18fae3551SRodney W. Grimes /* 28fae3551SRodney W. Grimes * Copyright (c) 1980, 1986, 1993 38fae3551SRodney W. Grimes * The Regents of the University of California. All rights reserved. 48fae3551SRodney W. Grimes * 58fae3551SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 68fae3551SRodney W. Grimes * modification, are permitted provided that the following conditions 78fae3551SRodney W. Grimes * are met: 88fae3551SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 98fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 108fae3551SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 118fae3551SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 128fae3551SRodney W. Grimes * documentation and/or other materials provided with the distribution. 138fae3551SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 148fae3551SRodney W. Grimes * must display the following acknowledgement: 158fae3551SRodney W. Grimes * This product includes software developed by the University of 168fae3551SRodney W. Grimes * California, Berkeley and its contributors. 178fae3551SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 188fae3551SRodney W. Grimes * may be used to endorse or promote products derived from this software 198fae3551SRodney W. Grimes * without specific prior written permission. 208fae3551SRodney W. Grimes * 218fae3551SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 228fae3551SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 238fae3551SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 248fae3551SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 258fae3551SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 268fae3551SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 278fae3551SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 288fae3551SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 298fae3551SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 308fae3551SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 318fae3551SRodney W. Grimes * SUCH DAMAGE. 328fae3551SRodney W. Grimes */ 338fae3551SRodney W. Grimes 348fae3551SRodney W. Grimes #ifndef lint 3531f4ab50SBruce Evans static const char copyright[] = 368fae3551SRodney W. Grimes "@(#) Copyright (c) 1980, 1986, 1993\n\ 378fae3551SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 388fae3551SRodney W. Grimes #endif /* not lint */ 398fae3551SRodney W. Grimes 408fae3551SRodney W. Grimes #ifndef lint 416b100474SJulian Elischer #if 0 426b100474SJulian Elischer static char sccsid[] = "@(#)main.c 8.6 (Berkeley) 5/14/95"; 436b100474SJulian Elischer #endif 446b100474SJulian Elischer static const char rcsid[] = 457f3dea24SPeter Wemm "$FreeBSD$"; 468fae3551SRodney W. Grimes #endif /* not lint */ 478fae3551SRodney W. Grimes 488fae3551SRodney W. Grimes #include <sys/param.h> 49571b29eeSPeter Wemm #include <sys/stat.h> 5038375c40SKirk McKusick #include <sys/file.h> 518fae3551SRodney W. Grimes #include <sys/time.h> 528fae3551SRodney W. Grimes #include <sys/mount.h> 5333966081SMatt Jacob #include <sys/resource.h> 54bf58d635SIan Dowse #include <sys/sysctl.h> 55780a5c1eSPeter Wemm 568fae3551SRodney W. Grimes #include <ufs/ufs/dinode.h> 57780a5c1eSPeter Wemm #include <ufs/ufs/ufsmount.h> 588fae3551SRodney W. Grimes #include <ufs/ffs/fs.h> 59780a5c1eSPeter Wemm 60780a5c1eSPeter Wemm #include <err.h> 61d0e1503bSPeter Wemm #include <errno.h> 628fae3551SRodney W. Grimes #include <fstab.h> 63d0e1503bSPeter Wemm #include <paths.h> 64bf58d635SIan Dowse #include <string.h> 65780a5c1eSPeter Wemm 668fae3551SRodney W. Grimes #include "fsck.h" 67780a5c1eSPeter Wemm 689ea6f4f0SAdrian Chadd static void usage __P((void)); 6931f4ab50SBruce Evans static int argtoi __P((int flag, char *req, char *str, int base)); 70bf58d635SIan Dowse static int checkfilesys __P((char *filesys)); 71571b29eeSPeter Wemm static struct statfs *getmntpt __P((const char *)); 72780a5c1eSPeter Wemm int main __P((int argc, char *argv[])); 738fae3551SRodney W. Grimes 7431f4ab50SBruce Evans int 758fae3551SRodney W. Grimes main(argc, argv) 768fae3551SRodney W. Grimes int argc; 778fae3551SRodney W. Grimes char *argv[]; 788fae3551SRodney W. Grimes { 798fae3551SRodney W. Grimes int ch; 80d33e92f9SJulian Elischer struct rlimit rlimit; 819ea6f4f0SAdrian Chadd int ret = 0; 828fae3551SRodney W. Grimes 838fae3551SRodney W. Grimes sync(); 849ea6f4f0SAdrian Chadd skipclean = 1; 8515fca934SKirk McKusick while ((ch = getopt(argc, argv, "b:Bc:dfFm:npy")) != -1) { 868fae3551SRodney W. Grimes switch (ch) { 878fae3551SRodney W. Grimes case 'b': 889ea6f4f0SAdrian Chadd skipclean = 0; 898fae3551SRodney W. Grimes bflag = argtoi('b', "number", optarg, 10); 908fae3551SRodney W. Grimes printf("Alternate super block location: %d\n", bflag); 918fae3551SRodney W. Grimes break; 928fae3551SRodney W. Grimes 937578c6abSKirk McKusick case 'B': 947578c6abSKirk McKusick bkgrdflag = 1; 957578c6abSKirk McKusick break; 967578c6abSKirk McKusick 978fae3551SRodney W. Grimes case 'c': 989ea6f4f0SAdrian Chadd skipclean = 0; 998fae3551SRodney W. Grimes cvtlevel = argtoi('c', "conversion level", optarg, 10); 1008fae3551SRodney W. Grimes break; 1018fae3551SRodney W. Grimes 1028fae3551SRodney W. Grimes case 'd': 1038fae3551SRodney W. Grimes debug++; 1048fae3551SRodney W. Grimes break; 1058fae3551SRodney W. Grimes 10641cee58cSDavid Greenman case 'f': 1079ea6f4f0SAdrian Chadd skipclean = 0; 1088fae3551SRodney W. Grimes break; 1098fae3551SRodney W. Grimes 11015fca934SKirk McKusick case 'F': 11115fca934SKirk McKusick bkgrdcheck = 1; 11215fca934SKirk McKusick break; 11315fca934SKirk McKusick 1148fae3551SRodney W. Grimes case 'm': 1158fae3551SRodney W. Grimes lfmode = argtoi('m', "mode", optarg, 8); 1168fae3551SRodney W. Grimes if (lfmode &~ 07777) 117780a5c1eSPeter Wemm errx(EEXIT, "bad mode to -m: %o", lfmode); 1188fae3551SRodney W. Grimes printf("** lost+found creation mode %o\n", lfmode); 1198fae3551SRodney W. Grimes break; 1208fae3551SRodney W. Grimes 1218fae3551SRodney W. Grimes case 'n': 1228fae3551SRodney W. Grimes nflag++; 1238fae3551SRodney W. Grimes yflag = 0; 1248fae3551SRodney W. Grimes break; 1258fae3551SRodney W. Grimes 1269ea6f4f0SAdrian Chadd case 'p': 1279ea6f4f0SAdrian Chadd preen++; 1289ea6f4f0SAdrian Chadd break; 1299ea6f4f0SAdrian Chadd 1308fae3551SRodney W. Grimes case 'y': 1318fae3551SRodney W. Grimes yflag++; 1328fae3551SRodney W. Grimes nflag = 0; 1338fae3551SRodney