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udev: introduce .PART_SUFFIX internal property

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To make unify rules for disk and partition.
This commit is contained in:
Yu Watanabe 2023-05-24 13:05:56 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 5287b3a87a
commit 998db5871f
1 changed files with 46 additions and 61 deletions
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107
rules.d/60-persistent-storage.rules.in
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@ -29,42 +29,33 @@ ENV{DEVTYPE}=="partition", \
IMPORT{parent}="ID_F[!S]*", IMPORT{parent}="ID_F", \ IMPORT{parent}="ID_F[!S]*", IMPORT{parent}="ID_F", \
IMPORT{parent}="ID_FS[!_]*", IMPORT{parent}="ID_FS" IMPORT{parent}="ID_FS[!_]*", IMPORT{parent}="ID_FS"
ENV{DEVTYPE}=="partition", ENV{.PART_SUFFIX}="-part%n"
ENV{DEVTYPE}!="partition", ENV{.PART_SUFFIX}=""
# NVMe # NVMe
KERNEL=="nvme*[0-9]n*[0-9]", ATTR{wwid}=="?*", SYMLINK+="disk/by-id/nvme-$attr{wwid}" KERNEL!="nvme*[0-9]n*[0-9]|nvme*[0-9]n*[0-9]p*[0-9]", GOTO="nvme_end"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ATTRS{wwid}=="?*", SYMLINK+="disk/by-id/nvme-$attr{wwid}-part%n"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ATTRS{serial}=="?*", ENV{ID_SERIAL_SHORT}="$attr{serial}" ATTRS{serial}=="?*", ENV{ID_SERIAL_SHORT}="$attr{serial}"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ATTRS{wwid}=="?*", ENV{ID_WWN}="$attr{wwid}" ATTRS{wwid}=="?*", ENV{ID_WWN}="$attr{wwid}"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ATTRS{model}=="?*", ENV{ID_MODEL}="$attr{model}" ATTRS{model}=="?*", ENV{ID_MODEL}="$attr{model}"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ATTRS{firmware_rev}=="?*", ENV{ID_REVISION}="$attr{firmware_rev}" ATTRS{firmware_rev}=="?*", ENV{ID_REVISION}="$attr{firmware_rev}"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ATTRS{nsid}=="?*", ENV{ID_NSID}="$attr{nsid}" ATTRS{nsid}=="?*", ENV{ID_NSID}="$attr{nsid}"
# obsolete symlink with non-escaped characters, kept for backward compatibility
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", \ ENV{ID_WWN}=="?*", SYMLINK+="disk/by-id/nvme-$env{ID_WWN}$env{.PART_SUFFIX}"
ENV{ID_MODEL}!="*/*", ENV{ID_SERIAL_SHORT}!="*/*", \
ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}"
# obsolete symlink that might get overridden on adding a new nvme controller, kept for backward compatibility
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", \
OPTIONS="string_escape=replace", ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}"
KERNEL=="nvme*[0-9]n*[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_NSID}=="?*", \
OPTIONS="string_escape=replace", ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}_$env{ID_NSID}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ATTRS{serial}=="?*", ENV{ID_SERIAL_SHORT}="$attr{serial}"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ATTRS{model}=="?*", ENV{ID_MODEL}="$attr{model}"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ATTRS{firmware_rev}=="?*", ENV{ID_REVISION}="$attr{firmware_rev}"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ATTRS{nsid}=="?*", ENV{ID_NSID}="$attr{nsid}"
# obsolete symlink with non-escaped characters, kept for backward compatibility # obsolete symlink with non-escaped characters, kept for backward compatibility
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", \ ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_MODEL}!="*/*", ENV{ID_SERIAL_SHORT}!="*/*", \
ENV{ID_MODEL}!="*/*", ENV{ID_SERIAL_SHORT}!="*/*", \ ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}-part%n"
# obsolete symlink that might get overridden on adding a new nvme controller, kept for backward compatibility # obsolete symlink that might get overridden on adding a new nvme controller, kept for backward compatibility
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", \ ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", OPTIONS="string_escape=replace", \
OPTIONS="string_escape=replace", ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}-part%n" ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
KERNEL=="nvme*[0-9]n*[0-9]p*[0-9]", ENV{DEVTYPE}=="partition", ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_NSID}=="?*", \ ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_NSID}=="?*", OPTIONS="string_escape=replace", \
OPTIONS="string_escape=replace", ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}_$env{ID_NSID}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}-part%n" ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}_$env{ID_NSID}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
LABEL="nvme_end"
# virtio-blk # virtio-blk
KERNEL=="vd*[!0-9]", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}" KERNEL=="vd*", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}$env{.PART_SUFFIX}"
KERNEL=="vd*[0-9]", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}-part%n"
# ATA # ATA
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $devnode" KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $devnode"
@ -81,50 +72,48 @@ KERNEL=="sd*[!0-9]|sr*", SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id"
# SCSI devices # SCSI devices
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="scsi" KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="scsi"
KERNEL=="cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="cciss" KERNEL=="cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}!="?*", IMPORT{program}="scsi_id --export --allowlisted -d $devnode", ENV{ID_BUS}="cciss"
KERNEL=="sd*|sr*|cciss*", ENV{DEVTYPE}=="disk", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"
KERNEL=="sd*|cciss*", ENV{DEVTYPE}=="partition", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n" KERNEL=="sd*|sr*|cciss*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}$env{.PART_SUFFIX}"
# Previously, ata_id in the above might not be able to retrieve attributes correctly, # Previously, ata_id in the above might not be able to retrieve attributes correctly,
# and properties from usb_id were used as a fallback. See issue #24921 and PR #24923. # and properties from usb_id were used as a fallback. See issue #24921 and PR #24923.
