main.c revision 187931
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 187931 2009-01-30 18:33:05Z 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; 84187501Sdelphij damagedflag = 0; 85187931Sobrien while ((ch = getopt(argc, argv, "b:Bc:CdDfFm: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 109187501Sdelphij case 'D': 110187501Sdelphij damagedflag = 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++; 135187931Sobrien /*FALLTHROUGH*/ 136187931Sobrien 137187931Sobrien case 'C': 138187931Sobrien ckclean++; 13966861Sadrian break; 14066861Sadrian 1411558Srgrimes case 'y': 1421558Srgrimes yflag++; 1431558Srgrimes nflag = 0; 1441558Srgrimes break; 1451558Srgrimes 1461558Srgrimes default: 14766861Sadrian usage(); 1481558Srgrimes } 1491558Srgrimes } 1501558Srgrimes argc -= optind; 1511558Srgrimes argv += optind; 15266861Sadrian 15366861Sadrian if (!argc) 15466861Sadrian usage(); 15566861Sadrian 1561558Srgrimes if (signal(SIGINT, SIG_IGN) != SIG_IGN) 1571558Srgrimes (void)signal(SIGINT, catch); 158187931Sobrien if (ckclean) 1591558Srgrimes (void)signal(SIGQUIT, catchquit); 16070050Siedowse signal(SIGINFO, infohandler); 161126345Sscottl if (bkgrdflag) { 162126345Sscottl signal(SIGALRM, alarmhandler); 163126345Sscottl itimerval.it_interval.tv_sec = 5; 164126345Sscottl itimerval.it_interval.tv_usec = 0; 165126345Sscottl itimerval.it_value.tv_sec = 5; 166126345Sscottl itimerval.it_value.tv_usec = 0; 167126345Sscottl setitimer(ITIMER_REAL, &itimerval, NULL); 168126345Sscottl } 16941474Sjulian /* 17041474Sjulian * Push up our allowed memory limit so we can cope 171102231Strhodes * with huge file systems. 17241474Sjulian */ 17341474Sjulian if (getrlimit(RLIMIT_DATA, &rlimit) == 0) { 17441474Sjulian rlimit.rlim_cur = rlimit.rlim_max; 17541474Sjulian (void)setrlimit(RLIMIT_DATA, &rlimit); 17641474Sjulian } 17766861Sadrian while (argc-- > 0) 17886514Siedowse (void)checkfilesys(*argv++); 17941474Sjulian 1801558Srgrimes if (returntosingle) 18166861Sadrian ret = 2; 1821558Srgrimes exit(ret); 1831558Srgrimes} 1841558Srgrimes 18523675Speterstatic int 186100935Sphkargtoi(int flag, const char *req, const char *str, int base) 1871558Srgrimes{ 1881558Srgrimes char *cp; 1891558Srgrimes int ret; 1901558Srgrimes 1911558Srgrimes ret = (int)strtol(str, &cp, base); 1921558Srgrimes if (cp == str || *cp) 19323675Speter errx(EEXIT, "-%c flag requires a %s", flag, req); 1941558Srgrimes return (ret); 1951558Srgrimes} 1961558Srgrimes 1971558Srgrimes/* 198102231Strhodes * Check the specified file system. 1991558Srgrimes */ 2001558Srgrimes/* ARGSUSED */ 20123675Speterstatic int 20292839Simpcheckfilesys(char *filesys) 2031558Srgrimes{ 20498542Smckusick ufs2_daddr_t n_ffree, n_bfree; 2051558Srgrimes struct dups *dp; 20674556Smckusick struct statfs *mntp; 207120901Smckusick struct stat snapdir; 208120901Smckusick struct group *grp; 20998542Smckusick ufs2_daddr_t blks; 210172236Srodrigc struct iovec *iov; 211172236Srodrigc char errmsg[255]; 212172236Srodrigc int iovlen; 213171800Spjd int cylno; 21498542Smckusick ino_t files; 215101037Smux size_t size; 2161558Srgrimes 217172236Srodrigc iov = NULL; 218172236Srodrigc iovlen = 0; 219172236Srodrigc errmsg[0] = '\0'; 220172236Srodrigc 2211558Srgrimes cdevname = filesys; 222187931Sobrien if (debug && ckclean) 2231558Srgrimes pwarn("starting\n"); 22475927Smckusick /* 22575927Smckusick * Make best effort to get the disk name. Check first to see 226102231Strhodes * if it is listed among the mounted file systems. Failing that 22775927Smckusick * check to see if it is listed in /etc/fstab. 