int chkuse( daddr_t blkno, int cnt ) {
int cg;
daddr_t fsbn, bn;
fsbn = dbtofsb( fs, blkno );
if ( (unsigned) ( fsbn + cnt ) > fs->fs_size ) {
printf( "block %ld out of range of file system\n", (long) blkno );
return ( 1 );
}
cg = dtog( fs, fsbn );
if ( fsbn < cgdmin( fs, cg ) ) {
if ( cg == 0 || ( fsbn + cnt ) > cgsblock( fs, cg ) ) {
printf( "block %ld in non-data area: cannot attach\n", (long) blkno );
return ( 1 );
}
} else {
if ( ( fsbn + cnt ) > cgbase( fs, cg + 1 ) ) {
printf( "block %ld in non-data area: cannot attach\n", (long) blkno );
return ( 1 );
}
}
if ( cgread1( &disk, cg ) != 1 ) {
fprintf( stderr, "cg %d: could not be read\n", cg );
errs++;
return ( 1 );
}
if ( !cg_chkmagic( &acg ) ) {
fprintf( stderr, "cg %d: bad magic number\n", cg );
errs++;
return ( 1 );
}
bn = dtogd( fs, fsbn );
if ( isclr( cg_blksfree( &acg ), bn ) ) printf( "Warning: sector %ld is in use\n", (long) blkno );
return ( 0 );
}
/*
* Change the number of unreferenced inodes.
*/
static int
ufs_gjournal_modref(struct vnode *vp, int count)
{
struct cg *cgp;
struct buf *bp;
ufs2_daddr_t cgbno;
int error, cg;
struct cdev *dev;
struct inode *ip;
struct ufsmount *ump;
struct fs *fs;
struct vnode *devvp;
ino_t ino;
ip = VTOI(vp);
ump = VFSTOUFS(vp->v_mount);
fs = ump->um_fs;
devvp = ump->um_devvp;
ino = ip->i_number;
cg = ino_to_cg(fs, ino);
if (devvp->v_type == VREG) {
/* devvp is a snapshot */
dev = VFSTOUFS(devvp->v_mount)->um_devvp->v_rdev;
cgbno = fragstoblks(fs, cgtod(fs, cg));
} else if (devvp->v_type == VCHR) {
/* devvp is a normal disk device */
dev = devvp->v_rdev;
cgbno = fsbtodb(fs, cgtod(fs, cg));
} else {
bp = NULL;
return (EIO);
}
if ((u_int)ino >= fs->fs_ipg * fs->fs_ncg)
panic("ufs_gjournal_modref: range: dev = %s, ino = %lu, fs = %s",
devtoname(dev), (u_long)ino, fs->fs_fsmnt);
if ((error = bread(devvp, cgbno, (int)fs->fs_cgsize, NOCRED, &bp))) {
brelse(bp);
return (error);
}
cgp = (struct cg *)bp->b_data;
if (!cg_chkmagic(cgp)) {
brelse(bp);
return (0);
}
bp->b_xflags |= BX_BKGRDWRITE;
cgp->cg_unrefs += count;
UFS_LOCK(ump);
fs->fs_unrefs += count;
fs->fs_fmod = 1;
ACTIVECLEAR(fs, cg);
UFS_UNLOCK(ump);
bdwrite(bp);
return (0);
}
/*
* allocate an unused inode
*/
ufs1_ino_t
allocino(ufs1_ino_t request, int type)
{
ufs1_ino_t ino;
struct ufs1_dinode *dp;
struct cg *cgp = &cgrp;
int cg;
if (request == 0)
request = ROOTINO;
else if (inoinfo(request)->ino_state != USTATE)
return (0);
for (ino = request; ino < maxino; ino++)
if (inoinfo(ino)->ino_state == USTATE)
break;
if (ino == maxino)
return (0);
cg = ino_to_cg(&sblock, ino);
getblk(&cgblk, cgtod(&sblock, cg), sblock.fs_cgsize);
if (!cg_chkmagic(cgp))
pfatal("CG %d: BAD MAGIC NUMBER\n", cg);
setbit(cg_inosused(cgp), ino % sblock.fs_ipg);
cgp->cg_cs.cs_nifree--;
switch (type & IFMT) {
case IFDIR:
