make MNT_ASYNC the default for mfs, allow -T for mfs

[unix-history] / usr / src / sbin / newfs / newfs.c

diff --git a/usr/src/sbin/newfs/newfs.c b/usr/src/sbin/newfs/newfs.c
index c63a66a..04cd5cc 100644 (file)
--- a/usr/src/sbin/newfs/newfs.c
+++ b/usr/src/sbin/newfs/newfs.c
@@ -1,276 +1,668 @@
+/*
+ * Copyright (c) 1983, 1989, 1993, 1994
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * %sccs.include.redist.c%
+ */
+

 #ifndef lint
 #ifndef lint

-static char sccsid[] = "@(#)newfs.c    4.1 %G%";
-#endif
+static char sccsid[] = "@(#)newfs.c    8.7 (Berkeley) %G%";
+#endif /* not lint */
+
+#ifndef lint
+static char copyright[] =
+"@(#) Copyright (c) 1983, 1989, 1993, 1994\n\
+       The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */

 
 /*
 
 /*

- * makefs: friendly front end to mkfs
+ * newfs: friendly front end to mkfs

  */
 #include <sys/param.h>
 #include <sys/stat.h>
  */
 #include <sys/param.h>
 #include <sys/stat.h>

-#include <sys/fs.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/file.h>
+#include <sys/mount.h>
+
+#include <ufs/ufs/dir.h>
+#include <ufs/ffs/fs.h>

 
 

+#include <ctype.h>
+#include <errno.h>
+#include <paths.h>

 #include <stdio.h>
 #include <stdio.h>

-#include <dir.h>
-#include <disktab.h>
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+#include <unistd.h>
+
+#if __STDC__
+#include <stdarg.h>
+#else
+#include <varargs.h>
+#endif
+
+#include "mntopts.h"
+
+struct mntopt mopts[] = {
+       MOPT_STDOPTS,
+       MOPT_ASYNC,
+       { NULL },
+};
+
+#if __STDC__
+void   fatal(const char *fmt, ...);
+#else
+void   fatal();
+#endif
+
+#define        COMPAT                  /* allow non-labeled disks */
+
+/*
+ * The following two constants set the default block and fragment sizes.
+ * Both constants must be a power of 2 and meet the following constraints:
+ *     MINBSIZE <= DESBLKSIZE <= MAXBSIZE
+ *     sectorsize <= DESFRAGSIZE <= DESBLKSIZE
+ *     DESBLKSIZE / DESFRAGSIZE <= 8
+ */
+#define        DFL_FRAGSIZE    1024
+#define        DFL_BLKSIZE     8192
+
+/*
+ * Cylinder groups may have up to many cylinders. The actual
+ * number used depends upon how much information can be stored
+ * on a single cylinder. The default is to use 16 cylinders
+ * per group.
+ */
+#define        DESCPG          16      /* desired fs_cpg */
+
+/*
+ * MINFREE gives the minimum acceptable percentage of file system
+ * blocks which may be free. If the freelist drops below this level
+ * only the superuser may continue to allocate blocks. This may
+ * be set to 0 if no reserve of free blocks is deemed necessary,
+ * however throughput drops by fifty percent if the file system
+ * is run at between 95% and 100% full; thus the default value of
+ * fs_minfree is 5%. With 5% free space, fragmentation is not a
+ * problem, so we choose to optimize for time.
+ */
+#define MINFREE                5
+#define DEFAULTOPT     FS_OPTTIME
+
+/*
+ * ROTDELAY gives the minimum number of milliseconds to initiate
+ * another disk transfer on the same cylinder. It is used in
+ * determining the rotationally optimal layout for disk blocks
+ * within a file; the default of fs_rotdelay is 4ms.
+ */
+#define ROTDELAY       4

 
 

