Remove IFS from 5.0-CURRENT. This facilitates introducing UFS2 as

IFS had its fingers deep in the belly of the UFS/FFS split.  IFS
will be reimplemented by the maintainer at a later date once the UFS
implementation is in place.

Requested by:	adrian (maintainer)

1 files changed, 0 insertions, 511 deletions

diff --git a/sbin/fsck_ifs/setup.c b/sbin/fsck_ifs/setup.c
deleted file mode 100644
index f60f9ce11c71..000000000000
--- a/sbin/fsck_ifs/setup.c
+++ /dev/null
@@ -1,511 +0,0 @@
-/*
- * Copyright (c) 1980, 1986, 1993
- *	The Regents of the University of California.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by the University of
- *	California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-#if 0
-static const char sccsid[] = "@(#)setup.c	8.10 (Berkeley) 5/9/95";
-#endif
-static const char rcsid[] =
-  "$FreeBSD$";
-#endif /* not lint */
-
-#define DKTYPENAMES
-#include <sys/param.h>
-#include <sys/stat.h>
-#include <sys/disklabel.h>
-#include <sys/file.h>
-
-#include <ufs/ufs/dinode.h>
-#include <ufs/ffs/fs.h>
-
-#include <ctype.h>
-#include <err.h>
-#include <errno.h>
-#include <string.h>
-
-#include "fsck.h"
-
-struct bufarea asblk;
-#define altsblock (*asblk.b_un.b_fs)
-#define POWEROF2(num)	(((num) & ((num) - 1)) == 0)
-
-static void badsb(int listerr, char *s);
-static int calcsb(char *dev, int devfd, struct fs *fs);
-static struct disklabel *getdisklabel(char *s, int fd);
-static int readsb(int listerr);
-
-/*
- * Read in a superblock finding an alternate if necessary.
- * Return 1 if successful, 0 if unsuccessful, -1 if filesystem
- * is already clean (preen mode only).
- */
-int
-setup(char *dev)
-{
-	long cg, size, asked, i, j;
-	long skipclean, bmapsize;
-	struct disklabel *lp;
-	off_t sizepb;
-	struct stat statb;
-	struct fs proto;
-
-	havesb = 0;
-	fswritefd = -1;
-	cursnapshot = 0;
-	skipclean = fflag ? 0 : preen;
-	if (stat(dev, &statb) < 0) {
-		printf("Can't stat %s: %s\n", dev, strerror(errno));
-		return (0);
-	}
-	if ((statb.st_mode & S_IFMT) != S_IFCHR &&
-	    (statb.st_mode & S_IFMT) != S_IFBLK) {
-		if ((statb.st_flags & SF_SNAPSHOT) != 0) {
-			cursnapshot = statb.st_ino;
-		} else {
-			pfatal("%s is not a disk device", dev);
-			if (reply("CONTINUE") == 0)
-				return (0);
-		}
-	}
-	if ((fsreadfd = open(dev, O_RDONLY)) < 0) {
-		printf("Can't open %s: %s\n", dev, strerror(errno));
-		return (0);
-	}
-	if (preen == 0)
-		printf("** %s", dev);
-	if (nflag || (fswritefd = open(dev, O_WRONLY)) < 0) {
-		fswritefd = -1;
-		if (preen)
-			pfatal("NO WRITE ACCESS");
-		printf(" (NO WRITE)");
-	}
-	if (preen == 0)
-		printf("\n");
-	fsmodified = 0;
-	lfdir = 0;
-	initbarea(&sblk);
-	initbarea(&asblk);
-	sblk.b_un.b_buf = malloc(SBSIZE);
-	asblk.b_un.b_buf = malloc(SBSIZE);
-	if (sblk.b_un.b_buf == NULL || asblk.b_un.b_buf == NULL)
-		errx(EEXIT, "cannot allocate space for superblock");
-	if ((lp = getdisklabel(NULL, fsreadfd)))
-		dev_bsize = secsize = lp->d_secsize;
-	else
-		dev_bsize = secsize = DEV_BSIZE;
-	/*
