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;
170 				mdio.md_options |= MD_ASYNC;
172 				mdio.md_options &= ~MD_ASYNC;
174 				mdio.md_options |= MD_CLUSTER;
176 				mdio.md_options &= ~MD_CLUSTER;
178 				mdio.md_options |= MD_COMPRESS;
180 				mdio.md_options &= ~MD_COMPRESS;
182 				mdio.md_options |= MD_FORCE;
184 				mdio.md_options &= ~MD_FORCE;
186 				mdio.md_options |= MD_READONLY;
188 				mdio.md_options &= ~MD_READONLY;
190 				mdio.md_options |= MD_RESERVE;
192 				mdio.md_options &= ~MD_RESERVE;
197 			mdio.md_sectorsize = strtoul(optarg, &p, 0);
203 			mdio.md_mediasize = (off_t)strtoumax(optarg, &p, 0);
205 				mdio.md_mediasize *= DEV_BSIZE;
209 				mdio.md_mediasize <<= 10;
211 				mdio.md_mediasize <<= 20;
213 				mdio.md_mediasize <<= 30;
215 				mdio.md_mediasize <<= 30;
216 				mdio.md_mediasize <<= 10;
231 			mdio.md_fwsectors = strtoul(optarg, &p, 0);
234 			mdio.md_fwheads = strtoul(optarg, &p, 0);
254 				mdio.md_type = MD_VNODE;
255 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT |
259 				mdio.md_type = MD_SWAP;
260 				mdio.md_options |= MD_CLUSTER | MD_AUTOUNIT |
266 		if ((fflag != NULL || argc > 0) && mdio.md_type != MD_VNODE)
269 		if (mdio.md_type == MD_VNODE) {
280 			if ((mdio.md_options & MD_READONLY) == 0 &&
281 			    access(mdio.md_file, W_OK) < 0 &&
285 				    "readonly", mdio.md_file);
286 				mdio.md_options |= MD_READONLY;
290 		if ((mdio.md_type == MD_MALLOC || mdio.md_type == MD_SWAP) &&
293 		if (mdio.md_type == MD_VNODE && mdio.md_file[0] == '\0')
296 		if (mdio.md_sectorsize != 0)
300 		if (mdio.md_fwsectors != 0)
302 		if (mdio.md_fwheads != 0)
311 		    (mdio.md_options & ~MD_AUTOUNIT) != 0)
314 		    (mdio.md_options & ~(MD_FORCE | MD_AUTOUNIT)) != 0)
317 		    (mdio.md_options & ~(MD_FORCE | MD_RESERVE | MD_AUTOUNIT)) != 0)
328 		mdio.md_unit = strtoul(uflag, &p, 0);
329 		if (mdio.md_unit == (unsigned)ULONG_MAX || *p != '\0')
331 		mdio.md_options &= ~MD_AUTOUNIT;
334 	mdio.md_version = MDIOVERSION;
344 		i = ioctl(fd, MDIOCATTACH, &mdio);
347 		if (mdio.md_options & MD_AUTOUNIT)
348 			printf("%s%d\n", nflag ? "" : MD_NAME, mdio.md_unit);
350 		if (mdio.md_options & MD_AUTOUNIT)
352 		i = ioctl(fd, MDIOCDETACH, &mdio);
356 		if (mdio.md_options & MD_AUTOUNIT)
358 		i = ioctl(fd, MDIOCRESIZE, &mdio);
362 		if (mdio.md_options & MD_AUTOUNIT) {
382 	if (realpath(fn, mdio.md_file) == NULL)
384 	fd = open(mdio.md_file, O_RDONLY);
391 	if (mdio.md_mediasize == 0)
392 		mdio.md_mediasize = sb.st_size;