W. Grimes break; 1348fae3551SRodney W. Grimes 1358fae3551SRodney W. Grimes default: 1369ea6f4f0SAdrian Chadd usage(); 1378fae3551SRodney W. Grimes } 1388fae3551SRodney W. Grimes } 1398fae3551SRodney W. Grimes argc -= optind; 1408fae3551SRodney W. Grimes argv += optind; 1419ea6f4f0SAdrian Chadd 1429ea6f4f0SAdrian Chadd if (!argc) 1439ea6f4f0SAdrian Chadd usage(); 1449ea6f4f0SAdrian Chadd 1458fae3551SRodney W. Grimes if (signal(SIGINT, SIG_IGN) != SIG_IGN) 1468fae3551SRodney W. Grimes (void)signal(SIGINT, catch); 1478fae3551SRodney W. Grimes if (preen) 1488fae3551SRodney W. Grimes (void)signal(SIGQUIT, catchquit); 1496db798caSIan Dowse signal(SIGINFO, infohandler); 150d33e92f9SJulian Elischer /* 151d33e92f9SJulian Elischer * Push up our allowed memory limit so we can cope 152d33e92f9SJulian Elischer * with huge filesystems. 153d33e92f9SJulian Elischer */ 154d33e92f9SJulian Elischer if (getrlimit(RLIMIT_DATA, &rlimit) == 0) { 155d33e92f9SJulian Elischer rlimit.rlim_cur = rlimit.rlim_max; 156d33e92f9SJulian Elischer (void)setrlimit(RLIMIT_DATA, &rlimit); 157d33e92f9SJulian Elischer } 1589ea6f4f0SAdrian Chadd while (argc-- > 0) 159bf58d635SIan Dowse (void)checkfilesys(*argv++); 160d33e92f9SJulian Elischer 1618fae3551SRodney W. Grimes if (returntosingle) 1629ea6f4f0SAdrian Chadd ret = 2; 1638fae3551SRodney W. Grimes exit(ret); 1648fae3551SRodney W. Grimes } 1658fae3551SRodney W. Grimes 166780a5c1eSPeter Wemm static int 1678fae3551SRodney W. Grimes argtoi(flag, req, str, base) 1688fae3551SRodney W. Grimes int flag; 1698fae3551SRodney W. Grimes char *req, *str; 1708fae3551SRodney W. Grimes int base; 1718fae3551SRodney W. Grimes { 1728fae3551SRodney W. Grimes char *cp; 1738fae3551SRodney W. Grimes int ret; 1748fae3551SRodney W. Grimes 1758fae3551SRodney W. Grimes ret = (int)strtol(str, &cp, base); 1768fae3551SRodney W. Grimes if (cp == str || *cp) 177780a5c1eSPeter Wemm errx(EEXIT, "-%c flag requires a %s", flag, req); 1788fae3551SRodney W. Grimes return (ret); 1798fae3551SRodney W. Grimes } 1808fae3551SRodney W. Grimes 1818fae3551SRodney W. Grimes /* 1828fae3551SRodney W. Grimes * Check the specified filesystem. 1838fae3551SRodney W. Grimes */ 1848fae3551SRodney W. Grimes /* ARGSUSED */ 185780a5c1eSPeter Wemm static int 186bf58d635SIan Dowse checkfilesys(filesys) 187bf58d635SIan Dowse char *filesys; 1888fae3551SRodney W. Grimes { 189780a5c1eSPeter Wemm ufs_daddr_t n_ffree, n_bfree; 1907578c6abSKirk McKusick struct ufs_args args; 1918fae3551SRodney W. Grimes struct dups *dp; 1927578c6abSKirk McKusick struct statfs *mntp; 193d0e1503bSPeter Wemm struct zlncnt *zlnp; 1947578c6abSKirk McKusick ufs_daddr_t blks; 1957578c6abSKirk McKusick ufs_daddr_t files; 19615fca934SKirk McKusick int cylno, size; 1978fae3551SRodney W. Grimes 1988fae3551SRodney W. Grimes cdevname = filesys; 1998fae3551SRodney W. Grimes if (debug && preen) 2008fae3551SRodney W. Grimes pwarn("starting\n"); 20115fca934SKirk McKusick /* 20215fca934SKirk McKusick * Make best effort to get the disk name. Check first to see 20315fca934SKirk McKusick * if it is listed among the mounted filesystems. Failing that 20415fca934SKirk McKusick * check to see if it is listed in /etc/fstab. 