udev: decrease devlink priority for encrypted partitions

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.

(cherry picked from commit c4521fc)

Author: yuwata

rules.d/60-persistent-storage.rules.in

@@ -140,6 +140,11 @@ LABEL="persistent_storage_blkid_probe_end"
 # 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}"