inoinfo(ino)->ino_state = DSTATE;
cgp->cg_cs.cs_ndir++;
break;
case IFREG:
case IFLNK:
inoinfo(ino)->ino_state = FSTATE;
break;
default:
return (0);
}
cgdirty();
dp = ginode(ino);
dp->di_db[0] = allocblk((long)1);
if (dp->di_db[0] == 0) {
inoinfo(ino)->ino_state = USTATE;
return (0);
}
dp->di_mode = type;
dp->di_flags = 0;
dp->di_atime = time(NULL);
dp->di_mtime = dp->di_ctime = dp->di_atime;
dp->di_mtimensec = dp->di_ctimensec = dp->di_atimensec = 0;
dp->di_size = sblock.fs_fsize;
dp->di_blocks = btodb(sblock.fs_fsize);
n_files++;
inodirty();
if (newinofmt)
inoinfo(ino)->ino_type = IFTODT(type);
return (ino);
}
static union dinode *
get_inode(int fd, struct fs *super, ino_t ino)
{
static caddr_t ipbuf;
static struct cg *cgp;
static ino_t last;
static int cg;
struct ufs2_dinode *di2;
if (fd < 0) { /* flush cache */
if (ipbuf) {
free(ipbuf);
ipbuf = NULL;
if (super != NULL && super->fs_magic == FS_UFS2_MAGIC) {
free(cgp);
cgp = NULL;
}
}
return 0;
}
if (!ipbuf || ino < last || ino >= last + INOCNT(super)) {
if (super->fs_magic == FS_UFS2_MAGIC &&
(!cgp || cg != ino_to_cg(super, ino))) {
cg = ino_to_cg(super, ino);
if (!cgp && !(cgp = malloc(super->fs_cgsize)))
errx(1, "allocate cg");
if (pread(fd, cgp, super->fs_cgsize,
(off_t)cgtod(super, cg) << super->fs_fshift)
!= super->fs_cgsize)
if (read(fd, cgp, super->fs_cgsize) != super->fs_cgsize)
err(1, "read cg");
if (!cg_chkmagic(cgp))
errx(1, "cg has bad magic");
}
if (!ipbuf && !(ipbuf = malloc(INOSZ(super))))
err(1, "allocate inodes");
last = (ino / INOCNT(super)) * INOCNT(super);
if (lseek(fd, (off_t)ino_to_fsba(super, last)
<< super->fs_fshift, SEEK_SET) < 0 ||
read(fd, ipbuf, INOSZ(super)) != INOSZ(super)) {
err(1, "read inodes");
}
}
if (super->fs_magic == FS_UFS1_MAGIC)
return ((union dinode *)
&((struct ufs1_dinode *)ipbuf)[ino % INOCNT(super)]);
di2 = &((struct ufs2_dinode *)ipbuf)[ino % INOCNT(super)];
/* If the inode is unused, it might be unallocated too, so zero it. */
if (isclr(cg_inosused(cgp), ino % super->fs_ipg))
memset(di2, 0, sizeof(*di2));
return ((union dinode *)di2);
}
void
fs_mapinodes(ino_t maxino, int64_t *tapesize, int *anydirskipped)
{
int i, cg, inosused;
struct cg *cgp;
ino_t ino;
char *cp;
if ((cgp = malloc(sblock->fs_cgsize)) == NULL)
quit("fs_mapinodes: cannot allocate memory.\n");
for (cg = 0; cg < sblock->fs_ncg; cg++) {
ino = cg * sblock->fs_ipg;
bread(fsbtodb(sblock, cgtod(sblock, cg)), (char *)cgp,
sblock->fs_cgsize);
if (sblock->fs_magic == FS_UFS2_MAGIC)
inosused = cgp->cg_initediblk;
else
inosused = sblock->fs_ipg;
/*
* If we are using soft updates, then we can trust the
* cylinder group inode allocation maps to tell us which
* inodes are allocated. We will scan the used inode map
* to find the inodes that are really in use, and then
* read only those inodes in from disk.
