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udev: create /dev/disk/by-label symlinks for DM devs that have crypto as next layer

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We already create /dev/disk/by-uuid symlinks for DM devices which
contain crypto-type as next layer (as identified by blkid).

Also create /dev/disk/by-label symlinks as the labels can be
defined for crypto-type devices too.

Reported and fix suggested by: Patrick Plenefisch <simonpatp@gmail.com>
See also:
https://lore.kernel.org/lvm-devel/CAOCpoWfYjOVNJNt+cnOVXDHiDq2wRogTqBijcUoa7chqOLRa5Q@mail.gmail.com/
This commit is contained in:
Peter Rajnoha 2024-03-25 10:16:04 +01:00
parent 4203fdbfef
commit f09a992720
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2 changed files with 2 additions and 1 deletions
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1
WHATS_NEW_DM
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@ -1,5 +1,6 @@
Version 1.02.198 -
===================
Create /dev/disk/by-label symlinks for DM devs that have crypto as next layer.
Persist udev db for DM devs on cleanup used in initrd to rootfs transition.
Process synthetic udev events other than 'add/change' as 'change' events.
Increase DM_UDEV_RULES_VSN to 3 to indicate changed udev rules.

2
udev/13-dm-disk.rules.in
View File

@ -38,7 +38,7 @@ IMPORT{db}="ID_PART_GPT_AUTO_ROOT"
LABEL="dm_link"
ENV{DM_UDEV_LOW_PRIORITY_FLAG}=="1", OPTIONS="link_priority=-100"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
ENV{ID_FS_USAGE}=="filesystem|other|crypto", ENV{ID_FS_LABEL_ENC}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_ENC}"
ENV{ID_PART_ENTRY_UUID}=="?*", SYMLINK+="disk/by-partuuid/$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}"
ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_GPT_AUTO_ROOT}=="1", SYMLINK+="gpt-auto-root"