-	 * Read in the superblock, looking for alternates if necessary
-	 */
-	if (readsb(1) == 0) {
-		skipclean = 0;
-		if (bflag || preen || calcsb(dev, fsreadfd, &proto) == 0)
-			return(0);
-		if (reply("LOOK FOR ALTERNATE SUPERBLOCKS") == 0)
-			return (0);
-		for (cg = 0; cg < proto.fs_ncg; cg++) {
-			bflag = fsbtodb(&proto, cgsblock(&proto, cg));
-			if (readsb(0) != 0)
-				break;
-		}
-		if (cg >= proto.fs_ncg) {
-			printf("%s %s\n%s %s\n%s %s\n",
-				"SEARCH FOR ALTERNATE SUPER-BLOCK",
-				"FAILED. YOU MUST USE THE",
-				"-b OPTION TO FSCK TO SPECIFY THE",
-				"LOCATION OF AN ALTERNATE",
-				"SUPER-BLOCK TO SUPPLY NEEDED",
-				"INFORMATION; SEE fsck(8).");
-			bflag = 0;
-			return(0);
-		}
-		pwarn("USING ALTERNATE SUPERBLOCK AT %d\n", bflag);
-		bflag = 0;
-	}
-	if (skipclean && sblock.fs_clean) {
-		pwarn("FILESYSTEM CLEAN; SKIPPING CHECKS\n");
-		return (-1);
-	}
-	maxfsblock = sblock.fs_size;
-	maxino = sblock.fs_ncg * sblock.fs_ipg;
-	/*
-	 * Check and potentially fix certain fields in the super block.
-	 */
-	if (sblock.fs_optim != FS_OPTTIME && sblock.fs_optim != FS_OPTSPACE) {
-		pfatal("UNDEFINED OPTIMIZATION IN SUPERBLOCK");
-		if (reply("SET TO DEFAULT") == 1) {
-			sblock.fs_optim = FS_OPTTIME;
-			sbdirty();
-		}
-	}
-	if ((sblock.fs_minfree < 0 || sblock.fs_minfree > 99)) {
-		pfatal("IMPOSSIBLE MINFREE=%d IN SUPERBLOCK",
-			sblock.fs_minfree);
-		if (reply("SET TO DEFAULT") == 1) {
-			sblock.fs_minfree = 10;
-			sbdirty();
-		}
-	}
-	if (sblock.fs_interleave < 1 ||
-	    sblock.fs_interleave > sblock.fs_nsect) {
-		pwarn("IMPOSSIBLE INTERLEAVE=%d IN SUPERBLOCK",
-			sblock.fs_interleave);
-		sblock.fs_interleave = 1;
-		if (preen)
-			printf(" (FIXED)\n");
-		if (preen || reply("SET TO DEFAULT") == 1) {
-			sbdirty();
-			dirty(&asblk);
-		}
-	}
-	if (sblock.fs_npsect < sblock.fs_nsect ||
-	    sblock.fs_npsect > sblock.fs_nsect*2) {
-		pwarn("IMPOSSIBLE NPSECT=%d IN SUPERBLOCK",
-			sblock.fs_npsect);
-		sblock.fs_npsect = sblock.fs_nsect;
-		if (preen)
-			printf(" (FIXED)\n");
-		if (preen || reply("SET TO DEFAULT") == 1) {
-			sbdirty();
-			dirty(&asblk);
-		}
-	}
-	if (sblock.fs_inodefmt >= FS_44INODEFMT) {
-		newinofmt = 1;
-	} else {
-		sblock.fs_qbmask = ~sblock.fs_bmask;
-		sblock.fs_qfmask = ~sblock.fs_fmask;
-		newinofmt = 0;
-	}
-	/*
-	 * Convert to new inode format.
-	 */
-	if (cvtlevel >= 2 && sblock.fs_inodefmt < FS_44INODEFMT) {
-		if (preen)
-			pwarn("CONVERTING TO NEW INODE FORMAT\n");
-		else if (!reply("CONVERT TO NEW INODE FORMAT"))
-			return(0);
-		doinglevel2++;
-		sblock.fs_inodefmt = FS_44INODEFMT;
-		sizepb = sblock.fs_bsize;
-		sblock.fs_maxfilesize = sblock.fs_bsize * NDADDR - 1;
-		for (i = 0; i < NIADDR; i++) {
-			sizepb *= NINDIR(&sblock);
-			sblock.fs_maxfilesize += sizepb;
-		}
-		sblock.fs_maxsymlinklen = MAXSYMLINKLEN;
-		sblock.fs_qbmask = ~sblock.fs_bmask;
-		sblock.fs_qfmask = ~sblock.fs_fmask;
-		sbdirty();
-		dirty(&asblk);
-	}
-	/*
-	 * Convert to new cylinder group format.
