main.c revision 186471
11558Srgrimes/* 21558Srgrimes * Copyright (c) 1980, 1986, 1993 31558Srgrimes * The Regents of the University of California. All rights reserved. 41558Srgrimes * 51558Srgrimes * Redistribution and use in source and binary forms, with or without 61558Srgrimes * modification, are permitted provided that the following conditions 71558Srgrimes * are met: 81558Srgrimes * 1. Redistributions of source code must retain the above copyright 91558Srgrimes * notice, this list of conditions and the following disclaimer. 101558Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111558Srgrimes * notice, this list of conditions and the following disclaimer in the 121558Srgrimes * documentation and/or other materials provided with the distribution. 131558Srgrimes * 4. Neither the name of the University nor the names of its contributors 141558Srgrimes * may be used to endorse or promote products derived from this software 151558Srgrimes * without specific prior written permission. 161558Srgrimes * 171558Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181558Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191558Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201558Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211558Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221558Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231558Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241558Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251558Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261558Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271558Srgrimes * SUCH DAMAGE. 281558Srgrimes */ 291558Srgrimes 30114589Sobrien#if 0 311558Srgrimes#ifndef lint 327585Sbdestatic const char copyright[] = 331558Srgrimes"@(#) Copyright (c) 1980, 1986, 1993\n\ 341558Srgrimes The Regents of the University of California. All rights reserved.\n"; 351558Srgrimes#endif /* not lint */ 361558Srgrimes 371558Srgrimes#ifndef lint 3841477Sjulianstatic char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/14/95"; 39114589Sobrien#endif /* not lint */ 4041477Sjulian#endif 4193103Smarkm#include <sys/cdefs.h> 4293103Smarkm__FBSDID("$FreeBSD: head/sbin/fsck_ffs/main.c 186471 2008-12-24 03:07:19Z obrien $"); 4393103Smarkm 441558Srgrimes#include <sys/param.h> 4555275Speter#include <sys/stat.h> 4675557Smckusick#include <sys/file.h> 471558Srgrimes#include <sys/time.h> 481558Srgrimes#include <sys/mount.h> 4940918Smjacob#include <sys/resource.h> 5086514Siedowse#include <sys/sysctl.h> 51172236Srodrigc#include <sys/uio.h> 5298542Smckusick#include <sys/disklabel.h> 5323675Speter 541558Srgrimes#include <ufs/ufs/dinode.h> 551558Srgrimes#include <ufs/ffs/fs.h> 5623675Speter 5723675Speter#include <err.h> 5855725Speter#include <errno.h> 591558Srgrimes#include <fstab.h> 60120901Smckusick#include <grp.h> 61172236Srodrigc#include <mntopts.h> 6255725Speter#include <paths.h> 63101037Smux#include <stdint.h> 6486514Siedowse#include <string.h> 6523675Speter 661558Srgrimes#include "fsck.h" 671558Srgrimes 6892839Simpstatic void usage(void) __dead2; 69100935Sphkstatic int argtoi(int flag, const char *req, const char *str, int base); 7092839Simpstatic int checkfilesys(char *filesys); 71171800Spjdstatic int chkdoreload(struct statfs *mntp); 7292839Simpstatic struct statfs *getmntpt(const char *); 7323675Speter 747585Sbdeint 7592839Simpmain(int argc, char *argv[]) 761558Srgrimes{ 771558Srgrimes int ch; 7841474Sjulian struct rlimit