brings in support for an optional intent log which eliminates the need for background fsck on unclean shutdown. Sponsored by: iXsystems, Yahoo!, and Juniper. With help from: McKusick and Peter Holm
1052 lines
26 KiB
C
1052 lines
26 KiB
C
/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1983, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)tunefs.c 8.2 (Berkeley) 4/19/94";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* tunefs: change layout parameters to an existing file system.
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*/
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/disklabel.h>
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#include <sys/stat.h>
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#include <ufs/ufs/ufsmount.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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#include <ufs/ufs/dir.h>
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#include <ctype.h>
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#include <err.h>
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#include <fcntl.h>
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#include <fstab.h>
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#include <libufs.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h>
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/* the optimization warning string template */
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#define OPTWARN "should optimize for %s with minfree %s %d%%"
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struct uufsd disk;
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#define sblock disk.d_fs
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void usage(void);
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void printfs(void);
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int journal_alloc(int64_t size);
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void journal_clear(void);
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|
void sbdirty(void);
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|
int
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main(int argc, char *argv[])
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{
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char *avalue, *jvalue, *Jvalue, *Lvalue, *lvalue, *Nvalue, *nvalue;
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const char *special, *on;
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const char *name;
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|
int active;
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int Aflag, aflag, eflag, evalue, fflag, fvalue, jflag, Jflag, Lflag;
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int lflag, mflag, mvalue, Nflag, nflag, oflag, ovalue, pflag, sflag;
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|
int svalue, Sflag, Svalue;
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|
int ch, found_arg, i;
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const char *chg[2];
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struct ufs_args args;
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struct statfs stfs;
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|
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|
if (argc < 3)
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usage();
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Aflag = aflag = eflag = fflag = jflag = Jflag = Lflag = lflag = 0;
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mflag = Nflag = nflag = oflag = pflag = sflag = 0;
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avalue = jvalue = Jvalue = Lvalue = lvalue = Nvalue = nvalue = NULL;
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evalue = fvalue = mvalue = ovalue = svalue = Svalue = 0;
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active = 0;
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found_arg = 0; /* At least one arg is required. */
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while ((ch = getopt(argc, argv, "Aa:e:f:j:J:L:l:m:N:n:o:ps:S:")) != -1)
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switch (ch) {
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|
case 'A':
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|
found_arg = 1;
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Aflag++;
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break;
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|
case 'a':
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|
found_arg = 1;
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name = "POSIX.1e ACLs";
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avalue = optarg;
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if (strcmp(avalue, "enable") &&
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strcmp(avalue, "disable")) {
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errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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}
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aflag = 1;
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break;
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|
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|
case 'e':
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found_arg = 1;
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name = "maximum blocks per file in a cylinder group";
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evalue = atoi(optarg);
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if (evalue < 1)
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errx(10, "%s must be >= 1 (was %s)",
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name, optarg);
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eflag = 1;
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|
break;
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|
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|
case 'f':
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|
found_arg = 1;
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name = "average file size";
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fvalue = atoi(optarg);
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|
if (fvalue < 1)
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|
errx(10, "%s must be >= 1 (was %s)",
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name, optarg);
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|
fflag = 1;
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|
break;
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|
|
|
case 'j':
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|
found_arg = 1;
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name = "softdep journaled file system";
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|
jvalue = optarg;
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|
if (strcmp(jvalue, "enable") &&
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strcmp(jvalue, "disable")) {
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|
errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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|
}
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jflag = 1;
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break;
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|
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|
case 'J':
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found_arg = 1;
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name = "gjournaled file system";
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Jvalue = optarg;
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if (strcmp(Jvalue, "enable") &&
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strcmp(Jvalue, "disable")) {
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errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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}
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Jflag = 1;
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break;
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|
|
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|
case 'L':
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|
found_arg = 1;
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name = "volume label";
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Lvalue = optarg;
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i = -1;
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|
while (isalnum(Lvalue[++i]));
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if (Lvalue[i] != '\0') {
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errx(10,
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"bad %s. Valid characters are alphanumerics.",
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name);
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|
}
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if (strlen(Lvalue) >= MAXVOLLEN) {
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errx(10, "bad %s. Length is longer than %d.",
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name, MAXVOLLEN - 1);
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}
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Lflag = 1;
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break;
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|
case 'l':
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|
found_arg = 1;
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name = "multilabel MAC file system";
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lvalue = optarg;
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if (strcmp(lvalue, "enable") &&
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strcmp(lvalue, "disable")) {
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errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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}
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lflag = 1;
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break;
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|
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case 'm':
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found_arg = 1;
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name = "minimum percentage of free space";