-int    verbose;                /* show mkfs line before exec */
+/*
+ * MAXBLKPG determines the maximum number of data blocks which are
+ * placed in a single cylinder group. The default is one indirect
+ * block worth of data blocks.
+ */
+#define MAXBLKPG(bsize)        ((bsize) / sizeof(daddr_t))
+
+/*
+ * Each file system has a number of inodes statically allocated.
+ * We allocate one inode slot per NFPI fragments, expecting this
+ * to be far more than we will ever need.
+ */
+#define        NFPI            4
+
+/*
+ * For each cylinder we keep track of the availability of blocks at different
+ * rotational positions, so that we can lay out the data to be picked
+ * up with minimum rotational latency.  NRPOS is the default number of
+ * rotational positions that we distinguish.  With NRPOS of 8 the resolution
+ * of our summary information is 2ms for a typical 3600 rpm drive.
+ */
+#define        NRPOS           8       /* number distinct rotational positions */
+
+
+int    mfs;                    /* run as the memory based filesystem */
+int    Nflag;                  /* run without writing file system */
+int    Oflag;                  /* format as an 4.3BSD file system */

 int    fssize;                 /* file system size */
 int    fssize;                 /* file system size */

-int    fsize;                  /* fragment size */
-int    bsize;                  /* block size */

 int    ntracks;                /* # tracks/cylinder */
 int    nsectors;               /* # sectors/track */
 int    ntracks;                /* # tracks/cylinder */
 int    nsectors;               /* # sectors/track */

+int    nphyssectors;           /* # sectors/track including spares */
+int    secpercyl;              /* sectors per cylinder */
+int    trackspares = -1;       /* spare sectors per track */
+int    cylspares = -1;         /* spare sectors per cylinder */

 int    sectorsize;             /* bytes/sector */
 int    sectorsize;             /* bytes/sector */

-int    cpg;                    /* cylinders/cylinder group */
-
-char   *av[20];                /* argv array and buffers for exec */
-char   a2[20];
-char   a3[20];
-char   a4[20];
-char   a5[20];
-char   a6[20];
-char   a7[20];
-char   device[MAXPATHLEN];
-char   cmd[BUFSIZ];
+#ifdef tahoe
+int    realsectorsize;         /* bytes/sector in hardware */
+#endif
+int    rpm;                    /* revolutions/minute of drive */
+int    interleave;             /* hardware sector interleave */
+int    trackskew = -1;         /* sector 0 skew, per track */
+int    headswitch;             /* head switch time, usec */
+int    trackseek;              /* track-to-track seek, usec */
+int    fsize = 0;              /* fragment size */
+int    bsize = 0;              /* block size */
+int    cpg = DESCPG;           /* cylinders/cylinder group */
+int    cpgflg;                 /* cylinders/cylinder group flag was given */
+int    minfree = MINFREE;      /* free space threshold */
+int    opt = DEFAULTOPT;       /* optimization preference (space or time) */
+int    density;                /* number of bytes per inode */
+int    maxcontig = 0;          /* max contiguous blocks to allocate */
+int    rotdelay = ROTDELAY;    /* rotational delay between blocks */
+int    maxbpg;                 /* maximum blocks per file in a cyl group */
+int    nrpos = NRPOS;          /* # of distinguished rotational positions */
+int    bbsize = BBSIZE;        /* boot block size */
+int    sbsize = SBSIZE;        /* superblock size */
+int    mntflags = MNT_ASYNC;   /* flags to be passed to mount */
+u_long memleft;                /* virtual memory available */
+caddr_t        membase;                /* start address of memory based filesystem */
+#ifdef COMPAT
+char   *disktype;
+int    unlabeled;
+#endif

 
 

-char   *index();
-char   *rindex();
-char   *sprintf();
+char   device[MAXPATHLEN];
+char   *progname;

 
 

+int

 main(argc, argv)
 main(argc, argv)

+       int argc;

        char *argv[];
 {
        char *argv[];
 {

-       char *cp, *special;
-       register struct disktab *dp;
+       extern char *optarg;
+       extern int optind;
+       register int ch;

        register struct partition *pp;
        register struct partition *pp;

+       register struct disklabel *lp;
+       struct disklabel *getdisklabel();
+       struct partition oldpartition;

        struct stat st;
        struct stat st;

