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("$FreeBSD$"); 4393103Smarkm 441558Srgrimes#include <sys/param.h> 4575557Smckusick#include <sys/file.h> 461558Srgrimes#include <sys/mount.h> 4740918Smjacob#include <sys/resource.h> 48217769Smckusick#include <sys/stat.h> 4986514Siedowse#include <sys/sysctl.h> 50172236Srodrigc#include <sys/uio.h> 5198542Smckusick#include <sys/disklabel.h> 5223675Speter 531558Srgrimes#include <ufs/ufs/dinode.h> 541558Srgrimes#include <ufs/ffs/fs.h> 5523675Speter 5623675Speter#include <err.h> 5755725Speter#include <errno.h> 581558Srgrimes#include <fstab.h> 59120901Smckusick#include <grp.h> 60172236Srodrigc#include <mntopts.h> 6155725Speter#include <paths.h> 62101037Smux#include <stdint.h> 6386514Siedowse#include <string.h> 64217769Smckusick#include <time.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; 84188110Smckusick inoopt = 0; 85253155Sdes while ((ch = getopt(argc, argv, "b:Bc:CdEfFm:npryZ")) != -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 109221233Sdes case 'E': 110221233Sdes Eflag++; 111221233Sdes break; 112221233Sdes 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 141188110Smckusick case 'r': 142188110Smckusick inoopt++; 143188110Smckusick break; 144188110Smckusick 1451558Srgrimes case 'y': 1461558Srgrimes yflag++; 1471558Srgrimes nflag = 0; 1481558Srgrimes break; 1491558Srgrimes 150253155Sdes case 'Z': 151253155Sdes Zflag++; 152253155Sdes break; 153253155Sdes 1541558Srgrimes default: 15566861Sadrian usage(); 1561558Srgrimes } 1571558Srgrimes } 1581558Srgrimes argc -= optind; 1591558Srgrimes argv += optind; 16066861Sadrian 16166861Sadrian if (!argc) 16266861Sadrian usage(); 16366861Sadrian 1641558Srgrimes if (signal(SIGINT, SIG_IGN) != SIG_IGN) 1651558Srgrimes (void)signal(SIGINT, catch); 166187931Sobrien if (ckclean) 1671558Srgrimes (void)signal(SIGQUIT, catchquit); 16870050Siedowse signal(SIGINFO, infohandler); 169126345Sscottl if (bkgrdflag) { 170126345Sscottl signal(SIGALRM, alarmhandler); 171126345Sscottl itimerval.it_interval.tv_sec = 5; 172126345Sscottl itimerval.it_interval.tv_usec = 0; 173126345Sscottl itimerval.it_value.tv_sec = 5; 174126345Sscottl itimerval.it_value.tv_usec = 0; 175126345Sscottl setitimer(ITIMER_REAL, &itimerval, NULL); 176126345Sscottl } 17741474Sjulian /* 17841474Sjulian * Push up our allowed memory limit so we can cope 179102231Strhodes * with huge file systems. 18041474Sjulian */ 18141474Sjulian if (getrlimit(RLIMIT_DATA, &rlimit) == 0) { 18241474Sjulian rlimit.rlim_cur = rlimit.rlim_max; 18341474Sjulian (void)setrlimit(RLIMIT_DATA, &rlimit); 18441474Sjulian } 18566861Sadrian while (argc-- > 0) 18686514Siedowse (void)checkfilesys(*argv++); 18741474Sjulian 1881558Srgrimes if (returntosingle) 18966861Sadrian ret = 2; 1901558Srgrimes exit(ret); 1911558Srgrimes} 1921558Srgrimes 19323675Speterstatic int 194100935Sphkargtoi(int flag, const char *req, const char *str, int base) 1951558Srgrimes{ 1961558Srgrimes char *cp; 1971558Srgrimes int ret; 1981558Srgrimes 1991558Srgrimes ret = (int)strtol(str, &cp, base); 2001558Srgrimes if (cp == str || *cp) 20123675Speter errx(EEXIT, "-%c flag requires a %s", flag, req); 2021558Srgrimes return (ret); 2031558Srgrimes} 2041558Srgrimes 2051558Srgrimes/* 206102231Strhodes * Check the specified file system. 