22875927Smckusick */ 22975927Smckusick mntp = getmntpt(filesys); 23075927Smckusick if (mntp != NULL) 23175927Smckusick filesys = mntp->f_mntfromname; 23275927Smckusick else 23375927Smckusick filesys = blockcheck(filesys); 23475927Smckusick /* 23575927Smckusick * If -F flag specified, check to see whether a background check 23675927Smckusick * is possible and needed. If possible and needed, exit with 23775927Smckusick * status zero. Otherwise exit with status non-zero. A non-zero 23875927Smckusick * exit status will cause a foreground check to be run. 23975927Smckusick */ 24075557Smckusick sblock_init(); 24175927Smckusick if (bkgrdcheck) { 24275927Smckusick if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 24375927Smckusick exit(3); /* Cannot read superblock */ 24475927Smckusick close(fsreadfd); 24575927Smckusick if (sblock.fs_flags & FS_NEEDSFSCK) 24675927Smckusick exit(4); /* Earlier background failed */ 24775927Smckusick if ((sblock.fs_flags & FS_DOSOFTDEP) == 0) 24875927Smckusick exit(5); /* Not running soft updates */ 24975927Smckusick size = MIBSIZE; 25075927Smckusick if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0) 25175927Smckusick exit(6); /* Lacks kernel support */ 25275927Smckusick if ((mntp == NULL && sblock.fs_clean == 1) || 25375927Smckusick (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0)) 25475927Smckusick exit(7); /* Filesystem clean, report it now */ 25575927Smckusick exit(0); 25675927Smckusick } 257187931Sobrien if (ckclean && skipclean) { 258163845Spjd /* 259163845Spjd * If file system is gjournaled, check it here. 260163845Spjd */ 261163845Spjd if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 262163845Spjd exit(3); /* Cannot read superblock */ 263163845Spjd close(fsreadfd); 264163845Spjd if ((sblock.fs_flags & FS_GJOURNAL) != 0) { 265163845Spjd //printf("GJournaled file system detected on %s.\n", 266163845Spjd // filesys); 267163845Spjd if (sblock.fs_clean == 1) { 268163845Spjd pwarn("FILE SYSTEM CLEAN; SKIPPING CHECKS\n"); 269163845Spjd exit(0); 270163845Spjd } 271163845Spjd if ((sblock.fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) == 0) { 272163845Spjd gjournal_check(filesys); 273171800Spjd if (chkdoreload(mntp) == 0) 274171800Spjd exit(0); 275171800Spjd exit(4); 276163845Spjd } else { 277163845Spjd pfatal("UNEXPECTED INCONSISTENCY, %s\n", 278163845Spjd "CANNOT RUN FAST FSCK\n"); 279163845Spjd } 280163845Spjd } 281163845Spjd } 28274556Smckusick /* 28374556Smckusick * If we are to do a background check: 284102231Strhodes * Get the mount point information of the file system 28574556Smckusick * create snapshot file 28674556Smckusick * return created snapshot file 28774556Smckusick * if not found, clear bkgrdflag and proceed with normal fsck 28874556Smckusick */ 28974556Smckusick if (bkgrdflag) { 29074556Smckusick if (mntp == NULL) { 29174556Smckusick bkgrdflag = 0; 29275557Smckusick pfatal("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n"); 29374556Smckusick } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) { 29474556Smckusick bkgrdflag = 0; 29575557Smckusick pfatal("NOT USING SOFT UPDATES, %s\n", 29675557Smckusick "CANNOT RUN IN BACKGROUND"); 29774556Smckusick } else if ((mntp->f_flags & MNT_RDONLY) != 0) { 29874556Smckusick bkgrdflag = 0; 29975557Smckusick pfatal("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n"); 30075557Smckusick } else if ((fsreadfd = open(filesys, O_RDONLY)) >= 0) { 30175557Smckusick if (readsb(0) != 0) { 30275557Smckusick if (sblock.fs_flags & FS_NEEDSFSCK) { 30375557Smckusick bkgrdflag = 0; 30475557Smckusick pfatal("UNEXPECTED INCONSISTENCY, %s\n", 30575557Smckusick "CANNOT RUN IN BACKGROUND\n"); 30675557Smckusick } 30775557Smckusick if ((sblock.fs_flags & FS_UNCLEAN) == 0 && 308187931Sobrien skipclean && ckclean) { 30975557Smckusick /* 310102231Strhodes * file system is clean; 31175557Smckusick * skip snapshot and report it clean 31275557Smckusick */ 313118302Sru pwarn("FILE SYSTEM CLEAN; %s\n", 31475557Smckusick "SKIPPING CHECKS"); 31575557Smckusick goto clean; 31675557Smckusick } 31775557Smckusick } 31875557Smckusick close(fsreadfd); 31975557Smckusick } 32075557Smckusick if (bkgrdflag) { 321120901Smckusick snprintf(snapname, sizeof snapname, "%s/.snap", 32274556Smckusick mntp->f_mntonname); 323120901Smckusick if (stat(snapname, &snapdir) < 0) { 324120901Smckusick if (errno != ENOENT) { 325120901Smckusick bkgrdflag = 0; 326120901Smckusick pfatal("CANNOT FIND %s %s: %s, %s\n", 327120901Smckusick "SNAPSHOT DIRECTORY", 328120901Smckusick snapname, strerror(errno), 329120901Smckusick "CANNOT RUN IN BACKGROUND"); 330120901Smckusick } else if ((grp = getgrnam("operator")) == 0 || 331120901Smckusick mkdir(snapname, 0770) < 0 || 332120901Smckusick chown(snapname, -1, grp->gr_gid) < 0 || 333120901Smckusick chmod(snapname, 0770) < 0) { 334120901Smckusick bkgrdflag = 0; 335120901Smckusick pfatal("CANNOT CREATE %s %s: %s, %s\n", 336120901Smckusick "SNAPSHOT DIRECTORY", 337120901Smckusick snapname, strerror(errno), 338120901Smckusick "CANNOT RUN IN BACKGROUND"); 339120901Smckusick } 340120901Smckusick } else if (!S_ISDIR(snapdir.st_mode)) { 341120901Smckusick bkgrdflag = 0; 342120901Smckusick pfatal("%s IS NOT A DIRECTORY, %s\n", snapname, 343120901Smckusick "CANNOT RUN IN BACKGROUND"); 344120901Smckusick } 345120901Smckusick } 346120901Smckusick if (bkgrdflag) { 347120901Smckusick snprintf(snapname, sizeof snapname, 348120901Smckusick "%s/.snap/fsck_snapshot", mntp->f_mntonname); 349172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 350172236Srodrigc build_iovec(&iov, &iovlen, "from", snapname, 351172236Srodrigc (size_t)-1); 352172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 353172236Srodrigc (size_t)-1); 354172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 355172236Srodrigc sizeof(errmsg)); 356182027Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 357182027Srodrigc build_iovec(&iov, &iovlen, "snapshot", NULL, 0); 358172236Srodrigc 359186471Sobrien while (nmount(iov, iovlen, mntp->f_flags) < 0) { 36074556Smckusick if (errno == EEXIST && unlink(snapname) == 0) 36174556Smckusick continue; 36274556Smckusick bkgrdflag = 0; 363172236Srodrigc pfatal("CANNOT CREATE SNAPSHOT %s: %s %s\n", 364172236Srodrigc snapname, strerror(errno), errmsg); 