238 lines
7.5 KiB
C
238 lines
7.5 KiB
C
/*
|
|
* Copyright (c) 1980, 1986 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 sccsid[] = "@(#)pass5.c 5.13 (Berkeley) 7/20/90";
|
|
static char rcsid[] = "$Header: /cvsroot/src/sbin/fsck/Attic/pass5.c,v 1.3 1993/03/23 00:28:09 cgd Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <ufs/dinode.h>
|
|
#include <ufs/fs.h>
|
|
#include <string.h>
|
|
#include "fsck.h"
|
|
|
|
pass5()
|
|
{
|
|
int c, blk, frags, basesize, sumsize, mapsize, savednrpos;
|
|
register struct fs *fs = &sblock;
|
|
register struct cg *cg = &cgrp;
|
|
daddr_t dbase, dmax;
|
|
register daddr_t d;
|
|
register long i, j;
|
|
struct csum *cs;
|
|
time_t now;
|
|
struct csum cstotal;
|
|
struct inodesc idesc[3];
|
|
char buf[MAXBSIZE];
|
|
register struct cg *newcg = (struct cg *)buf;
|
|
struct ocg *ocg = (struct ocg *)buf;
|
|
|
|
bzero((char *)newcg, (size_t)fs->fs_cgsize);
|
|
newcg->cg_niblk = fs->fs_ipg;
|
|
switch ((int)fs->fs_postblformat) {
|
|
|
|
case FS_42POSTBLFMT:
|
|
basesize = (char *)(&ocg->cg_btot[0]) - (char *)(&ocg->cg_link);
|
|
sumsize = &ocg->cg_iused[0] - (char *)(&ocg->cg_btot[0]);
|
|
mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] -
|
|
(u_char *)&ocg->cg_iused[0];
|
|
ocg->cg_magic = CG_MAGIC;
|
|
savednrpos = fs->fs_nrpos;
|
|
fs->fs_nrpos = 8;
|
|
break;
|
|
|
|
case FS_DYNAMICPOSTBLFMT:
|
|
newcg->cg_btotoff =
|
|
&newcg->cg_space[0] - (u_char *)(&newcg->cg_link);
|
|
newcg->cg_boff =
|
|
newcg->cg_btotoff + fs->fs_cpg * sizeof(long);
|
|
newcg->cg_iusedoff = newcg->cg_boff +
|
|
fs->fs_cpg * fs->fs_nrpos * sizeof(short);
|
|
newcg->cg_freeoff =
|
|
newcg->cg_iusedoff + howmany(fs->fs_ipg, NBBY);
|
|
newcg->cg_nextfreeoff = newcg->cg_freeoff +
|
|
howmany(fs->fs_cpg * fs->fs_spc / NSPF(fs),
|
|
NBBY);
|
|
newcg->cg_magic = CG_MAGIC;
|
|
basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_link);
|
|
sumsize = newcg->cg_iusedoff - newcg->cg_btotoff;
|
|
mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
|
|
break;
|
|
|
|
default:
|
|
errexit("UNKNOWN ROTATIONAL TABLE FORMAT %d\n",
|
|
fs->fs_postblformat);
|
|
}
|
|
bzero((char *)&idesc[0], sizeof idesc);
|
|
for (i = 0; i < 3; i++)
|
|
idesc[i].id_type = ADDR;
|
|
bzero((char *)&cstotal, sizeof(struct csum));
|
|
(void)time(&now);
|
|
j = blknum(fs, fs->fs_size + fs->fs_frag - 1);
|
|
for (i = fs->fs_size; i < j; i++)
|
|
setbmap(i);
|
|
for (c = 0; c < fs->fs_ncg; c++) {
|
|
getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize);
|
|
if (!cg_chkmagic(cg))
|
|
pfatal("CG %d: BAD MAGIC NUMBER\n", c);
|
|
dbase = cgbase(fs, c);
|
|
dmax = dbase + fs->fs_fpg;
|
|
if (dmax > fs->fs_size)
|
|
dmax = fs->fs_size;
|
|
if (now > cg->cg_time)
|
|
newcg->cg_time = cg->cg_time;
|
|
else
|
|
newcg->cg_time = now;
|
|
newcg->cg_cgx = c;
|
|
if (c == fs->fs_ncg - 1)
|
|
newcg->cg_ncyl = fs->fs_ncyl % fs->fs_cpg;
|
|
else
|
|
newcg->cg_ncyl = fs->fs_cpg;
|
|
newcg->cg_ndblk = dmax - dbase;
|
|
newcg->cg_cs.cs_ndir = 0;
|
|
newcg->cg_cs.cs_nffree = 0;
|
|
newcg->cg_cs.cs_nbfree = 0;
|
|
newcg->cg_cs.cs_nifree = fs->fs_ipg;
|
|
if (cg->cg_rotor < newcg->cg_ndblk)
|
|
newcg->cg_rotor = cg->cg_rotor;
|
