etc/rc.d/zvol

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: zvol
   7 # REQUIRE: hostid
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11
  12 name="zvol"
  13 rcvar="zfs_enable"
  14 start_cmd="zvol_start"
  15 stop_cmd="zvol_stop"
  16 required_modules="zfs"
  17
  18 zvol_start()
  19 {
  20         # Enable swap on ZVOLs with property org.freebsd:swap=on.
  21         zfs list -H -o org.freebsd:swap,name -t volume | \
  22         while read state name; do
  23                 case "${state}" in
  24                 [oO][nN])
  25                         swapon /dev/zvol/${name}
  26                         ;;
  27                 esac
  28         done
  29 }
  30
  31 zvol_stop()
  32 {
  33         # Disable swap on ZVOLs with property org.freebsd:swap=on.
  34         zfs list -H -o org.freebsd:swap,name -t volume | \
  35         while read state name; do
  36                 case "${state}" in
  37                 [oO][nN])
  38                         swapoff /dev/zvol/${name}
  39                         ;;
  40                 esac
  41         done
  42 }
  43
  44 load_rc_config $name
  45 run_rc_command "$1"