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9d384d4d3d
recreating the filesystem, check for and output the -i, -k, and -l options if appropriate. Note the remaining deficiencies of the -m option in the dumpfs(8) manual page. Specifically that newfs(8) options -E, -R, -S, and -T options are not handled and that -p is not useful so is omitted. Also document that newfs(8) options -n and -r are neither checked for nor output but should be. The -r flag is needed if the filesystem uses gjournal(8). PR: bin/163992 Reported by: Dieter <freebsd@sopwith.solgatos.com> Submitted by: Andy Kosela <akosela@andykosela.com> MFC after: 1 week
511 lines
14 KiB
C
511 lines
14 KiB
C
/*
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* Copyright (c) 2009 Robert N. M. Watson
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* All rights reserved.
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*
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* This software was developed at the University of Cambridge Computer
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* Laboratory with support from a grant from Google, Inc.
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*
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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) 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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* 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 <errno.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 <paths.h>
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#include <stdint.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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#define acg disk.d_cg
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static struct uufsd disk;
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static int dumpfs(const char *);
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static int dumpfsid(void);
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static int dumpcg(void);
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static int dumpfreespace(const char *, int);
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static void dumpfreespacecg(int);
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static int marshal(const char *);
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static void pbits(void *, int);
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static void pblklist(void *, int, off_t, int);
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static void ufserr(const char *);
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static 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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const char *name;
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int ch, dofreespace, domarshal, dolabel, eval;
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dofreespace = domarshal = dolabel = eval = 0;
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while ((ch = getopt(argc, argv, "lfm")) != -1) {
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switch (ch) {
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case 'f':
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dofreespace++;
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break;
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case 'm':
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domarshal = 1;
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break;
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case 'l':
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dolabel = 1;
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break;
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case '?':
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default:
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usage();
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}
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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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if (dofreespace && domarshal)
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usage();
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if (dofreespace > 2)
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usage();
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while ((name = *argv++) != NULL) {
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if (ufs_disk_fillout(&disk, name) == -1) {
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ufserr(name);
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eval |= 1;
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continue;
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}
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if (dofreespace)
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eval |= dumpfreespace(name, dofreespace);
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else if (domarshal)
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eval |= marshal(name);
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else if (dolabel)
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eval |= dumpfsid();
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else
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eval |= dumpfs(name);
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ufs_disk_close(&disk);
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}
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exit(eval);
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}
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static int
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dumpfsid(void)
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{
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printf("%sufsid/%08x%08x\n", _PATH_DEV, afs.fs_id[0], afs.fs_id[1]);
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return 0;
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}
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static int
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dumpfs(const char *name)
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{
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time_t fstime;
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int64_t fssize;
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int32_t fsflags;
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int i;
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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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fstime = afs.fs_time;
