sbin/mdconfig/mdconfig.c

57 static struct md_ioctl mdio;
103 	bzero(&mdio, sizeof(mdio));
104 	mdio.md_file = malloc(PATH_MAX);
105 	if (mdio.md_file == NULL)
108 	bzero(mdio.md_file, PATH_MAX);
126 			mdio.md_options |= MD_AUTOUNIT;
133 			mdio.md_options |= MD_AUTOUNIT;
140 			mdio.md_options |= MD_AUTOUNIT;
150 				mdio.md_type = MD_MALLOC;
151 				mdio.md_options |= MD_AUTOUNIT | MD_COMPRESS;
153 				mdio.md_type = MD_VNODE;
154 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS;
156 				mdio.md_type = MD_SWAP;
157 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS;
159 				mdio.md_type = MD_NULL;
160 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT | MD_COMPRESS;
173 				mdio.md_options |= MD_ASYNC;
175 				mdio.md_options &= ~MD_ASYNC;
177 				mdio.md_options |= MD_CLUSTER;
179 				mdio.md_options &= ~MD_CLUSTER;
181 				mdio.md_options |= MD_COMPRESS;
183 				mdio.md_options &= ~MD_COMPRESS;
185 				mdio.md_options |= MD_FORCE;
187 				mdio.md_options &= ~MD_FORCE;
189 				mdio.md_options |= MD_READONLY;
191 				mdio.md_options &= ~MD_READONLY;
193 				mdio.md_options |= MD_RESERVE;
195 				mdio.md_options &= ~MD_RESERVE;
200 			mdio.md_sectorsize = strtoul(optarg, &p, 0);
206 			mdio.md_mediasize = (off_t)strtoumax(optarg, &p, 0);
208 				mdio.md_mediasize *= DEV_BSIZE;
212 				mdio.md_mediasize <<= 10;
214 				mdio.md_mediasize <<= 20;
216 				mdio.md_mediasize <<= 30;
218 				mdio.md_mediasize <<= 30;
219 				mdio.md_mediasize <<= 10;
221 				mdio.md_mediasize <<= 30;
222 				mdio.md_mediasize <<= 20;
237 			mdio.md_fwsectors = strtoul(optarg, &p, 0);
240 			mdio.md_fwheads = strtoul(optarg, &p, 0);
260 				mdio.md_type = MD_VNODE;
261 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT |
265 				mdio.md_type = MD_SWAP;
266 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT |
272 		if ((fflag != NULL || argc > 0) && mdio.md_type != MD_VNODE)
275 		if (mdio.md_type == MD_VNODE) {
286 			if ((mdio.md_options & MD_READONLY) == 0 &&
287 			    access(mdio.md_file, W_OK) < 0 &&
291 				    "readonly", mdio.md_file);
292 				mdio.md_options |= MD_READONLY;
296 		if ((mdio.md_type == MD_MALLOC || mdio.md_type == MD_SWAP ||
297 		    mdio.md_type == MD_NULL) && sflag == NULL)
300 		if (mdio.md_type == MD_VNODE && mdio.md_file[0] == '\0')
303 		if (mdio.md_sectorsize != 0)
307 		if (mdio.md_fwsectors != 0)
309 		if (mdio.md_fwheads != 0)
318 		    (mdio.md_options & ~MD_AUTOUNIT) != 0)
321 		    (mdio.md_options & ~(MD_FORCE | MD_AUTOUNIT)) != 0)
324 		    (mdio.md_options & ~(MD_FORCE | MD_RESERVE | MD_AUTOUNIT)) != 0)
335 		mdio.md_unit = strtoul(uflag, &p, 0);
336 		if (mdio.md_unit == (unsigned)ULONG_MAX || *p != '\0')
338 		mdio.md_options &= ~MD_AUTOUNIT;
341 	mdio.md_version = MDIOVERSION;
351 		i = ioctl(fd, MDIOCATTACH, &mdio);
354 		if (mdio.md_options & MD_AUTOUNIT)
355 			printf("%s%d\n", nflag ? "" : MD_NAME, mdio.md_unit);
357 		if (mdio.md_options & MD_AUTOUNIT)
359 		i = ioctl(fd, MDIOCDETACH, &mdio);
363 		if (mdio.md_options & MD_AUTOUNIT)
365 		i = ioctl(fd, MDIOCRESIZE, &mdio);
369 		if (mdio.md_options & MD_AUTOUNIT) {
389 	if (realpath(fn, mdio.md_file) == NULL)
391 	fd = open(mdio.md_file, O_RDONLY);
398 	if (mdio.md_mediasize == 0)
399 		mdio.md_mediasize = sb.st_size;