# To keep backward compatibility, still we need to create symlinks based on USB serial. # To keep backward compatibility, still we need to create symlinks based on USB serial.
# See issue #25179. # See issue #25179.
KERNEL=="sd*|sr*|cciss*", ENV{DEVTYPE}=="disk", ENV{ID_USB_SERIAL}=="?*", SYMLINK+="disk/by-id/usb-$env{ID_USB_SERIAL}" KERNEL=="sd*|sr*|cciss*", ENV{ID_USB_SERIAL}=="?*", SYMLINK+="disk/by-id/usb-$env{ID_USB_SERIAL}$env{.PART_SUFFIX}"
KERNEL=="sd*|cciss*", ENV{DEVTYPE}=="partition", ENV{ID_USB_SERIAL}=="?*", SYMLINK+="disk/by-id/usb-$env{ID_USB_SERIAL}-part%n"
# PMEM devices # PMEM devices
KERNEL=="pmem*", ENV{DEVTYPE}=="disk", ATTRS{uuid}=="?*", SYMLINK+="disk/by-id/pmem-$attr{uuid}" KERNEL=="pmem*", ATTRS{uuid}=="?*", SYMLINK+="disk/by-id/pmem-$attr{uuid}$env{.PART_SUFFIX}"
# FireWire # FireWire
KERNEL=="sd*[!0-9]|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}" KERNEL=="sd*|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}$env{.PART_SUFFIX}"
KERNEL=="sd*[0-9]", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}-part%n"
# MMC # MMC
KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}" KERNEL!="mmcblk[0-9]|mmcblk[0-9]p[0-9]*", GOTO="mmc_end"
KERNEL=="mmcblk[0-9]", SUBSYSTEMS=="mmc", ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}" SUBSYSTEMS!="mmc", GOTO="mmc_end"
KERNEL=="mmcblk[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}" ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}"
KERNEL=="mmcblk[0-9]p[0-9]*", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}-part%n" ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}"
ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}$env{.PART_SUFFIX}"
LABEL="mmc_end"
# Memstick # Memstick
KERNEL=="msblk[0-9]|mspblk[0-9]", SUBSYSTEMS=="memstick", ATTRS{name}=="?*", ATTRS{serial}=="?*", \ KERNEL!="msblk[0-9]|mspblk[0-9]|msblk[0-9]p[0-9]|mspblk[0-9]p[0-9]", GOTO="memstick_end"
ENV{ID_NAME}="$attr{name}", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}" SUBSYSTEMS!="memstick", GOTO="memstick_end"
KERNEL=="msblk[0-9]p[0-9]|mspblk[0-9]p[0-9]", ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}-part%n" ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}"
ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}"
ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/memstick-$env{ID_NAME}_$env{ID_SERIAL}$env{.PART_SUFFIX}"
LABEL="memstick_end"
# by-path # by-path
ENV{DEVTYPE}=="disk", DEVPATH!="*/virtual/*", IMPORT{builtin}="path_id" ENV{DEVTYPE}=="disk", DEVPATH!="*/virtual/*", IMPORT{builtin}="path_id"
ENV{DEVTYPE}=="disk", SUBSYSTEMS=="nvme-subsystem", IMPORT{builtin}="path_id" ENV{DEVTYPE}=="disk", SUBSYSTEMS=="nvme-subsystem", IMPORT{builtin}="path_id"
KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-boot%n" KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-boot%n"
KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}-boot%n" KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}-boot%n"
KERNEL!="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}" KERNEL!="mmcblk[0-9]boot[0-9]", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}$env{.PART_SUFFIX}"
KERNEL!="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_ATA_COMPAT}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_ATA_COMPAT}" KERNEL!="mmcblk[0-9]boot[0-9]", ENV{ID_PATH_ATA_COMPAT}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_ATA_COMPAT}$env{.PART_SUFFIX}"
KERNEL!="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}" 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}"
ENV{DEVTYPE}=="partition", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"
ENV{DEVTYPE}=="partition", ENV{ID_PATH_ATA_COMPAT}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_ATA_COMPAT}-part%n"
ENV{DEVTYPE}=="partition", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}-part%n"
# legacy virtio-pci by-path links (deprecated) # legacy virtio-pci by-path links (deprecated)
KERNEL=="vd*[!0-9]", ENV{ID_PATH}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH}" KERNEL=="vd*", ENV{ID_PATH}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH}$env{.PART_SUFFIX}"
