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/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <xfs/libxfs.h>
#include <xfs/path.h>
/*
* When growing a filesystem, this is the most significant
* bits we'll accept in the resulting inode numbers
* without warning the user.
*/
#define XFS_MAX_INODE_SIG_BITS 32
static void
usage(void)
{
fprintf(stderr, _(
"Usage: %s [options] mountpoint\n\n\
Options:\n\
-d grow data/metadata section\n\
-l grow log section\n\
-r grow realtime section\n\
-n don't change anything, just show geometry\n\
-I allow inode numbers to exceed %d significant bits\n\
-i convert log from external to internal format\n\
-t alternate location for mount table (/etc/mtab)\n\
-x convert log from internal to external format\n\
-D size grow data/metadata section to size blks\n\
-L size grow/shrink log section to size blks\n\
-R size grow realtime section to size blks\n\
-e size set realtime extent size to size blks\n\
-m imaxpct set inode max percent to imaxpct\n\
-V print version information\n"),
progname, XFS_MAX_INODE_SIG_BITS);
exit(2);
}
void
report_info(
xfs_fsop_geom_t geo,
char *mntpoint,
int isint,
char *logname,
char *rtname,
int lazycount,
int dirversion,
int logversion,
int attrversion)
{
printf(_(
"meta-data=%-22s isize=%-6u agcount=%u, agsize=%u blks\n"
" =%-22s sectsz=%-5u attr=%u\n"
"data =%-22s bsize=%-6u blocks=%llu, imaxpct=%u\n"
" =%-22s sunit=%-6u swidth=%u blks\n"
"naming =version %-14u bsize=%-6u\n"
"log =%-22s bsize=%-6u blocks=%u, version=%u\n"
" =%-22s sectsz=%-5u sunit=%u blks, lazy-count=%u\n"
"realtime =%-22s extsz=%-6u blocks=%llu, rtextents=%llu\n"),
mntpoint, geo.inodesize, geo.agcount, geo.agblocks,
"", geo.sectsize, attrversion,
"", geo.blocksize, (unsigned long long)geo.datablocks,
geo.imaxpct,
"", geo.sunit, geo.swidth,
dirversion, geo.dirblocksize,
isint ? _("internal") : logname ? logname : _("external"),
geo.blocksize, geo.logblocks, logversion,
"", geo.logsectsize, geo.logsunit / geo.blocksize, lazycount,
!geo.rtblocks ? _("none") : rtname ? rtname : _("external"),
geo.rtextsize * geo.blocksize, (unsigned long long)geo.rtblocks,
(unsigned long long)geo.rtextents);
}
int
main(int argc, char **argv)
{
int aflag; /* fake flag, do all pieces */
int c; /* current option character */
long long ddsize; /* device size in 512-byte blocks */
int dflag; /* -d flag */
int attrversion;/* attribute version number */
int dirversion; /* directory version number */
int logversion; /* log version number */
long long dlsize; /* device size in 512-byte blocks */
long long drsize; /* device size in 512-byte blocks */
long long dsize; /* new data size in fs blocks */
int error; /* we have hit an error */
long esize; /* new rt extent size */
int ffd; /* mount point file descriptor */
xfs_fsop_geom_t geo; /* current fs geometry */
int iflag; /* -i flag */
int isint; /* log is currently internal */
int lflag; /* -l flag */
long long lsize; /* new log size in fs blocks */
int maxpct; /* -m flag value */
int mflag; /* -m flag */
int nflag; /* -n flag */
xfs_fsop_geom_t ngeo; /* new fs geometry */
int rflag; /* -r flag */
long long rsize; /* new rt size in fs blocks */
int lazycount; /* lazy superblock counters */
int xflag; /* -x flag */
char *fname; /* mount point name */
char *datadev; /* data device name */
char *logdev; /* log device name */
char *rtdev; /* RT device name */
fs_path_t *fs; /* mount point information */
libxfs_init_t xi; /* libxfs structure */
progname = basename(argv[0]);
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
maxpct = esize = 0;
dsize = lsize = rsize = 0LL;
aflag = dflag = iflag = lflag = mflag = nflag = rflag = xflag = 0;
while ((c = getopt(argc, argv, "dD:e:ilL:m:np:rR:t:xV")) != EOF) {
switch (c) {
case 'D':
dsize = strtoll(optarg, NULL, 10);
/* fall through */
case 'd':
dflag = 1;
break;
case 'e':
esize = atol(optarg);
rflag = 1;
break;
case 'i':
lflag = iflag = 1;
break;
case 'L':
lsize = strtoll(optarg, NULL, 10);
/* fall through */
case 'l':
lflag = 1;
break;
case 'm':
mflag = 1;
maxpct = atoi(optarg);
break;
case 'n':
nflag = 1;
break;
case 'p':
progname = optarg;
break;
case 'R':
rsize = strtoll(optarg, NULL, 10);
/* fall through */
case 'r':
rflag = 1;
break;
case 't':
mtab_file = optarg;
break;
case 'x':
lflag = xflag = 1;
break;
case 'V':
printf(_("%s version %s\n"), progname, VERSION);
exit(0);
case '?':
default:
usage();
}
}
if (argc - optind != 1)
usage();
if (iflag && xflag)
usage();
if (dflag + lflag + rflag == 0)
aflag = 1;
fs_table_initialise();
fs = fs_table_lookup(argv[optind], FS_MOUNT_POINT);
if (!fs) {
fprintf(stderr, _("%s: %s is not a mounted XFS filesystem\n"),
progname, argv[optind]);
return 1;
}
fname = fs->fs_dir;
datadev = fs->fs_name;
logdev = fs->fs_log;
rtdev = fs->fs_rt;
ffd = open(fname, O_RDONLY);
if (ffd < 0) {
perror(fname);
return 1;
}
if (!platform_test_xfs_fd(ffd)) {
fprintf(stderr, _("%s: specified file "
"[\"%s\"] is not on an XFS filesystem\n"),
progname, fname);
exit(1);
}
/* get the current filesystem size & geometry */
if (xfsctl(fname, ffd, XFS_IOC_FSGEOMETRY, &geo) < 0) {
/*
* OK, new xfsctl barfed - back off and try earlier version
* as we're probably running an older kernel version.
