| /* 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 y |
| 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]); |
| if (CFG_TOYBOX_FREE) xclose(fd); |
| } |
