64-btrfs-dm.rules

   1 SUBSYSTEM!="block", GOTO="btrfs_end"
   2 KERNEL!="dm-[0-9]*", GOTO="btrfs_end"
   3 ACTION!="add|change", GOTO="btrfs_end"
   4 ENV{ID_FS_TYPE}!="btrfs", GOTO="btrfs_end"
   5
   6 # Once the device mapper symlink is created, tell btrfs about it
   7 # so we get the friendly name in /proc/mounts (and tools that read it)
   8 ENV{DM_NAME}=="?*", RUN{builtin}+="btrfs ready /dev/mapper/$env{DM_NAME}"
   9
  10 LABEL="btrfs_end"