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authorrgrimes <rgrimes@FreeBSD.org>1994-05-26 06:35:07 +0000
committerrgrimes <rgrimes@FreeBSD.org>1994-05-26 06:35:07 +0000
commitd038e02fd667ab6c02875840105798aaa7029504 (patch)
treeb555a2b228429d62f4946ae1a7e68c33012e1b03 /sbin/dumpfs/dumpfs.c
parente3cfc8ce61f788739c66445d903f8beacb40c93d (diff)
downloadFreeBSD-src-d038e02fd667ab6c02875840105798aaa7029504.zip
FreeBSD-src-d038e02fd667ab6c02875840105798aaa7029504.tar.gz
BSD 4.4 Lite sbin Sources
Note: XNSrouted and routed NOT imported here, they shall be imported with usr.sbin.
Diffstat (limited to 'sbin/dumpfs/dumpfs.c')
-rw-r--r--sbin/dumpfs/dumpfs.c315
1 files changed, 315 insertions, 0 deletions
diff --git a/sbin/dumpfs/dumpfs.c b/sbin/dumpfs/dumpfs.c
new file mode 100644
index 0000000..d453fab
--- /dev/null
+++ b/sbin/dumpfs/dumpfs.c
@@ -0,0 +1,315 @@
+/*
+ * Copyright (c) 1983, 1992, 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
+static char copyright[] =
+"@(#) Copyright (c) 1983, 1992, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)dumpfs.c 8.2 (Berkeley) 2/2/94";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+
+#include <ufs/ufs/dinode.h>
+#include <ufs/ffs/fs.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <fstab.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+union {
+ struct fs fs;
+ char pad[MAXBSIZE];
+} fsun;
+#define afs fsun.fs
+
+union {
+ struct cg cg;
+ char pad[MAXBSIZE];
+} cgun;
+#define acg cgun.cg
+
+long dev_bsize = 1;
+
+int dumpfs __P((char *));
+int dumpcg __P((char *, int, int));
+void pbits __P((void *, int));
+void usage __P((void));
+
+int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ register struct fstab *fs;
+ int ch, eval;
+
+ while ((ch = getopt(argc, argv, "")) != EOF)
+ switch(ch) {
+ case '?':
+ default:
+ usage();
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1)
+ usage();
+
+ for (eval = 0; *argv; ++argv)
+ if ((fs = getfsfile(*argv)) == NULL)
+ eval |= dumpfs(*argv);
+ else
+ eval |= dumpfs(fs->fs_spec);
+ exit(eval);
+}
+
+int
+dumpfs(name)
+ char *name;
+{
+ int fd, c, i, j, k, size;
+
+ if ((fd = open(name, O_RDONLY, 0)) < 0)
+ goto err;
+ if (lseek(fd, (off_t)SBOFF, SEEK_SET) == (off_t)-1)
+ goto err;
+ if (read(fd, &afs, SBSIZE) != SBSIZE)
+ goto err;
+
+ if (afs.fs_postblformat == FS_42POSTBLFMT)
+ afs.fs_nrpos = 8;
+ dev_bsize = afs.fs_fsize / fsbtodb(&afs, 1);
+ printf("magic\t%x\ttime\t%s", afs.fs_magic,
+ ctime(&afs.fs_time));
+ printf("cylgrp\t%s\tinodes\t%s\n",
+ afs.fs_postblformat == FS_42POSTBLFMT ? "static" : "dynamic",
