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c4521fc17b
Decrease devlink priority for encrypted partitions, and make the priority for decrypted DM devices relatively higher. This is for the case that an encrypted partition and its decrypted DM device have the same label.
163 lines
9 KiB
Plaintext
163 lines
9 KiB
Plaintext
# do not edit this file, it will be overwritten on update
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# persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path}
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# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>
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ACTION=="remove", GOTO="persistent_storage_end"
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ENV{UDEV_DISABLE_PERSISTENT_STORAGE_RULES_FLAG}=="1", GOTO="persistent_storage_end"
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SUBSYSTEM!="block|ubi", GOTO="persistent_storage_end"
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KERNEL!="loop*|mmcblk*[0-9]|msblk*[0-9]|mspblk*[0-9]|nvme*|sd*|sr*|vd*|xvd*|bcache*|cciss*|dasd*|ubd*|ubi*|scm*|pmem*|nbd*|zd*", GOTO="persistent_storage_end"
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# ignore partitions that span the entire disk
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TEST=="whole_disk", GOTO="persistent_storage_end"
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# For partitions import parent disk ID_* information, except ID_FS_*.
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#
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# This is particularly important on media where a filesystem superblock and
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# partition table are found on the same level, e.g. common Linux distro ISO
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# installation media.
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#
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# In the case where a partition device points to the same filesystem that
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# was detected on the parent disk, the ID_FS_* information is already
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# present on the partition devices as well as the parent, so no need to
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# propagate it. In the case where the partition device points to a different
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# filesystem, merging the parent ID_FS_ properties would lead to
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# inconsistencies, so we avoid doing so.
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ENV{DEVTYPE}=="partition", \
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IMPORT{parent}="ID_[!F]*", IMPORT{parent}="ID_", \
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IMPORT{parent}="ID_F[!S]*", IMPORT{parent}="ID_F", \
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IMPORT{parent}="ID_FS[!_]*", IMPORT{parent}="ID_FS"
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ENV{DEVTYPE}=="partition", ENV{.PART_SUFFIX}="-part%n"
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ENV{DEVTYPE}!="partition", ENV{.PART_SUFFIX}=""
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# NVMe
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KERNEL!="nvme*[0-9]n*[0-9]|nvme*[0-9]n*[0-9]p*[0-9]", GOTO="nvme_end"
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ATTRS{serial}=="?*", ENV{ID_SERIAL_SHORT}="$attr{serial}"
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ATTRS{wwid}=="?*", ENV{ID_WWN}="$attr{wwid}"
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ATTRS{model}=="?*", ENV{ID_MODEL}="$attr{model}"
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ATTRS{firmware_rev}=="?*", ENV{ID_REVISION}="$attr{firmware_rev}"
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ATTRS{nsid}=="?*", ENV{ID_NSID}="$attr{nsid}"
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ENV{ID_WWN}=="?*", SYMLINK+="disk/by-id/nvme-$env{ID_WWN}$env{.PART_SUFFIX}"
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# obsolete symlink with non-escaped characters, kept for backward compatibility
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ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_MODEL}!="*/*", ENV{ID_SERIAL_SHORT}!="*/*", \
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ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
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# obsolete symlink that might get overridden on adding a new nvme controller, kept for backward compatibility
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ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", OPTIONS="string_escape=replace", \
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ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
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ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_NSID}=="?*", OPTIONS="string_escape=replace", \
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ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}_$env{ID_NSID}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
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LABEL="nvme_end"
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# virtio-blk
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KERNEL=="vd*", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}$env{.PART_SUFFIX}"
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# ATA
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KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $devnode"
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# ATAPI devices (SPC-3 or later)
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KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{type}=="5", ATTRS{scsi_level}=="[6-9]*", IMPORT{program}="ata_id --export $devnode"
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# Run ata_id on non-removable USB Mass Storage (SATA/PATA disks in enclosures)
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KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", ATTR{removable}=="0", SUBSYSTEMS=="usb", IMPORT{program}="ata_id --export $devnode"
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# Also import properties from usb_id for USB devices
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KERNEL=="sd*[!0-9]|sr*", SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id"
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# SCSI devices
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KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="scsi"
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KERNEL=="cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="cciss"
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KERNEL=="sd*|sr*|cciss*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}$env{.PART_SUFFIX}"
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# Previously, ata_id in the above might not be able to retrieve attributes correctly,
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# and properties from usb_id were used as a fallback. See issue #24921 and PR #24923.
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# To keep backward compatibility, still we need to create symlinks based on USB serial.
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# See issue #25179.
