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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-07-21 03:26:13 +0200 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2023-08-10 00:05:47 +0200 |
| commit | 7a05926fbe6ed92e60e0afc9857ced91a532f791 (patch) | |
| tree | 60bdda95a2e2ed931d78704a2c34a72c1d5769cd /rules.d | |
| parent | Merge pull request #28734 from loongarch64/dev-wu-main (diff) | |
| download | systemd-7a05926fbe6ed92e60e0afc9857ced91a532f791.tar.xz systemd-7a05926fbe6ed92e60e0afc9857ced91a532f791.zip | |
udev: re-introduce symlinks for loopback block device
But the directories are changed from /dev/loop/by-ref/ -> /dev/disk/by-loop-ref/
and /dev/loop/by-inode/ -> /dev/disk/by-loop-inode/.
As /dev/loop/ is used by losetup command for other purpose.
See issue #28475.
This effectively reverts commits 9915cc60868c77e7e8cecb669ddb90516dffc7df,
5022fab15fc16204d163883ca818fd6092dc919c, and
c0d998248e10e1dcf18108fdbb70f259acd452eb.
Diffstat (limited to 'rules.d')
| -rw-r--r-- | rules.d/60-persistent-storage.rules.in | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/rules.d/60-persistent-storage.rules.in b/rules.d/60-persistent-storage.rules.in index d5e0f5f705..39a6555045 100644 --- a/rules.d/60-persistent-storage.rules.in +++ b/rules.d/60-persistent-storage.rules.in @@ -161,4 +161,13 @@ ENV{ID_PART_ENTRY_SCHEME}=="gpt", ENV{ID_PART_ENTRY_NAME}=="?*", SYMLINK+="disk/ # 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" |