examples/mdev.conf.change_blockdev.sh

   1 #!/bin/sh
   2
   3 # Seconds to try to reread partition table
   4 cnt=60
   5
   6 exec </dev/null
   7 exec >"/tmp/${0##*/}.$$.out"
   8 exec 2>&1
   9
  10 (
  11 echo "Running: $0"
  12 echo "Env:"
  13 env | sort
  14
  15 while sleep 1; test $cnt != 0; do
  16         echo "Trying to reread partition table on $DEVNAME ($cnt)"
  17         cnt=$((cnt-1))
  18         # If device node doesn't exist, it means the device was removed.
  19         # Stop trying.
  20         test -e "$DEVNAME" || { echo "$DEVNAME doesn't exist, aborting"; exit 1; }
  21         #echo "$DEVNAME exists"
  22         if blockdev --rereadpt "$DEVNAME"; then
  23                 echo "blockdev --rereadpt succeeded"
  24                 exit 0
  25         fi
  26         echo "blockdev --rereadpt failed, exit code: $?"
  27 done
  28 echo "Timed out"
  29 ) &