rlimit; 79126345Sscottl struct itimerval itimerval; 8066861Sadrian int ret = 0; 811558Srgrimes 821558Srgrimes sync(); 8366861Sadrian skipclean = 1; 84178088Sdelphij catastrophicflag = 0; 85178088Sdelphij while ((ch = getopt(argc, argv, "b:Bc:CdfFm:npy")) != -1) { 861558Srgrimes switch (ch) { 871558Srgrimes case 'b': 8866861Sadrian skipclean = 0; 891558Srgrimes bflag = argtoi('b', "number", optarg, 10); 901558Srgrimes printf("Alternate super block location: %d\n", bflag); 911558Srgrimes break; 921558Srgrimes 9374556Smckusick case 'B': 9474556Smckusick bkgrdflag = 1; 9574556Smckusick break; 9674556Smckusick 971558Srgrimes case 'c': 9866861Sadrian skipclean = 0; 991558Srgrimes cvtlevel = argtoi('c', "conversion level", optarg, 10); 10098542Smckusick if (cvtlevel < 3) 10198542Smckusick errx(EEXIT, "cannot do level %d conversion", 10298542Smckusick cvtlevel); 1031558Srgrimes break; 1048871Srgrimes 1051558Srgrimes case 'd': 1061558Srgrimes debug++; 1071558Srgrimes break; 1081558Srgrimes 109178088Sdelphij case 'C': 110178088Sdelphij catastrophicflag = 1; 111178088Sdelphij /* FALLTHROUGH */ 112178088Sdelphij 1132153Sdg case 'f': 11466861Sadrian skipclean = 0; 1152153Sdg break; 1162153Sdg 11775927Smckusick case 'F': 11875927Smckusick bkgrdcheck = 1; 11975927Smckusick break; 12075927Smckusick 1211558Srgrimes case 'm': 1221558Srgrimes lfmode = argtoi('m', "mode", optarg, 8); 1231558Srgrimes if (lfmode &~ 07777) 12423675Speter errx(EEXIT, "bad mode to -m: %o", lfmode); 1251558Srgrimes printf("** lost+found creation mode %o\n", lfmode); 1261558Srgrimes break; 1271558Srgrimes 1281558Srgrimes case 'n': 1291558Srgrimes nflag++; 1301558Srgrimes yflag = 0; 1311558Srgrimes break; 1321558Srgrimes 13366861Sadrian case 'p': 13466861Sadrian preen++; 13566861Sadrian break; 13666861Sadrian 1371558Srgrimes case 'y': 1381558Srgrimes yflag++; 1391558Srgrimes nflag = 0; 1401558Srgrimes break; 1411558Srgrimes 1421558Srgrimes default: 14366861Sadrian usage(); 1441558Srgrimes } 1451558Srgrimes } 1461558Srgrimes argc -= optind; 1471558Srgrimes argv += optind; 14866861Sadrian 14966861Sadrian if (!argc) 15066861Sadrian usage(); 15166861Sadrian 1521558Srgrimes if (signal(SIGINT, SIG_IGN) != SIG_IGN) 1531558Srgrimes (void)signal(SIGINT, catch); 1541558Srgrimes if (preen) 1551558Srgrimes (void)signal(SIGQUIT, catchquit); 15670050Siedowse signal(SIGINFO, infohandler); 157126345Sscottl if (bkgrdflag) { 158126345Sscottl signal(SIGALRM, alarmhandler); 159126345Sscottl itimerval.it_interval.tv_sec = 5; 160126345Sscottl itimerval.it_interval.tv_usec = 0; 161126345Sscottl itimerval.it_value.tv_sec = 5; 162126345Sscottl itimerval.it_value.tv_usec = 0; 163126345Sscottl setitimer(ITIMER_REAL, &itimerval, NULL); 164126345Sscottl } 16541474Sjulian /* 16641474Sjulian * Push up our allowed memory limit so we can cope 167102231Strhodes * with huge file systems. 16841474Sjulian */ 16941474Sjulian if (getrlimit(RLIMIT_DATA, &rlimit) == 0) { 17041474Sjulian rlimit.rlim_cur = rlimit.rlim_max; 17141474Sjulian (void)setrlimit(RLIMIT_DATA, &rlimit); 17241474Sjulian } 17366861Sadrian while (argc-- > 0) 17486514Siedowse (void)checkfilesys(*argv++); 17541474Sjulian 1761558Srgrimes if (returntosingle) 17766861Sadrian ret = 2; 1781558Srgrimes exit(ret); 1791558Srgrimes} 1801558Srgrimes 18123675Speterstatic int 182100935Sphkargtoi(int flag, const char *req, const char *str, int base) 1831558Srgrimes{ 1841558Srgrimes char *cp; 1851558Srgrimes int ret; 1861558Srgrimes 1871558Srgrimes ret = (int)strtol(str, &cp, base); 1881558Srgrimes if (cp == str || *cp) 18923675Speter errx(EEXIT, "-%c flag requires a %s", flag, req); 1901558Srgrimes return (ret); 1911558Srgrimes} 1921558Srgrimes 1931558Srgrimes/* 194102231Strhodes * Check the specified file system. 