-	 */
-	if (cvtlevel >= 1 && sblock.fs_postblformat == FS_42POSTBLFMT) {
-		if (preen)
-			pwarn("CONVERTING TO NEW CYLINDER GROUP FORMAT\n");
-		else if (!reply("CONVERT TO NEW CYLINDER GROUP FORMAT"))
-			return(0);
-		doinglevel1++;
-		sblock.fs_postblformat = FS_DYNAMICPOSTBLFMT;
-		sblock.fs_nrpos = 8;
-		sblock.fs_postbloff =
-		    (char *)(&sblock.fs_opostbl[0][0]) -
-		    (char *)(&sblock.fs_firstfield);
-		sblock.fs_rotbloff = &sblock.fs_space[0] -
-		    (u_char *)(&sblock.fs_firstfield);
-		sblock.fs_cgsize =
-			fragroundup(&sblock, CGSIZE(&sblock));
-		sbdirty();
-		dirty(&asblk);
-	}
-	if (asblk.b_dirty && !bflag) {
-		memmove(&altsblock, &sblock, (size_t)sblock.fs_sbsize);
-		flush(fswritefd, &asblk);
-	}
-	/*
-	 * read in the summary info.
-	 */
-	asked = 0;
-	sblock.fs_csp = calloc(1, sblock.fs_cssize);
-	for (i = 0, j = 0; i < sblock.fs_cssize; i += sblock.fs_bsize, j++) {
-		size = sblock.fs_cssize - i < sblock.fs_bsize ?
-		    sblock.fs_cssize - i : sblock.fs_bsize;
-		if (bread(fsreadfd, (char *)sblock.fs_csp + i,
-		    fsbtodb(&sblock, sblock.fs_csaddr + j * sblock.fs_frag),
-		    size) != 0 && !asked) {
-			pfatal("BAD SUMMARY INFORMATION");
-			if (reply("CONTINUE") == 0) {
-				ckfini(0);
-				exit(EEXIT);
-			}
-			asked++;
-		}
-	}
-	/*
-	 * allocate and initialize the necessary maps
-	 */
-	bmapsize = roundup(howmany(maxfsblock, NBBY), sizeof(short));
-	blockmap = calloc((unsigned)bmapsize, sizeof (char));
-	if (blockmap == NULL) {
-		printf("cannot alloc %u bytes for blockmap\n",
-		    (unsigned)bmapsize);
-		goto badsb;
-	}
-	inostathead = calloc((unsigned)(sblock.fs_ncg),
-	    sizeof(struct inostatlist));
-	if (inostathead == NULL) {
-		printf("cannot alloc %u bytes for inostathead\n",
-		    (unsigned)(sizeof(struct inostatlist) * (sblock.fs_ncg)));
-		goto badsb;
-	}
-	numdirs = sblock.fs_cstotal.cs_ndir;
-	dirhash = numdirs;
-#if NOTFORIFS
-	if (numdirs == 0) {
-		printf("numdirs is zero, try using an alternate superblock\n");
-		goto badsb;
-	}
-#endif
-	inplast = 0;
-	listmax = numdirs + 10;
-	inpsort = (struct inoinfo **)calloc((unsigned)listmax,
-	    sizeof(struct inoinfo *));
-	inphead = (struct inoinfo **)calloc((unsigned)numdirs,
-	    sizeof(struct inoinfo *));
-	if (inpsort == NULL || inphead == NULL) {
-		printf("cannot alloc %u bytes for inphead\n",
-		    (unsigned)numdirs * sizeof(struct inoinfo *));
-		goto badsb;
-	}
-	bufinit();
-	if (sblock.fs_flags & FS_DOSOFTDEP)
-		usedsoftdep = 1;
-	else
-		usedsoftdep = 0;
-	return (1);
-
-badsb:
-	ckfini(0);
-	return (0);
-}
-
-/*
- * Read in the super block and its summary info.
