/* freeramdisk.c - Free all memory allocated to ramdisk * * Copyright 2014 Vivek Kumar Bhagat * * No Standard USE_FREERAMDISK(NEWTOY(freeramdisk, "<1>1", TOYFLAG_SBIN|TOYFLAG_NEEDROOT)) config FREERAMDISK bool "freeramdisk" default y help usage: freeramdisk [RAM device] Free all memory allocated to specified ramdisk */ #include "toys.h" void freeramdisk_main(void) { xioctl(xopen(*toys.optargs, O_RDWR), BLKFLSBUF, 0); }