*/
if (sblock->fs_flags & FS_DOSOFTDEP) {
if (!cg_chkmagic(cgp))
quit("mapfiles: cg %d: bad magic number\n", cg);
cp = &cg_inosused(cgp)[(inosused - 1) / CHAR_BIT];
for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) {
if (*cp == 0)
continue;
for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) {
if (*cp & i)
break;
inosused--;
}
break;
}
if (inosused <= 0)
continue;
}
for (i = 0; i < inosused; i++, ino++) {
if (ino < ROOTINO)
continue;
mapfileino(ino, tapesize, anydirskipped);
}
}
free(cgp);
}
/*
* allocate a data block with the specified number of fragments
*/
ufs_daddr_t
allocblk(long frags)
{
int i, j, k, cg, baseblk;
struct cg *cgp = &cgrp;
if (frags <= 0 || frags > sblock.fs_frag)
return (0);
for (i = 0; i < maxfsblock - sblock.fs_frag; i += sblock.fs_frag) {
for (j = 0; j <= sblock.fs_frag - frags; j++) {
if (testbmap(i + j))
continue;
for (k = 1; k < frags; k++)
if (testbmap(i + j + k))
break;
if (k < frags) {
j += k;
continue;
}
cg = dtog(&sblock, i + j);
getblk(&cgblk, cgtod(&sblock, cg), sblock.fs_cgsize);
if (!cg_chkmagic(cgp))
pfatal("CG %d: BAD MAGIC NUMBER\n", cg);
baseblk = dtogd(&sblock, i + j);
for (k = 0; k < frags; k++) {
setbmap(i + j + k);
clrbit(cg_blksfree(cgp), baseblk + k);
}
n_blks += frags;
if (frags == sblock.fs_frag)
cgp->cg_cs.cs_nbfree--;
else
cgp->cg_cs.cs_nffree -= frags;
cgdirty();
return (i + j);
}
}
return (0);
}
/*
* Scan the specified file system to check quota(s) present on it.
*/
int
chkquota(const char *vfstype, const char *fsname, const char *mntpt,
void *auxarg, pid_t *pidp)
{
struct quotaname *qnp = auxarg;
struct fileusage *fup;
union dinode *dp;
int cg, i, mode, errs = 0, status;
ino_t ino, inosused;
pid_t pid;
char *cp;
switch (pid = fork()) {
case -1: /* error */
warn("fork");
return 1;
case 0: /* child */
if ((fi = open(fsname, O_RDONLY, 0)) < 0)
err(1, "%s", fsname);
sync();
dev_bsize = 1;
for (i = 0; sblock_try[i] != -1; i++) {
bread(sblock_try[i], (char *)&sblock, (long)SBLOCKSIZE);
if ((sblock.fs_magic == FS_UFS1_MAGIC ||
(sblock.fs_magic == FS_UFS2_MAGIC &&
sblock.fs_sblockloc == sblock_try[i])) &&
sblock.fs_bsize <= MAXBSIZE &&
sblock.fs_bsize >= sizeof(struct fs))
break;
}
if (sblock_try[i] == -1) {
warn("Cannot find file system superblock");
return (1);
}
dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1);
maxino = sblock.fs_ncg * sblock.fs_ipg;
for (cg = 0; cg < sblock.fs_ncg; cg++) {
ino = cg * sblock.fs_ipg;
setinodebuf(ino);
bread(fsbtodb(&sblock, cgtod(&sblock, cg)),
(char *)(&cgblk), sblock.fs_cgsize);
if (sblock.fs_magic == FS_UFS2_MAGIC)
inosused = cgblk.cg_initediblk;
else
inosused = sblock.fs_ipg;
/*
* If we are using soft updates, then we can trust the
* cylinder group inode allocation maps to tell us which
* inodes are allocated. We will scan the used inode map
* to find the inodes that are really in use, and then
* read only those inodes in from disk.
