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freebsd/sbin/growfs/debug.c

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/*
* Copyright (c) 2000 Christoph Herrmann, Thomas-Henning von Kamptz
* Copyright (c) 1980, 1989, 1993 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Christoph Herrmann and Thomas-Henning von Kamptz, Munich and Frankfurt.
*
* 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 acknowledgment:
* This product includes software developed by the University of
* California, Berkeley and its contributors, as well as Christoph
* Herrmann and Thomas-Henning von Kamptz.
* 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.
*
* $TSHeader: src/sbin/growfs/debug.c,v 1.3 2000/12/12 19:31:00 tomsoft Exp $
*
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
/* ********************************************************** INCLUDES ***** */
#include <sys/param.h>
#include <stdio.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#include "debug.h"
#ifdef FS_DEBUG
/* *********************************************************** GLOBALS ***** */
static FILE *dbg_log=NULL;
static unsigned int indent=0;
/*
* prototypes not done here, as they come with debug.h
*/
/* ********************************************************** dbg_open ***** */
/*
* Open the filehandle where all debug output has to go.
*/
void
dbg_open(const char *fn)
{
if (strcmp(fn, "-") == 0)
dbg_log=fopen("/dev/stdout", "a");
else
dbg_log=fopen(fn, "a");
return;
}
/* ********************************************************* dbg_close ***** */
/*
* Close the filehandle where all debug output went to.
*/
void
dbg_close(void)
{
if(dbg_log) {
fclose(dbg_log);
dbg_log=NULL;
}
return;
}
/* ****************************************************** dbg_dump_hex ***** */
/*
* Dump out a full file system block in hex.
*/
void
dbg_dump_hex(struct fs *sb, const char *comment, unsigned char *mem)
{
int i, j, k;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START HEXDUMP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)mem, comment);
indent++;
for (i=0; i<sb->fs_bsize; i+=24) {
for (j=0; j<3; j++) {
for (k=0; k<8; k++) {
fprintf(dbg_log, "%02x ", *mem++);
}
fprintf(dbg_log, " ");
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END HEXDUMP =====\n");
return;
}
/* ******************************************************* dbg_dump_fs ***** */
/*
* Dump the superblock.
*/
void
dbg_dump_fs(struct fs *sb, const char *comment)
{
#ifdef FSMAXSNAP
int j;
#endif /* FSMAXSNAP */
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START SUPERBLOCK =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)sb, comment);
indent++;
fprintf(dbg_log, "sblkno ufs_daddr_t 0x%08x\n",
sb->fs_sblkno);
fprintf(dbg_log, "cblkno ufs_daddr_t 0x%08x\n",
sb->fs_cblkno);
fprintf(dbg_log, "iblkno ufs_daddr_t 0x%08x\n",
sb->fs_iblkno);
fprintf(dbg_log, "dblkno ufs_daddr_t 0x%08x\n",
sb->fs_dblkno);
fprintf(dbg_log, "cgoffset int32_t 0x%08x\n",
sb->fs_cgoffset);
fprintf(dbg_log, "cgmask int32_t 0x%08x\n",
sb->fs_cgmask);
fprintf(dbg_log, "time time_t %10u\n",
(unsigned int)sb->fs_time);
fprintf(dbg_log, "size int32_t 0x%08x\n",
sb->fs_size);
fprintf(dbg_log, "dsize int32_t 0x%08x\n",
sb->fs_dsize);