* Only field added in the v2 geometry xfsctl is "logsunit"
* so we'll zero that out for later display (as zero).
*/
geo.logsunit = 0;
if (xfsctl(fname, ffd, XFS_IOC_FSGEOMETRY_V1, &geo) < 0) {
fprintf(stderr, _(
"%s: cannot determine geometry of filesystem"
" mounted at %s: %s\n"),
progname, fname, strerror(errno));
exit(1);
}
}
isint = geo.logstart > 0;
lazycount = geo.flags & XFS_FSOP_GEOM_FLAGS_LAZYSB ? 1 : 0;
dirversion = geo.flags & XFS_FSOP_GEOM_FLAGS_DIRV2 ? 2 : 1;
logversion = geo.flags & XFS_FSOP_GEOM_FLAGS_LOGV2 ? 2 : 1;
attrversion = geo.flags & XFS_FSOP_GEOM_FLAGS_ATTR2 ? 2 : \
(geo.flags & XFS_FSOP_GEOM_FLAGS_ATTR ? 1 : 0);
if (nflag) {
report_info(geo, datadev, isint, logdev, rtdev,
lazycount, dirversion, logversion,
attrversion);
exit(0);
}
/*
* Need root access from here on (using raw devices)...
*/
memset(&xi, 0, sizeof(xi));
xi.dname = datadev;
xi.logname = logdev;
xi.rtname = rtdev;
xi.isreadonly = LIBXFS_ISREADONLY;
if (!libxfs_init(&xi))
usage();
/* check we got the info for all the sections we are trying to modify */
if (!xi.ddev) {
fprintf(stderr, _("%s: failed to access data device for %s\n"),
progname, fname);
exit(1);
}
if (lflag && !isint && !xi.logdev) {
fprintf(stderr, _("%s: failed to access external log for %s\n"),
progname, fname);
exit(1);
}
if (rflag && !xi.rtdev) {
fprintf(stderr,
_("%s: failed to access realtime device for %s\n"),
progname, fname);
exit(1);
}
report_info(geo, datadev, isint, logdev, rtdev,
lazycount, dirversion, logversion,
attrversion);
ddsize = xi.dsize;
dlsize = ( xi.logBBsize? xi.logBBsize :
geo.logblocks * (geo.blocksize / BBSIZE) );
drsize = xi.rtsize;
/*
* Ok, Linux only has a 1024-byte resolution on device _size_,
* and the sizes below are in basic 512-byte blocks,
* so if we have (size % 2), on any partition, we can't get
* to the last 512 bytes. Just chop it down by a block.