2071558Srgrimes */ 2081558Srgrimes/* ARGSUSED */ 20923675Speterstatic int 21092839Simpcheckfilesys(char *filesys) 2111558Srgrimes{ 21298542Smckusick ufs2_daddr_t n_ffree, n_bfree; 2131558Srgrimes struct dups *dp; 21474556Smckusick struct statfs *mntp; 215120901Smckusick struct stat snapdir; 216120901Smckusick struct group *grp; 21798542Smckusick ufs2_daddr_t blks; 218172236Srodrigc struct iovec *iov; 219172236Srodrigc char errmsg[255]; 220172236Srodrigc int iovlen; 221171800Spjd int cylno; 22298542Smckusick ino_t files; 223101037Smux size_t size; 2241558Srgrimes 225172236Srodrigc iov = NULL; 226172236Srodrigc iovlen = 0; 227172236Srodrigc errmsg[0] = '\0'; 228172236Srodrigc 2291558Srgrimes cdevname = filesys; 230187931Sobrien if (debug && ckclean) 2311558Srgrimes pwarn("starting\n"); 23275927Smckusick /* 23375927Smckusick * Make best effort to get the disk name. Check first to see 234102231Strhodes * if it is listed among the mounted file systems. Failing that 23575927Smckusick * check to see if it is listed in /etc/fstab. 23675927Smckusick */ 23775927Smckusick mntp = getmntpt(filesys); 23875927Smckusick if (mntp != NULL) 23975927Smckusick filesys = mntp->f_mntfromname; 24075927Smckusick else 24175927Smckusick filesys = blockcheck(filesys); 24275927Smckusick /* 24375927Smckusick * If -F flag specified, check to see whether a background check 24475927Smckusick * is possible and needed. If possible and needed, exit with 24575927Smckusick * status zero. Otherwise exit with status non-zero. A non-zero 24675927Smckusick * exit status will cause a foreground check to be run. 24775927Smckusick */ 24875557Smckusick sblock_init(); 24975927Smckusick if (bkgrdcheck) { 25075927Smckusick if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 25175927Smckusick exit(3); /* Cannot read superblock */ 25275927Smckusick close(fsreadfd); 253207141Sjeff /* Earlier background failed or journaled */ 254207141Sjeff if (sblock.fs_flags & (FS_NEEDSFSCK | FS_SUJ)) 255207141Sjeff exit(4); 25675927Smckusick if ((sblock.fs_flags & FS_DOSOFTDEP) == 0) 25775927Smckusick exit(5); /* Not running soft updates */ 25875927Smckusick size = MIBSIZE; 25975927Smckusick if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0) 26075927Smckusick exit(6); /* Lacks kernel support */ 26175927Smckusick if ((mntp == NULL && sblock.fs_clean == 1) || 26275927Smckusick (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0)) 26375927Smckusick exit(7); /* Filesystem clean, report it now */ 26475927Smckusick exit(0); 26575927Smckusick } 266187931Sobrien if (ckclean && skipclean) { 267163845Spjd /* 268163845Spjd * If file system is gjournaled, check it here. 269163845Spjd */ 270163845Spjd if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 271163845Spjd exit(3); /* Cannot read superblock */ 272163845Spjd close(fsreadfd); 273163845Spjd if ((sblock.fs_flags & FS_GJOURNAL) != 0) { 274163845Spjd //printf("GJournaled file system detected on %s.