# register bcache devices as they come up # man 7 udev for syntax SUBSYSTEM=="block", IMPORT{program}="/sbin/probe-bcache -o udev $tempnode" ENV{ID_FS_UUID_ENC}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID_ENC}" SUBSYSTEM=="block", ACTION=="add|change", ENV{ID_FS_TYPE}=="bcache", \ RUN+="bcache-register $tempnode"