*/
ddsize -= (ddsize % 2);
dlsize -= (dlsize % 2);
drsize -= (drsize % 2);
error = 0;
if (dflag | aflag) {
xfs_growfs_data_t in;
__uint64_t new_agcount;
if (!mflag)
maxpct = geo.imaxpct;
if (!dsize)
dsize = ddsize / (geo.blocksize / BBSIZE);
else if (dsize > ddsize / (geo.blocksize / BBSIZE)) {
fprintf(stderr, _(
"data size %lld too large, maximum is %lld\n"),
(long long)dsize,
(long long)(ddsize/(geo.blocksize/BBSIZE)));
error = 1;
}
new_agcount = dsize / geo.agblocks
+ (dsize % geo.agblocks != 0);
if (!error && dsize < geo.datablocks) {
fprintf(stderr, _("data size %lld too small,"
" old size is %lld\n"),
(long long)dsize, (long long)geo.datablocks);
error = 1;
} else if (!error &&
dsize == geo.datablocks && maxpct == geo.imaxpct) {
if (dflag)
fprintf(stderr, _(
"data size unchanged, skipping\n"));
if (mflag)
fprintf(stderr, _(
"inode max pct unchanged, skipping\n"));
} else if (!error && !nflag) {
in.newblocks = (__u64)dsize;
in.imaxpct = (__u32)maxpct;
if (xfsctl(fname, ffd, XFS_IOC_FSGROWFSDATA, &in) < 0) {
if (errno == EWOULDBLOCK)
fprintf(stderr, _(
"%s: growfs operation in progress already\n"),
progname);
else
fprintf(stderr, _(
"%s: XFS_IOC_FSGROWFSDATA xfsctl failed: %s\n"),
progname, strerror(errno));
error = 1;
}
}
}
if (!error && (rflag | aflag)) {
xfs_growfs_rt_t in;
if (!esize)
esize = (__u32)geo.rtextsize;
if (!rsize)
rsize = drsize / (geo.blocksize / BBSIZE);
else if (rsize > drsize / (geo.blocksize / BBSIZE)) {
fprintf(stderr, _(
"realtime size %lld too large, maximum is %lld\n"),
rsize, drsize / (geo.blocksize / BBSIZE));
error = 1;
}
if (!error && rsize < geo.rtblocks) {
fprintf(stderr, _(
"realtime size %lld too small, old size is %lld\n"),
(long long)rsize, (long long)geo.rtblocks);
error = 1;
} else if (!error && rsize == geo.rtblocks) {
if (rflag)
fprintf(stderr, _(
"realtime size unchanged, skipping\n"));
} else if (!error && !nflag) {
in.newblocks = (__u64)rsize;
in.extsize = (__u32)esize;
if (xfsctl(fname, ffd, XFS_IOC_FSGROWFSRT, &in) < 0) {
if (errno == EWOULDBLOCK)
fprintf(stderr, _(
"%s: growfs operation in progress already\n"),
progname);
else if (errno == ENOSYS)
fprintf(stderr, _(
"%s: realtime growth not implemented\n"),
progname);
else
fprintf(stderr, _(
"%s: XFS_IOC_FSGROWFSRT xfsctl failed: %s\n"),
progname, strerror(errno));
error = 1;
}
}
}
if (!error && (lflag | aflag)) {
xfs_growfs_log_t in;
if (!lsize)
lsize = dlsize / (geo.blocksize / BBSIZE);
if (iflag)
in.isint = 1;
else if (xflag)
in.isint = 0;
else
in.isint = xi.logBBsize == 0;
if (lsize == geo.logblocks && (in.isint == isint)) {
if (lflag)
fprintf(stderr,
_("log size unchanged, skipping\n"));
} else if (!nflag) {
in.newblocks = (__u32)lsize;
if (xfsctl(fname, ffd, XFS_IOC_FSGROWFSLOG, &in) < 0) {
if (errno == EWOULDBLOCK)
fprintf(stderr,
_("%s: growfs operation in progress already\n"),
progname);
else if (errno == ENOSYS)
fprintf(stderr,
_("%s: log growth not supported yet\n"),
progname);
else
fprintf(stderr,
_("%s: XFS_IOC_FSGROWFSLOG xfsctl failed: %s\n"),
progname, strerror(errno));
error = 1;
}
}
}
if (xfsctl(fname, ffd, XFS_IOC_FSGEOMETRY_V1, &ngeo) < 0) {
fprintf(stderr, _("%s: XFS_IOC_FSGEOMETRY xfsctl failed: %s\n"),
progname, strerror(errno));
exit(1);
}
if (geo.datablocks != ngeo.datablocks)
printf(_("data blocks changed from %lld to %lld\n"),
(long long)geo.datablocks, (long long)ngeo.datablocks);
if (geo.imaxpct != ngeo.imaxpct)
printf(_("inode max percent changed from %d to %d\n"),
geo.imaxpct, ngeo.imaxpct);
if (geo.logblocks != ngeo.logblocks)
printf(_("log blocks changed from %d to %d\n"),
geo.logblocks, ngeo.logblocks);
if ((geo.logstart == 0) != (ngeo.logstart == 0))
printf(_("log changed from %s to %s\n"),
geo.logstart ? _("internal") : _("external"),
ngeo.logstart ? _("internal") : _("external"));
if (geo.rtblocks != ngeo.rtblocks)
printf(_("realtime blocks changed from %lld to %lld\n"),
(long long)geo.rtblocks, (long long)ngeo.rtblocks);
if (geo.rtextsize != ngeo.rtextsize)
printf(_("realtime extent size changed from %d to %d\n"),
geo.rtextsize, ngeo.rtextsize);
exit(error);
}
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