166 lines
6.8 KiB
C
166 lines
6.8 KiB
C
/*
|
|
* 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.
|
|
* 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.
|
|
*/
|
|
|
|
#if 0
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1986, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/14/95";
|
|
#endif /* not lint */
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ffs/fs.h>
|
|
#include <string.h>
|
|
#include "fsck.h"
|
|
|
|
long readcnt[BT_NUMBUFTYPES];
|
|
long totalreadcnt[BT_NUMBUFTYPES];
|
|
struct timespec readtime[BT_NUMBUFTYPES];
|
|
struct timespec totalreadtime[BT_NUMBUFTYPES];
|
|
struct timespec startprog;
|
|
struct bufarea sblk; /* file system superblock */
|
|
struct bufarea *pdirbp; /* current directory contents */
|
|
struct bufarea *pbp; /* current inode block */
|
|
ino_t cursnapshot;
|
|
long numdirs, dirhash, listmax, inplast;
|
|
long countdirs; /* number of directories we actually found */
|
|
int adjrefcnt[MIBSIZE]; /* MIB command to adjust inode reference cnt */
|
|
int adjblkcnt[MIBSIZE]; /* MIB command to adjust inode block count */
|
|
int adjndir[MIBSIZE]; /* MIB command to adjust number of directories */
|
|
int adjnbfree[MIBSIZE]; /* MIB command to adjust number of free blocks */
|
|
int adjnifree[MIBSIZE]; /* MIB command to adjust number of free inodes */
|
|
int adjnffree[MIBSIZE]; /* MIB command to adjust number of free frags */
|
|
int adjnumclusters[MIBSIZE]; /* MIB command to adjust number of free clusters */
|
|
int freefiles[MIBSIZE]; /* MIB command to free a set of files */
|
|
int freedirs[MIBSIZE]; /* MIB command to free a set of directories */
|
|
int freeblks[MIBSIZE]; /* MIB command to free a set of data blocks */
|
|
struct fsck_cmd cmd; /* sysctl file system update commands */
|
|
char snapname[BUFSIZ]; /* when doing snapshots, the name of the file */
|
|
char *cdevname; /* name of device being checked */
|
|
long dev_bsize; /* computed value of DEV_BSIZE */
|
|
long secsize; /* actual disk sector size */
|
|
u_int real_dev_bsize; /* actual disk sector size, not overriden */
|
|
char nflag; /* assume a no response */
|
|
char yflag; /* assume a yes response */
|
|
int bkgrdflag; /* use a snapshot to run on an active system */
|
|
int bflag; /* location of alternate super block */
|
|
int debug; /* output debugging info */
|
|
int Eflag; /* delete empty data blocks */
|
|
int Zflag; /* zero empty data blocks */
|
|
int inoopt; /* trim out unused inodes */
|
|
char ckclean; /* only do work if not cleanly unmounted */
|
|
int cvtlevel; /* convert to newer file system format */
|
|
int bkgrdcheck; /* determine if background check is possible */
|
|
int bkgrdsumadj; /* whether the kernel have ability to adjust superblock summary */
|
|
char usedsoftdep; /* just fix soft dependency inconsistencies */
|
|
char preen; /* just fix normal inconsistencies */
|
|
char rerun; /* rerun fsck. Only used in non-preen mode */
|
|
int returntosingle; /* 1 => return to single user mode on exit */
|
|
char resolved; /* cleared if unresolved changes => not clean */
|
|
char havesb; /* superblock has been read */
|
|
char skipclean; /* skip clean file systems if preening */
|
|
int fsmodified; /* 1 => write done to file system */
|
|
int fsreadfd; /* file descriptor for reading file system */
|
|
int fswritefd; /* file descriptor for writing file system */
|
|
int surrender; /* Give up if reads fail */
|
|
int wantrestart; /* Restart fsck on early termination */
|
|
ufs2_daddr_t maxfsblock; /* number of blocks in the file system */
|
|
char *blockmap; /* ptr to primary blk allocation map */
|
|
ino_t maxino; /* number of inodes in file system */
|
|
ino_t lfdir; /* lost & found directory inode number */
|
|
const char *lfname; /* lost & found directory name */
|
|
int lfmode; /* lost & found directory creation mode */
|
|
ufs2_daddr_t n_blks; /* number of blocks in use */
|
|
ino_t n_files; /* number of files in use */
|
|
volatile sig_atomic_t got_siginfo; /* received a SIGINFO */
|
|
volatile sig_atomic_t got_sigalarm; /* received a SIGALRM */
|
|
struct ufs1_dinode ufs1_zino;
|
|
struct ufs2_dinode ufs2_zino;
|
|
|
|
void
|
|
fsckinit(void)
|
|
{
|
|
bzero(readcnt, sizeof(long) * BT_NUMBUFTYPES);
|
|
bzero(totalreadcnt, sizeof(long) * BT_NUMBUFTYPES);
|
|
bzero(readtime, sizeof(struct timespec) * BT_NUMBUFTYPES);
|
|
bzero(totalreadtime, sizeof(struct timespec) * BT_NUMBUFTYPES);
|
|
bzero(&startprog, sizeof(struct timespec));;
|
|
bzero(&sblk, sizeof(struct bufarea));
|
|
pdirbp = NULL;
|
|
pbp = NULL;
|
|
cursnapshot = 0;
|
|
numdirs = dirhash = listmax = inplast = 0;
|
|
countdirs = 0;
|
|
bzero(adjrefcnt, sizeof(int) * MIBSIZE);
|
|
bzero(adjblkcnt, sizeof(int) * MIBSIZE);
|
|
bzero(adjndir, sizeof(int) * MIBSIZE);
|
|
bzero(adjnbfree, sizeof(int) * MIBSIZE);
|
|
bzero(adjnifree, sizeof(int) * MIBSIZE);
|
|
bzero(adjnffree, sizeof(int) * MIBSIZE);
|
|
bzero(adjnumclusters, sizeof(int) * MIBSIZE);
|
|
bzero(freefiles, sizeof(int) * MIBSIZE);
|
|
bzero(freedirs, sizeof(int) * MIBSIZE);
|
|
bzero(freeblks, sizeof(int) * MIBSIZE);
|
|
bzero(&cmd, sizeof(struct fsck_cmd));
|
|
bzero(snapname, sizeof(char) * BUFSIZ);
|
|
cdevname = NULL;
|
|
dev_bsize = 0;
|
|
secsize = 0;
|
|
real_dev_bsize = 0;
|
|
bkgrdsumadj = 0;
|
|
usedsoftdep = 0;
|
|
rerun = 0;
|
|
returntosingle = 0;
|
|
resolved = 0;
|
|
havesb = 0;
|
|
fsmodified = 0;
|
|
fsreadfd = 0;
|
|
fswritefd = 0;
|
|
maxfsblock = 0;
|
|
blockmap = NULL;
|
|
maxino = 0;
|
|
lfdir = 0;
|
|
lfname = "lost+found";
|
|
lfmode = 0700;
|
|
n_blks = 0;
|
|
n_files = 0;
|
|
got_siginfo = 0;
|
|
got_sigalarm = 0;
|
|
bzero(&ufs1_zino, sizeof(struct ufs1_dinode));
|
|
bzero(&ufs2_zino, sizeof(struct ufs2_dinode));
|
|
}
|