36574556Smckusick break; 36674556Smckusick } 36774556Smckusick if (bkgrdflag != 0) 36874556Smckusick filesys = snapname; 36974556Smckusick } 37074556Smckusick } 37174556Smckusick 37223675Speter switch (setup(filesys)) { 37323675Speter case 0: 3741558Srgrimes if (preen) 3751558Srgrimes pfatal("CAN'T CHECK FILE SYSTEM."); 37641477Sjulian return (0); 37723675Speter case -1: 37875557Smckusick clean: 37986514Siedowse pwarn("clean, %ld free ", (long)(sblock.fs_cstotal.cs_nffree + 38086514Siedowse sblock.fs_frag * sblock.fs_cstotal.cs_nbfree)); 381100935Sphk printf("(%lld frags, %lld blocks, %.1f%% fragmentation)\n", 382100935Sphk (long long)sblock.fs_cstotal.cs_nffree, 383100935Sphk (long long)sblock.fs_cstotal.cs_nbfree, 38441477Sjulian sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize); 38531904Sbde return (0); 3862153Sdg } 38755275Speter 38855275Speter /* 38934266Sjulian * Cleared if any questions answered no. Used to decide if 39034266Sjulian * the superblock should be marked clean. 39134266Sjulian */ 39234266Sjulian resolved = 1; 39334266Sjulian /* 3941558Srgrimes * 1: scan inodes tallying blocks used 3951558Srgrimes */ 3961558Srgrimes if (preen == 0) { 3971558Srgrimes printf("** Last Mounted on %s\n", sblock.fs_fsmnt); 39874556Smckusick if (mntp != NULL && mntp->f_flags & MNT_ROOTFS) 399102231Strhodes printf("** Root file system\n"); 4001558Srgrimes printf("** Phase 1 - Check Blocks and Sizes\n"); 4011558Srgrimes } 4021558Srgrimes pass1(); 4031558Srgrimes 4041558Srgrimes /* 4051558Srgrimes * 1b: locate first references to duplicates, if any 4061558Srgrimes */ 4071558Srgrimes if (duplist) { 40834266Sjulian if (preen || usedsoftdep) 4091558Srgrimes pfatal("INTERNAL ERROR: dups with -p"); 4101558Srgrimes printf("** Phase 1b - Rescan For More DUPS\n"); 4111558Srgrimes pass1b(); 4121558Srgrimes } 4131558Srgrimes 4141558Srgrimes /* 4151558Srgrimes * 2: traverse directories from root to mark all connected directories 4161558Srgrimes */ 4171558Srgrimes if (preen == 0) 4181558Srgrimes printf("** Phase 2 - Check Pathnames\n"); 4191558Srgrimes pass2(); 4201558Srgrimes 4211558Srgrimes /* 4221558Srgrimes * 3: scan inodes looking for disconnected directories 4231558Srgrimes */ 4241558Srgrimes if (preen == 0) 4251558Srgrimes printf("** Phase 3 - Check Connectivity\n"); 4261558Srgrimes pass3(); 4271558Srgrimes 4281558Srgrimes /* 4291558Srgrimes * 4: scan inodes looking for disconnected files; check reference counts 4301558Srgrimes */ 4311558Srgrimes if (preen == 0) 4321558Srgrimes printf("** Phase 4 - Check Reference Counts\n"); 4331558Srgrimes pass4(); 4341558Srgrimes 4351558Srgrimes /* 4361558Srgrimes * 5: check and repair resource counts in cylinder groups 4371558Srgrimes */ 4381558Srgrimes if (preen == 0) 4391558Srgrimes printf("** Phase 5 - Check Cyl groups\n"); 4401558Srgrimes pass5(); 4411558Srgrimes 4421558Srgrimes /* 4431558Srgrimes * print out summary statistics 4441558Srgrimes */ 4451558Srgrimes n_ffree = sblock.fs_cstotal.cs_nffree; 4461558Srgrimes n_bfree = sblock.fs_cstotal.cs_nbfree; 44774556Smckusick files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files; 44874556Smckusick blks = n_blks + 44974556Smckusick sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0)); 45074556Smckusick blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0); 45174556Smckusick blks += howmany(sblock.fs_cssize, sblock.fs_fsize); 45274556Smckusick blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks; 45374556Smckusick if (bkgrdflag && (files > 0 || blks > 0)) { 45474556Smckusick countdirs = sblock.fs_cstotal.cs_ndir - countdirs; 455100935Sphk pwarn("Reclaimed: %ld directories, %ld files, %lld fragments\n", 456100935Sphk countdirs, (long)files - countdirs, (long long)blks); 45774556Smckusick } 458101037Smux pwarn("%ld files, %jd used, %ju free ", 459101037Smux (long)n_files, (intmax_t)n_blks, 460101037Smux (uintmax_t)n_ffree + sblock.fs_frag * n_bfree); 461101037Smux printf("(%ju frags, %ju blocks, %.1f%% fragmentation)\n", 462101037Smux (uintmax_t)n_ffree, (uintmax_t)n_bfree, 463101037Smux n_ffree * 100.0 / sblock.fs_dsize); 4641558Srgrimes if (debug) { 46574556Smckusick if (files < 0) 46674556Smckusick printf("%d inodes missing\n", -files); 46774556Smckusick if (blks < 0) 468100935Sphk printf("%lld blocks missing\n", -(long long)blks); 4691558Srgrimes if (duplist != NULL) { 4701558Srgrimes printf("The following duplicate blocks remain:"); 4711558Srgrimes for (dp = duplist; dp; dp = dp->next) 472100935Sphk printf(" %lld,", (long long)dp->dup); 4731558Srgrimes printf("\n"); 4741558Srgrimes } 4751558Srgrimes } 4761558Srgrimes duplist = (struct dups *)0; 4771558Srgrimes muldup = (struct dups *)0; 4781558Srgrimes inocleanup(); 4792179Sdg if (fsmodified) { 48041474Sjulian sblock.fs_time = time(NULL); 4811558Srgrimes sbdirty(); 4821558Srgrimes } 4831558Srgrimes if (cvtlevel && sblk.b_dirty) { 4848871Srgrimes /* 4851558Srgrimes * Write out the duplicate super blocks 4861558Srgrimes */ 4871558Srgrimes for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 488163845Spjd blwrite(fswritefd, (char *)&sblock, 48998542Smckusick fsbtodb(&sblock, cgsblock(&sblock, cylno)), 49098542Smckusick SBLOCKSIZE); 4911558Srgrimes } 49234266Sjulian if (rerun) 49334266Sjulian resolved = 0; 49455275Speter 49555725Speter /* 496102231Strhodes * Check to see if the file system is mounted read-write. 49755725Speter */ 49874556Smckusick if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0) 49955275Speter resolved = 0; 50034266Sjulian ckfini(resolved); 50141474Sjulian 50241474Sjulian for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 50341474Sjulian if (inostathead[cylno].il_stat != NULL) 50441474Sjulian free((char *)inostathead[cylno].il_stat); 50541474Sjulian free((char *)inostathead); 50641474Sjulian inostathead = NULL; 50741474Sjulian if (fsmodified && !preen) 5081558Srgrimes printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); 50918808Sguido if (rerun) 51018808Sguido printf("\n***** PLEASE RERUN FSCK *****\n"); 511171800Spjd if (chkdoreload(mntp) != 0) { 51241474Sjulian if (!fsmodified) 51341474Sjulian return (0); 5141558Srgrimes if (!preen) 5151558Srgrimes printf("\n***** REBOOT NOW *****\n"); 5161558Srgrimes sync(); 5171558Srgrimes return (4); 5181558Srgrimes } 5191558Srgrimes return (0); 5201558Srgrimes} 52155275Speter 522171800Spjdstatic int 523171800Spjdchkdoreload(struct statfs *mntp) 524171800Spjd{ 525172236Srodrigc struct iovec *iov; 526172236Srodrigc int iovlen; 527172236Srodrigc char errmsg[255]; 528171800Spjd 529171800Spjd if (mntp == NULL) 530171800Spjd return (0); 531172236Srodrigc 532172236Srodrigc iov = NULL; 533172236Srodrigc iovlen = 0; 534172236Srodrigc errmsg[0] = '\0'; 535171800Spjd /* 536171800Spjd * We modified a mounted file system. Do a mount update on 537171800Spjd * it unless it is read-write, so we can continue using it 538171800Spjd * as safely as possible. 