mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-05 01:30:43 +00:00
b1f0fda09f
things.
406 lines
11 KiB
C
406 lines
11 KiB
C
/*
|
|
* 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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.
|
|
*/
|
|
|
|
#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
|
|
#if 0
|
|
static char sccsid[] = "@(#)tunefs.c 8.2 (Berkeley) 4/19/94";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* tunefs: change layout parameters to an existing file system.
|
|
*/
|
|
#include <sys/param.h>
|
|
#include <sys/mount.h>
|
|
#include <sys/disklabel.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <ufs/ufs/ufsmount.h>
|
|
#include <ufs/ufs/dinode.h>
|
|
#include <ufs/ffs/fs.h>
|
|
|
|
#include <err.h>
|
|
#include <fcntl.h>
|
|
#include <fstab.h>
|
|
#include <libufs.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
/* the optimization warning string template */
|
|
#define OPTWARN "should optimize for %s with minfree %s %d%%"
|
|
|
|
struct uufsd disk;
|
|
#define sblock disk.d_fs
|
|
|
|
void usage(void);
|
|
void printfs(void);
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
char *special;
|
|
const char *name;
|
|
struct stat st;
|
|
int Aflag = 0, active = 0, aflag = 0;
|
|
int eflag = 0, fflag = 0, lflag = 0, mflag = 0;
|
|
int nflag = 0, oflag = 0, pflag = 0, sflag = 0;
|
|
int evalue = 0, fvalue = 0;
|
|
int mvalue = 0, ovalue = 0, svalue = 0;
|
|
char *avalue = NULL, *lvalue = NULL, *nvalue = NULL;
|
|
struct fstab *fs;
|
|
const char *chg[2];
|
|
char device[MAXPATHLEN];
|
|
struct ufs_args args;
|
|
struct statfs stfs;
|
|
int found_arg, ch;
|
|
|
|
if (argc < 3)
|
|
usage();
|
|
found_arg = 0; /* at least one arg is required */
|
|
while ((ch = getopt(argc, argv, "Aa:e:f:l:m:n:o:ps:")) != -1)
|
|
switch (ch) {
|
|
case 'A':
|
|
found_arg = 1;
|
|
Aflag++;
|
|
break;
|
|
case 'a':
|
|
found_arg = 1;
|
|
name = "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 '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 = "soft updates";
|
|
nvalue = optarg;
|
|
if (strcmp(nvalue, "enable") && strcmp(nvalue, "disable")) {
|
|
errx(10, "bad %s (options are %s)",
|
|
name, "`enable' or `disable'");
|
|
}
|
|
nflag = 1;
|
|
break;
|
|
case 'o':
|
|
found_arg = 1;
|
|
name = "optimization preference";
|
|
chg[FS_OPTSPACE] = "space";
|
|
chg[FS_OPTTIME] = "time";
|
|
if (strcmp(optarg, chg[FS_OPTSPACE]) == 0)
|
|
ovalue = FS_OPTSPACE;
|
|
else if (strcmp(optarg, chg[FS_OPTTIME]) == 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;
|
|
default:
|
|
usage();
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (found_arg == 0 || argc != 1)
|
|
usage();
|
|
|
|
special = argv[0];
|
|
fs = getfsfile(special);
|
|
if (fs) {
|
|
if (statfs(special, &stfs) == 0 &&
|
|
strcmp(special, stfs.f_mntonname) == 0) {
|
|
active = 1;
|
|
}
|
|
special = fs->fs_spec;
|
|
}
|
|
again:
|
|
if (stat(special, &st) < 0) {
|
|
if (*special != '/') {
|
|
if (*special == 'r')
|
|
special++;
|
|
(void)snprintf(device, sizeof(device), "%s%s",
|
|
_PATH_DEV, special);
|
|
special = device;
|
|
goto again;
|
|
}
|
|
err(1, "%s", special);
|
|
}
|
|
if (fs == NULL && (st.st_mode & S_IFMT) == S_IFDIR)
|
|
errx(10, "%s: unknown file system", special);
|
|
if (ufs_disk_fillout(&disk, special) == -1) {
|
|
if (disk.d_error != NULL)
|
|
errx(11, "%s: %s", special, disk.d_error);
|
|
else
|
|
err(12, "%s", special);
|
|
}
|
|
|
|
if (pflag) {
|
|
printfs();
|
|
exit(0);
|
|
}
|
|
if (aflag) {
|
|
name = "ACLs";
|
|
if (strcmp(avalue, "enable") == 0) {
|
|
if (sblock.fs_flags & FS_ACLS) {
|
|
warnx("%s remains unchanged as enabled", 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 == 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 (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 = "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 == 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;
|
|
}
|
|
}
|
|
|
|
sbwrite(&disk, Aflag);
|
|
if (active) {
|
|
bzero(&args, sizeof(args));
|
|
if (mount("ufs", fs->fs_file,
|
|
stfs.f_flags | MNT_UPDATE | MNT_RELOAD, &args) < 0)
|
|
err(9, "%s: reload", special);
|
|
warnx("file system reloaded");
|
|
}
|
|
exit(0);
|
|
}
|
|
|
|
void
|
|
usage(void)
|
|
{
|
|
fprintf(stderr, "%s\n%s\n%s\n",
|
|
"usage: tunefs [-A] [-a enable | disable] [-e maxbpg] [-f avgfilesize]",
|
|
" [-l enable | disable] [-m minfree] [-n enable | disable]",
|
|
" [-o space | time] [-p] [-s avgfpdir] special | filesystem");
|
|
exit(2);
|
|
}
|
|
|
|
void
|
|
printfs(void)
|
|
{
|
|
warnx("ACLs: (-a) %s",
|
|
(sblock.fs_flags & FS_ACLS)? "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("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);
|
|
}
|