\n", 275163845Spjd // filesys); 276163845Spjd if (sblock.fs_clean == 1) { 277163845Spjd pwarn("FILE SYSTEM CLEAN; SKIPPING CHECKS\n"); 278163845Spjd exit(0); 279163845Spjd } 280163845Spjd if ((sblock.fs_flags & (FS_UNCLEAN | FS_NEEDSFSCK)) == 0) { 281163845Spjd gjournal_check(filesys); 282171800Spjd if (chkdoreload(mntp) == 0) 283171800Spjd exit(0); 284171800Spjd exit(4); 285163845Spjd } else { 286163845Spjd pfatal("UNEXPECTED INCONSISTENCY, %s\n", 287163845Spjd "CANNOT RUN FAST FSCK\n"); 288163845Spjd } 289163845Spjd } 290163845Spjd } 29174556Smckusick /* 29274556Smckusick * If we are to do a background check: 293102231Strhodes * Get the mount point information of the file system 29474556Smckusick * create snapshot file 29574556Smckusick * return created snapshot file 29674556Smckusick * if not found, clear bkgrdflag and proceed with normal fsck 29774556Smckusick */ 29874556Smckusick if (bkgrdflag) { 29974556Smckusick if (mntp == NULL) { 30074556Smckusick bkgrdflag = 0; 30175557Smckusick pfatal("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n"); 30274556Smckusick } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) { 30374556Smckusick bkgrdflag = 0; 30475557Smckusick pfatal("NOT USING SOFT UPDATES, %s\n", 30575557Smckusick "CANNOT RUN IN BACKGROUND"); 30674556Smckusick } else if ((mntp->f_flags & MNT_RDONLY) != 0) { 30774556Smckusick bkgrdflag = 0; 30875557Smckusick pfatal("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n"); 30975557Smckusick } else if ((fsreadfd = open(filesys, O_RDONLY)) >= 0) { 31075557Smckusick if (readsb(0) != 0) { 311207141Sjeff if (sblock.fs_flags & (FS_NEEDSFSCK | FS_SUJ)) { 31275557Smckusick bkgrdflag = 0; 31375557Smckusick pfatal("UNEXPECTED INCONSISTENCY, %s\n", 31475557Smckusick "CANNOT RUN IN BACKGROUND\n"); 31575557Smckusick } 31675557Smckusick if ((sblock.fs_flags & FS_UNCLEAN) == 0 && 317187931Sobrien skipclean && ckclean) { 31875557Smckusick /* 319102231Strhodes * file system is clean; 32075557Smckusick * skip snapshot and report it clean 32175557Smckusick */ 322118302Sru pwarn("FILE SYSTEM CLEAN; %s\n", 32375557Smckusick "SKIPPING CHECKS"); 32475557Smckusick goto clean; 32575557Smckusick } 32675557Smckusick } 32775557Smckusick close(fsreadfd); 32875557Smckusick } 32975557Smckusick if (bkgrdflag) { 330120901Smckusick snprintf(snapname, sizeof snapname, "%s/.snap", 33174556Smckusick mntp->f_mntonname); 332120901Smckusick if (stat(snapname, &snapdir) < 0) { 333120901Smckusick if (errno != ENOENT) { 334120901Smckusick bkgrdflag = 0; 335120901Smckusick pfatal("CANNOT FIND %s %s: %s, %s\n", 336120901Smckusick "SNAPSHOT DIRECTORY", 337120901Smckusick snapname, strerror(errno), 338120901Smckusick "CANNOT RUN IN BACKGROUND"); 339120901Smckusick } else if ((grp = getgrnam("operator")) == 0 || 340120901Smckusick mkdir(snapname, 0770) < 0 || 341120901Smckusick chown(snapname, -1, grp->gr_gid) < 0 || 342120901Smckusick chmod(snapname, 0770) < 0) { 343120901Smckusick bkgrdflag = 0; 344120901Smckusick pfatal("CANNOT CREATE %s %s: %s, %s\n", 345120901Smckusick "SNAPSHOT DIRECTORY", 346120901Smckusick snapname, strerror(errno), 347120901Smckusick "CANNOT RUN IN BACKGROUND"); 348120901Smckusick } 349120901Smckusick } else if (!S_ISDIR(snapdir.st_mode)) { 350120901Smckusick bkgrdflag = 0; 351120901Smckusick pfatal("%s IS NOT A DIRECTORY, %s\n", snapname, 352120901Smckusick "CANNOT RUN IN BACKGROUND"); 353120901Smckusick } 354120901Smckusick } 355120901Smckusick if (bkgrdflag) { 356120901Smckusick snprintf(snapname, sizeof snapname, 357120901Smckusick "%s/.snap/fsck_snapshot", mntp->f_mntonname); 358172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 359172236Srodrigc build_iovec(&iov, &iovlen, "from", snapname, 360172236Srodrigc (size_t)-1); 361172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 362172236Srodrigc (size_t)-1); 363172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 364172236Srodrigc sizeof(errmsg)); 365182027Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 366182027Srodrigc build_iovec(&iov, &iovlen, "snapshot", NULL, 0); 367172236Srodrigc 368186471Sobrien while (nmount(iov, iovlen, mntp->f_flags) < 0) { 36974556Smckusick if (errno == EEXIST && unlink(snapname) == 0) 37074556Smckusick continue; 37174556Smckusick bkgrdflag = 0; 372172236Srodrigc pfatal("CANNOT CREATE SNAPSHOT %s: %s %s\n", 373172236Srodrigc snapname, strerror(errno), errmsg); 37474556Smckusick break; 37574556Smckusick } 37674556Smckusick if (bkgrdflag != 0) 37774556Smckusick filesys = snapname; 37874556Smckusick } 37974556Smckusick } 38074556Smckusick 38123675Speter switch (setup(filesys)) { 38223675Speter case 0: 3831558Srgrimes if (preen) 3841558Srgrimes pfatal("CAN'T CHECK FILE SYSTEM."); 38541477Sjulian return (0); 38623675Speter case -1: 38775557Smckusick clean: 38886514Siedowse pwarn("clean, %ld free ", (long)(sblock.fs_cstotal.cs_nffree + 38986514Siedowse sblock.fs_frag * sblock.fs_cstotal.cs_nbfree)); 390100935Sphk printf("(%lld frags, %lld blocks, %.1f%% fragmentation)\n", 391100935Sphk (long long)sblock.fs_cstotal.cs_nffree, 392100935Sphk (long long)sblock.fs_cstotal.cs_nbfree, 39341477Sjulian sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize); 39431904Sbde return (0); 3952153Sdg } 396207141Sjeff /* 397207141Sjeff * Determine if we can and should do journal recovery. 398207141Sjeff */ 399209408Sdelphij if ((sblock.fs_flags & FS_SUJ) == FS_SUJ) { 400209408Sdelphij if ((sblock.fs_flags & FS_NEEDSFSCK) != FS_NEEDSFSCK && skipclean) { 401210793Sbz if (preen || reply("USE JOURNAL")) { 402209408Sdelphij if (suj_check(filesys) == 0) { 403209408Sdelphij printf("\n***** FILE SYSTEM MARKED CLEAN *****\n"); 404209408Sdelphij if (chkdoreload(mntp) == 0) 405209408Sdelphij exit(0); 406209408Sdelphij exit(4); 407209408Sdelphij } 408207141Sjeff } 409209408Sdelphij printf("** Skipping journal, falling through to full fsck\n\n"); 410207141Sjeff } 411207141Sjeff /* 412207141Sjeff * Write the superblock so we don't try to recover the 413207141Sjeff * journal on another pass. 414207141Sjeff */ 415207141Sjeff sblock.fs_mtime = time(NULL); 416207141Sjeff sbdirty(); 417207141Sjeff } 418221110Sdes 41955275Speter /* 42034266Sjulian * Cleared if any questions answered no. Used to decide if 42134266Sjulian * the superblock should be marked clean. 