/* freeramdisk.c - Free all memory allocated to ramdisk
 *
 * Copyright 2014 Vivek Kumar Bhagat <vivek.bhagat89@gmail.com>
 *
 * No Standard

USE_FREERAMDISK(NEWTOY(freeramdisk, "<1>1", TOYFLAG_SBIN|TOYFLAG_NEEDROOT))

config FREERAMDISK
  bool "freeramdisk"
  default n
  help
    usage: freeramdisk <RAM device>

    Free all memory allocated to specified ramdisk
*/

#include "toys.h"

void freeramdisk_main(void)
{
	int fd;

	fd = xopen(toys.optargs[0], O_RDWR);
	xioctl(fd, BLKFLSBUF, toys.optargs[0]);
	xclose(fd);
}