fprintf(dbg_log, "ncg int32_t 0x%08x\n",
sb->fs_ncg);
fprintf(dbg_log, "bsize int32_t 0x%08x\n",
sb->fs_bsize);
fprintf(dbg_log, "fsize int32_t 0x%08x\n",
sb->fs_fsize);
fprintf(dbg_log, "frag int32_t 0x%08x\n",
sb->fs_frag);
fprintf(dbg_log, "minfree int32_t 0x%08x\n",
sb->fs_minfree);
fprintf(dbg_log, "rotdelay int32_t 0x%08x\n",
sb->fs_rotdelay);
fprintf(dbg_log, "rps int32_t 0x%08x\n",
sb->fs_rps);
fprintf(dbg_log, "bmask int32_t 0x%08x\n",
sb->fs_bmask);
fprintf(dbg_log, "fmask int32_t 0x%08x\n",
sb->fs_fmask);
fprintf(dbg_log, "bshift int32_t 0x%08x\n",
sb->fs_bshift);
fprintf(dbg_log, "fshift int32_t 0x%08x\n",
sb->fs_fshift);
fprintf(dbg_log, "maxcontig int32_t 0x%08x\n",
sb->fs_maxcontig);
fprintf(dbg_log, "maxbpg int32_t 0x%08x\n",
sb->fs_maxbpg);
fprintf(dbg_log, "fragshift int32_t 0x%08x\n",
sb->fs_fragshift);
fprintf(dbg_log, "fsbtodb int32_t 0x%08x\n",
sb->fs_fsbtodb);
fprintf(dbg_log, "sbsize int32_t 0x%08x\n",
sb->fs_sbsize);
fprintf(dbg_log, "csmask int32_t 0x%08x\n",
sb->fs_csmask);
fprintf(dbg_log, "csshift int32_t 0x%08x\n",
sb->fs_csshift);
fprintf(dbg_log, "nindir int32_t 0x%08x\n",
sb->fs_nindir);
fprintf(dbg_log, "inopb int32_t 0x%08x\n",
sb->fs_inopb);
fprintf(dbg_log, "nspf int32_t 0x%08x\n",
sb->fs_nspf);
fprintf(dbg_log, "optim int32_t 0x%08x\n",
sb->fs_optim);
fprintf(dbg_log, "npsect int32_t 0x%08x\n",
sb->fs_npsect);
fprintf(dbg_log, "interleave int32_t 0x%08x\n",
sb->fs_interleave);
fprintf(dbg_log, "trackskew int32_t 0x%08x\n",
sb->fs_trackskew);
fprintf(dbg_log, "id int32_t[2] %08x %08x\n",
sb->fs_id[0], sb->fs_id[1]);
fprintf(dbg_log, "csaddr ufs_daddr_t 0x%08x\n",
sb->fs_csaddr);
fprintf(dbg_log, "cssize int32_t 0x%08x\n",
sb->fs_cssize);
fprintf(dbg_log, "cgsize int32_t 0x%08x\n",
sb->fs_cgsize);
fprintf(dbg_log, "ntrak int32_t 0x%08x\n",
sb->fs_ntrak);
fprintf(dbg_log, "nsect int32_t 0x%08x\n",
sb->fs_nsect);
fprintf(dbg_log, "spc int32_t 0x%08x\n",
sb->fs_spc);
fprintf(dbg_log, "ncyl int32_t 0x%08x\n",
sb->fs_ncyl);
fprintf(dbg_log, "cpg int32_t 0x%08x\n",
sb->fs_cpg);
fprintf(dbg_log, "ipg int32_t 0x%08x\n",
sb->fs_ipg);
fprintf(dbg_log, "fpg int32_t 0x%08x\n",
sb->fs_fpg);
dbg_dump_csum("internal cstotal", &sb->fs_cstotal);
fprintf(dbg_log, "fmod int8_t 0x%02x\n",
sb->fs_fmod);
fprintf(dbg_log, "clean int8_t 0x%02x\n",
sb->fs_clean);
fprintf(dbg_log, "ronly int8_t 0x%02x\n",
sb->fs_ronly);
fprintf(dbg_log, "flags int8_t 0x%02x\n",
sb->fs_flags);
fprintf(dbg_log, "fsmnt u_char[MAXMNTLEN] \"%s\"\n",
sb->fs_fsmnt);
fprintf(dbg_log, "cgrotor int32_t 0x%08x\n",
sb->fs_cgrotor);
/*
* struct csum[MAXCSBUFS] - is only maintained in memory
*/
/* fprintf(dbg_log, " int32_t\n", sb->*fs_maxcluster);*/
fprintf(dbg_log, "cpc int32_t 0x%08x\n",
sb->fs_cpc);
/*
* int16_t fs_opostbl[16][8] - is dumped when used in dbg_dump_sptbl
*/
#ifdef FSMAXSNAP
for(j=0; j<FSMAXSNAP; j++) {
fprintf(dbg_log, "snapinum int32_t[%2d] 0x%08x\n",
j, sb->fs_snapinum[j]);
if(!sb->fs_snapinum[j]) { /* list is dense */
break;
}
}
#endif /* FSMAXSNAP */
fprintf(dbg_log, "contigsumsize int32_t 0x%08x\n",
sb->fs_contigsumsize);
fprintf(dbg_log, "maxsymlinklen int32_t 0x%08x\n",
sb->fs_maxsymlinklen);
fprintf(dbg_log, "inodefmt int32_t 0x%08x\n",
sb->fs_inodefmt);