1951558Srgrimes */ 1961558Srgrimes/* ARGSUSED */ 19723675Speterstatic int 19892839Simpcheckfilesys(char *filesys) 1991558Srgrimes{ 20098542Smckusick ufs2_daddr_t n_ffree, n_bfree; 2011558Srgrimes struct dups *dp; 20274556Smckusick struct statfs *mntp; 203120901Smckusick struct stat snapdir; 204120901Smckusick struct group *grp; 20598542Smckusick ufs2_daddr_t blks; 206172236Srodrigc struct iovec *iov; 207172236Srodrigc char errmsg[255]; 208172236Srodrigc int iovlen; 209171800Spjd int cylno; 21098542Smckusick ino_t files; 211101037Smux size_t size; 2121558Srgrimes 213172236Srodrigc iov = NULL; 214172236Srodrigc iovlen = 0; 215172236Srodrigc errmsg[0] = '\0'; 216172236Srodrigc 2171558Srgrimes cdevname = filesys; 2181558Srgrimes if (debug && preen) 2191558Srgrimes pwarn("starting\n"); 22075927Smckusick /* 22175927Smckusick * Make best effort to get the disk name. Check first to see 222102231Strhodes * if it is listed among the mounted file systems. Failing that 22375927Smckusick * check to see if it is listed in /etc/fstab. 22475927Smckusick */ 22575927Smckusick mntp = getmntpt(filesys); 22675927Smckusick if (mntp != NULL) 22775927Smckusick filesys = mntp->f_mntfromname; 22875927Smckusick else 22975927Smckusick filesys = blockcheck(filesys); 23075927Smckusick /* 23175927Smckusick * If -F flag specified, check to see whether a background check 23275927Smckusick * is possible and needed. If possible and needed, exit with 23375927Smckusick * status zero. Otherwise exit with status non-zero. A non-zero 23475927Smckusick * exit status will cause a foreground check to be run. 23575927Smckusick */ 23675557Smckusick sblock_init(); 23775927Smckusick if (bkgrdcheck) { 23875927Smckusick if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 23975927Smckusick exit(3); /* Cannot read superblock */ 24075927Smckusick close(fsreadfd); 24175927Smckusick if (sblock.fs_flags & FS_NEEDSFSCK) 24275927Smckusick exit(4); /* Earlier background failed */ 24375927Smckusick if ((sblock.fs_flags & FS_DOSOFTDEP) == 0) 24475927Smckusick exit(5); /* Not running soft updates */ 24575927Smckusick size = MIBSIZE; 24675927Smckusick if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0) 24775927Smckusick exit(6); /* Lacks kernel support */ 24875927Smckusick if ((mntp == NULL && sblock.fs_clean == 1) || 24975927Smckusick (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0)) 25075927Smckusick exit(7); /* Filesystem clean, report it now */ 25175927Smckusick exit(0); 25275927Smckusick } 253163845Spjd if (preen && skipclean) { 254163845Spjd /* 255163845Spjd * If file system is gjournaled, check it here. 256163845Spjd */ 257163845Spjd if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 258163845Spjd exit(3); /* Cannot read superblock */ 259163845Spjd close(fsreadfd); 260163845Spjd if ((sblock.fs_flags & FS_GJOURNAL) != 0) { 261163845Spjd //printf("GJournaled file system detected on %s.