20515fca934SKirk McKusick */ 20615fca934SKirk McKusick mntp = getmntpt(filesys); 20715fca934SKirk McKusick if (mntp != NULL) 20815fca934SKirk McKusick filesys = mntp->f_mntfromname; 20915fca934SKirk McKusick else 21015fca934SKirk McKusick filesys = blockcheck(filesys); 21115fca934SKirk McKusick /* 21215fca934SKirk McKusick * If -F flag specified, check to see whether a background check 21315fca934SKirk McKusick * is possible and needed. If possible and needed, exit with 21415fca934SKirk McKusick * status zero. Otherwise exit with status non-zero. A non-zero 21515fca934SKirk McKusick * exit status will cause a foreground check to be run. 21615fca934SKirk McKusick */ 21738375c40SKirk McKusick sblock_init(); 21815fca934SKirk McKusick if (bkgrdcheck) { 21915fca934SKirk McKusick if ((fsreadfd = open(filesys, O_RDONLY)) < 0 || readsb(0) == 0) 22015fca934SKirk McKusick exit(3); /* Cannot read superblock */ 22115fca934SKirk McKusick close(fsreadfd); 22215fca934SKirk McKusick if (sblock.fs_flags & FS_NEEDSFSCK) 22315fca934SKirk McKusick exit(4); /* Earlier background failed */ 22415fca934SKirk McKusick if ((sblock.fs_flags & FS_DOSOFTDEP) == 0) 22515fca934SKirk McKusick exit(5); /* Not running soft updates */ 22615fca934SKirk McKusick size = MIBSIZE; 22715fca934SKirk McKusick if (sysctlnametomib("vfs.ffs.adjrefcnt", adjrefcnt, &size) < 0) 22815fca934SKirk McKusick exit(6); /* Lacks kernel support */ 22915fca934SKirk McKusick if ((mntp == NULL && sblock.fs_clean == 1) || 23015fca934SKirk McKusick (mntp != NULL && (sblock.fs_flags & FS_UNCLEAN) == 0)) 23115fca934SKirk McKusick exit(7); /* Filesystem clean, report it now */ 23215fca934SKirk McKusick exit(0); 23315fca934SKirk McKusick } 2347578c6abSKirk McKusick /* 2357578c6abSKirk McKusick * If we are to do a background check: 2367578c6abSKirk McKusick * Get the mount point information of the filesystem 2377578c6abSKirk McKusick * create snapshot file 2387578c6abSKirk McKusick * return created snapshot file 2397578c6abSKirk McKusick * if not found, clear bkgrdflag and proceed with normal fsck 2407578c6abSKirk McKusick */ 2417578c6abSKirk McKusick if (bkgrdflag) { 2427578c6abSKirk McKusick if (mntp == NULL) { 2437578c6abSKirk McKusick bkgrdflag = 0; 24438375c40SKirk McKusick pfatal("NOT MOUNTED, CANNOT RUN IN BACKGROUND\n"); 2457578c6abSKirk McKusick } else if ((mntp->f_flags & MNT_SOFTDEP) == 0) { 2467578c6abSKirk McKusick bkgrdflag = 0; 24738375c40SKirk McKusick pfatal("NOT USING SOFT UPDATES, %s\n", 24838375c40SKirk McKusick "CANNOT RUN IN BACKGROUND"); 2497578c6abSKirk McKusick } else if ((mntp->f_flags & MNT_RDONLY) != 0) { 2507578c6abSKirk McKusick bkgrdflag = 0; 25138375c40SKirk McKusick pfatal("MOUNTED READ-ONLY, CANNOT RUN IN BACKGROUND\n"); 25238375c40SKirk McKusick } else if ((fsreadfd = open(filesys, O_RDONLY)) >= 0) { 25338375c40SKirk McKusick if (readsb(0) != 0) { 25438375c40SKirk McKusick if (sblock.fs_flags & FS_NEEDSFSCK) { 25538375c40SKirk McKusick bkgrdflag = 0; 25638375c40SKirk McKusick pfatal("UNEXPECTED INCONSISTENCY, %s\n", 25738375c40SKirk McKusick "CANNOT RUN IN BACKGROUND\n"); 25838375c40SKirk McKusick } 25938375c40SKirk McKusick if ((sblock.fs_flags & FS_UNCLEAN) == 