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printf("magic\t%x (UFS2)\ttime\t%s",
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afs.fs_magic, ctime(&fstime));
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printf("superblock location\t%jd\tid\t[ %x %x ]\n",
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(intmax_t)afs.fs_sblockloc, afs.fs_id[0], afs.fs_id[1]);
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printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n",
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afs.fs_ncg, (intmax_t)fssize, (intmax_t)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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fstime = afs.fs_old_time;
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printf("magic\t%x (UFS1)\ttime\t%s",
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afs.fs_magic, ctime(&fstime));
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printf("id\t[ %08x %08x ]\n", afs.fs_id[0], afs.fs_id[1]);
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printf("ncg\t%d\tsize\t%jd\tblocks\t%jd\n",
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afs.fs_ncg, (intmax_t)fssize, (intmax_t)afs.fs_dsize);
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break;
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default:
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goto err;
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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%jd\tndir\t%jd\tnifree\t%jd\tnffree\t%jd\n",
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(intmax_t)afs.fs_cstotal.cs_nbfree,
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(intmax_t)afs.fs_cstotal.cs_ndir,
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(intmax_t)afs.fs_cstotal.cs_nifree,
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(intmax_t)afs.fs_cstotal.cs_nffree);
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printf("bpg\t%d\tfpg\t%d\tipg\t%d\tunrefs\t%jd\n",
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afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg,
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(intmax_t)afs.fs_unrefs);
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printf("nindir\t%d\tinopb\t%d\tmaxfilesize\t%ju\n",
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afs.fs_nindir, afs.fs_inopb,
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(uintmax_t)afs.fs_maxfilesize);
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printf("sbsize\t%d\tcgsize\t%d\tcsaddr\t%jd\tcssize\t%d\n",
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afs.fs_sbsize, afs.fs_cgsize, (intmax_t)afs.fs_csaddr,
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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%ju\n",
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afs.fs_nindir, afs.fs_inopb, afs.fs_old_nspf,
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(uintmax_t)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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goto err;
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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("metaspace %jd\tavgfpdir %d\tavgfilesize %d\n",
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afs.fs_metaspace, afs.fs_avgfpdir, afs.fs_avgfilesize);
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printf("flags\t");
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if (afs.fs_old_flags & FS_FLAGS_UPDATED)
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fsflags = afs.fs_flags;
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else
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fsflags = afs.fs_old_flags;
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if (fsflags == 0)
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printf("none");
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if (fsflags & FS_UNCLEAN)
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printf("unclean ");
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if (fsflags & FS_DOSOFTDEP)
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printf("soft-updates%s ", (fsflags & FS_SUJ) ? "+journal" : "");
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if (fsflags & FS_NEEDSFSCK)
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printf("needs fsck run ");
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if (fsflags & FS_INDEXDIRS)
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printf("indexed directories ");
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if (fsflags & FS_ACLS)
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printf("acls ");
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if (fsflags & FS_MULTILABEL)
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printf("multilabel ");
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if (fsflags & FS_GJOURNAL)
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printf("gjournal ");
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if (fsflags & FS_FLAGS_UPDATED)
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printf("fs_flags expanded ");
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if (fsflags & FS_NFS4ACLS)
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printf("nfsv4acls ");
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if (fsflags & FS_TRIM)
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printf("trim ");
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fsflags &= ~(FS_UNCLEAN | FS_DOSOFTDEP | FS_NEEDSFSCK | FS_INDEXDIRS |
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FS_ACLS | FS_MULTILABEL | FS_GJOURNAL | FS_FLAGS_UPDATED |
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FS_NFS4ACLS | FS_SUJ | FS_TRIM);
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if (fsflags != 0)
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printf("unknown flags (%#x)", fsflags);
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putchar('\n');
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printf("fsmnt\t%s\n", afs.fs_fsmnt);
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printf("volname\t%s\tswuid\t%ju\tprovidersize\t%ju\n",
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afs.fs_volname, (uintmax_t)afs.fs_swuid,
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(uintmax_t)afs.fs_providersize);
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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 %ld\n\n",
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(long)((fssize % afs.fs_fpg) / afs.fs_frag));
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}
