mirror of
https://git.FreeBSD.org/src.git
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60b9ade019
version of UFS on a disk, and bread() instead of other types of idiocy. Obtained from: jmallett_libufs Perforce branch.
339 lines
10 KiB
C
339 lines
10 KiB
C
/*
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by Marshall
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* Kirk McKusick and Network Associates Laboratories, the Security
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* Research Division of Network Associates, Inc. under DARPA/SPAWAR
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* contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA CHATS
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* research program
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*
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* Copyright (c) 1982, 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* Copyright (c) 1983, 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1983, 1992, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)dumpfs.c 8.5 (Berkeley) 4/29/95";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/disklabel.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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#include <err.h>
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#include <fcntl.h>
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#include <fstab.h>
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#include <libufs.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#define afs disk.d_fs
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union {
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struct cg cg;
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char pad[MAXBSIZE];
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} cgun;
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#define acg cgun.cg
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struct uufsd disk;
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int dumpfs(const char *);
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int dumpcg(int);
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void pbits(void *, int);
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void usage(void) __dead2;
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int
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main(int argc, char *argv[])
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{
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struct fstab *fs;
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int ch, eval;
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while ((ch = getopt(argc, argv, "")) != -1)
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switch(ch) {
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case '?':
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (argc < 1)
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usage();
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for (eval = 0; *argv; ++argv)
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if ((fs = getfsfile(*argv)) == NULL)
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eval |= dumpfs(*argv);
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else
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eval |= dumpfs(fs->fs_spec);
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exit(eval);
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}
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int
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dumpfs(const char *name)
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{
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time_t time;
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int64_t fssize;
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int i;
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if (ufs_disk_fillout(&disk, name) == -1)
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goto err;
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switch (disk.d_ufs) {
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case 2:
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fssize = afs.fs_size;
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time = afs.fs_time;
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printf("magic\t%x (UFS2)\ttime\t%s",
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afs.fs_magic, ctime(&time));
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printf("offset\t%qd\tid\t[ %x %x ]\n",
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afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]);
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printf("ncg\t%d\tsize\t%qd\tblocks\t%d\n",
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afs.fs_ncg, fssize, afs.fs_dsize);
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break;
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case 1:
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fssize = afs.fs_old_size;
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printf("magic\t%x (UFS1)\ttime\t%s",
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afs.fs_magic, ctime(&afs.fs_old_time));
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printf("id\t[ %x %x ]\n", afs.fs_id[0], afs.fs_id[1]);
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printf("ncg\t%d\tsize\t%qd\tblocks\t%d\n",
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afs.fs_ncg, fssize, afs.fs_dsize);
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break;
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default:
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break;
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}
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printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
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afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
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printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
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afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
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printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
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afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
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printf("minfree\t%d%%\toptim\t%s\tsymlinklen %d\n",
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afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
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afs.fs_maxsymlinklen);
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switch (disk.d_ufs) {
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case 2:
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printf("%s %d\tmaxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
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"maxbsize", afs.fs_maxbsize, afs.fs_maxbpg,
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afs.fs_maxcontig, afs.fs_contigsumsize);
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printf("nbfree\t%qd\tndir\t%qd\tnifree\t%qd\tnffree\t%qd\n",
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afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
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afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
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printf("bpg\t%d\tfpg\t%d\tipg\t%d\n",
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afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
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printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%qu\n",
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afs.fs_nindir, afs.fs_inopb, afs.fs_maxfilesize);
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printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%d\tcssize\t%d\n",
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afs.fs_sbsize, afs.fs_cgsize, afs.fs_csaddr, afs.fs_cssize);
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break;
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case 1:
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printf("maxbpg\t%d\tmaxcontig %d\tcontigsumsize %d\n",
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afs.fs_maxbpg, afs.fs_maxcontig, afs.fs_contigsumsize);
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printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
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afs.fs_old_cstotal.cs_nbfree, afs.fs_old_cstotal.cs_ndir,
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afs.fs_old_cstotal.cs_nifree, afs.fs_old_cstotal.cs_nffree);
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printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
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afs.fs_old_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg,
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afs.fs_ipg);
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printf("nindir\t%d\tinopb\t%d\tnspf\t%d\tmaxfilesize\t%qu\n",
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afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf,
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afs.fs_maxfilesize);
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printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
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afs.fs_sbsize, afs.fs_cgsize, afs.fs_old_cgoffset,
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afs.fs_old_cgmask);
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printf("csaddr\t%d\tcssize\t%d\n",
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afs.fs_old_csaddr, afs.fs_cssize);
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printf("rotdelay %dms\trps\t%d\ttrackskew %d\tinterleave %d\n",
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afs.fs_old_rotdelay, afs.fs_old_rps, afs.fs_old_trackskew,
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afs.fs_old_interleave);
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printf("nsect\t%d\tnpsect\t%d\tspc\t%d\n",
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afs.fs_old_nsect, afs.fs_old_npsect, afs.fs_old_spc);
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break;
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default:
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break;
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}
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printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