-       register int i;
-       int status;
-
-       argc--, argv++;
-       while (argc > 0 && argv[0][0] == '-') {
-               for (cp = &argv[0][1]; *cp; cp++)
-                       switch (*cp) {
-
-                       case 'v':
-                               verbose++;
-                               break;
-
-                       case 's':
-                               if (argc < 1)
-                                       fatal("-s: missing file system size");
-                               argc--, argv++;
-                               fssize = atoi(*argv);
-                               if (fssize < 0)
-                                       fatal("%s: bad file system size",
-                                               *argv);
-                               goto next;
-
-                       case 't':
-                               if (argc < 1)
-                                       fatal("-t: missing track total");
-                               argc--, argv++;
-                               ntracks = atoi(*argv);
-                               if (ntracks < 0)
-                                       fatal("%s: bad total tracks", *argv);
-                               goto next;
-
-                       case 'b':
-                               if (argc < 1)
-                                       fatal("-b: missing block size");
-                               argc--, argv++;
-                               bsize = atoi(*argv);
-                               if (bsize < 0 || bsize < MINBSIZE)
-                                       fatal("%s: bad block size", *argv);
-                               goto next;
-
-                       case 'f':
-                               if (argc < 1)
-                                       fatal("-f: missing frag size");
-                               argc--, argv++;
-                               fsize = atoi(*argv);
-                               if (fsize < 0)
-                                       fatal("%s: bad frag size", *argv);
-                               goto next;
-
-                       case 'S':
-                               if (argc < 1)
-                                       fatal("-S: missing sector size");
-                               argc--, argv++;
-                               sectorsize = atoi(*argv);
-                               if (sectorsize < 0)
-                                       fatal("%s: bad sector size", *argv);
-                               goto next;
-
-                       case 'c':
-                               if (argc < 1)
-                                       fatal("-c: missing cylinders/group");
-                               argc--, argv++;
-                               cpg = atoi(*argv);
-                               if (cpg < 0)
-                                       fatal("%s: bad cylinders/group", *argv);
-                               goto next;
-
-                       default:
-                               fatal("-%c: unknown flag", cp);
-                       }
-next:
-               argc--, argv++;
-       }
-       if (argc < 2) {
-               fprintf(stderr, "usage: makefs [ -v ] [ mkfs-options ] %s\n",
-                       "special-device device-type");
-               fprintf(stderr, "where mkfs-options are:\n");
-               fprintf(stderr, "-s sectors/track\n");
-               fprintf(stderr, "-b block-size\n");
-               fprintf(stderr, "-f frag-size\n");
-               fprintf(stderr, "-t tracks/cylinder\n");
-               fprintf(stderr, "-c cylinders/group\n");
-               fprintf(stderr, "-S sector-size\n");
-               exit(1);
+       struct statfs *mp;
+       int fsi, fso, len, n;
+       char *cp, *s1, *s2, *special, *opstring, buf[BUFSIZ];
+
+       if (progname = rindex(*argv, '/'))
+               ++progname;
+       else
+               progname = *argv;
+
+       if (strstr(progname, "mfs")) {
+               mfs = 1;
+               Nflag++;