0 && 26038375c40SKirk McKusick skipclean && preen) { 26138375c40SKirk McKusick /* 26238375c40SKirk McKusick * filesystem is clean; 26338375c40SKirk McKusick * skip snapshot and report it clean 26438375c40SKirk McKusick */ 26538375c40SKirk McKusick pwarn("FILESYSTEM CLEAN; %s\n", 26638375c40SKirk McKusick "SKIPPING CHECKS"); 26738375c40SKirk McKusick goto clean; 26838375c40SKirk McKusick } 26938375c40SKirk McKusick } 27038375c40SKirk McKusick close(fsreadfd); 27138375c40SKirk McKusick } 27238375c40SKirk McKusick if (bkgrdflag) { 2737578c6abSKirk McKusick snprintf(snapname, sizeof snapname, "%s/.fsck_snapshot", 2747578c6abSKirk McKusick mntp->f_mntonname); 2757578c6abSKirk McKusick args.fspec = snapname; 2767578c6abSKirk McKusick while (mount("ffs", mntp->f_mntonname, 2777578c6abSKirk McKusick mntp->f_flags | MNT_UPDATE | MNT_SNAPSHOT, 2787578c6abSKirk McKusick &args) < 0) { 2797578c6abSKirk McKusick if (errno == EEXIST && unlink(snapname) == 0) 2807578c6abSKirk McKusick continue; 2817578c6abSKirk McKusick bkgrdflag = 0; 28238375c40SKirk McKusick pfatal("CANNOT CREATE SNAPSHOT %s: %s\n", 2837578c6abSKirk McKusick snapname, strerror(errno)); 2847578c6abSKirk McKusick break; 2857578c6abSKirk McKusick } 2867578c6abSKirk McKusick if (bkgrdflag != 0) 2877578c6abSKirk McKusick filesys = snapname; 2887578c6abSKirk McKusick } 2897578c6abSKirk McKusick } 2907578c6abSKirk McKusick 291780a5c1eSPeter Wemm switch (setup(filesys)) { 292780a5c1eSPeter Wemm case 0: 2938fae3551SRodney W. Grimes if (preen) 2948fae3551SRodney W. Grimes pfatal("CAN'T CHECK FILE SYSTEM."); 2956b100474SJulian Elischer return (0); 296780a5c1eSPeter Wemm case -1: 29738375c40SKirk McKusick clean: 298bf58d635SIan Dowse pwarn("clean, %ld free ", (long)(sblock.fs_cstotal.cs_nffree + 299bf58d635SIan Dowse sblock.fs_frag * sblock.fs_cstotal.cs_nbfree)); 3006b100474SJulian Elischer printf("(%d frags, %d blocks, %.1f%% fragmentation)\n", 3016b100474SJulian Elischer sblock.fs_cstotal.cs_nffree, sblock.fs_cstotal.cs_nbfree, 3026b100474SJulian Elischer sblock.fs_cstotal.cs_nffree * 100.0 / sblock.fs_dsize); 30341cee58cSDavid Greenman return (0); 30441cee58cSDavid Greenman } 3056b100474SJulian Elischer 3068fae3551SRodney W. Grimes /* 307b1897c19SJulian Elischer * Cleared if any questions answered no. Used to decide if 308b1897c19SJulian Elischer * the superblock should be marked clean. 309b1897c19SJulian Elischer */ 310b1897c19SJulian Elischer resolved = 1; 311b1897c19SJulian Elischer /* 3128fae3551SRodney W. Grimes * 1: scan inodes tallying blocks used 3138fae3551SRodney W. Grimes */ 3148fae3551SRodney W. Grimes if (preen == 0) { 3158fae3551SRodney W. Grimes printf("** Last Mounted on %s\n", sblock.fs_fsmnt); 3167578c6abSKirk McKusick if (mntp != NULL && mntp->f_flags & MNT_ROOTFS) 3178fae3551SRodney W. Grimes printf("** Root file system\n"); 3188fae3551SRodney W. Grimes printf("** Phase 1 - Check Blocks and Sizes\n"); 3198fae3551SRodney W. Grimes } 3208fae3551SRodney W. Grimes pass1(); 3218fae3551SRodney W. Grimes 3228fae3551SRodney W. Grimes /* 3238fae3551SRodney W. Grimes * 1b: locate first references to duplicates, if any 3248fae3551SRodney W. Grimes */ 3258fae3551SRodney W. Grimes