/* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #if 0 #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1983, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint static char sccsid[] = "@(#)tunefs.c 8.2 (Berkeley) 4/19/94"; #endif /* not lint */ #endif #include __FBSDID("$FreeBSD$"); /* * tunefs: change layout parameters to an existing file system. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* the optimization warning string template */ #define OPTWARN "should optimize for %s with minfree %s %d%%" static int blocks; static char clrbuf[MAXBSIZE]; static struct uufsd disk; #define sblock disk.d_fs static void usage(void); static void printfs(void); static int journal_alloc(int64_t size); static void journal_clear(void); static void sbdirty(void); int main(int argc, char *argv[]) { const char *avalue, *jvalue, *Jvalue, *Lvalue, *lvalue, *Nvalue, *nvalue; const char *tvalue; const char *special, *on; const char *name; int active; int Aflag, aflag, eflag, evalue, fflag, fvalue, jflag, Jflag, kflag; int kvalue, Lflag, lflag, mflag, mvalue, Nflag, nflag, oflag, ovalue; int pflag, sflag, svalue, Svalue, tflag; int ch, found_arg, i; const char *chg[2]; struct ufs_args args; struct statfs stfs; if (argc < 3) usage(); Aflag = aflag = eflag = fflag = jflag = Jflag = kflag = Lflag = 0; lflag = mflag = Nflag = nflag = oflag = pflag = sflag = tflag = 0; avalue = jvalue = Jvalue = Lvalue = lvalue = Nvalue = nvalue = NULL; evalue = fvalue = mvalue = ovalue = svalue = Svalue = 0; active = 0; found_arg = 0; /* At least one arg is required. */ while ((ch = getopt(argc, argv, "Aa:e:f:j:J:k:L:l:m:N:n:o:ps:S:t:")) != -1) switch (ch) { case 'A': found_arg = 1; Aflag++; break; case 'a': found_arg = 1; name = "POSIX.1e ACLs"; avalue = optarg; if (strcmp(avalue, "enable") && strcmp(avalue, "disable")) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } aflag = 1; break; case 'e': found_arg = 1; name = "maximum blocks per file in a cylinder group"; evalue = atoi(optarg); if (evalue < 1) errx(10, "%s must be >= 1 (was %s)", name, optarg); eflag = 1; break; case 'f': found_arg = 1; name = "average file size"; fvalue = atoi(optarg); if (fvalue < 1) errx(10, "%s must be >= 1 (was %s)", name, optarg); fflag = 1; break; case 'j': found_arg = 1; name = "softdep journaled file system"; jvalue = optarg; if (strcmp(jvalue, "enable") && strcmp(jvalue, "disable")) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } jflag = 1; break; case 'J': found_arg = 1; name = "gjournaled file system"; Jvalue = optarg; if (strcmp(Jvalue, "enable") && strcmp(Jvalue, "disable")) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } Jflag = 1; break; case 'k': found_arg = 1; name = "space to hold for metadata blocks"; kvalue = atoi(optarg); if (kvalue < 0) errx(10, "bad %s (%s)", name, optarg); kflag = 1; break; case 'L': found_arg = 1; name = "volume label"; Lvalue = optarg; i = -1; while (isalnum(Lvalue[++i])); if (Lvalue[i] != '\0') { errx(10, "bad %s. Valid characters are alphanumerics.", name); } if (strlen(Lvalue) >= MAXVOLLEN) { errx(10, "bad %s. Length is longer than %d.", name, MAXVOLLEN - 1); } Lflag = 1; break; case 'l': found_arg = 1; name = "multilabel MAC file system"; lvalue = optarg; if (strcmp(lvalue, "enable") && strcmp(lvalue, "disable")) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } lflag = 1; break; case 'm': found_arg = 1; name = "minimum percentage