+ afs.fs_inodefmt < FS_44INODEFMT ? "4.2/4.3BSD" : "4.4BSD");
+ printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
+ afs.fs_cstotal.cs_nbfree, afs.fs_cstotal.cs_ndir,
+ afs.fs_cstotal.cs_nifree, afs.fs_cstotal.cs_nffree);
+ printf("ncg\t%d\tncyl\t%d\tsize\t%d\tblocks\t%d\n",
+ afs.fs_ncg, afs.fs_ncyl, afs.fs_size, afs.fs_dsize);
+ printf("bsize\t%d\tshift\t%d\tmask\t0x%08x\n",
+ afs.fs_bsize, afs.fs_bshift, afs.fs_bmask);
+ printf("fsize\t%d\tshift\t%d\tmask\t0x%08x\n",
+ afs.fs_fsize, afs.fs_fshift, afs.fs_fmask);
+ printf("frag\t%d\tshift\t%d\tfsbtodb\t%d\n",
+ afs.fs_frag, afs.fs_fragshift, afs.fs_fsbtodb);
+ printf("cpg\t%d\tbpg\t%d\tfpg\t%d\tipg\t%d\n",
+ afs.fs_cpg, afs.fs_fpg / afs.fs_frag, afs.fs_fpg, afs.fs_ipg);
+ printf("minfree\t%d%%\toptim\t%s\tmaxcontig %d\tmaxbpg\t%d\n",
+ afs.fs_minfree, afs.fs_optim == FS_OPTSPACE ? "space" : "time",
+ afs.fs_maxcontig, afs.fs_maxbpg);
+ printf("rotdelay %dms\theadswitch %dus\ttrackseek %dus\trps\t%d\n",
+ afs.fs_rotdelay, afs.fs_headswitch, afs.fs_trkseek, afs.fs_rps);
+ printf("ntrak\t%d\tnsect\t%d\tnpsect\t%d\tspc\t%d\n",
+ afs.fs_ntrak, afs.fs_nsect, afs.fs_npsect, afs.fs_spc);
+ printf("symlinklen %d\ttrackskew %d\tinterleave %d\tcontigsumsize %d\n",
+ afs.fs_maxsymlinklen, afs.fs_trackskew, afs.fs_interleave,
+ afs.fs_contigsumsize);
+ printf("nindir\t%d\tinopb\t%d\tnspf\t%d\n",
+ afs.fs_nindir, afs.fs_inopb, afs.fs_nspf);
+ printf("sblkno\t%d\tcblkno\t%d\tiblkno\t%d\tdblkno\t%d\n",
+ afs.fs_sblkno, afs.fs_cblkno, afs.fs_iblkno, afs.fs_dblkno);
+ printf("sbsize\t%d\tcgsize\t%d\tcgoffset %d\tcgmask\t0x%08x\n",
+ afs.fs_sbsize, afs.fs_cgsize, afs.fs_cgoffset, afs.fs_cgmask);
+ printf("csaddr\t%d\tcssize\t%d\tshift\t%d\tmask\t0x%08x\n",
+ afs.fs_csaddr, afs.fs_cssize, afs.fs_csshift, afs.fs_csmask);
+ printf("cgrotor\t%d\tfmod\t%d\tronly\t%d\n",
+ afs.fs_cgrotor, afs.fs_fmod, afs.fs_ronly);
+ if (afs.fs_cpc != 0)
+ printf("blocks available in each of %d rotational positions",
+ afs.fs_nrpos);
+ else
+ printf("insufficient space to maintain rotational tables\n");
+ for (c = 0; c < afs.fs_cpc; c++) {
+ printf("\ncylinder number %d:", c);
+ for (i = 0; i < afs.fs_nrpos; i++) {
+ if (fs_postbl(&afs, c)[i] == -1)
+ continue;
+ printf("\n position %d:\t", i);
+ for (j = fs_postbl(&afs, c)[i], k = 1; ;
+ j += fs_rotbl(&afs)[j], k++) {
+ printf("%5d", j);
+ if (k % 12 == 0)
+ printf("\n\t\t");
+ if (fs_rotbl(&afs)[j] == 0)
+ break;
+ }
+ }
+ }
+ printf("\ncs[].cs_(nbfree,ndir,nifree,nffree):\n\t");
+ for (i = 0, j = 0; i < afs.fs_cssize; i += afs.fs_bsize, j++) {
+ size = afs.fs_cssize - i < afs.fs_bsize ?