fprintf(dbg_log, "maxfilesize u_int64_t 0x%08x%08x\n",
((unsigned int *)&(sb->fs_maxfilesize))[1],
((unsigned int *)&(sb->fs_maxfilesize))[0]);
fprintf(dbg_log, "qbmask int64_t 0x%08x%08x\n",
((unsigned int *)&(sb->fs_qbmask))[1],
((unsigned int *)&(sb->fs_qbmask))[0]);
fprintf(dbg_log, "qfmask int64_t 0x%08x%08x\n",
((unsigned int *)&(sb->fs_qfmask))[1],
((unsigned int *)&(sb->fs_qfmask))[0]);
fprintf(dbg_log, "state int32_t 0x%08x\n",
sb->fs_state);
fprintf(dbg_log, "postblformat int32_t 0x%08x\n",
sb->fs_postblformat);
fprintf(dbg_log, "nrpos int32_t 0x%08x\n",
sb->fs_nrpos);
fprintf(dbg_log, "postbloff int32_t 0x%08x\n",
sb->fs_postbloff);
fprintf(dbg_log, "rotbloff int32_t 0x%08x\n",
sb->fs_rotbloff);
fprintf(dbg_log, "magic int32_t 0x%08x\n",
sb->fs_magic);
indent--;
fprintf(dbg_log, "===== END SUPERBLOCK =====\n");
return;
}
/* ******************************************************* dbg_dump_cg ***** */
/*
* Dump a cylinder group.
*/
void
dbg_dump_cg(const char *comment, struct cg *cgr)
{
int j;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START CYLINDER GROUP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
fprintf(dbg_log, "magic int32_t 0x%08x\n", cgr->cg_magic);
fprintf(dbg_log, "time time_t %10u\n", (unsigned int)
cgr->cg_time);
fprintf(dbg_log, "cgx int32_t 0x%08x\n", cgr->cg_cgx);
fprintf(dbg_log, "ncyl int16_t 0x%04x\n", cgr->cg_ncyl);
fprintf(dbg_log, "niblk int16_t 0x%04x\n", cgr->cg_niblk);
fprintf(dbg_log, "ndblk int32_t 0x%08x\n", cgr->cg_ndblk);
dbg_dump_csum("internal cs", &cgr->cg_cs);
fprintf(dbg_log, "rotor int32_t 0x%08x\n", cgr->cg_rotor);
fprintf(dbg_log, "frotor int32_t 0x%08x\n", cgr->cg_frotor);
fprintf(dbg_log, "irotor int32_t 0x%08x\n", cgr->cg_irotor);
for(j=0; j<MAXFRAG; j++) {
fprintf(dbg_log, "frsum int32_t[%d] 0x%08x\n", j,
cgr->cg_frsum[j]);
}
fprintf(dbg_log, "btotoff int32_t 0x%08x\n", cgr->cg_btotoff);
fprintf(dbg_log, "boff int32_t 0x%08x\n", cgr->cg_boff);
fprintf(dbg_log, "iusedoff int32_t 0x%08x\n", cgr->cg_iusedoff);
fprintf(dbg_log, "freeoff int32_t 0x%08x\n", cgr->cg_freeoff);
fprintf(dbg_log, "nextfreeoff int32_t 0x%08x\n",
cgr->cg_nextfreeoff);
fprintf(dbg_log, "clustersumoff int32_t 0x%08x\n",
cgr->cg_clustersumoff);
fprintf(dbg_log, "clusterof int32_t 0x%08x\n",
cgr->cg_clusteroff);
fprintf(dbg_log, "nclusterblks int32_t 0x%08x\n",
cgr->cg_nclusterblks);
indent--;
fprintf(dbg_log, "===== END CYLINDER GROUP =====\n");
return;
}
/* ***************************************************** dbg_dump_csum ***** */
/*
* Dump a cylinder summary.
*/
void
dbg_dump_csum(const char *comment, struct csum *cs)
{
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START CYLINDER SUMMARY =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cs, comment);
indent++;
fprintf(dbg_log, "ndir int32_t 0x%08x\n", cs->cs_ndir);
fprintf(dbg_log, "nbfree int32_t 0x%08x\n", cs->cs_nbfree);
fprintf(dbg_log, "nifree int32_t 0x%08x\n", cs->cs_nifree);
fprintf(dbg_log, "nffree int32_t 0x%08x\n", cs->cs_nffree);
indent--;
fprintf(dbg_log, "===== END CYLINDER SUMMARY =====\n");
return;
}
/* **************************************************** dbg_dump_inmap ***** */
/*
* Dump the inode allocation map in one cylinder group.
