LXR toybox/toys/other/fsfreeze.c

   1/* fsfreeze.c - freeze or thaw filesystem
   2 *
   3 * No standard.
   4
   5USE_FSFREEZE(NEWTOY(fsfreeze, "<1>1f|u|[!fu]", TOYFLAG_USR|TOYFLAG_SBIN))
   6
   7config FSFREEZE
   8  bool "fsfreeze"
   9  default y
  10  help
  11    usage: fsfreeze {-f | -u} MOUNTPOINT
  12
  13    Freeze or unfreeze a filesystem.
  14
  15    -f  Freeze
  16    -u  Unfreeze
  17*/
  18
  19#define FOR_fsfreeze
  20#include "toys.h"
  21#include <linux/fs.h>
  22
  23void fsfreeze_main(void)
  24{
  25  int fd = xopenro(*toys.optargs); 
  26  long p = 1;
  27
  28  xioctl(fd, FLAG(f) ? FIFREEZE : FITHAW, &p);
  29  xclose(fd);
  30}
  31