Add contrib/mount-ext4-ramdisk.sh

contrib/mount-ext4-ramdisk.sh

@@ -0,0 +1,16 @@
+#!/bin/bash -ex
+
+MNT=/mnt/ext4-ramdisk
+
+if mountpoint $MNT ; then
+	exit 1
+fi
+
+IMG=$(mktemp /tmp/ext4-ramdisk-XXX.img)
+
+dd if=/dev/zero of=$IMG bs=1M count=1030
+mkfs.ext4 -q $IMG
+mkdir -p $MNT
+mount $IMG $MNT
+chmod 777 $MNT
+rm $IMG # unlink the file, it will be deleted once the fs is unmounted