\n", 262163845Spjd // filesys); 263163845Spjd if (sblock.fs_clean == 1) { 264163845Spjd pwarn("FILE SYSTEM CLEAN; SKIPPING CHECKS\n"); 265163845Spjd exit(0); 266163845Spjd } 267163845Spjd if ((sblock.fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) == 0) { 268163845Spjd gjournal_check(filesys); 269171800Spjd if (chkdoreload(mntp) == 0) 270171800Spjd exit(0); 271171800Spjd exit(4); 272163845Spjd } else { 273163845Spjd pfatal("UNEXPECTED INCONSISTENCY, %s\n", 274163845Spjd "CANNOT RUN FAST FSCK\n"); 275163845Spjd } 276163845Spjd } 277163845Spjd } 27874556Smckusick /* 27974556Smckusick * If we are to do a background check: 280102231Strhodes * Get the mount point information of the file system 28174556Smckusick * create snapshot file 28274556Smckusick * return created snapshot file 28374556Smckusick * if not found, clear bkgrdflag and proceed with normal fsck 28474556Smckusick */ 28574556Smckusick if (bkgrdflag) { 28674556Smckusick if (mntp == NULL) { 28774556Smckusick bkgrdflag = 0; 28875557Smckusick pfatal("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n"); 28974556Smckusick } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) { 29074556Smckusick bkgrdflag = 0; 29175557Smckusick pfatal("NOT USING SOFT UPDATES, %s\n", 29275557Smckusick "CANNOT RUN IN BACKGROUND"); 29374556Smckusick } else if ((mntp->f_flags & MNT_RDONLY) != 0) { 29474556Smckusick bkgrdflag = 0; 29575557Smckusick pfatal("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n"); 29675557Smckusick } else if ((fsreadfd = open(filesys, O_RDONLY)) >= 0) { 29775557Smckusick if (readsb(0) != 0) { 29875557Smckusick if (sblock.fs_flags & FS_NEEDSFSCK) { 29975557Smckusick bkgrdflag = 0; 30075557Smckusick pfatal("UNEXPECTED INCONSISTENCY, %s\n", 30175557Smckusick "CANNOT RUN IN BACKGROUND\n"); 30275557Smckusick } 30375557Smckusick if ((sblock.fs_flags & FS_UNCLEAN) == 0 && 30475557Smckusick skipclean && preen) { 30575557Smckusick /* 306102231Strhodes * file system is clean; 30775557Smckusick * skip snapshot and report it clean 30875557Smckusick */ 309118302Sru pwarn("FILE SYSTEM CLEAN; %s\n", 31075557Smckusick "SKIPPING CHECKS"); 31175557Smckusick goto clean; 31275557Smckusick } 31375557Smckusick } 31475557Smckusick close(fsreadfd); 31575557Smckusick } 31675557Smckusick if (bkgrdflag) { 317120901Smckusick snprintf(snapname, sizeof snapname, "%s/.snap", 31874556Smckusick mntp->f_mntonname); 319120901Smckusick if (stat(snapname, &snapdir) < 0) { 320120901Smckusick if (errno != ENOENT) { 321120901Smckusick bkgrdflag = 0; 322120901Smckusick pfatal("CANNOT FIND %s %s: %s, %s\n", 323120901Smckusick "SNAPSHOT DIRECTORY", 324120901Smckusick snapname, strerror(errno), 325120901Smckusick "CANNOT RUN IN BACKGROUND"); 326120901Smckusick } else if ((grp = getgrnam("operator")) == 0 || 327120901Smckusick mkdir(snapname, 0770) < 0 || 328120901Smckusick chown(snapname, -1, grp->gr_gid) < 0 || 329120901Smckusick chmod(snapname, 0770) < 0) { 330120901Smckusick bkgrdflag = 0; 331120901Smckusick pfatal("CANNOT CREATE %s %s: %s, %s\n", 332120901Smckusick "SNAPSHOT DIRECTORY", 333120901Smckusick snapname, strerror(errno), 334120901Smckusick "CANNOT RUN IN BACKGROUND"); 335120901Smckusick } 336120901Smckusick } else if (!S_ISDIR(snapdir.st_mode)) { 337120901Smckusick bkgrdflag = 0; 338120901Smckusick pfatal("%s IS NOT A DIRECTORY, %s\n", snapname, 339120901Smckusick "CANNOT RUN IN BACKGROUND"); 340120901Smckusick } 341120901Smckusick } 342120901Smckusick if (bkgrdflag) { 343120901Smckusick snprintf(snapname, sizeof snapname, 344120901Smckusick "%s/.snap/fsck_snapshot", mntp->f_mntonname); 345172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 346172236Srodrigc build_iovec(&iov, &iovlen, "from", snapname, 347172236Srodrigc (size_t)-1); 