Udevadm не перечисляет все атрибуты устройства

Question

Недавно я хочу изменить планировщик по умолчанию для всех моих блочных устройств. Я обнаружил, что правила Udev - отличный выбор. Однако почему я не могу получить все доступные атрибуты с помощью команды udevadm info -a /dev/sda ? например, ATTR{queue/scheduler} не указан в этой команде.

Вывод команды:

    looking at device '/devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/host1/target1:0:0/1:0:0:0/block/sda':
    KERNEL=="sda"
    SUBSYSTEM=="block"
    DRIVER==""
    ATTR{SUBSYSTEM}=="block"
    ATTR{DEVTYPE}=="disk"
    ATTR{MAJOR}=="8"
    ATTR{MINOR}=="0"
    ATTR{USEC_INITIALIZED}=="79339899"
    ATTR{ID_VENDOR}=="WD"
    ATTR{ID_VENDOR_ENC}=="WD\x20\x20\x20\x20\x20\x20"
    ATTR{ID_VENDOR_ID}=="1058"
    ATTR{ID_MODEL}=="My_Passport_25E2"
    ATTR{ID_MODEL_ENC}=="My\x20Passport\x2025E2"
    ATTR{ID_MODEL_ID}=="25e2"
    ATTR{ID_REVISION}=="4005"
    ATTR{ID_SERIAL}=="WD_My_Passport_25E2_57584831413138394C335632-0:0"
    ATTR{ID_SERIAL_SHORT}=="57584831413138394C335632"
    ATTR{ID_TYPE}=="disk"
    ATTR{ID_INSTANCE}=="0:0"
    ATTR{ID_BUS}=="usb"
    ATTR{ID_USB_INTERFACES}==":080650:"
    ATTR{ID_USB_INTERFACE_NUM}=="00"
    ATTR{ID_USB_DRIVER}=="usb-storage"
    ATTR{ID_PATH}=="pci-0000:00:14.0-usb-0:1:1.0-scsi-0:0:0:0"
    ATTR{ID_PATH_TAG}=="pci-0000_00_14_0-usb-0_1_1_0-scsi-0_0_0_0"
    ATTR{ID_PART_TABLE_UUID}=="f709913a-6a76-420d-8df7-f19a720675cb"
    ATTR{ID_PART_TABLE_TYPE}=="gpt"
    ATTR{TAGS}==":systemd:"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/host1/target1:0:0/1:0:0:0':
    KERNELS=="1:0:0:0"
    SUBSYSTEMS=="scsi"
    DRIVERS=="sd"
    ATTRS{SUBSYSTEM}=="scsi"
    ATTRS{DRIVER}=="sd"
    ATTRS{DEVTYPE}=="scsi_device"
    ATTRS{MODALIAS}=="scsi:t-0x00"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/host1/target1:0:0':
    KERNELS=="target1:0:0"
    SUBSYSTEMS=="scsi"
    DRIVERS==""
    ATTRS{SUBSYSTEM}=="scsi"
    ATTRS{DEVTYPE}=="scsi_target"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0/host1':
    KERNELS=="host1"
    SUBSYSTEMS=="scsi"
    DRIVERS==""
    ATTRS{SUBSYSTEM}=="scsi"
    ATTRS{DEVTYPE}=="scsi_host"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-1/2-1:1.0':
    KERNELS=="2-1:1.0"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb-storage"
    ATTRS{SUBSYSTEM}=="usb"
    ATTRS{DRIVER}=="usb-storage"
    ATTRS{DEVTYPE}=="usb_interface"
    ATTRS{PRODUCT}=="1058/25e2/4005"
    ATTRS{TYPE}=="0/0/0"
    ATTRS{INTERFACE}=="8/6/80"
    ATTRS{MODALIAS}=="usb:v1058p25E2d4005dc00dsc00dp00ic08isc06ip50in00"
    ATTRS{USEC_INITIALIZED}=="72626419"
    ATTRS{ID_VENDOR_FROM_DATABASE}=="Western Digital Technologies, Inc."
    ATTRS{ID_MODEL_FROM_DATABASE}=="My Passport (WD40NMZW)"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2/2-1':
    KERNELS=="2-1"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{SUBSYSTEM}=="usb"
    ATTRS{DRIVER}=="usb"
    ATTRS{DEVTYPE}=="usb_device"
    ATTRS{PRODUCT}=="1058/25e2/4005"
    ATTRS{TYPE}=="0/0/0"
    ATTRS{BUSNUM}=="002"
    ATTRS{DEVNUM}=="002"
    ATTRS{MAJOR}=="189"
    ATTRS{MINOR}=="129"
    ATTRS{USEC_INITIALIZED}=="72625379"
    ATTRS{ID_VENDOR}=="Western_Digital"
    ATTRS{ID_VENDOR_ENC}=="Western\x20Digital"
    ATTRS{ID_VENDOR_ID}=="1058"
    ATTRS{ID_MODEL}=="My_Passport_25E2"
    ATTRS{ID_MODEL_ENC}=="My\x20Passport\x2025E2"
    ATTRS{ID_MODEL_ID}=="25e2"
    ATTRS{ID_REVISION}=="4005"
    ATTRS{ID_SERIAL}=="Western_Digital_My_Passport_25E2_57584831413138394C335632"
    ATTRS{ID_SERIAL_SHORT}=="57584831413138394C335632"
    ATTRS{ID_BUS}=="usb"
    ATTRS{ID_USB_INTERFACES}==":080650:"
    ATTRS{ID_VENDOR_FROM_DATABASE}=="Western Digital Technologies, Inc."
    ATTRS{ID_MODEL_FROM_DATABASE}=="My Passport (WD40NMZW)"