*/
void
dbg_dump_inmap(struct fs *sb, const char *comment, struct cg *cgr)
{
int j,k,l,e;
unsigned char *cp;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START INODE ALLOCATION MAP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
cp=(unsigned char *)cg_inosused(cgr);
e=sb->fs_ipg/8;
for(j=0; j<e; j+=32) {
fprintf(dbg_log, "%08x: ", j);
for(k=0; k<32; k+=8) {
if(j+k+8<e) {
fprintf(dbg_log,
"%02x%02x%02x%02x%02x%02x%02x%02x ",
cp[0], cp[1], cp[2], cp[3],
cp[4], cp[5], cp[6], cp[7]);
} else {
for(l=0; (l<8)&&(j+k+l<e); l++) {
fprintf(dbg_log, "%02x", cp[l]);
}
}
cp+=8;
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END INODE ALLOCATION MAP =====\n");
return;
}
/* **************************************************** dbg_dump_frmap ***** */
/*
* Dump the fragment allocation map in one cylinder group.
*/
void
dbg_dump_frmap(struct fs *sb, const char *comment, struct cg *cgr)
{
int j,k,l,e;
unsigned char *cp;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START FRAGMENT ALLOCATION MAP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
cp=(unsigned char *)cg_blksfree(cgr);
e=howmany((sb->fs_cpg * sb->fs_spc / NSPF(sb)), NBBY);
for(j=0; j<e; j+=32) {
fprintf(dbg_log, "%08x: ", j);
for(k=0; k<32; k+=8) {
if(j+k+8<e) {
fprintf(dbg_log,
"%02x%02x%02x%02x%02x%02x%02x%02x ",
cp[0], cp[1], cp[2], cp[3],
cp[4], cp[5], cp[6], cp[7]);
} else {
for(l=0; (l<8)&&(j+k+l<e); l++) {
fprintf(dbg_log, "%02x", cp[l]);
}
}
cp+=8;
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END FRAGMENT ALLOCATION MAP =====\n");
return;
}
/* **************************************************** dbg_dump_clmap ***** */
/*
* Dump the cluster allocation map in one cylinder group.
*/
void
dbg_dump_clmap(struct fs *sb, const char *comment, struct cg *cgr)
{
int j,k,l,e;
unsigned char *cp;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START CLUSTER ALLOCATION MAP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
cp=(unsigned char *)cg_clustersfree(cgr);
e=howmany(sb->fs_cpg * sb->fs_spc / NSPB(sb), NBBY);
for(j=0; j<e; j+=32) {
fprintf(dbg_log, "%08x: ", j);
for(k=0; k<32; k+=8) {
if(j+k+8<e) {
fprintf(dbg_log,
"%02x%02x%02x%02x%02x%02x%02x%02x ",
cp[0], cp[1], cp[2], cp[3],
cp[4], cp[5], cp[6], cp[7]);
} else {
for(l=0; (l<8)&&(j+k+l<e); l++) {
fprintf(dbg_log, "%02x", cp[l]);
}
}
cp+=8;
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END CLUSTER ALLOCATION MAP =====\n");
return;
}
/* **************************************************** dbg_dump_clsum ***** */
/*
* Dump the cluster availability summary of one cylinder group.
*/
void
dbg_dump_clsum(struct fs *sb, const char *comment, struct cg *cgr)
{
int j;
int *ip;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START CLUSTER SUMMARY =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
ip=(int *)cg_clustersum(cgr);
for(j=0; j<=sb->fs_contigsumsize; j++) {
fprintf(dbg_log, "%02d: %8d\n", j, *ip++);
}
indent--;
fprintf(dbg_log, "===== END CLUSTER SUMMARY =====\n");
return;
}
/* **************************************************** dbg_dump_sptbl ***** */
/*
* Dump the block summary, and the rotational layout table.
*/
void
dbg_dump_sptbl(struct fs *sb, const char *comment, struct cg *cgr)
{
int j,k;
int *ip;
if(!dbg_log) {
return;
}
fprintf(dbg_log,
"===== START BLOCK SUMMARY AND POSITION TABLE =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)cgr, comment);
indent++;
ip=(int *)cg_blktot(cgr);
for(j=0; j<sb->fs_cpg; j++) {
fprintf(dbg_log, "%2d: %5d = ", j, *ip++);
for(k=0; k<sb->fs_nrpos; k++) {
fprintf(dbg_log, "%4d", cg_blks(sb, cgr, j)[k]);
if(k<sb->fs_nrpos-1) {
fprintf(dbg_log, " + ");
}
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END BLOCK SUMMARY AND POSITION TABLE =====\n");
return;
}
/* ****************************************************** dbg_dump_ino ***** */
/*
* Dump an inode structure.
