-static char *sccsid = "@(#)dumpfs.c 1.1 (Berkeley) %G%";
+static char *sccsid = "@(#)dumpfs.c 2.3 (Berkeley) %G%";
+
+#ifndef SIMFS
+#include <sys/param.h>
+#include <sys/inode.h>
+#include <sys/fs.h>
+#else
#include "../h/param.h"
+#include "../h/inode.h"
#include "../h/fs.h"
-#include "../h/ino.h"
+#endif
/*
* dumpfs
union {
struct fs fs;
- char pad[BSIZE];
+ char pad[MAXBSIZE];
} fsun;
#define afs fsun.fs
-struct csum *fscs;
-
union {
struct cg cg;
- char pad[BSIZE];
+ char pad[MAXBSIZE];
} cgun;
#define acg cgun.cg
main(argc, argv)
char **argv;
{
- int i;
+ int c, i, j, k, size;
close(0);
if (open(argv[1], 0) != 0)
perror(argv[1]), exit(1);
- lseek(0, SBLOCK*FSIZE, 0);
- if (read(0, &afs, BSIZE) != BSIZE)
+ lseek(0, SBLOCK * DEV_BSIZE, 0);
+ if (read(0, &afs, SBSIZE) != SBSIZE)
perror(argv[1]), exit(1);
- printf("magic\t%x\n", afs.fs_magic);
- printf("sblkno\t%d\n", afs.fs_sblkno);
- printf("time\t%s", ctime(&afs.fs_time));
- printf("size\t%d\n", afs.fs_size);
- printf("ncg\t%d\n", afs.fs_ncg);
- printf("cssize\t%d\n", afs.fs_cssize);
- printf("cgsize\t%d\n", afs.fs_cgsize);
- printf("ntrak\t%d\nnsect\t%d\nspc\t%d\nncyl\t%d\n",
+ printf("magic\t%x\ttime\t%s", afs.fs_magic, ctime(&afs.fs_time));
+ 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("cgoffset\t%d\tcgmask\t0x%08x\n",
+ afs.fs_cgoffset, afs.fs_cgmask);
+ printf("ncg\t%d\tsize\t%d\tblocks\t%d\tcgsize\t%d\n",
+ afs.fs_ncg, afs.fs_size, afs.fs_dsize, afs.fs_cgsize);
+ 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\tminfree\t%d%%\tmaxbpg\t%d\n",
+ afs.fs_frag, afs.fs_minfree, afs.fs_maxbpg);
+ printf("maxcontig %d\trotdelay %dms\trps\t%d\n",
+ afs.fs_maxcontig, afs.fs_rotdelay, afs.fs_rps);
+ printf("csaddr\t%d\tcssize\t%d\n", afs.fs_csaddr, afs.fs_cssize);
+ printf("ntrak\t%d\tnsect\t%d\tspc\t%d\tncyl\t%d\n",
afs.fs_ntrak, afs.fs_nsect, afs.fs_spc, afs.fs_ncyl);
- printf("cpg\t%d\nfpg\t%d\nipg\t%d\n",
- afs.fs_cpg, afs.fs_fpg, afs.fs_ipg);
- printf("nffree\t%d\nnbfree\t%d\nnifree\t%d\n",
- afs.fs_nffree, afs.fs_nbfree, afs.fs_nifree);
- printf("cs[].cs_(nbfree,ndir,nifree):\n\t");
- fscs = (struct csum *)calloc(afs.fs_ncg, sizeof (struct csum));
- lseek(0, csaddr(&afs)*FSIZE, 0);
- if (read(0, fscs, cssize(&afs)) != cssize(&afs))
- perror(argv[1]), exit(1);
+ 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("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("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 rotational position");
+ 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 < NRPOS; i++) {
+ if (afs.fs_postbl[c][i] == -1)
+ continue;
+ printf("\n position %d:\t", i);
+ for (j = afs.fs_postbl[c][i], k = 1; ;
+ j += afs.fs_rotbl[j], k++) {
+ printf("%5d", j);
+ if (k % 12 == 0)
+ printf("\n\t\t");
+ if (afs.fs_rotbl[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] = (struct csum *)calloc(1, size);
+ lseek(0, fsbtodb(&afs, (afs.fs_csaddr + j * afs.fs_frag)) *
+ DEV_BSIZE, 0);
+ if (read(0, afs.fs_csp[j], size) != size)
+ perror(argv[1]), exit(1);
+ }
for (i = 0; i < afs.fs_ncg; i++) {
- struct csum *cs = fscs+i;
- if (i && i % 5 == 0)
+ struct csum *cs = &afs.fs_cs(&afs, i);
+ if (i && i % 4 == 0)
printf("\n\t");
- printf("(%d,%d,%d) ",
- cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree);
+ printf("(%d,%d,%d,%d) ",
+ cs->cs_nbfree, cs->cs_ndir, cs->cs_nifree, cs->cs_nffree);
}
printf("\n");
- printf("fmod\t%d\n", afs.fs_fmod);
- printf("ronly\t%d\n", afs.fs_ronly);
+ 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++)
dumpcg(i);
int i,j;
printf("\ncg %d:\n", c);
- lseek(0, cgtod(c,&afs)*FSIZE, 0);
- printf("tell\t%x\n", tell(0));
- if (read(0, (char *)&acg, afs.fs_cgsize) != afs.fs_cgsize) {
+ lseek(0, fsbtodb(&afs, cgtod(&afs, c)) * DEV_BSIZE, 0);
+ i = tell(0);
+ if (read(0, (char *)&acg, afs.fs_bsize) != afs.fs_bsize) {
printf("\terror reading cg\n");
return;
}
- printf("magic\t%x\ntime\t%s", acg.cg_magic, ctime(&acg.cg_time));
- printf("cgx\t%d\nncyl\t%d\nniblk\t%d\nndblk\t%d\n",
+ printf("magic\t%x\ttell\t%x\ttime\t%s",
+ acg.cg_magic, i, 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("nifree\t%d\nndir\t%d\nnffree\t%d\nnbfree\t%d\n",
- acg.cg_nifree, acg.cg_ndir, acg.cg_nffree, acg.cg_nbfree);
- printf("iused:\t");
+ 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\niused:\t", j);
pbits(acg.cg_iused, afs.fs_ipg);
printf("free:\t");
pbits(acg.cg_free, afs.fs_fpg);
printf("b:\n");
for (i = 0; i < afs.fs_cpg; i++) {
- printf(" c%d:\t", i);
+ printf(" c%d:\t(%d)\t", i, acg.cg_btot[i]);
for (j = 0; j < NRPOS; j++)
printf(" %d", acg.cg_b[i][j]);
printf("\n");
}
};
-#define isset(cp,i) (cp)[(i)/NBBY]&(1<<((i)%NBBY))
-
pbits(cp, max)
register char *cp;
int max;
for (i = 0; i < max; i++)
if (isset(cp, i)) {
if (count)
- printf(",%s", count %10 == 9 ? "\n\t" : " ");
+ printf(",%s", count %9 == 8 ? "\n\t" : " ");
count++;
printf("%d", i);
j = i;