        }
        }

+
+       opstring = mfs ?
+           "NT:a:b:c:d:e:f:i:m:o:s:" :
+           "NOS:T:a:b:c:d:e:f:i:k:l:m:n:o:p:r:s:t:u:x:";
+       while ((ch = getopt(argc, argv, opstring)) != EOF)
+               switch (ch) {
+               case 'N':
+                       Nflag = 1;
+                       break;
+               case 'O':
+                       Oflag = 1;
+                       break;
+               case 'S':
+                       if ((sectorsize = atoi(optarg)) <= 0)
+                               fatal("%s: bad sector size", optarg);
+                       break;
+#ifdef COMPAT
+               case 'T':
+                       disktype = optarg;
+                       break;
+#endif
+               case 'a':
+                       if ((maxcontig = atoi(optarg)) <= 0)
+                               fatal("%s: bad maximum contiguous blocks\n",
+                                   optarg);
+                       break;
+               case 'b':
+                       if ((bsize = atoi(optarg)) < MINBSIZE)
+                               fatal("%s: bad block size", optarg);
+                       break;
+               case 'c':
+                       if ((cpg = atoi(optarg)) <= 0)
+                               fatal("%s: bad cylinders/group", optarg);
+                       cpgflg++;
+                       break;
+               case 'd':
+                       if ((rotdelay = atoi(optarg)) < 0)
+                               fatal("%s: bad rotational delay\n", optarg);
+                       break;
+               case 'e':
+                       if ((maxbpg = atoi(optarg)) <= 0)
+               fatal("%s: bad blocks per file in a cylinder group\n",
+                                   optarg);
+                       break;
+               case 'f':
+                       if ((fsize = atoi(optarg)) <= 0)
+                               fatal("%s: bad fragment size", optarg);
+                       break;
+               case 'i':
+                       if ((density = atoi(optarg)) <= 0)
+                               fatal("%s: bad bytes per inode\n", optarg);
+                       break;
+               case 'k':
+                       if ((trackskew = atoi(optarg)) < 0)
+                               fatal("%s: bad track skew", optarg);
+                       break;
+               case 'l':
+                       if ((interleave = atoi(optarg)) <= 0)
+                               fatal("%s: bad interleave", optarg);
+                       break;
+               case 'm':
+                       if ((minfree = atoi(optarg)) < 0 || minfree > 99)
+                               fatal("%s: bad free space %%\n", optarg);
+                       break;
+               case 'n':
+                       if ((nrpos = atoi(optarg)) <= 0)
+                               fatal("%s: bad rotational layout count\n",
+                                   optarg);
+                       break;
+               case 'o':
+                       if (mfs)
+                               getmntopts(optarg, mopts, &mntflags);
+                       else {
+                               if (strcmp(optarg, "space") == 0)
+                                       opt = FS_OPTSPACE;
+                               else if (strcmp(optarg, "time") == 0)
+                                       opt = FS_OPTTIME;
+                               else
+       fatal("%s: unknown optimization preference: use `space' or `time'.");
+                       }
+                       break;
+               case 'p':
+                       if ((trackspares = atoi(optarg)) < 0)
+                               fatal("%s: bad spare sectors per track",
+                                   optarg);
+                       break;
+               case 'r':
+                       if ((rpm = atoi(optarg)) <= 0)
+                               fatal("%s: bad revolutions/minute\n", optarg);
+                       break;
+               case 's':
+                       if ((fssize = atoi(optarg)) <= 0)
+                               fatal("%s: bad file system size", optarg);
+                       break;
+               case 't':
+                       if ((ntracks = atoi(optarg)) <= 0)
+                               fatal("%s: bad total tracks", optarg);
+                       break;
+               case 'u':
+                       if ((nsectors = atoi(optarg)) <= 0)
+                               fatal("%s: bad sectors/track", optarg);
+                       break;
+               case 'x':
+                       if ((cylspares = atoi(optarg)) < 0)
+                               fatal("%s: bad spare sectors per cylinder",
+                                   optarg);
+                       break;
+               case '?':
+               default:
+                       usage();
+               }
+       argc -= optind;
+       argv += optind;
+
+       if (argc != 2 && (mfs || argc != 1))
+               usage();
+

        special = argv[0];
        special = argv[0];

-again:
-       if (stat(special, &st) < 0) {
-               if (*special != '/') {
-                       special = sprintf(device, "/dev/%s", argv[0]);
-                       goto again;
+       cp = rindex(special, '/');
+       if (cp == 0) {
+               /*
+                * No path prefix; try /dev/r%s then /dev/%s.
+                */
+               (void)sprintf(device, "%sr%s", _PATH_DEV, special);
+               if (stat(device, &st) == -1)
+                       (void)sprintf(device, "%s%s", _PATH_DEV, special);
+               special = device;
+       }
+       if (Nflag) {
+               fso = -1;
+       } else {
+               fso = open(special, O_WRONLY);
+               if (fso < 0)
+                       fatal("%s: %s", special, strerror(errno));
+
+               /* Bail if target special is mounted */
+               n = getmntinfo(&mp, MNT_NOWAIT);
+               if (n == 0)
+                       fatal("%s: getmntinfo: %s", special, strerror(errno));
+
+               len = sizeof(_PATH_DEV) - 1;
+               s1 = special;
+               if (strncmp(_PATH_DEV, s1, len) == 0)
+                       s1 += len;
+
+               while (--n >= 0) {
+                       s2 = mp->f_mntfromname;
+                       if (strncmp(_PATH_DEV, s2, len) == 0) {
+                               s2 += len - 1;
+                               *s2 = 'r';
+                       }
+                       if (strcmp(s1, s2) == 0 || strcmp(s1, &s2[1]) == 0)
+                               fatal("%s is mounted on %s",
+                                   special, mp->f_mntonname);
+                       ++mp;

