1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * Copyright (C) 2010 Hajime Taira <htaira@redhat.com> 4 * Masatake Yamato <yamato@redhat.com> 5 * Copyright (c) 2023 Petr Vorel <pvorel@suse.cz> 6 * 7 * Based on fsfreeze from util-linux. 8 */ 9 10 #include <linux/fs.h> 11 #include <stdio.h> 12 13 #define TST_NO_DEFAULT_MAIN 14 #include "tst_test.h" 15 #include "tst_safe_macros.h" 16 help(void)17static void help(void) 18 { 19 printf("Freeze and unfreeze the device.\n"); 20 printf("Usage: tst_fsfreeze device\n"); 21 } 22 main(int argc,char * argv[])23int main(int argc, char *argv[]) 24 { 25 int fd; 26 27 if (argc < 2) { 28 help(); 29 return 1; 30 } 31 32 fd = SAFE_OPEN(argv[1], O_RDONLY); 33 SAFE_IOCTL(fd, FIFREEZE, 0); 34 SAFE_IOCTL(fd, FITHAW, 0); 35 SAFE_CLOSE(fd); 36 37 return 0; 38 } 39