of free space"; mvalue = atoi(optarg); if (mvalue < 0 || mvalue > 99) errx(10, "bad %s (%s)", name, optarg); mflag = 1; break; case 'N': found_arg = 1; name = "NFSv4 ACLs"; Nvalue = optarg; if (strcmp(Nvalue, "enable") && strcmp(Nvalue, "disable")) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } Nflag = 1; break; case 'n': found_arg = 1; name = "soft updates"; nvalue = optarg; if (strcmp(nvalue, "enable") != 0 && strcmp(nvalue, "disable") != 0) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } nflag = 1; break; case 'o': found_arg = 1; name = "optimization preference"; if (strcmp(optarg, "space") == 0) ovalue = FS_OPTSPACE; else if (strcmp(optarg, "time") == 0) ovalue = FS_OPTTIME; else errx(10, "bad %s (options are `space' or `time')", name); oflag = 1; break; case 'p': found_arg = 1; pflag = 1; break; case 's': found_arg = 1; name = "expected number of files per directory"; svalue = atoi(optarg); if (svalue < 1) errx(10, "%s must be >= 1 (was %s)", name, optarg); sflag = 1; break; case 'S': found_arg = 1; name = "Softdep Journal Size"; Svalue = atoi(optarg); if (Svalue < SUJ_MIN) errx(10, "%s must be >= %d (was %s)", name, SUJ_MIN, optarg); break; case 't': found_arg = 1; name = "trim"; tvalue = optarg; if (strcmp(tvalue, "enable") != 0 && strcmp(tvalue, "disable") != 0) { errx(10, "bad %s (options are %s)", name, "`enable' or `disable'"); } tflag = 1; break; default: usage(); } argc -= optind; argv += optind; if (found_arg == 0 || argc != 1) usage(); on = special = argv[0]; if (ufs_disk_fillout(&disk, special) == -1) goto err; if (disk.d_name != special) { if (statfs(special, &stfs) != 0) warn("Can't stat %s", special); if (strcmp(special, stfs.f_mntonname) == 0) active = 1; } if (pflag) { printfs(); exit(0); } if (Lflag) { name = "volume label"; strlcpy(sblock.fs_volname, Lvalue, MAXVOLLEN); } if (aflag) { name = "POSIX.1e ACLs"; if (strcmp(avalue, "enable") == 0) { if (sblock.fs_flags & FS_ACLS) { warnx("%s remains unchanged as enabled", name); } else if (sblock.fs_flags & FS_NFS4ACLS) { warnx("%s and NFSv4 ACLs are mutually " "exclusive", name); } else { sblock.fs_flags |= FS_ACLS; warnx("%s set", name); } } else if (strcmp(avalue, "disable") == 0) { if ((~sblock.fs_flags & FS_ACLS) == FS_ACLS) { warnx("%s remains unchanged as disabled", name); } else { sblock.fs_flags &= ~FS_ACLS; warnx("%s cleared", name); } } } if (eflag) { name = "maximum blocks per file in a cylinder group"; if (sblock.fs_maxbpg == evalue) warnx("%s remains unchanged as %d", name, evalue); else { warnx("%s changes from %d to %d", name, sblock.fs_maxbpg, evalue); sblock.fs_maxbpg = evalue; } } if (fflag) { name = "average file size"; if (sblock.fs_avgfilesize == (unsigned)fvalue) { warnx("%s remains unchanged as %d", name, fvalue); } else { warnx("%s changes from %d to %d", name, sblock.fs_avgfilesize, fvalue); sblock.fs_avgfilesize = fvalue; } } if (jflag) { name = "soft updates journaling"; if (strcmp(jvalue, "enable") == 0) { if ((sblock.fs_flags & (FS_DOSOFTDEP | FS_SUJ)) == (FS_DOSOFTDEP | FS_SUJ)) { warnx("%s remains unchanged as enabled", name); } else if (sblock.fs_clean == 0) { warnx("%s cannot be enabled until fsck is run", name); } else if (journal_alloc(Svalue) != 0) { warnx("%s can not be enabled", name); } else { sblock.fs_flags |= FS_DOSOFTDEP | FS_SUJ; warnx("%s set", name); } } else if (strcmp(jvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_SUJ) == FS_SUJ) { warnx("%s