+ afs.fs_cssize - i : afs.fs_bsize;
+ afs.fs_csp[j] = calloc(1, size);
+ if (lseek(fd,
+ (off_t)(fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag)) *
+ dev_bsize), SEEK_SET) == (off_t)-1)
+ goto err;
+ if (read(fd, afs.fs_csp[j], size) != size)
+ goto err;
+ }
+ for (i = 0; i < afs.fs_ncg; i++) {
+ struct csum *cs = &afs.fs_cs(&afs, i);
+ if (i && i % 4 == 0)
+ printf("\n\t");
+ printf("(%d,%d,%d,%d) ",
+ cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
+ }
+ printf("\n");
+ if (afs.fs_ncyl % afs.fs_cpg) {
+ printf("cylinders in last group %d\n",
+ i = afs.fs_ncyl % afs.fs_cpg);
+ printf("blocks in last group %d\n",
+ i * afs.fs_spc / NSPB(&afs));
+ }
+ printf("\n");
+ for (i = 0; i < afs.fs_ncg; i++)
+ if (dumpcg(name, fd, i))
+ goto err;
+ (void)close(fd);
+ return (0);
+
+err: if (fd != -1)
+ (void)close(fd);
+ (void)fprintf(stderr, "dumpfs: %s: %s\n", name, strerror(errno));
+ return (1);
+};
+
+int
+dumpcg(name, fd, c)
+ char *name;
+ int fd, c;
+{
+ off_t cur;
+ int i, j;
+
+ printf("\ncg %d:\n", c);
+ if ((cur = lseek(fd, (off_t)(fsbtodb(&afs, cgtod(&afs, c)) * dev_bsize),
+ SEEK_SET)) == (off_t)-1)
+ return (1);
+ if (read(fd, &acg, afs.fs_bsize) != afs.fs_bsize) {
+ (void)fprintf(stderr, "dumpfs: %s: error reading cg\n", name);
+ return (1);
+ }
+ printf("magic\t%x\ttell\t%qx\ttime\t%s",
+ afs.fs_postblformat == FS_42POSTBLFMT ?
+ ((struct ocg *)&acg)->cg_magic : acg.cg_magic,
+ cur, ctime(&acg.cg_time));
+ printf("cgx\t%d\tncyl\t%d\tniblk\t%d\tndblk\t%d\n",
+ acg.cg_cgx, acg.cg_ncyl, acg.cg_niblk, acg.cg_ndblk);
+ printf("nbfree\t%d\tndir\t%d\tnifree\t%d\tnffree\t%d\n",
+ acg.cg_cs.cs_nbfree, acg.cg_cs.cs_ndir,
+ acg.cg_cs.cs_nifree, acg.cg_cs.cs_nffree);
+ printf("rotor\t%d\tirotor\t%d\tfrotor\t%d\nfrsum",
+ acg.cg_rotor, acg.cg_irotor, acg.cg_frotor);
+ for (i = 1, j = 0; i < afs.fs_frag; i++) {
+ printf("\t%d", acg.cg_frsum[i]);
+ j += i * acg.cg_frsum[i];
+ }
+ printf("\nsum of frsum: %d", j);
+ if (afs.fs_contigsumsize > 0) {
+ for (i = 1; i < afs.fs_contigsumsize; i++) {
+ if ((i - 1) % 8 == 0)
+ printf("\nclusters %d-%d:", i,
+ afs.fs_contigsumsize - 1 < i + 7 ?
+ afs.fs_contigsumsize - 1 : i + 7);
+ printf("\t%d", cg_clustersum(&acg)[i]);
+ }
+ printf("\nclusters size %d and over: %d\n",
+ afs.fs_contigsumsize,
+ cg_clustersum(&acg)[afs.fs_contigsumsize]);
+ printf("clusters free:\t");
+ pbits(cg_clustersfree(&acg), acg.cg_nclusterblks);
+ } else
+ printf("\n");
+ printf("iused:\t");
+ pbits(cg_inosused(&acg), afs.fs_ipg);
+ printf("free:\t");
+ pbits(cg_blksfree(&acg), afs.fs_fpg);
+ printf("b:\n");
+ for (i = 0; i < afs.fs_cpg; i++) {
+ if (cg_blktot(&acg)[i] == 0)
+ continue;
+ printf(" c%d:\t(%d)\t", i, cg_blktot(&acg)[i]);
+ for (j = 0; j < afs.fs_nrpos; j++) {
+ if (afs.fs_cpc > 0 &&
+ fs_postbl(&afs, i % afs.fs_cpc)[j] == -1)
+ continue;
+ printf(" %d", cg_blks(&afs, &acg, i)[j]);
+ }
+ printf("\n");
+ }
+ return (0);
+};
+
+void
+pbits(vp, max)
+ register void *vp;
+ int max;
+{
+ register int i;
+ register 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");
+}
+
+void
+usage()
+{
+ (void)fprintf(stderr, "usage: dumpfs filesys | device\n");
+ exit(1);
+}
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