if (duplist) { 326b1897c19SJulian Elischer if (preen || usedsoftdep) 3278fae3551SRodney W. Grimes pfatal("INTERNAL ERROR: dups with -p"); 3288fae3551SRodney W. Grimes printf("** Phase 1b - Rescan For More DUPS\n"); 3298fae3551SRodney W. Grimes pass1b(); 3308fae3551SRodney W. Grimes } 3318fae3551SRodney W. Grimes 3328fae3551SRodney W. Grimes /* 3338fae3551SRodney W. Grimes * 2: traverse directories from root to mark all connected directories 3348fae3551SRodney W. Grimes */ 3358fae3551SRodney W. Grimes if (preen == 0) 3368fae3551SRodney W. Grimes printf("** Phase 2 - Check Pathnames\n"); 3378fae3551SRodney W. Grimes pass2(); 3388fae3551SRodney W. Grimes 3398fae3551SRodney W. Grimes /* 3408fae3551SRodney W. Grimes * 3: scan inodes looking for disconnected directories 3418fae3551SRodney W. Grimes */ 3428fae3551SRodney W. Grimes if (preen == 0) 3438fae3551SRodney W. Grimes printf("** Phase 3 - Check Connectivity\n"); 3448fae3551SRodney W. Grimes pass3(); 3458fae3551SRodney W. Grimes 3468fae3551SRodney W. Grimes /* 3478fae3551SRodney W. Grimes * 4: scan inodes looking for disconnected files; check reference counts 3488fae3551SRodney W. Grimes */ 3498fae3551SRodney W. Grimes if (preen == 0) 3508fae3551SRodney W. Grimes printf("** Phase 4 - Check Reference Counts\n"); 3518fae3551SRodney W. Grimes pass4(); 3528fae3551SRodney W. Grimes 3538fae3551SRodney W. Grimes /* 3548fae3551SRodney W. Grimes * 5: check and repair resource counts in cylinder groups 3558fae3551SRodney W. Grimes */ 3568fae3551SRodney W. Grimes if (preen == 0) 3578fae3551SRodney W. Grimes printf("** Phase 5 - Check Cyl groups\n"); 3588fae3551SRodney W. Grimes pass5(); 3598fae3551SRodney W. Grimes 3608fae3551SRodney W. Grimes /* 3618fae3551SRodney W. Grimes * print out summary statistics 3628fae3551SRodney W. Grimes */ 3638fae3551SRodney W. Grimes n_ffree = sblock.fs_cstotal.cs_nffree; 3648fae3551SRodney W. Grimes n_bfree = sblock.fs_cstotal.cs_nbfree; 3657578c6abSKirk McKusick files = maxino - ROOTINO - sblock.fs_cstotal.cs_nifree - n_files; 3667578c6abSKirk McKusick blks = n_blks + 3677578c6abSKirk McKusick sblock.fs_ncg * (cgdmin(&sblock, 0) - cgsblock(&sblock, 0)); 3687578c6abSKirk McKusick blks += cgsblock(&sblock, 0) - cgbase(&sblock, 0); 3697578c6abSKirk McKusick blks += howmany(sblock.fs_cssize, sblock.fs_fsize); 3707578c6abSKirk McKusick blks = maxfsblock - (n_ffree + sblock.fs_frag * n_bfree) - blks; 3717578c6abSKirk McKusick if (bkgrdflag && (files > 0 || blks > 0)) { 3727578c6abSKirk McKusick countdirs = sblock.fs_cstotal.cs_ndir - countdirs; 373bf58d635SIan Dowse pwarn("Reclaimed: %ld directories, %ld files, %d fragments\n", 374bf58d635SIan Dowse countdirs, (long)files - countdirs, blks); 3757578c6abSKirk McKusick } 3768fae3551SRodney W. Grimes pwarn("%ld files, %ld used, %ld free ", 377bf58d635SIan Dowse (long)n_files, (long)n_blks, (long)(n_ffree + 378bf58d635SIan Dowse sblock.fs_frag * n_bfree)); 379ccc3fadfSBruce Evans printf("(%d frags, %d blocks, %.1f%% fragmentation)\n", 380ccc3fadfSBruce Evans n_ffree, n_bfree, n_ffree * 100.0 / sblock.fs_dsize); 3818fae3551SRodney W. Grimes if (debug) { 3827578c6abSKirk McKusick if (files < 0) 3837578c6abSKirk McKusick