348172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 349172236Srodrigc (size_t)-1); 350172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 351172236Srodrigc sizeof(errmsg)); 352182027Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 353182027Srodrigc build_iovec(&iov, &iovlen, "snapshot", NULL, 0); 354172236Srodrigc 355186471Sobrien while (nmount(iov, iovlen, mntp->f_flags) < 0) { 35674556Smckusick if (errno == EEXIST && unlink(snapname) == 0) 35774556Smckusick continue; 35874556Smckusick bkgrdflag = 0; 359172236Srodrigc pfatal("CANNOT CREATE SNAPSHOT %s: %s %s\n", 360172236Srodrigc snapname, strerror(errno), errmsg); 36174556Smckusick break; 36274556Smckusick } 36374556Smckusick if (bkgrdflag != 0) 36474556Smckusick filesys = snapname; 36574556Smckusick } 36674556Smckusick } 36774556Smckusick 36823675Speter switch (setup(filesys)) { 36923675Speter case 0: 3701558Srgrimes if (preen) 3711558Srgrimes pfatal("CAN'T CHECK FILE SYSTEM."); 37241477Sjulian return (0); 37323675Speter case -1: 37475557Smckusick clean: 37586514Siedowse pwarn("clean, %ld free ", (long)(sblock.fs_cstotal.cs_nffree + 37686514Siedowse sblock.fs_frag * sblock.fs_cstotal.cs_nbfree)); 377100935Sphk printf("(%lld frags, %lld blocks, %.1f%% fragmentation)\n", 378100935Sphk (long long)sblock.fs_cstotal.cs_nffree, 379100935Sphk (long long)sblock.fs_cstotal.cs_nbfree, 38041477Sjulian sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize); 38131904Sbde return (0); 3822153Sdg } 38355275Speter 38455275Speter /* 38534266Sjulian * Cleared if any questions answered no. Used to decide if 38634266Sjulian * the superblock should be marked clean. 38734266Sjulian */ 38834266Sjulian resolved = 1; 38934266Sjulian /* 3901558Srgrimes * 1: scan inodes tallying blocks used 3911558Srgrimes */ 3921558Srgrimes if (preen == 0) { 3931558Srgrimes printf("** Last Mounted on %s\n", sblock.fs_fsmnt); 39474556Smckusick if (mntp != NULL && mntp->f_flags & MNT_ROOTFS) 395102231Strhodes printf("** Root file system\n"); 3961558Srgrimes printf("** Phase 1 - Check Blocks and Sizes\n"); 3971558Srgrimes } 3981558Srgrimes pass1(); 3991558Srgrimes 4001558Srgrimes /* 4011558Srgrimes * 1b: locate first references to duplicates, if any 4021558Srgrimes */ 4031558Srgrimes if (duplist) { 40434266Sjulian if (preen || usedsoftdep) 4051558Srgrimes pfatal("INTERNAL ERROR: dups with -p"); 4061558Srgrimes printf("** Phase 1b - Rescan For More DUPS\n"); 4071558Srgrimes pass1b(); 4081558Srgrimes } 4091558Srgrimes 4101558Srgrimes /* 4111558Srgrimes * 2: traverse directories from root to mark all connected directories 4121558Srgrimes */ 4131558Srgrimes if (preen == 0) 4141558Srgrimes printf("** Phase 2 - Check Pathnames\n"); 4151558Srgrimes pass2(); 4161558Srgrimes 4171558Srgrimes /* 4181558Srgrimes * 3: scan inodes looking for disconnected directories 4191558Srgrimes */ 4201558Srgrimes if (preen == 0) 4211558Srgrimes printf("** Phase 3 - Check Connectivity\n"); 4221558Srgrimes pass3(); 4231558Srgrimes 4241558Srgrimes /* 4251558Srgrimes * 4: scan inodes looking for disconnected files; check reference counts 4261558Srgrimes */ 4271558Srgrimes if (preen == 0) 4281558Srgrimes printf("** Phase 4 - Check Reference Counts\n"); 4291558Srgrimes pass4(); 4301558Srgrimes 4311558Srgrimes /* 4321558Srgrimes * 5: check and repair resource counts in cylinder groups 4331558Srgrimes */ 4341558Srgrimes if (preen == 0) 4351558Srgrimes printf("** Phase 5 - Check Cyl groups\n"); 4361558Srgrimes pass5(); 4371558Srgrimes 4381558Srgrimes /* 4391558Srgrimes * print out summary statistics 4401558Srgrimes */ 4411558Srgrimes n_ffree = sblock.fs_cstotal.cs_nffree; 4421558Srgrimes n_bfree = sblock.fs_cstotal.cs_nbfree; 44374556Smckusick files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files; 44474556Smckusick blks = n_blks + 44574556Smckusick sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0)); 44674556Smckusick blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0); 44774556Smckusick blks += howmany(sblock.fs_cssize, sblock.fs_fsize); 44874556Smckusick blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks; 44974556Smckusick if (bkgrdflag && (files > 0 || blks > 0)) { 45074556Smckusick countdirs = sblock.fs_cstotal.cs_ndir - countdirs; 451100935Sphk pwarn("Reclaimed: %ld directories, %ld files, %lld fragments\n", 452100935Sphk countdirs, (long)files - countdirs, (long long)blks); 45374556Smckusick } 454101037Smux pwarn("%ld files, %jd used, %ju free ", 455101037Smux (long)n_files, (intmax_t)n_blks, 456101037Smux (uintmax_t)n_ffree + sblock.fs_frag * n_bfree); 457101037Smux printf("(%ju frags, %ju blocks, %.1f%% fragmentation)\n", 458101037Smux (uintmax_t)n_ffree, (uintmax_t)n_bfree, 459101037Smux n_ffree * 100.0 / sblock.fs_dsize); 4601558Srgrimes if (debug) { 46174556Smckusick if (files < 0) 46274556Smckusick printf("%d inodes missing\n", -files); 46374556Smckusick if (blks < 0) 464100935Sphk printf("%lld blocks missing\n", -(long long)blks); 4651558Srgrimes if (duplist != NULL) { 4661558Srgrimes printf("The following duplicate blocks remain:"); 4671558Srgrimes for (dp = duplist; dp; dp = dp->next) 468100935Sphk printf(" %lld,", (long long)dp->dup); 4691558Srgrimes printf("\n"); 4701558Srgrimes } 4711558Srgrimes } 4721558Srgrimes duplist = (struct dups *)0; 4731558Srgrimes muldup = (struct dups *)0; 4741558Srgrimes inocleanup(); 4752179Sdg if (fsmodified) { 47641474Sjulian sblock.fs_time = time(NULL); 4771558Srgrimes sbdirty(); 4781558Srgrimes } 4791558Srgrimes if (cvtlevel && sblk.b_dirty) { 4808871Srgrimes /* 4811558Srgrimes * Write out the duplicate super blocks 4821558Srgrimes */ 4831558Srgrimes for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 484163845Spjd blwrite(fswritefd, (char *)&sblock, 48598542Smckusick fsbtodb(&sblock, cgsblock(&sblock, cylno)), 48698542Smckusick SBLOCKSIZE); 4871558Srgrimes } 48834266Sjulian if (rerun) 48934266Sjulian resolved = 0; 49055275Speter 49155725Speter /* 492102231Strhodes * Check to see if the file system is mounted read-write. 49355725Speter */ 49474556Smckusick if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0) 49555275Speter resolved = 0; 49634266Sjulian ckfini(resolved); 49741474Sjulian 49841474Sjulian for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 49941474Sjulian if (inostathead[cylno].il_stat != NULL) 50041474Sjulian free((char *)inostathead[cylno].il_stat); 50141474Sjulian free((char *)inostathead); 50241474Sjulian inostathead = NULL; 50341474Sjulian if (fsmodified && !preen) 5041558Srgrimes printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); 50518808Sguido if (rerun) 50618808Sguido printf("\n***** PLEASE RERUN FSCK *****\n"); 507171800Spjd if (chkdoreload(mntp) != 0) { 50841474Sjulian if (!fsmodified) 50941474Sjulian return (0); 5101558Srgrimes if (!preen) 5111558Srgrimes printf("\n***** REBOOT NOW *****\n"); 5121558Srgrimes sync(); 5131558Srgrimes return (4); 5141558Srgrimes } 5151558Srgrimes return (0); 5161558Srgrimes} 51755275Speter 518171800Spjdstatic