remains unchanged as disabled", name); } else { journal_clear(); sblock.fs_flags &= ~FS_SUJ; sblock.fs_sujfree = 0; warnx("%s cleared but soft updates still set.", name); warnx("remove .sujournal to reclaim space"); } } } if (Jflag) { name = "gjournal"; if (strcmp(Jvalue, "enable") == 0) { if (sblock.fs_flags & FS_GJOURNAL) { warnx("%s remains unchanged as enabled", name); } else { sblock.fs_flags |= FS_GJOURNAL; warnx("%s set", name); } } else if (strcmp(Jvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_GJOURNAL) == FS_GJOURNAL) { warnx("%s remains unchanged as disabled", name); } else { sblock.fs_flags &= ~FS_GJOURNAL; warnx("%s cleared", name); } } } if (kflag) { name = "space to hold for metadata blocks"; if (sblock.fs_metaspace == kvalue) warnx("%s remains unchanged as %d", name, kvalue); else { kvalue = blknum(&sblock, kvalue); if (kvalue > sblock.fs_fpg / 2) { kvalue = blknum(&sblock, sblock.fs_fpg / 2); warnx("%s cannot exceed half the file system " "space", name); } warnx("%s changes from %jd to %d", name, sblock.fs_metaspace, kvalue); sblock.fs_metaspace = kvalue; } } if (lflag) { name = "multilabel"; if (strcmp(lvalue, "enable") == 0) { if (sblock.fs_flags & FS_MULTILABEL) { warnx("%s remains unchanged as enabled", name); } else { sblock.fs_flags |= FS_MULTILABEL; warnx("%s set", name); } } else if (strcmp(lvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_MULTILABEL) == FS_MULTILABEL) { warnx("%s remains unchanged as disabled", name); } else { sblock.fs_flags &= ~FS_MULTILABEL; warnx("%s cleared", name); } } } if (mflag) { name = "minimum percentage of free space"; if (sblock.fs_minfree == mvalue) warnx("%s remains unchanged as %d%%", name, mvalue); else { warnx("%s changes from %d%% to %d%%", name, sblock.fs_minfree, mvalue); sblock.fs_minfree = mvalue; if (mvalue >= MINFREE && sblock.fs_optim == FS_OPTSPACE) warnx(OPTWARN, "time", ">=", MINFREE); if (mvalue < MINFREE && sblock.fs_optim == FS_OPTTIME) warnx(OPTWARN, "space", "<", MINFREE); } } if (Nflag) { name = "NFSv4 ACLs"; if (strcmp(Nvalue, "enable") == 0) { if (sblock.fs_flags & FS_NFS4ACLS) { warnx("%s remains unchanged as enabled", name); } else if (sblock.fs_flags & FS_ACLS) { warnx("%s and POSIX.1e ACLs are mutually " "exclusive", name); } else { sblock.fs_flags |= FS_NFS4ACLS; warnx("%s set", name); } } else if (strcmp(Nvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_NFS4ACLS) == FS_NFS4ACLS) { warnx("%s remains unchanged as disabled", name); } else { sblock.fs_flags &= ~FS_NFS4ACLS; warnx("%s cleared", name); } } } if (nflag) { name = "soft updates"; if (strcmp(nvalue, "enable") == 0) { if (sblock.fs_flags & FS_DOSOFTDEP) warnx("%s remains unchanged as enabled", name); else if (sblock.fs_clean == 0) { warnx("%s cannot be enabled until fsck is run", name); } else { sblock.fs_flags |= FS_DOSOFTDEP; warnx("%s set", name); } } else if (strcmp(nvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_DOSOFTDEP) == FS_DOSOFTDEP) warnx("%s remains unchanged as disabled", name); else { sblock.fs_flags &= ~FS_DOSOFTDEP; warnx("%s cleared", name); } } } if (oflag) { name = "optimization preference"; chg[FS_OPTSPACE] = "space"; chg[FS_OPTTIME] = "time"; if (sblock.fs_optim == ovalue) warnx("%s remains unchanged as %s", name, chg[ovalue]); else { warnx("%s changes from %s to %s", name, chg[sblock.fs_optim], chg[ovalue]); sblock.fs_optim = ovalue; if (sblock.fs_minfree >= MINFREE && ovalue == FS_OPTSPACE) warnx(OPTWARN, "time", ">=", MINFREE); if (sblock.fs_minfree < MINFREE && ovalue == FS_OPTTIME) warnx(OPTWARN, "space", "<", MINFREE); } } if (sflag) { name = "expected number of files per directory"; if (sblock.fs_avgfpdir == (unsigned)svalue) { warnx("%s remains unchanged as %d", name, svalue); } else { warnx("%s changes from %d to %d", name, sblock.fs_avgfpdir, svalue); sblock.fs_avgfpdir = svalue; } } if (tflag) { name = "issue TRIM to the disk"; if (strcmp(tvalue, "enable") == 0) { if (sblock.fs_flags & FS_TRIM) warnx("%s remains unchanged as enabled", name); else { sblock.fs_flags |= FS_TRIM; warnx("%s set", name); } } else if (strcmp(tvalue, "disable") == 0) { if ((~sblock.fs_flags & FS_TRIM) == FS_TRIM) warnx("%s remains unchanged as disabled", name); else { sblock.fs_flags &= ~FS_TRIM; warnx("%s cleared", name); } } } if (sbwrite(&disk, Aflag) == -1) goto err; ufs_disk_close(&disk); if (active) { bzero(&args, sizeof(args)); if (mount("ufs", on, stfs.f_flags | MNT_UPDATE | MNT_RELOAD, &args) < 0) err(9, "%s: reload", special); warnx("file system reloaded"); } exit(0); err: if (disk.d_error != NULL) errx(11, "%s: %s", special, disk.d_error); else err(12, "%s", special); } static void sbdirty(void) { disk.d_fs.fs_flags |= FS_UNCLEAN | FS_NEEDSFSCK; disk.d_fs.fs_clean = 0; } static ufs2_daddr_t journal_balloc(void) { ufs2_daddr_t blk; struct cg *cgp; int valid; static int contig = 1; cgp = &disk.d_cg; for (;;) { blk = cgballoc(&disk); if (blk > 0) break; /* * If we failed to allocate a block from this cg, move to * the next. */ if (cgwrite(&disk) < 0) { warn("Failed to write updated cg"); return (-1); } while ((valid = cgread(&disk)) == 1) { /* * Try to minimize fragmentation by requiring a minimum * number of blocks present. */ if (cgp->cg_cs.cs_nbfree > 256 * 1024) break; if (contig == 0 && cgp->cg_cs.cs_nbfree) break; } if (valid) continue; /* * Try once through looking only for large contiguous regions * and again taking any space we can find. */ if (contig) { contig = 0; disk.d_ccg = 0; warnx("Journal file fragmented."); continue; } warnx("Failed to find sufficient free blocks for the journal"); return -1; } if (bwrite(&disk, fsbtodb(&sblock, blk), clrbuf, sblock.fs_bsize) <= 0) { warn("Failed to initialize new block"); return -1; } return (blk); } /* * Search a directory block for the SUJ_FILE. */ static ino_t dir_search(ufs2_daddr_t blk, int bytes) { char block[MAXBSIZE]; struct direct *dp; int off; if (bread(&disk, fsbtodb(&sblock, blk), block, bytes) <= 0) { warn("Failed to read dir block"); return (-1); } for (off = 0; off < bytes; off += dp->d_reclen) { dp = (struct direct *)&block[off]; if (dp->d_reclen == 0) break; if (dp->d_ino == 0) continue; if (dp->d_namlen != strlen(SUJ_FILE)) continue; if (bcmp(dp->d_name, SUJ_FILE, dp->d_namlen) != 0) continue; return (dp->d_ino); } return (0); } /* * Search in the ROOTINO for the SUJ_FILE. If it exists we can not enable * journaling. */ static ino_t journal_findfile(void) { struct ufs1_dinode *dp1; struct ufs2_dinode *dp2; ino_t ino; int mode; void *ip; int i; if (getino(&disk, &ip, ROOTINO, &mode) != 0) { warn("Failed to get root inode"); return (-1); } dp2 = ip; dp1 = ip; if (sblock.fs_magic == FS_UFS1_MAGIC) { if ((off_t)dp1->di_size >= lblktosize(&sblock, NDADDR)) { warnx("ROOTINO extends beyond direct blocks."); return (-1); } for (i = 0; i < NDADDR; i++) { if (dp1->di_db[i] == 0) break; if ((ino = dir_search(dp1->di_db[i], sblksize(&sblock, (off_t)dp1->di_size, i))) != 0) return (ino); } } else { if ((off_t)dp2->di_size >= lblktosize(&sblock, NDADDR)) { warnx("ROOTINO extends beyond direct blocks."); return (-1); } for (i = 0; i < NDADDR; i++) { if (dp2->di_db[i] == 0) break; if ((ino = dir_search(dp2->di_db[i], sblksize(&sblock, (off_t)dp2->di_size, i))) != 0) return (ino); } } return (0); } static void dir_clear_block(const char *block, off_t off) { struct direct *dp; for (; off < sblock.fs_bsize; off += DIRBLKSIZ) { dp = (struct direct *)&block[off]; dp->d_ino = 0; dp->d_reclen = DIRBLKSIZ; dp->d_type = DT_UNKNOWN; } } /* * Insert the journal at inode 'ino' into directory blk 'blk' at the first * free offset of 'off'. DIRBLKSIZ blocks after off are initialized as * empty. */ static int dir_insert(ufs2_daddr_t blk, off_t off, ino_t ino) { struct direct *dp; char block[MAXBSIZE]; if (bread(&disk, fsbtodb(&sblock, blk), block, sblock.fs_bsize) <= 0) { warn("Failed to read dir block"); return (-1); } bzero(&block[off], sblock.fs_bsize - off); dp = (struct direct *)&block[off]; dp->d_ino = ino; dp->d_reclen = DIRBLKSIZ; dp->d_type = DT_REG; dp->d_namlen = strlen(SUJ_FILE); bcopy(SUJ_FILE, &dp->d_name, strlen(SUJ_FILE)); dir_clear_block(block, off + DIRBLKSIZ); if (bwrite(&disk, fsbtodb(&sblock, blk), block, sblock.fs_bsize) <= 0) { warn("Failed to write dir block"); return (-1); } return (0); } /* * Extend a directory block in 'blk' by copying it to a full size block * and inserting the new journal inode into .sujournal. */ static int dir_extend(ufs2_daddr_t blk, ufs2_daddr_t nblk, off_t size, ino_t ino) { char block[MAXBSIZE]; if (bread(&disk, fsbtodb(&sblock, blk), block, roundup(size, sblock.fs_fsize)) <= 0) { warn("Failed to read dir block"); return (-1); } dir_clear_block(block, size); if (bwrite(&disk, fsbtodb(&sblock, nblk), block, sblock.fs_bsize) <= 0) { warn("Failed to write dir block"); return (-1); } return (dir_insert(nblk, size, ino)); } /* * Insert the journal file into the ROOTINO directory. We always extend the * last frag */ static int journal_insertfile(ino_t ino) { struct ufs1_dinode *dp1; struct ufs2_dinode *dp2; void *ip; ufs2_daddr_t nblk; ufs2_daddr_t blk; ufs_lbn_t lbn; int size; int mode; int off; if (getino(&disk, &ip, ROOTINO, &mode) != 0) { warn("Failed to get root inode"); sbdirty(); return (-1); } dp2 = ip; dp1 = ip; blk = 0; size = 0; nblk = journal_balloc(); if (nblk <= 0) return (-1); /* * For simplicity sake we aways extend the ROOTINO into a new * directory block rather than searching for space and inserting * into an existing block. However, if the rootino has frags * have to free them and extend the block. */ if (sblock.fs_magic == FS_UFS1_MAGIC) { lbn = lblkno(&sblock, dp1->di_size); off = blkoff(&sblock, dp1->di_size); blk = dp1->di_db[lbn]; size = sblksize(&sblock, (off_t)dp1->di_size, lbn); } else { lbn = lblkno(&sblock, dp2->di_size); off = blkoff(&sblock, dp2->di_size); blk = dp2->di_db[lbn]; size = sblksize(&sblock, (off_t)dp2->di_size, lbn); } if (off != 0) { if (dir_extend(blk, nblk, off, ino) == -1) return (-1); } else { blk = 0; if (dir_insert(nblk, 0, ino) == -1) return (-1); } if (sblock.fs_magic == FS_UFS1_MAGIC) { dp1->di_blocks += (sblock.fs_bsize - size) / DEV_BSIZE; dp1->di_db[lbn] = nblk; dp1->di_size = lblktosize(&sblock, lbn+1); } else { dp2->di_blocks += (sblock.fs_bsize - size) / DEV_BSIZE; dp2->di_db[lbn] = nblk; dp2->di_size = lblktosize(&sblock, lbn+1); } if (putino(&disk) < 0) { warn("Failed to write root inode"); return (-1); } if (cgwrite(&disk) < 0) { warn("Failed to write updated cg"); sbdirty(); return (-1); } if (blk) { if (cgbfree(&disk, blk, size) < 0) { warn("Failed to write cg"); return (-1); } } return (0); } static int indir_fill(ufs2_daddr_t blk, int level, int *resid) { char indirbuf[MAXBSIZE]; ufs1_daddr_t *bap1; ufs2_daddr_t *bap2; ufs2_daddr_t nblk; int ncnt; int cnt; int i; bzero(indirbuf, sizeof(indirbuf)); bap1 = (ufs1_daddr_t *)indirbuf; bap2 = (void *)bap1; cnt = 0; for (i = 0; i < NINDIR(&sblock) && *resid != 0; i++) { nblk = journal_balloc(); if (nblk <= 0) return (-1); cnt++; if (sblock.fs_magic == FS_UFS1_MAGIC) *bap1++ = nblk; else *bap2++ = nblk; if (level != 0) { ncnt = indir_fill(nblk, level - 1, resid); if (ncnt <= 0) return (-1); cnt += ncnt; } else (*resid)--; } if (bwrite(&disk, fsbtodb(&sblock, blk), indirbuf, sblock.fs_bsize) <= 0) { warn("Failed to write indirect"); return (-1); } return (cnt); } /* * Clear the flag bits so the journal can be removed. */ static void journal_clear(void) { struct ufs1_dinode *dp1; struct ufs2_dinode *dp2; ino_t ino; int mode; void *ip; ino = journal_findfile(); if (ino == (ino_t)-1 || ino == 0) { warnx("Journal file does not exist"); return; } printf("Clearing journal flags from inode %ju\n", (uintmax_t)ino); if (getino(&disk, &ip, ino, &mode) != 0) { warn("Failed to get journal inode"); return; } dp2 = ip; dp1 = ip; if (sblock.fs_magic == FS_UFS1_MAGIC) dp1->di_flags = 0; else dp2->di_flags = 0; if (putino(&disk) < 0) { warn("Failed to write journal inode"); return; } } static int journal_alloc(int64_t size) { struct ufs1_dinode *dp1; struct ufs2_dinode *dp2; ufs2_daddr_t blk; void *ip; struct cg *cgp; int resid; ino_t ino; int blks; int mode; time_t utime; int i; cgp = &disk.d_cg; ino = 0; /* * If the journal file exists we can't allocate it. */ ino = journal_findfile(); if (ino == (ino_t)-1) return (-1); if (ino > 0) { warnx("Journal file %s already exists, please remove.", SUJ_FILE); return (-1); } /* * If the user didn't supply a size pick one based on the filesystem * size constrained with hardcoded MIN and MAX values. We opt for * 1/1024th of the filesystem up to MAX but not exceeding one CG and * not less than the MIN. */ if (size == 0) { size = (sblock.fs_size * sblock.fs_bsize) / 1024; size = MIN(SUJ_MAX, size); if (size / sblock.fs_fsize > sblock.fs_fpg) size = sblock.fs_fpg * sblock.fs_fsize; size = MAX(SUJ_MIN, size); /* fsck does not support fragments in journal files. */ size = roundup(size, sblock.fs_bsize); } resid = blocks = size / sblock.fs_bsize; if (sblock.fs_cstotal.cs_nbfree < blocks) { warn("Insufficient free space for %jd byte journal", size); return (-1); } /* * Find a cg with enough blocks to satisfy the journal * size. Presently the journal does not span cgs. */ while (cgread(&disk) == 1) { if (cgp->cg_cs.cs_nifree == 0) continue; ino = cgialloc(&disk); if (ino <= 0) break; printf("Using inode %ju in cg %d for %jd byte journal\n", (uintmax_t)ino, cgp->cg_cgx, size); if (getino(&disk, &ip, ino, &mode) != 0) { warn("Failed to get allocated inode"); sbdirty(); goto out; } /* * We leave fields unrelated to the number of allocated * blocks and size uninitialized. This causes