  looking at parent device '/devices/pci0000:00/0000:00:14.0/usb2':
    KERNELS=="usb2"
    SUBSYSTEMS=="usb"
    DRIVERS=="usb"
    ATTRS{SUBSYSTEM}=="usb"
    ATTRS{DRIVER}=="usb"
    ATTRS{DEVTYPE}=="usb_device"
    ATTRS{PRODUCT}=="1d6b/3/420"
    ATTRS{TYPE}=="9/0/3"
    ATTRS{BUSNUM}=="002"
    ATTRS{DEVNUM}=="001"
    ATTRS{MAJOR}=="189"
    ATTRS{MINOR}=="128"
    ATTRS{USEC_INITIALIZED}=="1862070"
    ATTRS{ID_VENDOR}=="Linux_4.20.5-1-ck-skylake_xhci-hcd"
    ATTRS{ID_VENDOR_ENC}=="Linux\x204.20.5-1-ck-skylake\x20xhci-hcd"
    ATTRS{ID_VENDOR_ID}=="1d6b"
    ATTRS{ID_MODEL}=="xHCI_Host_Controller"
    ATTRS{ID_MODEL_ENC}=="xHCI\x20Host\x20Controller"
    ATTRS{ID_MODEL_ID}=="0003"
    ATTRS{ID_REVISION}=="0420"
    ATTRS{ID_SERIAL}=="Linux_4.20.5-1-ck-skylake_xhci-hcd_xHCI_Host_Controller_0000:00:14.0"
    ATTRS{ID_SERIAL_SHORT}=="0000:00:14.0"
    ATTRS{ID_BUS}=="usb"
    ATTRS{ID_USB_INTERFACES}==":090000:"
    ATTRS{ID_VENDOR_FROM_DATABASE}=="Linux Foundation"
    ATTRS{ID_MODEL_FROM_DATABASE}=="3.0 root hub"
    ATTRS{ID_PATH}=="pci-0000:00:14.0"
    ATTRS{ID_PATH_TAG}=="pci-0000_00_14_0"
    ATTRS{ID_FOR_SEAT}=="usb-pci-0000_00_14_0"
    ATTRS{TAGS}==":seat:"

  looking at parent device '/devices/pci0000:00/0000:00:14.0':
    KERNELS=="0000:00:14.0"
    SUBSYSTEMS=="pci"
    DRIVERS=="xhci_hcd"
    ATTRS{SUBSYSTEM}=="pci"
    ATTRS{DRIVER}=="xhci_hcd"
    ATTRS{PCI_CLASS}=="C0330"
    ATTRS{PCI_ID}=="8086:9DED"
    ATTRS{PCI_SUBSYS_ID}=="1028:08A5"
    ATTRS{PCI_SLOT_NAME}=="0000:00:14.0"
    ATTRS{MODALIAS}=="pci:v00008086d00009DEDsv00001028sd000008A5bc0Csc03i30"
    ATTRS{USEC_INITIALIZED}=="1855424"
    ATTRS{ID_PCI_CLASS_FROM_DATABASE}=="Serial bus controller"
    ATTRS{ID_PCI_SUBCLASS_FROM_DATABASE}=="USB controller"
    ATTRS{ID_PCI_INTERFACE_FROM_DATABASE}=="XHCI"
    ATTRS{ID_VENDOR_FROM_DATABASE}=="Intel Corporation"

  looking at parent device '/devices/pci0000:00':
    KERNELS=="pci0000:00"
    SUBSYSTEMS==""
    DRIVERS==""