forked from systemd/systemd
-
Notifications
You must be signed in to change notification settings - Fork 0
/
60-persistent-storage.rules.in
173 lines (136 loc) · 9.78 KB
/
60-persistent-storage.rules.in
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
# do not edit this file, it will be overwritten on update
# persistent storage links: /dev/disk/{by-id,by-uuid,by-label,by-path}
# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>
ACTION=="remove", GOTO="persistent_storage_end"
ENV{UDEV_DISABLE_PERSISTENT_STORAGE_RULES_FLAG}=="1", GOTO="persistent_storage_end"
SUBSYSTEM!="block|ubi", GOTO="persistent_storage_end"
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"
# ignore partitions that span the entire disk
TEST=="whole_disk", GOTO="persistent_storage_end"
# For partitions import parent disk ID_* information, except ID_FS_*.
#
# This is particularly important on media where a filesystem superblock and
# partition table are found on the same level, e.g. common Linux distro ISO
# installation media.
#
# In the case where a partition device points to the same filesystem that
# was detected on the parent disk, the ID_FS_* information is already
# present on the partition devices as well as the parent, so no need to
# propagate it. In the case where the partition device points to a different
# filesystem, merging the parent ID_FS_ properties would lead to
# inconsistencies, so we avoid doing so.
ENV{DEVTYPE}=="partition", \
IMPORT{parent}="ID_[!F]*", IMPORT{parent}="ID_", \
IMPORT{parent}="ID_F[!S]*", IMPORT{parent}="ID_F", \
IMPORT{parent}="ID_FS[!_]*", IMPORT{parent}="ID_FS"
ENV{DEVTYPE}=="partition", ENV{.PART_SUFFIX}="-part%n"
ENV{DEVTYPE}!="partition", ENV{.PART_SUFFIX}=""
# NVMe
KERNEL!="nvme*[0-9]n*[0-9]|nvme*[0-9]n*[0-9]p*[0-9]", GOTO="nvme_end"
ATTRS{serial}=="?*", ENV{ID_SERIAL_SHORT}="$attr{serial}"
ATTRS{wwid}=="?*", ENV{ID_WWN}="$attr{wwid}"
ATTRS{model}=="?*", ENV{ID_MODEL}="$attr{model}"
ATTRS{firmware_rev}=="?*", ENV{ID_REVISION}="$attr{firmware_rev}"
ATTRS{nsid}=="?*", ENV{ID_NSID}="$attr{nsid}"
ENV{ID_WWN}=="?*", SYMLINK+="disk/by-id/nvme-$env{ID_WWN}$env{.PART_SUFFIX}"
# obsolete symlink with non-escaped characters, kept for backward compatibility
ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_MODEL}!="*/*", ENV{ID_SERIAL_SHORT}!="*/*", \
ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
# obsolete symlink that might get overridden on adding a new nvme controller, kept for backward compatibility
ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", OPTIONS="string_escape=replace", \
ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
ENV{ID_MODEL}=="?*", ENV{ID_SERIAL_SHORT}=="?*", ENV{ID_NSID}=="?*", OPTIONS="string_escape=replace", \
ENV{ID_SERIAL}="$env{ID_MODEL}_$env{ID_SERIAL_SHORT}_$env{ID_NSID}", SYMLINK+="disk/by-id/nvme-$env{ID_SERIAL}$env{.PART_SUFFIX}"
LABEL="nvme_end"
# virtio-blk
KERNEL=="vd*", ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}", SYMLINK+="disk/by-id/virtio-$env{ID_SERIAL}$env{.PART_SUFFIX}"
# ATA
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{vendor}=="ATA", IMPORT{program}="ata_id --export $devnode"
# ATAPI devices (SPC-3 or later)
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", SUBSYSTEMS=="scsi", ATTRS{type}=="5", ATTRS{scsi_level}=="[6-9]*", IMPORT{program}="ata_id --export $devnode"
# Run ata_id on non-removable USB Mass Storage (SATA/PATA disks in enclosures)
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}!="?*", ATTR{removable}=="0", SUBSYSTEMS=="usb", IMPORT{program}="ata_id --export $devnode"
# Also import properties from usb_id for USB devices
KERNEL=="sd*[!0-9]|sr*", SUBSYSTEMS=="usb", IMPORT{builtin}="usb_id"
# SCSI devices
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 $devnode", ENV{ID_BUS}="cciss"
KERNEL=="sd*|sr*|cciss*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}$env{.PART_SUFFIX}"