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mvalue = atoi(optarg);
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if (mvalue < 0 || mvalue > 99)
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errx(10, "bad %s (%s)", name, optarg);
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mflag = 1;
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|
break;
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|
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|
case 'N':
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|
found_arg = 1;
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|
name = "NFSv4 ACLs";
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Nvalue = optarg;
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if (strcmp(Nvalue, "enable") &&
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strcmp(Nvalue, "disable")) {
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|
errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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}
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Nflag = 1;
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break;
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|
case 'n':
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|
found_arg = 1;
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|
name = "soft updates";
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|
nvalue = optarg;
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|
if (strcmp(nvalue, "enable") != 0 &&
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|
strcmp(nvalue, "disable") != 0) {
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|
errx(10, "bad %s (options are %s)",
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name, "`enable' or `disable'");
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|
}
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nflag = 1;
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break;
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|
case 'o':
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found_arg = 1;
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name = "optimization preference";
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if (strcmp(optarg, "space") == 0)
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ovalue = FS_OPTSPACE;
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else if (strcmp(optarg, "time") == 0)
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ovalue = FS_OPTTIME;
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else
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errx(10,
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"bad %s (options are `space' or `time')",
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name);
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oflag = 1;
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break;
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|
case 'p':
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found_arg = 1;
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pflag = 1;
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break;
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|
case 's':
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found_arg = 1;
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name = "expected number of files per directory";
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svalue = atoi(optarg);
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if (svalue < 1)
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errx(10, "%s must be >= 1 (was %s)",
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name, optarg);
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sflag = 1;
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break;
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|
case 'S':
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found_arg = 1;
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name = "Softdep Journal Size";
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Svalue = atoi(optarg);
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if (Svalue < SUJ_MIN)
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errx(10, "%s must be >= %d (was %s)",
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name, SUJ_MIN, optarg);
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Sflag = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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if (found_arg == 0 || argc != 1)
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usage();
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on = special = argv[0];
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if (ufs_disk_fillout(&disk, special) == -1)
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goto err;
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if (disk.d_name != special) {
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special = disk.d_name;
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if (statfs(special, &stfs) == 0 &&
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strcmp(special, stfs.f_mntonname) == 0)
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active = 1;
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}
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|
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|
if (pflag) {
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printfs();
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exit(0);
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}
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if (Lflag) {
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name = "volume label";
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strlcpy(sblock.fs_volname, Lvalue, MAXVOLLEN);
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}
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if (aflag) {
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name = "POSIX.1e ACLs";
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if (strcmp(avalue, "enable") == 0) {
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if (sblock.fs_flags & FS_ACLS) {
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warnx("%s remains unchanged as enabled", name);
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|
} else if (sblock.fs_flags & FS_NFS4ACLS) {
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warnx("%s and NFSv4 ACLs are mutually "
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"exclusive", name);
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} else {
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sblock.fs_flags |= FS_ACLS;
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|
warnx("%s set", name);
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}
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} else if (strcmp(avalue, "disable") == 0) {
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if ((~sblock.fs_flags & FS_ACLS) ==
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FS_ACLS) {
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|
warnx("%s remains unchanged as disabled",
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name);
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} else {
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|
sblock.fs_flags &= ~FS_ACLS;
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warnx("%s cleared", name);
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|
}
|
|
}
|
|
}
|
|
if (eflag) {
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name = "maximum blocks per file in a cylinder group";
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|
if (sblock.fs_maxbpg == evalue)
|
|
warnx("%s remains unchanged as %d", name, evalue);
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|
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",
|
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name, sblock.fs_avgfilesize, fvalue);
|
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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_DOSOFTDEP | FS_SUJ);
|
|
sblock.fs_sujfree = 0;
|
|
warnx("%s cleared, "
|
|
"remove .sujournal to reclaim space", name);
|
|
}
|
|
}
|
|
}
|
|
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 (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 (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);
|
|
}
|
|
|
|
void
|
|
sbdirty(void)
|
|
{
|
|
disk.d_fs.fs_flags |= FS_UNCLEAN | FS_NEEDSFSCK;
|
|
disk.d_fs.fs_clean = 0;
|
|
}
|
|
|
|
int blocks;
|
|
static char clrbuf[MAXBSIZE];
|
|
|
|
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 > blocks / 8)
|
|
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)dp1->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);
|
|
}
|
|
|
|
/*
|
|
* 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));
|
|
off += DIRBLKSIZ;
|
|
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;
|
|
}
|
|
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, size) <= 0) {
|
|
warn("Failed to read dir block");
|
|
return (-1);
|
|
}
|
|
if (bwrite(&disk, fsbtodb(&sblock, nblk), block, size) <= 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.
|
|
*/
|
|
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 %d\n", 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;
|
|
}
|
|
}
|
|
|
|
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;
|
|
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);
|
|
}
|
|
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 %d in cg %d for %jd byte journal\n",
|
|
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;
|
|
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;
|
|
} 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;
|
|
}
|
|
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);
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "%s\n%s\n%s\n%s\n",
|
|
"usage: tunefs [-A] [-a enable | disable] [-e maxbpg] [-f avgfilesize]",
|
|
" [-J enable | disable ] [-L volname] [-l enable | disable]",
|
|
" [-m minfree] [-N enable | disable] [-n enable | disable]",
|
|
" [-o space | time] [-p] [-s avgfpdir] special | filesystem");
|
|
exit(2);
|
|
}
|
|
|
|
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("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("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);
|
|
}
|