                }
                }

-               fprintf(stderr, "makefs: "); perror(special);
-               exit(2);

        }
        }

-       if ((st.st_mode & S_IFMT) != S_IFBLK &&
-           (st.st_mode & S_IFMT) != S_IFCHR)
-               fatal("%s: not a block or character device", special);
-       dp = getdiskbyname(argv[1]);
-       if (dp == 0)
-               fatal("%s: unknown disk type", argv[1]);
-       cp = index(argv[0], '\0') - 1;
-       if (cp == 0 || *cp < 'a' || *cp > 'h')
-               fatal("%s: can't figure out file system partition", argv[0]);
-       pp = &dp->d_partitions[*cp - 'a'];
-       if (fssize == 0) {
-               fssize = pp->p_size;
-               if (fssize < 0)
-                       fatal("%s: no default size for `%c' partition",
-                               argv[1], *cp);
+       if (mfs && disktype != NULL) {
+               lp = (struct disklabel *)getdiskbyname(disktype);
+               if (lp == NULL)
+                       fatal("%s: unknown disk type", disktype);
+               pp = &lp->d_partitions[1];
+       } else {
+               fsi = open(special, O_RDONLY);
+               if (fsi < 0)
+                       fatal("%s: %s", special, strerror(errno));
+               if (fstat(fsi, &st) < 0)
+                       fatal("%s: %s", special, strerror(errno));
+               if ((st.st_mode & S_IFMT) != S_IFCHR && !mfs)
+                       printf("%s: %s: not a character-special device\n",
+                           progname, special);
+               cp = index(argv[0], '\0') - 1;
+               if (cp == 0 || (*cp < 'a' || *cp > 'h') && !isdigit(*cp))
+                       fatal("%s: can't figure out file system partition",
+                           argv[0]);
+#ifdef COMPAT
+               if (!mfs && disktype == NULL)
+                       disktype = argv[1];
+#endif
+               lp = getdisklabel(special, fsi);
+               if (isdigit(*cp))
+                       pp = &lp->d_partitions[0];
+               else
+                       pp = &lp->d_partitions[*cp - 'a'];
+               if (pp->p_size == 0)
+                       fatal("%s: `%c' partition is unavailable",
+                           argv[0], *cp);
+               if (pp->p_fstype == FS_BOOT)
+                       fatal("%s: `%c' partition overlaps boot program",
+                             argv[0], *cp);

        }
        }

-       if (nsectors == 0) {
-               nsectors = dp->d_nsectors;
-               if (nsectors < 0)
-                       fatal("%s: no default #sectors/track", argv[1]);
+       if (fssize == 0)
+               fssize = pp->p_size;
+       if (fssize > pp->p_size && !mfs)
+              fatal("%s: maximum file system size on the `%c' partition is %d",
+                       argv[0], *cp, pp->p_size);
+       if (rpm == 0) {
+               rpm = lp->d_rpm;
+               if (rpm <= 0)
+                       rpm = 3600;

        }
        if (ntracks == 0) {
        }
        if (ntracks == 0) {

-               ntracks = dp->d_ntracks;
-               if (ntracks < 0)
-                       fatal("%s: no default #tracks", argv[1]);
+               ntracks = lp->d_ntracks;
+               if (ntracks <= 0)
+                       fatal("%s: no default #tracks", argv[0]);
+       }
+       if (nsectors == 0) {
+               nsectors = lp->d_nsectors;
+               if (nsectors <= 0)
+                       fatal("%s: no default #sectors/track", argv[0]);

        }
        if (sectorsize == 0) {
        }
        if (sectorsize == 0) {

-               sectorsize = dp->d_secsize;
-               if (sectorsize < 0)
-                       fatal("%s: no default sector size", argv[1]);
+               sectorsize = lp->d_secsize;
+               if (sectorsize <= 0)
+                       fatal("%s: no default sector size", argv[0]);

        }
        }

-       if (bsize == 0) {
-               bsize = pp->p_bsize;
-               if (bsize < 0)
-                       fatal("%s: no default block size for `%c' partition",
-                               argv[1], *cp);
+       if (trackskew == -1) {
+               trackskew = lp->d_trackskew;
+               if (trackskew < 0)
+                       trackskew = 0;
+       }
+       if (interleave == 0) {
+               interleave = lp->d_interleave;
+               if (interleave <= 0)
+                       interleave = 1;