539171800Spjd */ 540171800Spjd if (mntp->f_flags & MNT_RDONLY) { 541172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 542172236Srodrigc build_iovec(&iov, &iovlen, "from", mntp->f_mntfromname, 543172236Srodrigc (size_t)-1); 544172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 545172236Srodrigc (size_t)-1); 546172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 547172236Srodrigc sizeof(errmsg)); 548176822Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 549182027Srodrigc build_iovec(&iov, &iovlen, "reload", NULL, 0); 550177905Srodrigc /* 551177905Srodrigc * XX: We need the following line until we clean up 552177905Srodrigc * nmount parsing of root mounts and NFS root mounts. 553177905Srodrigc */ 554176822Srodrigc build_iovec(&iov, &iovlen, "ro", NULL, 0); 555186471Sobrien if (nmount(iov, iovlen, mntp->f_flags) == 0) { 556171800Spjd return (0); 557171800Spjd } 558172236Srodrigc pwarn("mount reload of '%s' failed: %s %s\n\n", 559172236Srodrigc mntp->f_mntonname, strerror(errno), errmsg); 560171800Spjd return (1); 561171800Spjd } 562171800Spjd return (0); 563171800Spjd} 564171800Spjd 56555275Speter/* 56675927Smckusick * Get the mount point information for name. 56755275Speter */ 56855275Speterstatic struct statfs * 56992839Simpgetmntpt(const char *name) 57055275Speter{ 57155725Speter struct stat devstat, mntdevstat; 57255725Speter char device[sizeof(_PATH_DEV) - 1 + MNAMELEN]; 573100935Sphk char *ddevname; 57475927Smckusick struct statfs *mntbuf, *statfsp; 57575927Smckusick int i, mntsize, isdev; 57655275Speter 57775927Smckusick if (stat(name, &devstat) != 0) 57855275Speter return (NULL); 57975927Smckusick if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode)) 58075927Smckusick isdev = 1; 58175927Smckusick else 58275927Smckusick isdev = 0; 58355275Speter mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 58455275Speter for (i = 0; i < mntsize; i++) { 58575927Smckusick statfsp = &mntbuf[i]; 586100935Sphk ddevname = statfsp->f_mntfromname; 587100935Sphk if (*ddevname != '/') { 58855725Speter strcpy(device, _PATH_DEV); 589100935Sphk strcat(device, ddevname); 59075927Smckusick strcpy(statfsp->f_mntfromname, device); 59155725Speter } 59275927Smckusick if (isdev == 0) { 59375927Smckusick if (strcmp(name, statfsp->f_mntonname)) 59475927Smckusick continue; 59575927Smckusick return (statfsp); 59675927Smckusick } 597100935Sphk if (stat(ddevname, &mntdevstat) == 0 && 59855725Speter mntdevstat.st_rdev == devstat.st_rdev) 59975927Smckusick return (statfsp); 60055275Speter } 60175927Smckusick statfsp = NULL; 60275927Smckusick return (statfsp); 60355275Speter} 60466861Sadrian 60566861Sadrianstatic void 60692839Simpusage(void) 60766861Sadrian{ 60866861Sadrian (void) fprintf(stderr, 609179656Sstas "usage: %s [-BCFpfny] [-b block] [-c level] [-m mode] " 610141611Sru "filesystem ...\n", 61193103Smarkm getprogname()); 61266861Sadrian exit(1); 61366861Sadrian} 614