int 519171800Spjdchkdoreload(struct statfs *mntp) 520171800Spjd{ 521172236Srodrigc struct iovec *iov; 522172236Srodrigc int iovlen; 523172236Srodrigc char errmsg[255]; 524171800Spjd 525171800Spjd if (mntp == NULL) 526171800Spjd return (0); 527172236Srodrigc 528172236Srodrigc iov = NULL; 529172236Srodrigc iovlen = 0; 530172236Srodrigc errmsg[0] = '\0'; 531171800Spjd /* 532171800Spjd * We modified a mounted file system. Do a mount update on 533171800Spjd * it unless it is read-write, so we can continue using it 534171800Spjd * as safely as possible. 535171800Spjd */ 536171800Spjd if (mntp->f_flags & MNT_RDONLY) { 537172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 538172236Srodrigc build_iovec(&iov, &iovlen, "from", mntp->f_mntfromname, 539172236Srodrigc (size_t)-1); 540172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 541172236Srodrigc (size_t)-1); 542172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 543172236Srodrigc sizeof(errmsg)); 544176822Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 545182027Srodrigc build_iovec(&iov, &iovlen, "reload", NULL, 0); 546177905Srodrigc /* 547177905Srodrigc * XX: We need the following line until we clean up 548177905Srodrigc * nmount parsing of root mounts and NFS root mounts. 549177905Srodrigc */ 550176822Srodrigc build_iovec(&iov, &iovlen, "ro", NULL, 0); 551186471Sobrien if (nmount(iov, iovlen, mntp->f_flags) == 0) { 552171800Spjd return (0); 553171800Spjd } 554172236Srodrigc pwarn("mount reload of '%s' failed: %s %s\n\n", 555172236Srodrigc mntp->f_mntonname, strerror(errno), errmsg); 556171800Spjd return (1); 557171800Spjd } 558171800Spjd return (0); 559171800Spjd} 560171800Spjd 56155275Speter/* 56275927Smckusick * Get the mount point information for name. 56355275Speter */ 56455275Speterstatic struct statfs * 56592839Simpgetmntpt(const char *name) 56655275Speter{ 56755725Speter struct stat devstat, mntdevstat; 56855725Speter char device[sizeof(_PATH_DEV) - 1 + MNAMELEN]; 569100935Sphk char *ddevname; 57075927Smckusick struct statfs *mntbuf, *statfsp; 57175927Smckusick int i, mntsize, isdev; 57255275Speter 57375927Smckusick if (stat(name, &devstat) != 0) 57455275Speter return (NULL); 57575927Smckusick if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode)) 57675927Smckusick isdev = 1; 57775927Smckusick else 57875927Smckusick isdev = 0; 57955275Speter mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 58055275Speter for (i = 0; i < mntsize; i++) { 58175927Smckusick statfsp = &mntbuf[i]; 582100935Sphk ddevname = statfsp->f_mntfromname; 583100935Sphk if (*ddevname != '/') { 58455725Speter strcpy(device, _PATH_DEV); 585100935Sphk strcat(device, ddevname); 58675927Smckusick strcpy(statfsp->f_mntfromname, device); 58755725Speter } 58875927Smckusick if (isdev == 0) { 58975927Smckusick if (strcmp(name, statfsp->f_mntonname)) 59075927Smckusick continue; 59175927Smckusick return (statfsp); 59275927Smckusick } 593100935Sphk if (stat(ddevname, &mntdevstat) == 0 && 59455725Speter mntdevstat.st_rdev == devstat.st_rdev) 59575927Smckusick return (statfsp); 59655275Speter } 59775927Smckusick statfsp = NULL; 59875927Smckusick return (statfsp); 59955275Speter} 60066861Sadrian 60166861Sadrianstatic void 60292839Simpusage(void) 60366861Sadrian{ 60466861Sadrian (void) fprintf(stderr, 605179656Sstas "usage: %s [-BCFpfny] [-b block] [-c level] [-m mode] " 606141611Sru "filesystem ...\n", 60793103Smarkm getprogname()); 60866861Sadrian exit(1); 60966861Sadrian} 610