printf("%d inodes missing\n", -files); 3847578c6abSKirk McKusick if (blks < 0) 3857578c6abSKirk McKusick printf("%d blocks missing\n", -blks); 3868fae3551SRodney W. Grimes if (duplist != NULL) { 3878fae3551SRodney W. Grimes printf("The following duplicate blocks remain:"); 3888fae3551SRodney W. Grimes for (dp = duplist; dp; dp = dp->next) 389ccc3fadfSBruce Evans printf(" %d,", dp->dup); 3908fae3551SRodney W. Grimes printf("\n"); 3918fae3551SRodney W. Grimes } 3928fae3551SRodney W. Grimes if (zlnhead != NULL) { 3938fae3551SRodney W. Grimes printf("The following zero link count inodes remain:"); 3948fae3551SRodney W. Grimes for (zlnp = zlnhead; zlnp; zlnp = zlnp->next) 395ccc3fadfSBruce Evans printf(" %u,", zlnp->zlncnt); 3968fae3551SRodney W. Grimes printf("\n"); 3978fae3551SRodney W. Grimes } 3988fae3551SRodney W. Grimes } 3998fae3551SRodney W. Grimes zlnhead = (struct zlncnt *)0; 4008fae3551SRodney W. Grimes duplist = (struct dups *)0; 4018fae3551SRodney W. Grimes muldup = (struct dups *)0; 4028fae3551SRodney W. Grimes inocleanup(); 403802cd8e6SDavid Greenman if (fsmodified) { 404d33e92f9SJulian Elischer sblock.fs_time = time(NULL); 4058fae3551SRodney W. Grimes sbdirty(); 4068fae3551SRodney W. Grimes } 4078fae3551SRodney W. Grimes if (cvtlevel && sblk.b_dirty) { 4088fae3551SRodney W. Grimes /* 4098fae3551SRodney W. Grimes * Write out the duplicate super blocks 4108fae3551SRodney W. Grimes */ 4118fae3551SRodney W. Grimes for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 4128fae3551SRodney W. Grimes bwrite(fswritefd, (char *)&sblock, 4138fae3551SRodney W. Grimes fsbtodb(&sblock, cgsblock(&sblock, cylno)), SBSIZE); 4148fae3551SRodney W. Grimes } 415b1897c19SJulian Elischer if (rerun) 416b1897c19SJulian Elischer resolved = 0; 417571b29eeSPeter Wemm 418d0e1503bSPeter Wemm /* 419aa5344b7SPeter Wemm * Check to see if the filesystem is mounted read-write. 420d0e1503bSPeter Wemm */ 4217578c6abSKirk McKusick if (bkgrdflag == 0 && mntp != NULL && (mntp->f_flags & MNT_RDONLY) == 0) 422b1897c19SJulian Elischer resolved = 0; 423b1897c19SJulian Elischer ckfini(resolved); 424d33e92f9SJulian Elischer 425d33e92f9SJulian Elischer for (cylno = 0; cylno < sblock.fs_ncg; cylno++) 426d33e92f9SJulian Elischer if (inostathead[cylno].il_stat != NULL) 427d33e92f9SJulian Elischer free((char *)inostathead[cylno].il_stat); 428d33e92f9SJulian Elischer free((char *)inostathead); 429d33e92f9SJulian Elischer inostathead = NULL; 430d33e92f9SJulian Elischer if (fsmodified && !preen) 4318fae3551SRodney W. Grimes printf("\n***** FILE SYSTEM WAS MODIFIED *****\n"); 43247ceb636SGuido van Rooij if (rerun) 43347ceb636SGuido van Rooij printf("\n***** PLEASE RERUN FSCK *****\n"); 4347578c6abSKirk McKusick if (mntp != NULL) { 435780a5c1eSPeter Wemm struct ufs_args args; 436780a5c1eSPeter Wemm int ret; 437d0e1503bSPeter Wemm /* 438d0e1503bSPeter Wemm * We modified a mounted filesystem. Do a mount update on 439d0e1503bSPeter Wemm * it unless it is read-write, so we can continue using it 440d0e1503bSPeter Wemm * as safely as possible. 