- */
-static int
-readsb(int listerr)
-{
-	ufs_daddr_t super = bflag ? bflag : SBOFF / dev_bsize;
-
-	if (bread(fsreadfd, (char *)&sblock, super, (long)SBSIZE) != 0)
-		return (0);
-	sblk.b_bno = super;
-	sblk.b_size = SBSIZE;
-	/*
-	 * run a few consistency checks of the super block
-	 */
-	if (sblock.fs_magic != FS_MAGIC)
-		{ badsb(listerr, "MAGIC NUMBER WRONG"); return (0); }
-	if (sblock.fs_ncg < 1)
-		{ badsb(listerr, "NCG OUT OF RANGE"); return (0); }
-	if (sblock.fs_cpg < 1)
-		{ badsb(listerr, "CPG OUT OF RANGE"); return (0); }
-	if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl ||
-	    (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl)
-		{ badsb(listerr, "NCYL LESS THAN NCG*CPG"); return (0); }
-	if (sblock.fs_sbsize > SBSIZE)
-		{ badsb(listerr, "SIZE PREPOSTEROUSLY LARGE"); return (0); }
-	/*
-	 * Compute block size that the filesystem is based on,
-	 * according to fsbtodb, and adjust superblock block number
-	 * so we can tell if this is an alternate later.
-	 */
-	super *= dev_bsize;
-	dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1);
-	sblk.b_bno = super / dev_bsize;
-	if (bflag) {
-		havesb = 1;
-		return (1);
-	}
-	/*
-	 * Set all possible fields that could differ, then do check
-	 * of whole super block against an alternate super block.
-	 * When an alternate super-block is specified this check is skipped.
-	 */
-	getblk(&asblk, cgsblock(&sblock, sblock.fs_ncg - 1), sblock.fs_sbsize);
-	if (asblk.b_errs)
-		return (0);
-	altsblock.fs_firstfield = sblock.fs_firstfield;
-	altsblock.fs_unused_1 = sblock.fs_unused_1;
-	altsblock.fs_time = sblock.fs_time;
-	altsblock.fs_cstotal = sblock.fs_cstotal;
-	altsblock.fs_cgrotor = sblock.fs_cgrotor;
-	altsblock.fs_fmod = sblock.fs_fmod;
-	altsblock.fs_clean = sblock.fs_clean;
-	altsblock.fs_ronly = sblock.fs_ronly;
-	altsblock.fs_flags = sblock.fs_flags;
-	altsblock.fs_maxcontig = sblock.fs_maxcontig;
-	altsblock.fs_minfree = sblock.fs_minfree;
-	altsblock.fs_optim = sblock.fs_optim;
-	altsblock.fs_rotdelay = sblock.fs_rotdelay;
-	altsblock.fs_maxbpg = sblock.fs_maxbpg;
-	memmove(altsblock.fs_ocsp, sblock.fs_ocsp, sizeof sblock.fs_ocsp);
-	altsblock.fs_csp = sblock.fs_csp;
-	altsblock.fs_maxcluster = sblock.fs_maxcluster;
-	memmove(altsblock.fs_fsmnt, sblock.fs_fsmnt, sizeof sblock.fs_fsmnt);
-	memmove(altsblock.fs_snapinum, sblock.fs_snapinum,
-		sizeof sblock.fs_snapinum);
-	memmove(altsblock.fs_sparecon,
-		sblock.fs_sparecon, sizeof sblock.fs_sparecon);
-	/*
-	 * The following should not have to be copied.
-	 */
-	altsblock.fs_fsbtodb = sblock.fs_fsbtodb;
-	altsblock.fs_interleave = sblock.fs_interleave;
-	altsblock.fs_npsect = sblock.fs_npsect;
-	altsblock.fs_nrpos = sblock.fs_nrpos;
-	altsblock.fs_state = sblock.fs_state;
-	altsblock.fs_qbmask = sblock.fs_qbmask;
-	altsblock.fs_qfmask = sblock.fs_qfmask;
-	altsblock.fs_state = sblock.fs_state;
-	altsblock.fs_maxfilesize = sblock.fs_maxfilesize;
-	if (memcmp(&sblock, &altsblock, (int)sblock.fs_sbsize)) {
-		if (debug) {
-			long *nlp, *olp, *endlp;
-
-			printf("superblock mismatches\n");
-			nlp = (long *)&altsblock;
-			olp = (long *)&sblock;
-			endlp = olp + (sblock.fs_sbsize / sizeof *olp);
-			for ( ; olp < endlp; olp++, nlp++) {
-				if (*olp == *nlp)
-					continue;
-				printf(
-				    "offset %d, original %ld, alternate %ld\n",
-				    olp - (long *)&sblock, *olp, *nlp);
-			}
-		}
-		badsb(listerr,
-		"VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE");
-		return (0);
-	}
-	havesb = 1;
-	return (1);
-}
-
-static void
-badsb(int listerr, char *s)
-{
-
-	if (!listerr)
-		return;
-	if (preen)
-		printf("%s: ", cdevname);
-	pfatal("BAD SUPER BLOCK: %s\n", s);
-}
-
-/*
- * Calculate a prototype superblock based on information in the disk label.
