165 lines
5.0 KiB
C
165 lines
5.0 KiB
C
/* $NetBSD: pass4.c,v 1.10 2009/10/19 18:41:08 bouyer Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1980, 1986, 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. 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.
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 1997 Manuel Bouyer.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)pass4.c 8.1 (Berkeley) 6/5/93";
|
|
#else
|
|
__RCSID("$NetBSD: pass4.c,v 1.10 2009/10/19 18:41:08 bouyer Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <ufs/ext2fs/ext2fs_dinode.h>
|
|
#include <ufs/ext2fs/ext2fs.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "fsutil.h"
|
|
#include "fsck.h"
|
|
#include "extern.h"
|
|
|
|
void
|
|
pass4(void)
|
|
{
|
|
ino_t inumber;
|
|
struct zlncnt *zlnp;
|
|
struct ext2fs_dinode *dp;
|
|
struct inodesc idesc;
|
|
int n;
|
|
|
|
memset(&idesc, 0, sizeof(struct inodesc));
|
|
idesc.id_type = ADDR;
|
|
idesc.id_func = pass4check;
|
|
for (inumber = EXT2_ROOTINO; inumber <= lastino; inumber++) {
|
|
if (inumber < EXT2_FIRSTINO && inumber > EXT2_ROOTINO)
|
|
continue;
|
|
idesc.id_number = inumber;
|
|
switch (statemap[inumber]) {
|
|
|
|
case FSTATE:
|
|
case DFOUND:
|
|
n = lncntp[inumber];
|
|
if (n)
|
|
adjust(&idesc, (short)n);
|
|
else {
|
|
for (zlnp = zlnhead; zlnp; zlnp = zlnp->next)
|
|
if (zlnp->zlncnt == inumber) {
|
|
zlnp->zlncnt = zlnhead->zlncnt;
|
|
zlnp = zlnhead;
|
|
zlnhead = zlnhead->next;
|
|
free((char *)zlnp);
|
|
clri(&idesc, "UNREF", 1);
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case DSTATE:
|
|
clri(&idesc, "UNREF", 1);
|
|
break;
|
|
|
|
case DCLEAR:
|
|
dp = ginode(inumber);
|
|
if (inosize(dp) == 0) {
|
|
clri(&idesc, "ZERO LENGTH", 1);
|
|
break;
|
|
}
|
|
/* fall through */
|
|
case FCLEAR:
|
|
clri(&idesc, "BAD/DUP", 1);
|
|
break;
|
|
|
|
case USTATE:
|
|
break;
|
|
|
|
default:
|
|
errexit("BAD STATE %d FOR INODE I=%llu",
|
|
statemap[inumber], (unsigned long long)inumber);
|
|
}
|
|
}
|
|
}
|
|
|
|
int
|
|
pass4check(struct inodesc *idesc)
|
|
{
|
|
struct dups *dlp;
|
|
int nfrags, res = KEEPON;
|
|
daddr_t blkno = idesc->id_blkno;
|
|
|
|
for (nfrags = idesc->id_numfrags; nfrags > 0; blkno++, nfrags--) {
|
|
if (chkrange(blkno, 1)) {
|
|
res = SKIP;
|
|
} else if (testbmap(blkno)) {
|
|
for (dlp = duplist; dlp; dlp = dlp->next) {
|
|
if (dlp->dup != blkno)
|
|
continue;
|
|
dlp->dup = duplist->dup;
|
|
dlp = duplist;
|
|
duplist = duplist->next;
|
|
free((char *)dlp);
|
|
break;
|
|
}
|
|
if (dlp == 0) {
|
|
clrbmap(blkno);
|
|
n_blks--;
|
|
}
|
|
}
|
|
}
|
|
return (res);
|
|
}
|