Current File : //proc/thread-self/root/usr/local/jetapps/usr/share/rear/skel/default/etc/scripts/ramdisk-rootfs |
#!/bin/bash
echo "Switching Root FS to ramdisk"
mkdir /ramdisk
mount_opts=""
if test -s /etc/ramdisk-free-space; then
read target_free junk </etc/ramdisk-free-space
read data_size junk <<<$(du -xsm /) # don't use <() because /proc is not mounted!
((total_size = data_size + target_free))
mount_opts="-o size=${total_size}m"
echo "Creating ramdisk of $total_size MB to provide $target_free MB free disk space."
fi
mount -t tmpfs $mount_opts none /ramdisk
cp -ax / /ramdisk/
cd /ramdisk
exec switch_root /ramdisk init <dev/console &>dev/console