# Previously, ata_id in the above might not be able to retrieve attributes correctly,
# 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.
# See issue #25179.
KERNEL=="sd*|sr*|cciss*", ENV{ID_USB_SERIAL}=="?*", SYMLINK+="disk/by-id/usb-$env{ID_USB_SERIAL}$env{.PART_SUFFIX}"
# PMEM devices
KERNEL=="pmem*", ATTRS{uuid}=="?*", SYMLINK+="disk/by-id/pmem-$attr{uuid}$env{.PART_SUFFIX}"
# FireWire
KERNEL=="sd*|sr*", ATTRS{ieee1394_id}=="?*", SYMLINK+="disk/by-id/ieee1394-$attr{ieee1394_id}$env{.PART_SUFFIX}"
# MMC
KERNEL=="mmcblk[0-9]|mmcblk[0-9]p[0-9]*", SUBSYSTEMS=="mmc", GOTO="mmc_start"
GOTO="mmc_end"
LABEL="mmc_start"
ATTRS{name}=="?*", ENV{ID_NAME}="$attr{name}"
ATTRS{serial}=="?*", ENV{ID_SERIAL}="$attr{serial}"
ENV{ID_NAME}=="?*", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/mmc-$env{ID_NAME}_$env{ID_SERIAL}$env{.PART_SUFFIX}"
LABEL="mmc_end"
# Memstick
KERNEL=="msblk[0-9]|mspblk[0-9]|msblk[0-9]p[0-9]|mspblk[0-9]p[0-9]", SUBSYSTEMS=="memstick", GOTO="memstick_start"
GOTO="memstick_end"
LABEL="memstick_start"
ATTRS{name}=="?*", ENV{ID_NAME}="$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
ENV{DEVTYPE}=="disk", DEVPATH!="*/virtual/*", 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/$env{ID_PATH}-boot%n"
KERNEL=="mmcblk[0-9]boot[0-9]", ENV{DEVTYPE}=="disk", ENV{ID_PATH_WITH_USB_REVISION}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_WITH_USB_REVISION}-boot%n"
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{ID_PATH_ATA_COMPAT}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH_ATA_COMPAT}$env{.PART_SUFFIX}"
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}"
# legacy virtio-pci by-path links (deprecated)
KERNEL=="vd*", ENV{ID_PATH}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH}$env{.PART_SUFFIX}"
KERNEL=="vd*", ENV{ID_PATH_WITH_USB_REVISION}=="pci-*", SYMLINK+="disk/by-path/virtio-$env{ID_PATH_WITH_USB_REVISION}$env{.PART_SUFFIX}"
{% if HAVE_BLKID %}
# allow admin to disable probing the filesystem for slow devices like floppy disk drives
ENV{UDEV_DISABLE_PERSISTENT_STORAGE_BLKID_FLAG}=="1", GOTO="persistent_storage_blkid_probe_end"
# probe filesystem metadata of optical drives which have a media inserted
KERNEL=="sr*", ENV{DISK_EJECT_REQUEST}!="?*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="?*", \
IMPORT{builtin}="blkid --hint=session_offset=$env{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}"
# single-session CDs do not have ID_CDROM_MEDIA_SESSION_LAST_OFFSET
KERNEL=="sr*", ENV{DISK_EJECT_REQUEST}!="?*", ENV{ID_CDROM_MEDIA_TRACK_COUNT_DATA}=="?*", ENV{ID_CDROM_MEDIA_SESSION_LAST_OFFSET}=="", \
IMPORT{builtin}="blkid --noraid"
# probe filesystem metadata of disks
KERNEL!="sr*|mmcblk[0-9]boot[0-9]", IMPORT{builtin}="blkid"
LABEL="persistent_storage_blkid_probe_end"
{% endif %}
# Decrease devlink priority for whole disk of ISO hybrid images, and make the
# priority for partitions in the image relatively higher. This is for the case
# that a disk and one of its partition have the same label or so.
# See issue #28468.
ENV{ID_FS_TYPE}=="iso9660", ENV{DEVTYPE}=="disk", OPTIONS+="link_priority=-10"
# Decrease devlink priority for encrypted partitions, and make the priority for
# decrypted DM devices relatively higher. This is for the case that an encrypted
# partition and its decrypted DM device have the same label.
ENV{ID_FS_USAGE}=="crypto", OPTIONS+="link_priority=-10"
# by-label/by-uuid links (filesystem metadata)
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
# by-id (World Wide Name)
ENV{ID_WWN_WITH_EXTENSION}=="?*", SYMLINK+="disk/by-id/wwn-$env{ID_WWN_WITH_EXTENSION}$env{.PART_SUFFIX}"
# by-partlabel/by-partuuid links (partition metadata)
ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$env{ID_PART_ENTRY_UUID}"
ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/by-partlabel/$env{ID_PART_ENTRY_NAME}"
# by-diskseq link (if an app is told to open a path like this, they may parse
# the diskseq number from the path, then issue BLKGETDISKSEQ to verify they really got
# the right device, to access specific disks in a race-free fashion)
ENV{DISKSEQ}=="?*", ENV{ID_IGNORE_DISKSEQ}!="1", SYMLINK+="disk/by-diskseq/$env{DISKSEQ}$env{.PART_SUFFIX}"
# Create symlinks that allow referencing loopback devices by their backing file's inode number
ENV{ID_LOOP_BACKING_DEVICE}!="", ENV{ID_LOOP_BACKING_INODE}!="", SYMLINK+="disk/by-loop-inode/$env{ID_LOOP_BACKING_DEVICE}-$env{ID_LOOP_BACKING_INODE}$env{.PART_SUFFIX}"
# 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
# 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)
ENV{ID_LOOP_BACKING_FILENAME_ENC}!="", SYMLINK+="disk/by-loop-ref/$env{ID_LOOP_BACKING_FILENAME_ENC}$env{.PART_SUFFIX}"
LABEL="persistent_storage_end"