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afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
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printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\tclean\t%d\n",
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afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly, afs.fs_clean);
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printf("flags\t");
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if (afs.fs_flags == 0)
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printf("none");
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if (afs.fs_flags & FS_UNCLEAN)
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printf("unclean ");
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if (afs.fs_flags & FS_DOSOFTDEP)
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printf("soft-updates ");
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if (afs.fs_flags & FS_NEEDSFSCK)
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printf("needs fsck run ");
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if (afs.fs_flags & FS_INDEXDIRS)
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printf("indexed directories ");
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if ((afs.fs_flags &
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~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS)) != 0)
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printf("unknown flags (%#x)", afs.fs_flags &
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~(FS_UNCLEAN | FS_DOSOFTDEP |
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FS_NEEDSFSCK | FS_INDEXDIRS));
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putchar('\n');
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printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
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afs.fs_csp = calloc(1, afs.fs_cssize);
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if (bread(&disk, fsbtodb(&afs, afs.fs_csaddr), afs.fs_csp, afs.fs_cssize) == -1)
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goto err;
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for (i = 0; i < afs.fs_ncg; i++) {
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struct csum *cs = &afs.fs_cs(&afs, i);
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if (i && i % 4 == 0)
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printf("\n\t");
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printf("(%d,%d,%d,%d) ",
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cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
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}
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printf("\n");
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if (fssize % afs.fs_fpg) {
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if (disk.d_ufs == 1)
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printf("cylinders in last group %d\n",
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howmany(afs.fs_old_size % afs.fs_fpg,
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afs.fs_old_spc / afs.fs_old_nspf));
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printf("blocks in last group %d\n\n",
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(fssize % afs.fs_fpg) / afs.fs_frag);
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}
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for (i = 0; i < afs.fs_ncg; i++)
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if (dumpcg(i))
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goto err;
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ufs_disk_close(&disk);
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return (0);
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err: ufs_disk_close(&disk);
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warn("%s", name);
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return (1);
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}
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int
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dumpcg(int c)
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{
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time_t time;
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off_t cur;
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int i, j;
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printf("\ncg %d:\n", c);
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cur = fsbtodb(&afs, cgtod(&afs, c)) * disk.d_bsize;
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if (bread(&disk, fsbtodb(&afs, cgtod(&afs, c)), &acg, afs.fs_bsize) == -1)
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return (1);
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switch (disk.d_ufs) {
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case 2:
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time = acg.cg_time;
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printf("magic\t%x\ttell\t%qx\ttime\t%s",
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acg.cg_magic, cur, ctime(&time));
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printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\n",
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acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk);
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break;
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case 1:
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printf("magic\t%x\ttell\t%qx\ttime\t%s",
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acg.cg_magic, cur, ctime(&acg.cg_old_time));
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printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
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acg.cg_cgx, acg.cg_old_ncyl, acg.cg_old_niblk,
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acg.cg_ndblk);
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break;
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default:
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break;
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}
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printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
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acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
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acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
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printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
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acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
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for (i = 1, j = 0; i < afs.fs_frag; i++) {
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printf("\t%d", acg.cg_frsum[i]);
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j += i * acg.cg_frsum[i];
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}
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printf("\nsum of frsum: %d", j);
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if (afs.fs_contigsumsize > 0) {
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for (i = 1; i < afs.fs_contigsumsize; i++) {
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if ((i - 1) % 8 == 0)
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printf("\nclusters %d-%d:", i,
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afs.fs_contigsumsize - 1 < i + 7 ?
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afs.fs_contigsumsize - 1 : i + 7);
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printf("\t%d", cg_clustersum(&acg)[i]);
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}
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printf("\nclusters size %d and over: %d\n",
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afs.fs_contigsumsize,
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cg_clustersum(&acg)[afs.fs_contigsumsize]);
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printf("clusters free:\t");
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pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
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} else
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printf("\n");
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printf("inodes used:\t");
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pbits(cg_inosused(&acg), afs.fs_ipg);
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printf("blks free:\t");
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pbits(cg_blksfree(&acg), afs.fs_fpg);
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return (0);
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}
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void
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pbits(void *vp, int max)
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{
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int i;
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char *p;
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int count, j;
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for (count = i = 0, p = vp; i < max; i++)
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if (isset(p, i)) {
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if (count)
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printf(",%s", count % 6 ? " " : "\n\t");
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count++;
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printf("%d", i);
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j = i;
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while ((i+1)<max && isset(p, i+1))
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i++;
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if (i != j)
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printf("-%d", i);
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}
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printf("\n");
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}
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void
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usage(void)
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{
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(void)fprintf(stderr, "usage: dumpfs filesys | device\n");
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exit(1);
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}
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