|
else
|
|
newcg->cg_rotor = 0;
|
|
if (cg->cg_frotor < newcg->cg_ndblk)
|
|
newcg->cg_frotor = cg->cg_frotor;
|
|
else
|
|
newcg->cg_frotor = 0;
|
|
if (cg->cg_irotor < newcg->cg_niblk)
|
|
newcg->cg_irotor = cg->cg_irotor;
|
|
else
|
|
newcg->cg_irotor = 0;
|
|
bzero((char *)&newcg->cg_frsum[0], sizeof newcg->cg_frsum);
|
|
bzero((char *)&cg_blktot(newcg)[0],
|
|
(size_t)(sumsize + mapsize));
|
|
if (fs->fs_postblformat == FS_42POSTBLFMT)
|
|
ocg->cg_magic = CG_MAGIC;
|
|
j = fs->fs_ipg * c;
|
|
for (i = 0; i < fs->fs_ipg; j++, i++) {
|
|
switch (statemap[j]) {
|
|
|
|
case USTATE:
|
|
break;
|
|
|
|
case DSTATE:
|
|
case DCLEAR:
|
|
case DFOUND:
|
|
newcg->cg_cs.cs_ndir++;
|
|
/* fall through */
|
|
|
|
case FSTATE:
|
|
case FCLEAR:
|
|
newcg->cg_cs.cs_nifree--;
|
|
setbit(cg_inosused(newcg), i);
|
|
break;
|
|
|
|
default:
|
|
if (j < ROOTINO)
|
|
break;
|
|
errexit("BAD STATE %d FOR INODE I=%d",
|
|
statemap[j], j);
|
|
}
|
|
}
|
|
if (c == 0)
|
|
for (i = 0; i < ROOTINO; i++) {
|
|
setbit(cg_inosused(newcg), i);
|
|
newcg->cg_cs.cs_nifree--;
|
|
}
|
|
for (i = 0, d = dbase;
|
|
d < dmax;
|
|
d += fs->fs_frag, i += fs->fs_frag) {
|
|
frags = 0;
|
|
for (j = 0; j < fs->fs_frag; j++) {
|
|
if (testbmap(d + j))
|
|
continue;
|
|
setbit(cg_blksfree(newcg), i + j);
|
|
frags++;
|
|
}
|
|
if (frags == fs->fs_frag) {
|
|
newcg->cg_cs.cs_nbfree++;
|
|
j = cbtocylno(fs, i);
|
|
cg_blktot(newcg)[j]++;
|
|
cg_blks(fs, newcg, j)[cbtorpos(fs, i)]++;
|
|
} else if (frags > 0) {
|
|
newcg->cg_cs.cs_nffree += frags;
|
|
blk = blkmap(fs, cg_blksfree(newcg), i);
|
|
fragacct(fs, blk, newcg->cg_frsum, 1);
|
|
}
|
|
}
|
|
cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
|
|
cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
|
|
cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
|
|
cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
|
|
cs = &fs->fs_cs(fs, c);
|
|
if (bcmp((char *)&newcg->cg_cs, (char *)cs, sizeof *cs) != 0 &&
|
|
dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
|
|
bcopy((char *)&newcg->cg_cs, (char *)cs, sizeof *cs);
|
|
sbdirty();
|
|
}
|
|
if (cvtflag) {
|
|
bcopy((char *)newcg, (char *)cg, (size_t)fs->fs_cgsize);
|
|
cgdirty();
|
|
continue;
|
|
}
|
|
if (bcmp(cg_inosused(newcg),
|
|
cg_inosused(cg), mapsize) != 0 &&
|
|
dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) {
|
|
bcopy(cg_inosused(newcg), cg_inosused(cg),
|
|
(size_t)mapsize);
|
|
cgdirty();
|
|
}
|
|
if ((bcmp((char *)newcg, (char *)cg, basesize) != 0 ||
|
|
bcmp((char *)&cg_blktot(newcg)[0],
|
|
(char *)&cg_blktot(cg)[0], sumsize) != 0) &&
|
|
dofix(&idesc[2], "SUMMARY INFORMATION BAD")) {
|
|
bcopy((char *)newcg, (char *)cg, (size_t)basesize);
|
|
bcopy((char *)&cg_blktot(newcg)[0],
|
|
(char *)&cg_blktot(cg)[0], (size_t)sumsize);
|
|
cgdirty();
|
|
}
|
|
}
|
|
if (fs->fs_postblformat == FS_42POSTBLFMT)
|
|
fs->fs_nrpos = savednrpos;
|
|
if (bcmp((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs) != 0
|
|
&& dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
|
|
bcopy((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs);
|
|
fs->fs_ronly = 0;
|
|
fs->fs_fmod = 0;
|
|
sbdirty();
|
|
}
|
|
}
|