441d0e1503bSPeter Wemm */ 4427578c6abSKirk McKusick if (mntp->f_flags & MNT_RDONLY) { 4438fae3551SRodney W. Grimes args.fspec = 0; 4448fae3551SRodney W. Grimes args.export.ex_flags = 0; 4458fae3551SRodney W. Grimes args.export.ex_root = 0; 4467578c6abSKirk McKusick ret = mount("ufs", mntp->f_mntonname, 4477578c6abSKirk McKusick mntp->f_flags | MNT_UPDATE | MNT_RELOAD, &args); 4488fae3551SRodney W. Grimes if (ret == 0) 449d0e1503bSPeter Wemm return (0); 450d0e1503bSPeter Wemm pwarn("mount reload of '%s' failed: %s\n\n", 4517578c6abSKirk McKusick mntp->f_mntonname, strerror(errno)); 452d0e1503bSPeter Wemm } 453d33e92f9SJulian Elischer if (!fsmodified) 454d33e92f9SJulian Elischer return (0); 4558fae3551SRodney W. Grimes if (!preen) 4568fae3551SRodney W. Grimes printf("\n***** REBOOT NOW *****\n"); 4578fae3551SRodney W. Grimes sync(); 4588fae3551SRodney W. Grimes return (4); 4598fae3551SRodney W. Grimes } 4608fae3551SRodney W. Grimes return (0); 4618fae3551SRodney W. Grimes } 462571b29eeSPeter Wemm 463571b29eeSPeter Wemm /* 46415fca934SKirk McKusick * Get the mount point information for name. 465571b29eeSPeter Wemm */ 466571b29eeSPeter Wemm static struct statfs * 467571b29eeSPeter Wemm getmntpt(name) 468571b29eeSPeter Wemm const char *name; 469571b29eeSPeter Wemm { 470571b29eeSPeter Wemm struct stat devstat, mntdevstat; 471d0e1503bSPeter Wemm char device[sizeof(_PATH_DEV) - 1 + MNAMELEN]; 472d0e1503bSPeter Wemm char *devname; 47315fca934SKirk McKusick struct statfs *mntbuf, *statfsp; 47415fca934SKirk McKusick int i, mntsize, isdev; 475571b29eeSPeter Wemm 47615fca934SKirk McKusick if (stat(name, &devstat) != 0) 477571b29eeSPeter Wemm return (NULL); 47815fca934SKirk McKusick if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode)) 47915fca934SKirk McKusick isdev = 1; 48015fca934SKirk McKusick else 48115fca934SKirk McKusick isdev = 0; 482571b29eeSPeter Wemm mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); 483571b29eeSPeter Wemm for (i = 0; i < mntsize; i++) { 48415fca934SKirk McKusick statfsp = &mntbuf[i]; 48515fca934SKirk McKusick devname = statfsp->f_mntfromname; 486d0e1503bSPeter Wemm if (*devname != '/') { 487d0e1503bSPeter Wemm strcpy(device, _PATH_DEV); 488d0e1503bSPeter Wemm strcat(device, devname); 48915fca934SKirk McKusick strcpy(statfsp->f_mntfromname, device); 49015fca934SKirk McKusick } 49115fca934SKirk McKusick if (isdev == 0) { 49215fca934SKirk McKusick if (strcmp(name, statfsp->f_mntonname)) 49315fca934SKirk McKusick continue; 49415fca934SKirk McKusick return (statfsp); 495d0e1503bSPeter Wemm } 496aa5344b7SPeter Wemm if (stat(devname, &mntdevstat) == 0 && 497d0e1503bSPeter Wemm mntdevstat.st_rdev == devstat.st_rdev) 49815fca934SKirk McKusick return (statfsp); 499571b29eeSPeter Wemm } 50015fca934SKirk McKusick statfsp = NULL; 50115fca934SKirk McKusick return (statfsp); 502571b29eeSPeter Wemm } 5039ea6f4f0SAdrian Chadd 5049ea6f4f0SAdrian Chadd static void 5059ea6f4f0SAdrian Chadd usage() 5069ea6f4f0SAdrian Chadd { 5079ea6f4f0SAdrian Chadd extern char *__progname; 5089ea6f4f0SAdrian Chadd 5099ea6f4f0SAdrian Chadd (void) fprintf(stderr, 510f4a225c7SKirk McKusick "Usage: %s [-BFpfny] [-b block] [-c level] [-m mode] " 5119ea6f4f0SAdrian Chadd "filesystem ...\n", 5129ea6f4f0SAdrian Chadd __progname); 5139ea6f4f0SAdrian Chadd exit(1); 5149ea6f4f0SAdrian Chadd } 515