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while ((i = cgread(&disk)) != 0) {
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if (i == -1 || dumpcg())
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goto err;
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}
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return (0);
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err: ufserr(name);
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return (1);
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}
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static int
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dumpcg(void)
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{
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time_t cgtime;
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off_t cur;
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int i, j;
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printf("\ncg %d:\n", disk.d_lcg);
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cur = fsbtodb(&afs, cgtod(&afs, disk.d_lcg)) * disk.d_bsize;
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switch (disk.d_ufs) {
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case 2:
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cgtime = acg.cg_time;
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printf("magic\t%x\ttell\t%jx\ttime\t%s",
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acg.cg_magic, (intmax_t)cur, ctime(&cgtime));
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printf("cgx\t%d\tndblk\t%d\tniblk\t%d\tinitiblk %d\tunrefs %d\n",
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acg.cg_cgx, acg.cg_ndblk, acg.cg_niblk, acg.cg_initediblk,
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acg.cg_unrefs);
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break;
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case 1:
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cgtime = acg.cg_old_time;
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printf("magic\t%x\ttell\t%jx\ttime\t%s",
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acg.cg_magic, (intmax_t)cur, ctime(&cgtime));
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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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static int
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dumpfreespace(const char *name, int fflag)
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{
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int i;
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while ((i = cgread(&disk)) != 0) {
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if (i == -1)
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goto err;
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dumpfreespacecg(fflag);
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}
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return (0);
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err:
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ufserr(name);
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return (1);
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}
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static void
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dumpfreespacecg(int fflag)
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{
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pblklist(cg_blksfree(&acg), afs.fs_fpg, disk.d_lcg * afs.fs_fpg,
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fflag);
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}
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static int
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marshal(const char *name)
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{
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struct fs *fs;
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fs = &disk.d_fs;
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printf("# newfs command for %s (%s)\n", name, disk.d_name);
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printf("newfs ");
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if (fs->fs_volname[0] != '\0')
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printf("-L %s ", fs->fs_volname);
|
|
printf("-O %d ", disk.d_ufs);
|
|
if (fs->fs_flags & FS_DOSOFTDEP)
|
|
printf("-U ");
|
|
printf("-a %d ", fs->fs_maxcontig);
|
|
printf("-b %d ", fs->fs_bsize);
|
|
/* -c is dumb */
|
|
printf("-d %d ", fs->fs_maxbsize);
|
|
printf("-e %d ", fs->fs_maxbpg);
|
|
printf("-f %d ", fs->fs_fsize);
|
|
printf("-g %d ", fs->fs_avgfilesize);
|
|
printf("-h %d ", fs->fs_avgfpdir);
|
|
printf("-i %jd ", fragroundup(fs, lblktosize(fs, fragstoblks(fs,
|
|
fs->fs_fpg)) / fs->fs_ipg));
|
|
if (fs->fs_flags & FS_SUJ)
|
|
printf("-j ");
|
|
if (fs->fs_flags & FS_GJOURNAL)
|
|
printf("-J ");
|
|
printf("-k %jd ", fs->fs_metaspace);
|
|
if (fs->fs_flags & FS_MULTILABEL)
|
|
printf("-l ");
|
|
printf("-m %d ", fs->fs_minfree);
|
|
/* -n unimplemented */
|
|
printf("-o ");
|
|
switch (fs->fs_optim) {
|
|
case FS_OPTSPACE:
|
|
printf("space ");
|
|
break;
|
|
case FS_OPTTIME:
|
|
printf("time ");
|
|
break;
|
|
default:
|
|
printf("unknown ");
|
|
break;
|
|
}
|
|
/* -p..r unimplemented */
|
|
printf("-s %jd ", (intmax_t)fsbtodb(fs, fs->fs_size));
|
|
if (fs->fs_flags & FS_TRIM)
|
|
printf("-t ");
|
|
printf("%s ", disk.d_name);
|
|
printf("\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
pbits(void *vp, int max)
|
|
{
|
|
int i;
|
|
char *p;
|
|
int count, j;
|
|
|
|
for (count = i = 0, p = vp; i < max; i++)
|
|
if (isset(p, i)) {
|
|
if (count)
|
|
printf(",%s", count % 6 ? " " : "\n\t");
|
|
count++;
|
|
printf("%d", i);
|
|
j = i;
|
|
while ((i+1)<max && isset(p, i+1))
|
|
i++;
|
|
if (i != j)
|
|
printf("-%d", i);
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
static void
|
|
pblklist(void *vp, int max, off_t offset, int fflag)
|
|
{
|
|
int i, j;
|
|
char *p;
|
|
|
|
for (i = 0, p = vp; i < max; i++) {
|
|
if (isset(p, i)) {
|
|
printf("%jd", (intmax_t)(i + offset));
|
|
if (fflag < 2) {
|
|
j = i;
|
|
while ((i+1)<max && isset(p, i+1))
|
|
i++;
|
|
if (i != j)
|
|
printf("-%jd", (intmax_t)(i + offset));
|
|
}
|
|
printf("\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
ufserr(const char *name)
|
|
{
|
|
if (disk.d_error != NULL)
|
|
warnx("%s: %s", name, disk.d_error);
|
|
else if (errno)
|
|
warn("%s", name);
|
|
}
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
(void)fprintf(stderr, "usage: dumpfs [-flm] filesys | device\n");
|
|
exit(1);
|
|
}
|