*/
if (sblock.fs_flags & FS_DOSOFTDEP) {
if (!cg_chkmagic(&cgblk))
errx(1, "CG %d: BAD MAGIC NUMBER\n", cg);
cp = &cg_inosused(&cgblk)[(inosused - 1) / CHAR_BIT];
for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) {
if (*cp == 0)
continue;
for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) {
if (*cp & i)
break;
inosused--;
}
break;
}
if (inosused <= 0)
continue;
}
for (i = 0; i < inosused; i++, ino++) {
if ((dp = getnextinode(ino)) == NULL ||
ino < ROOTINO ||
(mode = DIP(dp, di_mode) & IFMT) == 0)
continue;
if (qnp->flags & HASGRP) {
fup = addid(DIP(dp, di_gid),
GRPQUOTA, NULL);
fup->fu_curinodes++;
if (mode == IFREG || mode == IFDIR ||
mode == IFLNK)
fup->fu_curblocks +=
DIP(dp, di_blocks);
}
if (qnp->flags & HASUSR) {
fup = addid(DIP(dp, di_uid),
USRQUOTA, NULL);
fup->fu_curinodes++;
if (mode == IFREG || mode == IFDIR ||
mode == IFLNK)
fup->fu_curblocks +=
DIP(dp, di_blocks);
}
}
}
freeinodebuf();
if (flags&(CHECK_DEBUG|CHECK_VERBOSE)) {
(void)printf("*** Checking ");
if (qnp->flags & HASUSR) {
(void)printf("%s", qfextension[USRQUOTA]);
if (qnp->flags & HASGRP)
(void)printf(" and ");
}
if (qnp->flags & HASGRP)
(void)printf("%s", qfextension[GRPQUOTA]);
(void)printf(" quotas for %s (%s), %swait\n",
fsname, mntpt, pidp? "no" : "");
}
if (qnp->flags & HASUSR)
errs += update(mntpt, qnp->usrqfname, USRQUOTA);
if (qnp->flags & HASGRP)
errs += update(mntpt, qnp->grpqfname, GRPQUOTA);
close(fi);
exit (errs);
break;
default: /* parent */
if (pidp != NULL) {
*pidp = pid;
return 0;
}
if (waitpid(pid, &status, 0) < 0) {
warn("waitpid");
return 1;
}
if (WIFEXITED(status)) {
if (WEXITSTATUS(status) != 0)
return WEXITSTATUS(status);
} else if (WIFSIGNALED(status)) {
warnx("%s: %s", fsname, strsignal(WTERMSIG(status)));
return 1;
}
break;
}
return (0);
}
/*
* Free a block or fragment.
*
* The specified block or fragment is placed back in the
* free map. If a fragment is deallocated, a possible
* block reassembly is checked.
*/
void
ffs_blkfree(struct inode *ip, daddr_t bno, long size)
{
struct cg *cgp;
struct buf *bp;
int32_t fragno, cgbno;
int i, error, cg, blk, frags, bbase;
struct fs *fs = ip->i_fs;
const int needswap = UFS_FSNEEDSWAP(fs);
if (size > fs->fs_bsize || ffs_fragoff(fs, size) != 0 ||
ffs_fragnum(fs, bno) + ffs_numfrags(fs, size) > fs->fs_frag) {
errx(1, "blkfree: bad size: bno %lld bsize %d size %ld",
(long long)bno, fs->fs_bsize, size);
}
cg = dtog(fs, bno);
if (bno >= fs->fs_size) {
warnx("bad block %lld, ino %llu", (long long)bno,
(unsigned long long)ip->i_number);
return;
}
error = bread(ip->i_devvp, FFS_FSBTODB(fs, cgtod(fs, cg)),
(int)fs->fs_cgsize, 0, &bp);
if (error) {
brelse(bp, 0);
return;
}
cgp = (struct cg *)bp->b_data;
if (!cg_chkmagic(cgp, needswap)) {
brelse(bp, 0);
return;
}
cgbno = dtogd(fs, bno);
if (size == fs->fs_bsize) {
fragno = ffs_fragstoblks(fs, cgbno);
if (!ffs_isfreeblock(fs, cg_blksfree(cgp, needswap), fragno)) {
errx(1, "blkfree: freeing free block %lld",
(long long)bno);
}
ffs_setblock(fs, cg_blksfree(cgp, needswap), fragno);
ffs_clusteracct(fs, cgp, fragno, 1);
ufs_add32(cgp->cg_cs.cs_nbfree, 1, needswap);
fs->fs_cstotal.cs_nbfree++;
fs->fs_cs(fs, cg).cs_nbfree++;
} else {
bbase = cgbno - ffs_fragnum(fs, cgbno);
/*
* decrement the counts associated with the old frags
*/
blk = blkmap(fs, cg_blksfree(cgp, needswap), bbase);
ffs_fragacct(fs, blk, cgp->cg_frsum, -1, needswap);
/*
* deallocate the fragment
*/
frags = ffs_numfrags(fs, size);
for (i = 0; i < frags; i++) {
if (isset(cg_blksfree(cgp, needswap), cgbno + i)) {
errx(1, "blkfree: freeing free frag: block %lld",
(long long)(cgbno + i));
}
setbit(cg_blksfree(cgp, needswap), cgbno + i);
}
ufs_add32(cgp->cg_cs.cs_nffree, i, needswap);
fs->fs_cstotal.cs_nffree += i;
fs->fs_cs(fs, cg).cs_nffree += i;
/*
* add back in counts associated with the new frags
*/
blk = blkmap(fs, cg_blksfree(cgp, needswap), bbase);
ffs_fragacct(fs, blk, cgp->cg_frsum, 1, needswap);
/*
* if a complete block has been reassembled, account for it
*/
fragno = ffs_fragstoblks(fs, bbase);
if (ffs_isblock(fs, cg_blksfree(cgp, needswap), fragno)) {
ufs_add32(cgp->cg_cs.cs_nffree, -fs->fs_frag, needswap);
fs->fs_cstotal.cs_nffree -= fs->fs_frag;
fs->fs_cs(fs, cg).cs_nffree -= fs->fs_frag;
ffs_clusteracct(fs, cgp, fragno, 1);
ufs_add32(cgp->cg_cs.cs_nbfree, 1, needswap);
fs->fs_cstotal.cs_nbfree++;
fs->fs_cs(fs, cg).cs_nbfree++;
}
}
fs->fs_fmod = 1;
bdwrite(bp);
}
/*
* Determine whether a block can be allocated.
