1 /*
2 * Copyright (c) 2020 The DragonFly Project. All rights reserved.
3 *
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@dragonflybsd.org>
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "hammer2.h"
36
37 int
cmd_growfs(const char * sel_path,int ac,const char ** av)38 cmd_growfs(const char *sel_path, int ac, const char **av)
39 {
40 int fd;
41 int i;
42 int ecode = 0;
43
44 /*
45 * Use sel_path if no arguments, else used passed arguments
46 */
47 for (i = 0; i <= ac; ++i) {
48 struct hammer2_ioc_growfs growfs;
49
50 if (i < ac)
51 sel_path = av[i];
52 else if (i == ac && ac != 0)
53 continue;
54
55 fd = hammer2_ioctl_handle(sel_path);
56 if (fd < 0) {
57 ecode = 1;
58 continue;
59 }
60 bzero(&growfs, sizeof(growfs));
61 if (ioctl(fd, HAMMER2IOC_GROWFS, &growfs) < 0) {
62 fprintf(stderr, "grow %s failed: %s\n",
63 sel_path, strerror(errno));
64 ecode = 1;
65 } else if (growfs.modified) {
66 printf("%s grown to %016jx\n",
67 sel_path, (intmax_t)growfs.size);
68 } else {
69 printf("%s no size change - %016jx\n",
70 sel_path, (intmax_t)growfs.size);
71 }
72 close(fd);
73 }
74 return ecode;
75 }
76