        }
        if (fsize == 0) {
                fsize = pp->p_fsize;
        }
        if (fsize == 0) {
                fsize = pp->p_fsize;

-               if (fsize < 0)
-                       fatal("%s: no default frag size for `%c' partition",
-                               argv[1], *cp);
+               if (fsize <= 0)
+                       fsize = MAX(DFL_FRAGSIZE, lp->d_secsize);
+       }
+       if (bsize == 0) {
+               bsize = pp->p_frag * pp->p_fsize;
+               if (bsize <= 0)
+                       bsize = MIN(DFL_BLKSIZE, 8 * fsize);
+       }
+       /*
+        * Maxcontig sets the default for the maximum number of blocks
+        * that may be allocated sequentially. With filesystem clustering
+        * it is possible to allocate contiguous blocks up to the maximum
+        * transfer size permitted by the controller or buffering.
+        */
+       if (maxcontig == 0)
+               maxcontig = MAX(1, MIN(MAXPHYS, MAXBSIZE) / bsize - 1);
+       if (density == 0)
+               density = NFPI * fsize;
+       if (minfree < MINFREE && opt != FS_OPTSPACE) {
+               fprintf(stderr, "Warning: changing optimization to space ");
+               fprintf(stderr, "because minfree is less than %d%%\n", MINFREE);
+               opt = FS_OPTSPACE;

        }
        }

-       i = 0;
-       av[i++] = sprintf(a2, "%d", fssize);
-       av[i++] = sprintf(a3, "%d", nsectors);
-       av[i++] = sprintf(a4, "%d", ntracks);
-       av[i++] = sprintf(a5, "%d", bsize);
-       av[i++] = sprintf(a6, "%d", fsize);
-       if (cpg != 0)
-               av[i++] = sprintf(a7, "%d", cpg);
-       av[i++] = 0;
-       sprintf(cmd, "/etc/mkfs %s", special);
-       for (i = 0; av[i] != 0; i++) {
-               strcat(cmd, " ");
-               strcat(cmd, av[i]);
+       if (trackspares == -1) {
+               trackspares = lp->d_sparespertrack;
+               if (trackspares < 0)
+                       trackspares = 0;

        }
        }

-       if (verbose)
-               printf("%s\n", cmd);
+       nphyssectors = nsectors + trackspares;
+       if (cylspares == -1) {
+               cylspares = lp->d_sparespercyl;
+               if (cylspares < 0)
+                       cylspares = 0;
+       }
+       secpercyl = nsectors * ntracks - cylspares;
+       if (secpercyl != lp->d_secpercyl)
+               fprintf(stderr, "%s (%d) %s (%lu)\n",
+                       "Warning: calculated sectors per cylinder", secpercyl,
+                       "disagrees with disk label", lp->d_secpercyl);
+       if (maxbpg == 0)
+               maxbpg = MAXBLKPG(bsize);
+       headswitch = lp->d_headswitch;
+       trackseek = lp->d_trkseek;
+       /* Reno fix: label may be 0 if faked up by kernel */

 #ifdef notdef
 #ifdef notdef

-       if (status = system(cmd))
-               exit(status);
+#ifdef notdef /* label may be 0 if faked up by kernel */
+       bbsize = lp->d_bbsize;
+       sbsize = lp->d_sbsize;
+#endif

 #endif
 #endif

-       if (*cp == 'a') {
-               char type[3];
-
-               cp = rindex(special, '/');
-               if (cp == NULL)
-                       fatal("%s: can't figure out disk type from name",
-                               special);
-               type[0] = *++cp;
-               type[1] = *++cp;
-               type[2] = '\0';
-               installboot(special, type);
+       oldpartition = *pp;
+#ifdef tahoe
+       realsectorsize = sectorsize;
+       if (sectorsize != DEV_BSIZE) {          /* XXX */
+               int secperblk = DEV_BSIZE / sectorsize;
+
+               sectorsize = DEV_BSIZE;
+               nsectors /= secperblk;
+               nphyssectors /= secperblk;
+               secpercyl /= secperblk;
+               fssize /= secperblk;
+               pp->p_size /= secperblk;