*
* Check to see if a block of the appropriate size is available,
* and if it is, allocate it.
*/
static daddr_t
ffs_alloccg(struct inode *ip, int cg, daddr_t bpref, int size)
{
struct cg *cgp;
struct buf *bp;
daddr_t bno, blkno;
int error, frags, allocsiz, i;
struct fs *fs = ip->i_fs;
const int needswap = UFS_FSNEEDSWAP(fs);
if (fs->fs_cs(fs, cg).cs_nbfree == 0 && size == fs->fs_bsize)
return (0);
error = bread(ip->i_devvp, FFS_FSBTODB(fs, cgtod(fs, cg)),
(int)fs->fs_cgsize, 0, &bp);
if (error) {
return (0);
}
cgp = (struct cg *)bp->b_data;
if (!cg_chkmagic(cgp, needswap) ||
(cgp->cg_cs.cs_nbfree == 0 && size == fs->fs_bsize)) {
brelse(bp, 0);
return (0);
}
if (size == fs->fs_bsize) {
bno = ffs_alloccgblk(ip, bp, bpref);
bwrite(bp);
return (bno);
}
/*
* check to see if any fragments are already available
* allocsiz is the size which will be allocated, hacking
* it down to a smaller size if necessary
*/
frags = ffs_numfrags(fs, size);
for (allocsiz = frags; allocsiz < fs->fs_frag; allocsiz++)
if (cgp->cg_frsum[allocsiz] != 0)
break;
if (allocsiz == fs->fs_frag) {
/*
* no fragments were available, so a block will be
* allocated, and hacked up
*/
if (cgp->cg_cs.cs_nbfree == 0) {
brelse(bp, 0);
return (0);
}
bno = ffs_alloccgblk(ip, bp, bpref);
bpref = dtogd(fs, bno);
for (i = frags; i < fs->fs_frag; i++)
setbit(cg_blksfree(cgp, needswap), bpref + i);
i = fs->fs_frag - frags;
ufs_add32(cgp->cg_cs.cs_nffree, i, needswap);
fs->fs_cstotal.cs_nffree += i;
fs->fs_cs(fs, cg).cs_nffree += i;
fs->fs_fmod = 1;
ufs_add32(cgp->cg_frsum[i], 1, needswap);
bdwrite(bp);
return (bno);
}
bno = ffs_mapsearch(fs, cgp, bpref, allocsiz);
for (i = 0; i < frags; i++)
clrbit(cg_blksfree(cgp, needswap), bno + i);
ufs_add32(cgp->cg_cs.cs_nffree, -frags, needswap);
fs->fs_cstotal.cs_nffree -= frags;
fs->fs_cs(fs, cg).cs_nffree -= frags;
fs->fs_fmod = 1;
ufs_add32(cgp->cg_frsum[allocsiz], -1, needswap);
if (frags != allocsiz)
ufs_add32(cgp->cg_frsum[allocsiz - frags], 1, needswap);
blkno = cg * fs->fs_fpg + bno;
bdwrite(bp);
return blkno;
}
/*
* Scan the specified file system to check quota(s) present on it.