- * When done the cgsblock macro can be calculated and the fs_ncg field
- * can be used. Do NOT attempt to use other macros without verifying that
- * their needed information is available!
- */
-static int
-calcsb(char *dev, int devfd, struct fs *fs)
-{
-	struct disklabel *lp;
-	struct partition *pp;
-	char *cp;
-	int i;
-
-	cp = strchr(dev, '\0') - 1;
-	if (cp == (char *)-1 || ((*cp < 'a' || *cp > 'h') && !isdigit(*cp))) {
-		pfatal("%s: CANNOT FIGURE OUT FILE SYSTEM PARTITION\n", dev);
-		return (0);
-	}
-	lp = getdisklabel(dev, devfd);
-	if (isdigit(*cp))
-		pp = &lp->d_partitions[0];
-	else
-		pp = &lp->d_partitions[*cp - 'a'];
-	if (pp->p_fstype != FS_BSDFFS) {
-		pfatal("%s: NOT LABELED AS A BSD FILE SYSTEM (%s)\n",
-			dev, pp->p_fstype < FSMAXTYPES ?
-			fstypenames[pp->p_fstype] : "unknown");
-		return (0);
-	}
-	if (pp->p_fsize == 0 || pp->p_frag == 0 ||
-	    pp->p_cpg == 0 || pp->p_size == 0) {
-		pfatal("%s: %s: type %s fsize %d, frag %d, cpg %d, size %d\n",
-		    dev, "INCOMPLETE LABEL", fstypenames[pp->p_fstype],
-		    pp->p_fsize, pp->p_frag, pp->p_cpg, pp->p_size);
-		return (0);
-	}
-	memset(fs, 0, sizeof(struct fs));
-	fs->fs_fsize = pp->p_fsize;
-	fs->fs_frag = pp->p_frag;
-	fs->fs_cpg = pp->p_cpg;
-	fs->fs_size = pp->p_size;
-	fs->fs_ntrak = lp->d_ntracks;
-	fs->fs_nsect = lp->d_nsectors;
-	fs->fs_spc = lp->d_secpercyl;
-	fs->fs_nspf = fs->fs_fsize / lp->d_secsize;
-	fs->fs_cgmask = 0xffffffff;
-	for (i = fs->fs_ntrak; i > 1; i >>= 1)
-		fs->fs_cgmask <<= 1;
-	if (!POWEROF2(fs->fs_ntrak))
-		fs->fs_cgmask <<= 1;
-	fs->fs_cgoffset = roundup(
-		howmany(fs->fs_nsect, NSPF(fs)), fs->fs_frag);
-	fs->fs_fpg = (fs->fs_cpg * fs->fs_spc) / NSPF(fs);
-	fs->fs_ncg = howmany(fs->fs_size / fs->fs_spc, fs->fs_cpg);
-	for (fs->fs_fsbtodb = 0, i = NSPF(fs); i > 1; i >>= 1)
-		fs->fs_fsbtodb++;
-	dev_bsize = lp->d_secsize;
-	return (1);
-}
-
-static struct disklabel *
-getdisklabel(char *s, int fd)
-{
-	static struct disklabel lab;
-
-	if (ioctl(fd, DIOCGDINFO, (char *)&lab) < 0) {
-		if (s == NULL)
-			return ((struct disklabel *)NULL);
-		pwarn("ioctl (GCINFO): %s\n", strerror(errno));
-		errx(EEXIT, "%s: can't read disk label", s);
-	}
-	return (&lab);
-}