        }
        }

+#endif
+       mkfs(pp, special, fsi, fso);
+#ifdef tahoe
+       if (realsectorsize != DEV_BSIZE)
+               pp->p_size *= DEV_BSIZE / realsectorsize;
+#endif
+       if (!Nflag && bcmp(pp, &oldpartition, sizeof(oldpartition)))
+               rewritelabel(special, fso, lp);
+       if (!Nflag)
+               close(fso);
+       close(fsi);
+#ifdef MFS
+       if (mfs) {
+               struct mfs_args args;
+
+               sprintf(buf, "mfs:%d", getpid());
+               args.fspec = buf;
+               args.export.ex_root = -2;
+               if (mntflags & MNT_RDONLY)
+                       args.export.ex_flags = MNT_EXRDONLY;
+               else
+                       args.export.ex_flags = 0;
+               args.base = membase;
+               args.size = fssize * sectorsize;
+               if (mount(MOUNT_MFS, argv[1], mntflags, &args) < 0)
+                       fatal("%s: %s", argv[1], strerror(errno));
+       }
+#endif

        exit(0);
 }
 
        exit(0);
 }
 

-installboot(dev, type)
-       char *dev, *type;
-{
+#ifdef COMPAT
+char lmsg[] = "%s: can't read disk label; disk type must be specified";
+#else
+char lmsg[] = "%s: can't read disk label";
+#endif
+
+struct disklabel *
+getdisklabel(s, fd)
+       char *s;

        int fd;
        int fd;

-       char bootblock[MAXPATHLEN], standalonecode[MAXPATHLEN];
-       char bootimage[BBSIZE];
-
-       sprintf(bootblock, "/sys/mdec/%sboot", type);
-       sprintf(standalonecode, "/sys/stand/boot%s", type);
-       if (verbose) {
-               printf("installing boot code\n");
-               printf("sector 0 boot = %s\n", bootblock);
-               printf("1st level boot = %s\n", standalonecode);
-       }
-       fd = open(bootblock, 0);
-       if (fd < 0) {
-               fprintf(stderr, "makefs: "); perror(bootblock);
-               exit(1);
-       }
-       if (read(fd, bootimage, DEV_BSIZE) < 0) {
-               fprintf(stderr, "makefs: "); perror(bootblock);
-               exit(2);
-       }
-       close(fd);
-       fd = open(standalonecode, 0);
-       if (fd < 0) {
-               fprintf(stderr, "makefs: "); perror(standalonecode);
-               exit(1);
-       }
-       if (read(fd, &bootimage[DEV_BSIZE], BBSIZE - DEV_BSIZE) < 0) {
-               fprintf(stderr, "makefs: "); perror(standalonecode);
-               exit(2);
+{
+       static struct disklabel lab;
+
+       if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
+#ifdef COMPAT
+               if (disktype) {
+                       struct disklabel *lp, *getdiskbyname();
+
+                       unlabeled++;
+                       lp = getdiskbyname(disktype);
+                       if (lp == NULL)
+                               fatal("%s: unknown disk type", disktype);
+                       return (lp);
+               }
+#endif
+               warn("ioctl (GDINFO)");
+               fatal(lmsg, s);

        }
        }

-       close(fd);
-#ifdef notdef
-       fd = open(special, 1);
-       if (fd < 0) {
-               fprintf(stderr, "makefs: "); perror(special);
-               exit(1);
+       return (&lab);
+}
+
+rewritelabel(s, fd, lp)
+       char *s;
+       int fd;
+       register struct disklabel *lp;
+{
+#ifdef COMPAT
+       if (unlabeled)
+               return;
+#endif
+       lp->d_checksum = 0;
+       lp->d_checksum = dkcksum(lp);
+       if (ioctl(fd, DIOCWDINFO, (char *)lp) < 0) {
+               warn("ioctl (WDINFO)");
+               fatal("%s: can't rewrite disk label", s);

