2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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
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.
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
35 #include <sys/types.h>
36 #include <sys/diskslice.h>
37 #include <sys/diskmbr.h>
40 #include <sys/syslimits.h>
41 #include <vfs/hammer/hammer_mount.h>
42 #include <vfs/hammer/hammer_disk.h>
58 typedef const char **ary_ptr_t;
60 static void extract_volumes(ary_ptr_t *aryp, int *countp, char **av, int ac);
62 #define MOPT_UPDATE { "update", 0, MNT_UPDATE, 0 }
64 #define MOPT_HAMMEROPTS \
65 { "history", 1, HMNT_NOHISTORY, 1 }, \
66 { "master=", 0, HMNT_MASTERID, 1 }, \
67 { "mirror", 1, HMNT_MASTERID, 1 }
69 static struct mntopt mopts[] = { MOPT_STDOPTS, MOPT_HAMMEROPTS,
70 MOPT_UPDATE, MOPT_NULL };
72 static void usage(void);
75 main(int ac, char **av)
77 struct hammer_mount_info info;
79 struct hammer_volume_ondisk *od;
93 bzero(&info, sizeof(info));
98 while ((ch = getopt(ac, av, "o:T:u")) != -1) {
101 info.asof = strtoull(optarg, NULL, 0);
104 getmntopts(optarg, mopts, &mount_flags, &info.hflags);
108 * Handle extended flags with parameters.
110 if (info.hflags & HMNT_MASTERID) {
111 ptr = strstr(optarg, "master=");
113 info.master_id = strtol(ptr + 7, NULL, 0);
114 if (info.master_id == 0) {
116 "hammer_mount: Warning: a master id of 0 is the default, explicit\n"
117 "settings should probably use 1-15\n");
120 ptr = strstr(optarg, "nomirror");
126 init_flags |= MNT_UPDATE;
135 mount_flags |= init_flags;
138 * Only the mount point need be specified in update mode.
140 if (init_flags & MNT_UPDATE) {
146 if (mount(vfc.vfc_name, mountpt, mount_flags, &info))
147 err(1, "mountpoint %s", mountpt);
157 * Mount arguments: vol [vol...] mountpt
159 extract_volumes(&info.volumes, &info.nvolumes, av, ac - 1);
160 mountpt = av[ac - 1];
163 * Load the hammer module if necessary (this bit stolen from
166 error = getvfsbyname("hammer", &vfc);
167 if (error && vfsisloadable("hammer")) {
168 if (vfsload("hammer") != 0)
169 err(1, "vfsload(hammer)");
171 error = getvfsbyname("hammer", &vfc);
174 errx(1, "hammer filesystem is not available");
176 if (mount(vfc.vfc_name, mountpt, mount_flags, &info)) {
177 /* Build fdevs in case of error to report failed devices */
178 fdevs_size = ac * PATH_MAX;
179 fdevs = malloc(fdevs_size);
180 for (ax = 0; ax < ac - 1; ax++) {
181 fd = open(info.volumes[ax], O_RDONLY);
183 printf ("%s: open failed\n", info.volumes[ax]);
184 strlcat(fdevs, info.volumes[ax], fdevs_size);
186 strlcat(fdevs, " ", fdevs_size);
190 od = malloc(HAMMER_BUFSIZE);
197 bzero(od, HAMMER_BUFSIZE);
198 pr = pread(fd, od, HAMMER_BUFSIZE, 0);
199 if (pr != HAMMER_BUFSIZE ||
200 od->vol_signature != HAMMER_FSBUF_VOLUME) {
201 printf("%s: Not a valid HAMMER filesystem\n", info.volumes[ax]);
202 strlcat(fdevs, info.volumes[ax], fdevs_size);
204 strlcat(fdevs, " ", fdevs_size);
208 err(1,"mount %s on %s", fdevs, mountpt);
214 * Extract a volume list
217 extract_volumes(ary_ptr_t *aryp, int *countp, char **av, int ac)
221 const char **ary = malloc(sizeof(char *) * 32);
228 ary = realloc(ary, sizeof(char *) * arymax);
230 if (strchr(*av, ':') == NULL) {
234 while ((ptr = next) != NULL) {
237 ary = realloc(ary, sizeof(char *) *
240 if ((next = strchr(ptr, ':')) != NULL)
257 fprintf(stderr, "usage: mount_hammer [-o options] [-T transaction-id] "
258 "special ... node\n");
259 fprintf(stderr, " mount_hammer [-o options] [-T transaction-id] "
260 "special[:special]* node\n");
261 fprintf(stderr, " mount_hammer -u [-o options] node\n");