source: MondoRescue/branches/3.3/mindi-busybox/examples/mdev.conf.change_blockdev.sh@ 3901

#!/bin/sh

# Seconds to try to reread partition table
cnt=60

exec </dev/null
exec >"/tmp/${0##*/}.$$.out"
exec 2>&1

(
echo "Running: $0"
echo "Env:"
env | sort

while sleep 1; test $cnt != 0; do
    echo "Trying to reread partition table on $DEVNAME ($cnt)"
    : $((cnt--))
    # If device node doesn't exist, it means the device was removed.
    # Stop trying.
    test -e "$DEVNAME" || { echo "$DEVNAME doesn't exist, aborting"; exit 1; }
    #echo "$DEVNAME exists"
    if blockdev --rereadpt "$DEVNAME"; then
        echo "blockdev --rereadpt succeeded"
        exit 0
    fi
    echo "blockdev --rereadpt failed, exit code: $?"
done
echo "Timed out"
) &