util-linux-blockdev.init

   1 #!/bin/sh
   2 #
   3 # blockdev              This shell script takes care of starting and stopping blockdev.
   4 #
   5 # chkconfig:    2345 01 99
   6 # description:  blockdev
   7 #
   8 # processname:  blockdev
   9 # config:
  10 # pidfile:
  11
  12 # Source function library.
  13 . /etc/rc.d/init.d/functions
  14
  15 # Source blockdev configureation.
  16 [ -f /etc/sysconfig/blockdev ] && . /etc/sysconfig/blockdev
  17
  18 start() {
  19         if [ ! -f /var/lock/subsys/blockdev ]; then
  20                 for var in $(awk -F= '!/^#/ && !/^$/ {if ($2) print $1}' /etc/sysconfig/blockdev); do
  21                         realdrive=
  22                         drive=${var#BLOCKDEV_}
  23                         if [ -d "/sys/block/${drive}" -a -e "/dev/${drive}" ]; then
  24                                 realdrive="/dev/${drive}"
  25                         elif [ -e "/dev/mapper/${drive}" ]; then
  26                                 realdrive="/dev/mapper/${drive}"
  27                         elif drive=$(echo $drive | tr _ -) && [ -d "/sys/block/${drive}" -a -e "/dev/${drive}" ]; then
  28                                 realdrive="/dev/${drive}"
  29                         elif [ -e "/dev/mapper/${drive}" ]; then
  30                                 realdrive="/dev/mapper/${drive}"
  31                         fi
  32
  33                         if [ -n "$realdrive" ]; then
  34                                 eval PARAMS=\$$var
  35                                 if [ -n "${PARAMS}" ]; then
  36                                         show "Setting parameters for block drive %s (%s)" "$drive" "$PARAMS"
  37                                         busy
  38                                         /sbin/blockdev ${PARAMS} $realdrive
  39                                         ok
  40                                 fi
  41                         fi
  42                 done
  43                 RETVAL=$?
  44                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/blockdev
  45         else
  46                 msg_already_running blockdev
  47         fi
  48 }
  49
  50 stop() {
  51         # Stop daemons.
  52         if [ ! -f /var/lock/subsys/blockdev ]; then
  53                 msg_not_running blockdev
  54         fi
  55         rm -f /var/lock/subsys/blockdev
  56 }
  57
  58 RETVAL=0
  59 # See how we were called.
  60 case "$1" in
  61   start)
  62         start
  63         ;;
  64   stop)
  65         stop
  66         ;;
  67   restart|force-reload)
  68         stop
  69         start
  70         ;;
  71   status)
  72         status blockdev
  73         exit $?
  74         ;;
  75   *)
  76         msg_usage "$0 {start|stop|restart|force-reload|status}"
  77         exit 3
  78 esac
  79
  80 exit $RETVAL