42234266Sjulian */ 42334266Sjulian resolved = 1; 42434266Sjulian /* 4251558Srgrimes * 1: scan inodes tallying blocks used 4261558Srgrimes */ 4271558Srgrimes if (preen == 0) { 4281558Srgrimes printf("** Last Mounted on %s\n", sblock.fs_fsmnt); 42974556Smckusick if (mntp != NULL && mntp->f_flags & MNT_ROOTFS) 430102231Strhodes printf("** Root file system\n"); 4311558Srgrimes printf("** Phase 1 - Check Blocks and Sizes\n"); 4321558Srgrimes } 433249788Smckusick clock_gettime(CLOCK_REALTIME_PRECISE, &startprog); 4341558Srgrimes pass1(); 435249788Smckusick IOstats("Pass1"); 4361558Srgrimes 4371558Srgrimes /* 4381558Srgrimes * 1b: locate first references to duplicates, if any 4391558Srgrimes */ 4401558Srgrimes if (duplist) { 44134266Sjulian if (preen || usedsoftdep) 442201708Smckusick pfatal("INTERNAL ERROR: dups with %s%s%s", 443201708Smckusick preen ? "-p" : "", 444201708Smckusick (preen && usedsoftdep) ? " and " : "", 445201708Smckusick usedsoftdep ? "softupdates" : ""); 4461558Srgrimes printf("** Phase 1b - Rescan For More DUPS\n"); 4471558Srgrimes pass1b(); 448249788Smckusick IOstats("Pass1b"); 4491558Srgrimes } 4501558Srgrimes 4511558Srgrimes /* 4521558Srgrimes * 2: traverse directories from root to mark all connected directories 4531558Srgrimes */ 4541558Srgrimes if (preen == 0) 4551558Srgrimes printf("** Phase 2 - Check Pathnames\n"); 4561558Srgrimes pass2(); 457249788Smckusick IOstats("Pass2"); 4581558Srgrimes 4591558Srgrimes /* 4601558Srgrimes * 3: scan inodes looking for disconnected directories 4611558Srgrimes */ 4621558Srgrimes if (preen == 0) 4631558Srgrimes printf("** Phase 3 - Check Connectivity\n"); 4641558Srgrimes pass3(); 465249788Smckusick IOstats("Pass3"); 4661558Srgrimes 4671558Srgrimes /* 4681558Srgrimes * 4: scan inodes looking for disconnected files; check reference counts 4691558Srgrimes */ 4701558Srgrimes if (preen == 0) 4711558Srgrimes printf("** Phase 4 - Check Reference Counts\n"); 4721558Srgrimes pass4(); 473249788Smckusick IOstats("Pass4"); 4741558Srgrimes 4751558Srgrimes /* 4761558Srgrimes * 5: check and repair resource counts in cylinder groups 4771558Srgrimes */ 4781558Srgrimes if (preen == 0) 4791558Srgrimes printf("** Phase 5 - Check Cyl groups\n"); 4801558Srgrimes pass5(); 481249788Smckusick IOstats("Pass5"); 4821558Srgrimes 4831558Srgrimes /* 4841558Srgrimes * print out summary statistics 4851558Srgrimes */ 4861558Srgrimes n_ffree = sblock.fs_cstotal.cs_nffree; 4871558Srgrimes n_bfree = sblock.fs_cstotal.cs_nbfree; 48874556Smckusick files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files; 48974556Smckusick blks = n_blks + 49074556Smckusick sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0)); 49174556Smckusick blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0); 49274556Smckusick blks += howmany(sblock.fs_cssize, sblock.fs_fsize); 49374556Smckusick blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks; 49474556Smckusick if (bkgrdflag && (files > 0 || blks > 0)) { 49574556Smckusick countdirs = sblock.fs_cstotal.cs_ndir - countdirs; 496100935Sphk pwarn("Reclaimed: %ld directories, %ld