legacy * fsck implementations to clear the inode. */ dp2 = ip; dp1 = ip; time(&utime); if (sblock.fs_magic == FS_UFS1_MAGIC) { bzero(dp1, sizeof(*dp1)); dp1->di_size = size; dp1->di_mode = IFREG | IREAD; dp1->di_nlink = 1; dp1->di_flags = SF_IMMUTABLE | SF_NOUNLINK | UF_NODUMP; dp1->di_atime = utime; dp1->di_mtime = utime; dp1->di_ctime = utime; } else { bzero(dp2, sizeof(*dp2)); dp2->di_size = size; dp2->di_mode = IFREG | IREAD; dp2->di_nlink = 1; dp2->di_flags = SF_IMMUTABLE | SF_NOUNLINK | UF_NODUMP; dp2->di_atime = utime; dp2->di_mtime = utime; dp2->di_ctime = utime; dp2->di_birthtime = utime; } for (i = 0; i < NDADDR && resid; i++, resid--) { blk = journal_balloc(); if (blk <= 0) goto out; if (sblock.fs_magic == FS_UFS1_MAGIC) { dp1->di_db[i] = blk; dp1->di_blocks++; } else { dp2->di_db[i] = blk; dp2->di_blocks++; } } for (i = 0; i < NIADDR && resid; i++) { blk = journal_balloc(); if (blk <= 0) goto out; blks = indir_fill(blk, i, &resid) + 1; if (blks <= 0) { sbdirty(); goto out; } if (sblock.fs_magic == FS_UFS1_MAGIC) { dp1->di_ib[i] = blk; dp1->di_blocks += blks; } else { dp2->di_ib[i] = blk; dp2->di_blocks += blks; } } if (sblock.fs_magic == FS_UFS1_MAGIC) dp1->di_blocks *= sblock.fs_bsize / disk.d_bsize; else dp2->di_blocks *= sblock.fs_bsize / disk.d_bsize; if (putino(&disk) < 0) { warn("Failed to write inode"); sbdirty(); return (-1); } if (cgwrite(&disk) < 0) { warn("Failed to write updated cg"); sbdirty(); return (-1); } if (journal_insertfile(ino) < 0) { sbdirty(); return (-1); } sblock.fs_sujfree = 0; return (0); } warnx("Insufficient free space for the journal."); out: return (-1); } static void usage(void) { fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n", "usage: tunefs [-A] [-a enable | disable] [-e maxbpg] [-f avgfilesize]", " [-J enable | disable] [-j enable | disable] [-k metaspace]", " [-L volname] [-l enable | disable] [-m minfree]", " [-N enable | disable] [-n enable | disable]", " [-o space | time] [-p] [-s avgfpdir] [-t enable | disable]", " special | filesystem"); exit(2); } static void printfs(void) { warnx("POSIX.1e ACLs: (-a) %s", (sblock.fs_flags & FS_ACLS)? "enabled" : "disabled"); warnx("NFSv4 ACLs: (-N) %s", (sblock.fs_flags & FS_NFS4ACLS)? "enabled" : "disabled"); warnx("MAC multilabel: (-l) %s", (sblock.fs_flags & FS_MULTILABEL)? "enabled" : "disabled"); warnx("soft updates: (-n) %s", (sblock.fs_flags & FS_DOSOFTDEP)? "enabled" : "disabled"); warnx("soft update journaling: (-j) %s", (sblock.fs_flags & FS_SUJ)? "enabled" : "disabled"); warnx("gjournal: (-J) %s", (sblock.fs_flags & FS_GJOURNAL)? "enabled" : "disabled"); warnx("trim: (-t) %s", (sblock.fs_flags & FS_TRIM)? "enabled" : "disabled"); warnx("maximum blocks per file in a cylinder group: (-e) %d", sblock.fs_maxbpg); warnx("average file size: (-f) %d", sblock.fs_avgfilesize); warnx("average number of files in a directory: (-s) %d", sblock.fs_avgfpdir); warnx("minimum percentage of free space: (-m) %d%%", sblock.fs_minfree); warnx("space to hold for metadata blocks: (-k) %jd", sblock.fs_metaspace); warnx("optimization preference: (-o) %s", sblock.fs_optim == FS_OPTSPACE ? "space" : "time"); if (sblock.fs_minfree >= MINFREE && sblock.fs_optim == FS_OPTSPACE) warnx(OPTWARN, "time", ">=", MINFREE); if (sblock.fs_minfree < MINFREE && sblock.fs_optim == FS_OPTTIME) warnx(OPTWARN, "space", "<", MINFREE); warnx("volume label: (-L) %s", sblock.fs_volname); }