KERNEL=="vd*[!0-9]", ENV{ID_PATH_WITH_USB_REVISION}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH_WITH_USB_REVISION}" KERNEL=="vd*", ENV{ID_PATH_WITH_USB_REVISION}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH_WITH_USB_REVISION}$env{.PART_SUFFIX}"
KERNEL=="vd*[0-9]", ENV{ID_PATH}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH}-part%n"
KERNEL=="vd*[0-9]", ENV{ID_PATH_WITH_USB_REVISION}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH_WITH_USB_REVISION}-part%n"
{% if HAVE_BLKID %} {% if HAVE_BLKID %}
# allow admin to disable probing the filesystem for slow devices like floppy disk drives # allow admin to disable probing the filesystem for slow devices like floppy disk drives
@ -148,8 +137,7 @@ ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}" ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
# by-id (World Wide Name) # by-id (World Wide Name)
ENV{DEVTYPE}=="disk", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}" ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}$env{.PART_SUFFIX}"
ENV{DEVTYPE}=="partition", ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}-part%n"
# by-partlabel/by-partuuid links (partition metadata) # by-partlabel/by-partuuid links (partition metadata)
ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}" ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}"
@ -158,18 +146,15 @@ ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/
# by-diskseq link (if an app is told to open a path like this, they may parse # by-diskseq link (if an app is told to open a path like this, they may parse
# the diskseq number from the path, then issue BLKGETDISKSEQ to verify they really got # the diskseq number from the path, then issue BLKGETDISKSEQ to verify they really got
# the right device, to access specific disks in a race-free fashion) # the right device, to access specific disks in a race-free fashion)
ENV{DISKSEQ}=="?*", ENV{DEVTYPE}!="partition", ENV{ID_IGNORE_DISKSEQ}!="1", SYMLINK+="disk/by-diskseq/$env{DISKSEQ}" ENV{DISKSEQ}=="?*", ENV{ID_IGNORE_DISKSEQ}!="1", SYMLINK+="disk/by-diskseq/$env{DISKSEQ}$env{.PART_SUFFIX}"
ENV{DISKSEQ}=="?*", ENV{DEVTYPE}=="partition", ENV{ID_IGNORE_DISKSEQ}!="1", SYMLINK+="disk/by-diskseq/$env{DISKSEQ}-part%n"
# Create symlinks that allow referencing loopback devices by their backing file's inode number # Create symlinks that allow referencing loopback devices by their backing file's inode number
ENV{DEVTYPE}!="partition", ENV{ID_LOOP_BACKING_DEVICE}!="", ENV{ID_LOOP_BACKING_INODE}!="", SYMLINK+="loop/by-inode/$env{ID_LOOP_BACKING_DEVICE}-$env{ID_LOOP_BACKING_INODE}" ENV{ID_LOOP_BACKING_DEVICE}!="", ENV{ID_LOOP_BACKING_INODE}!="", SYMLINK+="loop/by-inode/$env{ID_LOOP_BACKING_DEVICE}-$env{ID_LOOP_BACKING_INODE}$env{.PART_SUFFIX}"
ENV{DEVTYPE}=="partition", ENV{ID_LOOP_BACKING_DEVICE}!="", ENV{ID_LOOP_BACKING_INODE}!="", SYMLINK+="loop/by-inode/$env{ID_LOOP_BACKING_DEVICE}-$env{ID_LOOP_BACKING_INODE}-part%n"
# Similar, but uses the .lo_file_name field of the loopback device (note that # Similar, but uses the .lo_file_name field of the loopback device (note that
# this is basically just a free-form string passed from userspace to the kernel # this is basically just a free-form string passed from userspace to the kernel
# when the device is created, it is not necessarily a file system path like the # when the device is created, it is not necessarily a file system path like the
# "loop/backing_file" sysfs attribute, which is always an absolute path) # "loop/backing_file" sysfs attribute, which is always an absolute path)
ENV{DEVTYPE}!="partition", ENV{ID_LOOP_BACKING_FILENAME_ENC}!="", SYMLINK+="loop/by-ref/$env{ID_LOOP_BACKING_FILENAME_ENC}" ENV{ID_LOOP_BACKING_FILENAME_ENC}!="", SYMLINK+="loop/by-ref/$env{ID_LOOP_BACKING_FILENAME_ENC}$env{.PART_SUFFIX}"
ENV{DEVTYPE}=="partition", ENV{ID_LOOP_BACKING_FILENAME_ENC}!="", SYMLINK+="loop/by-ref/$env{ID_LOOP_BACKING_FILENAME_ENC}-part%n"
LABEL="persistent_storage_end" LABEL="persistent_storage_end"