*/
int
chkquota(char *specname, struct quotafile *qfu, struct quotafile *qfg)
{
struct fileusage *fup;
union dinode *dp;
int cg, i, mode, errs = 0;
ino_t ino, inosused, userino = 0, groupino = 0;
dev_t dev, userdev = 0, groupdev = 0;
struct stat sb;
const char *mntpt;
char *cp;
if (qfu != NULL)
mntpt = quota_fsname(qfu);
else if (qfg != NULL)
mntpt = quota_fsname(qfg);
else
errx(1, "null quotafile information passed to chkquota()\n");
if (cflag) {
if (vflag && qfu != NULL)
printf("%s: convert user quota to %d bits\n",
mntpt, cflag);
if (qfu != NULL && quota_convert(qfu, cflag) < 0) {
if (errno == EBADF)
errx(1,
"%s: cannot convert an active quota file",
mntpt);
err(1, "user quota conversion to size %d failed",
cflag);
}
if (vflag && qfg != NULL)
printf("%s: convert group quota to %d bits\n",
mntpt, cflag);
if (qfg != NULL && quota_convert(qfg, cflag) < 0) {
if (errno == EBADF)
errx(1,
"%s: cannot convert an active quota file",
mntpt);
err(1, "group quota conversion to size %d failed",
cflag);
}
}
if ((fi = open(specname, O_RDONLY, 0)) < 0) {
warn("%s", specname);
return (1);
}
if ((stat(mntpt, &sb)) < 0) {
warn("%s", mntpt);
return (1);
}
dev = sb.st_dev;
if (vflag) {
(void)printf("*** Checking ");
if (qfu)
(void)printf("user%s", qfg ? " and " : "");
if (qfg)
(void)printf("group");
(void)printf(" quotas for %s (%s)\n", specname, mntpt);
}
if (qfu) {
if (stat(quota_qfname(qfu), &sb) == 0) {
userino = sb.st_ino;
userdev = sb.st_dev;
}
}
if (qfg) {
if (stat(quota_qfname(qfg), &sb) == 0) {
groupino = sb.st_ino;
groupdev = sb.st_dev;
}
}
sync();
dev_bsize = 1;
for (i = 0; sblock_try[i] != -1; i++) {
bread(sblock_try[i], (char *)&sblock, (long)SBLOCKSIZE);
if ((sblock.fs_magic == FS_UFS1_MAGIC ||
(sblock.fs_magic == FS_UFS2_MAGIC &&
sblock.fs_sblockloc == sblock_try[i])) &&
sblock.fs_bsize <= MAXBSIZE &&
sblock.fs_bsize >= sizeof(struct fs))
break;
}
if (sblock_try[i] == -1) {
warn("Cannot find file system superblock");
return (1);
}
dev_bsize = sblock.fs_fsize / fsbtodb(&sblock, 1);
maxino = sblock.fs_ncg * sblock.fs_ipg;
for (cg = 0; cg < sblock.fs_ncg; cg++) {
ino = cg * sblock.fs_ipg;
setinodebuf(ino);
bread(fsbtodb(&sblock, cgtod(&sblock, cg)), (char *)(&cgblk),
sblock.fs_cgsize);
if (sblock.fs_magic == FS_UFS2_MAGIC)
inosused = cgblk.cg_initediblk;
else
inosused = sblock.fs_ipg;
/*
* If we are using soft updates, then we can trust the
* cylinder group inode allocation maps to tell us which
* inodes are allocated. We will scan the used inode map
* to find the inodes that are really in use, and then
* read only those inodes in from disk.
*/
if (sblock.fs_flags & FS_DOSOFTDEP) {
if (!cg_chkmagic(&cgblk))
errx(1, "CG %d: BAD MAGIC NUMBER\n", cg);
cp = &cg_inosused(&cgblk)[(inosused - 1) / CHAR_BIT];
for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) {
if (*cp == 0)
continue;
for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) {
if (*cp & i)
break;
inosused--;
}
break;
}
if (inosused <= 0)
continue;
}
for (i = 0; i < inosused; i++, ino++) {
if ((dp = getnextinode(ino)) == NULL || ino < ROOTINO ||
(mode = DIP(dp, di_mode) & IFMT) == 0)
continue;
/*
* XXX: Do not account for UIDs or GIDs that appear
* to be negative to prevent generating 100GB+
* quota files.