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KERNEL=="sd*|sr*|cciss*", ENV{ID_USB_SERIAL}=="?*", SYMLINK+="disk/by-id/usb-$env{ID_USB_SERIAL}$env{.PART_SUFFIX}"
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# PMEM devices
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KERNEL=="pmem*", ATTRS{uuid}=="?*", SYMLINK+="disk/by-id/pmem-$attr{uuid}$env{.PART_SUFFIX}"
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# FireWire
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KERNEL=="sd*|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}$env{.PART_SUFFIX}"
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# MMC
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KERNEL!="mmcblk[0-9]|mmcblk[0-9]p[0-9]*", GOTO="mmc_end"
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SUBSYSTEMS!="mmc", GOTO="mmc_end"
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ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}"
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ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}"
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ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}$env{.PART_SUFFIX}"
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LABEL="mmc_end"
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# Memstick
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KERNEL!="msblk[0-9]|mspblk[0-9]|msblk[0-9]p[0-9]|mspblk[0-9]p[0-9]", GOTO="memstick_end"
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SUBSYSTEMS!="memstick", GOTO="memstick_end"
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ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}"
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ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}"
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ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}$env{.PART_SUFFIX}"
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LABEL="memstick_end"
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# by-path
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ENV{DEVTYPE}=="disk", DEVPATH!="*/virtual/*", IMPORT{builtin}="path_id"
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ENV{DEVTYPE}=="disk", SUBSYSTEMS=="nvme-subsystem", IMPORT{builtin}="path_id"
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KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-boot%n"
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KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}-boot%n"
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KERNEL!="mmcblk[0-9]boot[0-9]", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}$env{.PART_SUFFIX}"
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KERNEL!="mmcblk[0-9]boot[0-9]", ENV{ID_PATH_ATA_COMPAT}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_ATA_COMPAT}$env{.PART_SUFFIX}"
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KERNEL!="mmcblk[0-9]boot[0-9]", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}$env{.PART_SUFFIX}"
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# legacy virtio-pci by-path links (deprecated)
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KERNEL=="vd*", ENV{ID_PATH}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH}$env{.PART_SUFFIX}"
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KERNEL=="vd*", ENV{ID_PATH_WITH_USB_REVISION}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH_WITH_USB_REVISION}$env{.PART_SUFFIX}"
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{% if HAVE_BLKID %}
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# allow admin to disable probing the filesystem for slow devices like floppy disk drives
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ENV{UDEV_DISABLE_PERSISTENT_STORAGE_BLKID_FLAG}=="1", GOTO="persistent_storage_blkid_probe_end"
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# probe filesystem metadata of optical drives which have a media inserted
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KERNEL=="sr*", ENV{DISK_EJECT_REQUEST}!="?*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="?*", \
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IMPORT{builtin}="blkid --hint=session_offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}"
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# single-session CDs do not have ID_CDROM_MEDIA_SESSION_LAST_OFFSET
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KERNEL=="sr*", ENV{DISK_EJECT_REQUEST}!="?*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="", \
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IMPORT{builtin}="blkid --noraid"
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# probe filesystem metadata of disks
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KERNEL!="sr*|mmcblk[0-9]boot[0-9]", IMPORT{builtin}="blkid"
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LABEL="persistent_storage_blkid_probe_end"
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{% endif %}
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# Decrease devlink priority for whole disk of ISO hybrid images, and make the
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# priority for partitions in the image relatively higher. This is for the case
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# that a disk and one of its partition have the same label or so.
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# See issue #28468.
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ENV{ID_FS_TYPE}=="iso9660", ENV{DEVTYPE}=="disk", OPTIONS+="link_priority=-10"
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# Decrease devlink priority for encrypted partitions, and make the priority for
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# decrypted DM devices relatively higher. This is for the case that an encrypted
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# partition and its decrypted DM device have the same label.
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ENV{ID_FS_USAGE}=="crypto", OPTIONS+="link_priority=-10"
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# by-label/by-uuid links (filesystem metadata)
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ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
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ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
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# by-id (World Wide Name)
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ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}$env{.PART_SUFFIX}"
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# by-partlabel/by-partuuid links (partition metadata)
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ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}"
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ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/by-partlabel/$env{ID_PART_ENTRY_NAME}"
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# by-diskseq link (if an app is told to open a path like this, they may parse
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# the diskseq number from the path, then issue BLKGETDISKSEQ to verify they really got
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# the right device, to access specific disks in a race-free fashion)
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ENV{DISKSEQ}=="?*", ENV{ID_IGNORE_DISKSEQ}!="1", SYMLINK+="disk/by-diskseq/$env{DISKSEQ}$env{.PART_SUFFIX}"
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LABEL="persistent_storage_end"
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