        }
        }

-       if (write(fd, bootimage, BBSIZE) != BBSIZE) {
-               fprintf(stderr, "makefs: "); perror(special);
-               exit(2);
+#if vax
+       if (lp->d_type == DTYPE_SMD && lp->d_flags & D_BADSECT) {
+               register i;
+               int cfd;
+               daddr_t alt;
+               char specname[64];
+               char blk[1024];
+               char *cp;
+
+               /*
+                * Make name for 'c' partition.
+                */
+               strcpy(specname, s);
+               cp = specname + strlen(specname) - 1;
+               if (!isdigit(*cp))
+                       *cp = 'c';
+               cfd = open(specname, O_WRONLY);
+               if (cfd < 0)
+                       fatal("%s: %s", specname, strerror(errno));
+               bzero(blk, sizeof(blk));
+               *(struct disklabel *)(blk + LABELOFFSET) = *lp;
+               alt = lp->d_ncylinders * lp->d_secpercyl - lp->d_nsectors;
+               for (i = 1; i < 11 && i < lp->d_nsectors; i += 2) {
+                       if (lseek(cfd, (off_t)(alt + i) * lp->d_secsize,
+                           L_SET) == -1)
+                               fatal("lseek to badsector area: %s",
+                                   strerror(errno));
+                       if (write(cfd, blk, lp->d_secsize) < lp->d_secsize)
+                               warn("alternate label %d write", i/2);
+               }
+               close(cfd);

        }
        }

-       close(fd);

 #endif
 }
 
 /*VARARGS*/
 #endif
 }
 
 /*VARARGS*/

-fatal(fmt, arg1, arg2)
+void
+#if __STDC__
+fatal(const char *fmt, ...)
+#else
+fatal(fmt, va_alist)

        char *fmt;
        char *fmt;

+       va_dcl
+#endif

 {
 {

+       va_list ap;
+
+#if __STDC__
+       va_start(ap, fmt);
+#else
+       va_start(ap);
+#endif
+       if (fcntl(STDERR_FILENO, F_GETFL) < 0) {
+               openlog(progname, LOG_CONS, LOG_DAEMON);
+               vsyslog(LOG_ERR, fmt, ap);
+               closelog();
+       } else {
+               vwarnx(fmt, ap);
+       }
+       va_end(ap);
+       exit(1);
+       /*NOTREACHED*/
+}

 
 

-       fprintf(stderr, "makefs: ");
-       fprintf(stderr, fmt, arg1, arg2);
-       putc('\n', stderr);
-       exit(10);
+usage()
+{
+       if (mfs) {
+               fprintf(stderr,
+                   "usage: %s [ -fsoptions ] special-device mount-point\n",
+                       progname);
+       } else
+               fprintf(stderr,
+                   "usage: %s [ -fsoptions ] special-device%s\n",
+                   progname,
+#ifdef COMPAT
+                   " [device-type]");
+#else
+                   "");
+#endif
+       fprintf(stderr, "where fsoptions are:\n");
+       fprintf(stderr,
+           "\t-N do not create file system, just print out parameters\n");
+       fprintf(stderr, "\t-O create a 4.3BSD format filesystem\n");
+       fprintf(stderr, "\t-S sector size\n");
+#ifdef COMPAT
+       fprintf(stderr, "\t-T disktype\n");
+#endif
+       fprintf(stderr, "\t-a maximum contiguous blocks\n");
+       fprintf(stderr, "\t-b block size\n");
+       fprintf(stderr, "\t-c cylinders/group\n");
+       fprintf(stderr, "\t-d rotational delay between contiguous blocks\n");
+       fprintf(stderr, "\t-e maximum blocks per file in a cylinder group\n");
+       fprintf(stderr, "\t-f frag size\n");
+       fprintf(stderr, "\t-i number of bytes per inode\n");
+       fprintf(stderr, "\t-k sector 0 skew, per track\n");
+       fprintf(stderr, "\t-l hardware sector interleave\n");
+       fprintf(stderr, "\t-m minimum free space %%\n");
+       fprintf(stderr, "\t-n number of distinguished rotational positions\n");
+       fprintf(stderr, "\t-o optimization preference (`space' or `time')\n");
+       fprintf(stderr, "\t-p spare sectors per track\n");
+       fprintf(stderr, "\t-s file system size (sectors)\n");
+       fprintf(stderr, "\t-r revolutions/minute\n");
+       fprintf(stderr, "\t-t tracks/cylinder\n");
+       fprintf(stderr, "\t-u sectors/track\n");
+       fprintf(stderr, "\t-x spare sectors per cylinder\n");
+       exit(1);

 }
 }