files, %lld fragments\n", 497100935Sphk countdirs, (long)files - countdirs, (long long)blks); 49874556Smckusick } 499101037Smux pwarn("%ld files, %jd used, %ju free ", 500101037Smux (long)n_files, (intmax_t)n_blks, 501101037Smux (uintmax_t)n_ffree + sblock.fs_frag * n_bfree); 502101037Smux printf("(%ju frags, %ju blocks, %.1f%% fragmentation)\n", 503101037Smux (uintmax_t)n_ffree, (uintmax_t)n_bfree, 504101037Smux n_ffree * 100.0 / sblock.fs_dsize); 5051558Srgrimes if (debug) { 50674556Smckusick if (files < 0) 50774556Smckusick printf("%d inodes missing\n", -files); 50874556Smckusick if (blks < 0) 509100935Sphk printf("%lld blocks missing\n", -(long long)blks); 5101558Srgrimes if (duplist != NULL) { 5111558Srgrimes printf("The following duplicate blocks remain:"); 5121558Srgrimes for (dp = duplist; dp; dp = dp->next) 513100935Sphk printf(" %lld,", (long long)dp->dup); 5141558Srgrimes printf("\n"); 5151558Srgrimes } 5161558Srgrimes } 5171558Srgrimes duplist = (struct dups *)0; 5181558Srgrimes muldup = (struct dups *)0; 5191558Srgrimes inocleanup(); 5202179Sdg if (fsmodified) { 52141474Sjulian sblock.fs_time = time(NULL); 5221558Srgrimes sbdirty(); 5231558Srgrimes } 5241558Srgrimes if (cvtlevel && sblk.b_dirty) { 5258871Srgrimes /* 5261558Srgrimes * Write out the duplicate super blocks 5271558Srgrimes */ 5281558Srgrimes for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 529163845Spjd blwrite(fswritefd, (char *)&sblock, 53098542Smckusick fsbtodb(&sblock, cgsblock(&sblock, cylno)), 53198542Smckusick SBLOCKSIZE); 5321558Srgrimes } 53334266Sjulian if (rerun) 53434266Sjulian resolved = 0; 535249788Smckusick finalIOstats(); 53655275Speter 53755725Speter /* 538102231Strhodes * Check to see if the file system is mounted read-write. 53955725Speter */ 54074556Smckusick if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0) 54155275Speter resolved = 0; 54234266Sjulian ckfini(resolved); 54341474Sjulian 54441474Sjulian for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 54541474Sjulian if (inostathead[cylno].il_stat != NULL) 54641474Sjulian free((char *)inostathead[cylno].il_stat); 54741474Sjulian free((char *)inostathead); 54841474Sjulian inostathead = NULL; 54941474Sjulian if (fsmodified && !preen) 5501558Srgrimes printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); 55118808Sguido if (rerun) 55218808Sguido printf("\n***** PLEASE RERUN FSCK *****\n"); 553171800Spjd if (chkdoreload(mntp) != 0) { 55441474Sjulian if (!fsmodified) 55541474Sjulian return (0); 5561558Srgrimes if (!preen) 5571558Srgrimes printf("\n***** REBOOT NOW *****\n"); 5581558Srgrimes sync(); 5591558Srgrimes return (4); 5601558Srgrimes } 5611558Srgrimes return (0); 5621558Srgrimes} 56355275Speter 564171800Spjdstatic int 565171800Spjdchkdoreload(struct statfs *mntp) 566171800Spjd{ 567172236Srodrigc struct iovec *iov; 568172236Srodrigc int iovlen; 569172236Srodrigc char errmsg[255]; 570171800Spjd 571171800Spjd if (mntp == NULL) 572171800Spjd return (0); 573172236Srodrigc 574172236Srodrigc iov = NULL; 575172236Srodrigc iovlen = 0; 576172236Srodrigc errmsg[0] = '\0'; 577171800Spjd /* 578171800Spjd * We modified a mounted file system. Do a mount update on 579171800Spjd * it unless it is read-write, so we can continue using it 580171800Spjd * as safely as possible. 