*/
void
dbg_dump_ino(struct fs *sb, const char *comment, struct dinode *ino)
{
int ictr;
int remaining_blocks;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START INODE DUMP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)ino, comment);
indent++;
fprintf(dbg_log, "mode u_int16_t 0%o\n", ino->di_mode);
fprintf(dbg_log, "nlink int16_t 0x%04x\n", ino->di_nlink);
fprintf(dbg_log, "size u_int64_t 0x%08x%08x\n",
((unsigned int *)&(ino->di_size))[1],
((unsigned int *)&(ino->di_size))[0]);
fprintf(dbg_log, "atime int32_t 0x%08x\n", ino->di_atime);
fprintf(dbg_log, "atimensec int32_t 0x%08x\n",
ino->di_atimensec);
fprintf(dbg_log, "mtime int32_t 0x%08x\n",
ino->di_mtime);
fprintf(dbg_log, "mtimensec int32_t 0x%08x\n",
ino->di_mtimensec);
fprintf(dbg_log, "ctime int32_t 0x%08x\n", ino->di_ctime);
fprintf(dbg_log, "ctimensec int32_t 0x%08x\n",
ino->di_ctimensec);
remaining_blocks=howmany(ino->di_size, sb->fs_bsize); /* XXX ts - +1? */
for(ictr=0; ictr < MIN(NDADDR, remaining_blocks); ictr++) {
fprintf(dbg_log, "db ufs_daddr_t[%x] 0x%08x\n", ictr,
ino->di_db[ictr]);
}
remaining_blocks-=NDADDR;
if(remaining_blocks>0) {
fprintf(dbg_log, "ib ufs_daddr_t[0] 0x%08x\n",
ino->di_ib[0]);
}
remaining_blocks-=howmany(sb->fs_bsize, sizeof(ufs_daddr_t));
if(remaining_blocks>0) {
fprintf(dbg_log, "ib ufs_daddr_t[1] 0x%08x\n",
ino->di_ib[1]);
}
#define SQUARE(a) ((a)*(a))
remaining_blocks-=SQUARE(howmany(sb->fs_bsize, sizeof(ufs_daddr_t)));
#undef SQUARE
if(remaining_blocks>0) {
fprintf(dbg_log, "ib ufs_daddr_t[2] 0x%08x\n",
ino->di_ib[2]);
}
fprintf(dbg_log, "flags u_int32_t 0x%08x\n", ino->di_flags);
fprintf(dbg_log, "blocks int32_t 0x%08x\n", ino->di_blocks);
fprintf(dbg_log, "gen int32_t 0x%08x\n", ino->di_gen);
fprintf(dbg_log, "uid u_int32_t 0x%08x\n", ino->di_uid);
fprintf(dbg_log, "gid u_int32_t 0x%08x\n", ino->di_gid);
indent--;
fprintf(dbg_log, "===== END INODE DUMP =====\n");
return;
}
/* ***************************************************** dbg_dump_iblk ***** */
/*
* Dump an indirect block. The iteration to dump a full file has to be
* written around.
*/
void
dbg_dump_iblk(struct fs *sb, const char *comment, char *block, size_t length)
{
unsigned int *mem;
int i, j;
if(!dbg_log) {
return;
}
fprintf(dbg_log, "===== START INDIRECT BLOCK DUMP =====\n");
fprintf(dbg_log, "# %d@%lx: %s\n", indent, (unsigned long)block,
comment);
indent++;
mem=(unsigned int *)block;
for (i=0; (size_t)i<MIN(howmany(sb->fs_bsize, sizeof(ufs_daddr_t)),
length); i+=8) {
fprintf(dbg_log, "%04x: ", i);
for (j=0; j<8; j++) {
if((size_t)(i+j)<length) {
fprintf(dbg_log, "%08X ", *mem++);
}
}
fprintf(dbg_log, "\n");
}
indent--;
fprintf(dbg_log, "===== END INDIRECT BLOCK DUMP =====\n");
return;
}
#endif /* FS_DEBUG */
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