quotactl through CGo
	cDevPath := C.CString(devPath)
	defer C.free(unsafe.Pointer(cDevPath))

	return C.quota_supported(cDevPath) == 0, nil
}
func Supported(path string) (bool, error) {
	// Get the backing device
	devPath, err := devForPath(path)
	if err != nil {
		return false, err
	}

	// Call quotactl through CGo
	cDevPath := C.CString(devPath)
	defer C.free(unsafe.Pointer(cDevPath))

	return C.quota_supported(cDevPath) == 0, nil
}
// Supported check if the given path supports project quotas