78 #define	POWEROF2(num)	(((num) & ((num) - 1)) == 0)  argument
122 static int	minfree = -1;	/* free space threshold */
131 static int	rot = -1;	/* rotational delay (msecs) */
133 static int	maxcontig = -1;	/* maximum number of contig blocks */
141  * based on the size/type of the disk and is used only for non-EFI labeled
214 			maxcontig = number("maxcontig", optarg, NR_NONE, -1);  in main()
313 			fatal(gettext("-%c: unknown flag"), optopt);  in main()
318 	/* The raw-special-device itself. If not, print usage message.	*/  in main()
319 	if ((argc - optind) != 1) {  in main()
366 	 * of devices with SMI labels (that is, non-EFI labels), the  in main()
371 	 *	nsectors - sectors per track  in main()
372 	 *	ntracks - tracks per cylinder  in main()
373 	 *	rpm - disk revolutions per minute  in main()
380 	 *	bsize - file system block size  in main()
465 		rot = -1;  in main()
470 		 * non-EFI labels, most geometries result in cylinder  in main()
471 		 * groups of around 40 - 50 MB, so we arbitrarily choose  in main()
503 	 * equal to the block size, and set the cylinders-per-group value  in main()
504 	 * passed to mkfs to -1, which tells mkfs to make cylinder groups  in main()
511 		cpg = -1;	/* says make cyl groups as big as possible */  in main()
528 	 * a signed 32-bit quantity, so the number of sectors in the  in main()
553 	/* XXX - following defaults are both here and in mkfs */  in main()
558 			density = (int)((((longlong_t)fssize + (GBSEC - 1)) /  in main()
575 		maxcpg = (bsize - sizeof (struct cg) - howmany(maxipg, NBBY)) /  in main()
593 		ntracks -= (ntracks % 16);  in main()
605 		    (*sbp->fs_fsmnt != '\0')) {  in main()
608 			    special, sbp->fs_fsmnt);  in main()
621 	 * If alternates-per-cylinder is ever implemented:  in main()
622 	 * need to get apc from dp->d_apc if no -a switch???  in main()
624 	(void) snprintf(cmd, sizeof (cmd), "mkfs -F ufs "  in main()
626 	    Nflag ? "-o N " : "", binary_sb ? "-o calcbinsb " : "",  in main()
627 	    text_sb ? "-o calcsb " : "", special,  in main()
782 		 * If ntracks of -1 is passed to mkfs, mkfs uses DEF_TRACKS_EFI  in getdiskbydev()
788 			ntracks = use_efi_dflts ? -1 : g.dkg_nhead;  in getdiskbydev()
800 	if (maxcontig == -1 && ioctl(fd, DKIOCINFO, &ci) == 0) {  in getdiskbydev()
884 		slicesize = efi_vtoc->efi_parts[index].p_size;  in get_device_size()
898  * in most cases, but we've seen at least one third-party driver
917 	if (((llseek(fd, (offset_t)0, SEEK_SET)) == -1) ||  in brute_force_get_device_size()
918 	    ((read(fd, buf, DEV_BSIZE)) == -1))  in brute_force_get_device_size()
936 		    SEEK_SET)) == -1) ||  in brute_force_get_device_size()
956 	while (min_fail - max_succeed > 1) {  in brute_force_get_device_size()
957 		cur_db_off = max_succeed + (min_fail - max_succeed)/2;  in brute_force_get_device_size()
959 		    SEEK_SET)) == -1) ||  in brute_force_get_device_size()
988 	if ((llseek(fd, (offset_t)((size - 1) * DEV_BSIZE), SEEK_SET) == -1) ||  in validate_size()
998  * read_sb(char * rawdev) - Attempt to read the superblock from a raw device
1055 	    (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl)  in read_sb()
1066  * appear to be a UFS file system, return non-zero, indicating that
1069  * cylinder group.  If they appear to be randomized (non-zero), return
1071  * counts are all zero, then we must call fsirand, so return non-zero.
1089 	if ((fd = open64(special, 0)) == -1)  in notrand()
1091 	if (llseek(fd, (offset_t)SBLOCK * DEV_BSIZE, 0) == -1 ||  in notrand()
1093 	    ((fs->fs_magic != FS_MAGIC) && (fs->fs_magic != MTB_UFS_MAGIC))) {  in notrand()
1101 	while (inum < fs->fs_ipg) {  in notrand()
1104 		if (llseek(fd, seekaddr, 0) == -1 ||  in notrand()
1110 			if (dip->di_gen != 0) {  in notrand()
1125 	    "usage: newfs [ -v ] [ mkfs-options ] raw-special-device\n"));  in usage()
1126 	(void) fprintf(stderr, gettext("where mkfs-options are:\n"));  in usage()
1128 	    "\t-N do not create file system, just print out parameters\n"));  in usage()
1130 "\t-T configure file system for eventual growth to over a terabyte\n"));  in usage()
1131 	(void) fprintf(stderr, gettext("\t-s file system size (sectors)\n"));  in usage()
1132 	(void) fprintf(stderr, gettext("\t-b block size\n"));  in usage()
1133 	(void) fprintf(stderr, gettext("\t-f frag size\n"));  in usage()
1134 	(void) fprintf(stderr, gettext("\t-t tracks/cylinder\n"));  in usage()
1135 	(void) fprintf(stderr, gettext("\t-c cylinders/group\n"));  in usage()
1136 	(void) fprintf(stderr, gettext("\t-m minimum free space %%\n"));  in usage()
1138 	    "\t-o optimization preference (`space' or `time')\n"));  in usage()
1139 	(void) fprintf(stderr, gettext("\t-r revolutions/minute\n"));  in usage()
1140 	(void) fprintf(stderr, gettext("\t-i number of bytes per inode\n"));  in usage()
1142 	    "\t-a number of alternates per cylinder\n"));  in usage()
1143 	(void) fprintf(stderr, gettext("\t-C maxcontig\n"));  in usage()
1144 	(void) fprintf(stderr, gettext("\t-d rotational delay\n"));  in usage()
1146 	    "\t-n number of rotational positions\n"));  in usage()
1148 "\t-S print a textual version of the calculated superblock to stdout\n"));  in usage()
1150 "\t-B dump a binary version of the calculated superblock to stdout\n"));  in usage()
1154  * Error-detecting version of atoi(3).  Adapted from mkfs' number().
1159 	char *cs;  in number()  local
1164 	cs = value;  in number()
1165 	if (*cs == '-') {  in number()
1167 		cs += 1;  in number()
1169 	if ((*cs < '0') || (*cs > '9')) {  in number()
1173 	while ((*cs >= '0') && (*cs <= '9') && (n <= cut)) {  in number()
1174 		n = n*10 + *cs++ - '0';  in number()
1177 		n = -n;  in number()
1179 		switch (*cs++) {  in number()
1206  * Error-detecting version of atoi(3).  Adapted from mkfs' number().
1211 	char *cs;  in number64()  local
1216 	cs = value;  in number64()
1217 	if (*cs == '-') {  in number64()
1219 		cs += 1;  in number64()
1221 	if ((*cs < '0') || (*cs > '9')) {  in number64()
1225 	while ((*cs >= '0') && (*cs <= '9') && (n <= cut)) {  in number64()
1226 		n = n*10 + *cs++ - '0';  in number64()
1229 		n = -n;  in number64()
1231 		switch (*cs++) {  in number64()