581171800Spjd */ 582171800Spjd if (mntp->f_flags & MNT_RDONLY) { 583172236Srodrigc build_iovec(&iov, &iovlen, "fstype", "ffs", 4); 584172236Srodrigc build_iovec(&iov, &iovlen, "from", mntp->f_mntfromname, 585172236Srodrigc (size_t)-1); 586172236Srodrigc build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, 587172236Srodrigc (size_t)-1); 588172236Srodrigc build_iovec(&iov, &iovlen, "errmsg", errmsg, 589172236Srodrigc sizeof(errmsg)); 590176822Srodrigc build_iovec(&iov, &iovlen, "update", NULL, 0); 591182027Srodrigc build_iovec(&iov, &iovlen, "reload", NULL, 0); 592177905Srodrigc /* 593177905Srodrigc * XX: We need the following line until we clean up 594177905Srodrigc * nmount parsing of root mounts and NFS root mounts. 595221110Sdes */ 596176822Srodrigc build_iovec(&iov, &iovlen, "ro", NULL, 0); 597186471Sobrien if (nmount(iov, iovlen, mntp->f_flags) == 0) { 598171800Spjd return (0); 599171800Spjd } 600172236Srodrigc pwarn("mount reload of '%s' failed: %s %s\n\n", 601172236Srodrigc mntp->f_mntonname, strerror(errno), errmsg); 602171800Spjd return (1); 603171800Spjd } 604171800Spjd return (0); 605171800Spjd} 606171800Spjd 60755275Speter/* 60875927Smckusick * Get the mount point information for name. 60955275Speter */ 61055275Speterstatic struct statfs * 61192839Simpgetmntpt(const char *name) 61255275Speter{ 61355725Speter struct stat devstat, mntdevstat; 61455725Speter char device[sizeof(_PATH_DEV) - 1 + MNAMELEN]; 615100935Sphk char *ddevname; 61675927Smckusick struct statfs *mntbuf, *statfsp; 61775927Smckusick int i, mntsize, isdev; 61855275Speter 61975927Smckusick if (stat(name, &devstat) != 0) 62055275Speter return (NULL); 62175927Smckusick if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode)) 62275927Smckusick isdev = 1; 62375927Smckusick else 62475927Smckusick isdev = 0; 62555275Speter mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 62655275Speter for (i = 0; i < mntsize; i++) { 62775927Smckusick statfsp = &mntbuf[i]; 628100935Sphk ddevname = statfsp->f_mntfromname; 629100935Sphk if (*ddevname != '/') { 63055725Speter strcpy(device, _PATH_DEV); 631100935Sphk strcat(device, ddevname); 63275927Smckusick strcpy(statfsp->f_mntfromname, device); 63355725Speter } 63475927Smckusick if (isdev == 0) { 63575927Smckusick if (strcmp(name, statfsp->f_mntonname)) 63675927Smckusick continue; 63775927Smckusick return (statfsp); 63875927Smckusick } 639100935Sphk if (stat(ddevname, &mntdevstat) == 0 && 64055725Speter mntdevstat.st_rdev == devstat.st_rdev) 64175927Smckusick return (statfsp); 64255275Speter } 64375927Smckusick statfsp = NULL; 64475927Smckusick return (statfsp); 64555275Speter} 64666861Sadrian 64766861Sadrianstatic void 64892839Simpusage(void) 64966861Sadrian{ 650221110Sdes (void) fprintf(stderr, 651225359Sdes "usage: %s [-BEFfnpry] [-b block] [-c level] [-m mode] " 652221110Sdes "filesystem ...\n", 653221110Sdes getprogname()); 654221110Sdes exit(1); 65566861Sadrian} 656