*/
if ((int)DIP(dp, di_uid) < 0 ||
(int)DIP(dp, di_gid) < 0) {
if (vflag) {
if (aflag)
(void)printf("%s: ", mntpt);
(void)printf("out of range UID/GID (%u/%u) ino=%ju\n",
DIP(dp, di_uid), DIP(dp,di_gid),
(uintmax_t)ino);
}
continue;
}
/*
* Do not account for file system snapshot files
* or the actual quota data files to be consistent
* with how they are handled inside the kernel.
*/
#ifdef SF_SNAPSHOT
if (DIP(dp, di_flags) & SF_SNAPSHOT)
continue;
#endif
if ((ino == userino && dev == userdev) ||
(ino == groupino && dev == groupdev))
continue;
if (qfg) {
fup = addid((u_long)DIP(dp, di_gid), GRPQUOTA,
(char *)0, mntpt);
fup->fu_curinodes++;
if (mode == IFREG || mode == IFDIR ||
mode == IFLNK)
fup->fu_curblocks += DIP(dp, di_blocks);
}
if (qfu) {
fup = addid((u_long)DIP(dp, di_uid), USRQUOTA,
(char *)0, mntpt);
fup->fu_curinodes++;
if (mode == IFREG || mode == IFDIR ||
mode == IFLNK)
fup->fu_curblocks += DIP(dp, di_blocks);
}
}
}
freeinodebuf();
if (qfu)
errs += update(mntpt, qfu, USRQUOTA);
if (qfg)
errs += update(mntpt, qfg, GRPQUOTA);
close(fi);
(void)fflush(stdout);
return (errs);
}
/*
* Find a suitable location for the journal in the filesystem.
*
* Our strategy here is to look for a contiguous block of free space
* at least "logfile" MB in size (plus room for any indirect blocks).
* We start at the middle of the filesystem and check each cylinder
* group working outwards. If "logfile" MB is not available as a
* single contigous chunk, then return the address and size of the
* largest chunk found.
*
* XXX
* At what stage does the search fail? Is if the largest space we could
* find is less than a quarter the requested space reasonable? If the
* search fails entirely, return a block address if "0" it indicate this.
*/
void
wapbl_find_log_start(struct mount *mp, struct vnode *vp, off_t logsize,
daddr_t *addr, daddr_t *indir_addr, size_t *size)
{
struct ufsmount *ump = VFSTOUFS(mp);
struct fs *fs = ump->um_fs;
struct vnode *devvp = ump->um_devvp;
struct cg *cgp;
struct buf *bp;
uint8_t *blksfree;
daddr_t blkno, best_addr, start_addr;
daddr_t desired_blks, min_desired_blks;
daddr_t freeblks, best_blks;
int bpcg, cg, error, fixedsize, indir_blks, n, s;
#ifdef FFS_EI
const int needswap = UFS_FSNEEDSWAP(fs);
#endif
if (logsize == 0) {
fixedsize = 0; /* We can adjust the size if tight */
logsize = lfragtosize(fs, fs->fs_dsize) /
UFS_WAPBL_JOURNAL_SCALE;
DPRINTF("suggested log size = %lld\n", logsize);
logsize = max(logsize, UFS_WAPBL_MIN_JOURNAL_SIZE);
logsize = min(logsize, UFS_WAPBL_MAX_JOURNAL_SIZE);
DPRINTF("adjusted log size = %lld\n", logsize);
} else {
fixedsize = 1;
DPRINTF("fixed log size = %lld\n", logsize);
}
desired_blks = logsize / fs->fs_bsize;
DPRINTF("desired blocks = %lld\n", desired_blks);
/* add in number of indirect blocks needed */
indir_blks = 0;
if (desired_blks >= NDADDR) {
struct indir indirs[NIADDR + 2];
int num;
error = ufs_getlbns(vp, desired_blks, indirs, &num);
if (error) {
printf("%s: ufs_getlbns failed, error %d!\n",
__func__, error);
goto bad;
}
switch (num) {
case 2:
indir_blks = 1; /* 1st level indirect */
break;
case 3:
indir_blks = 1 + /* 1st level indirect */
1 + /* 2nd level indirect */
indirs[1].in_off + 1; /* extra 1st level indirect */
break;
default:
printf("%s: unexpected numlevels %d from ufs_getlbns\n",
__func__, num);
*size = 0;
goto bad;
}
desired_blks += indir_blks;
}
DPRINTF("desired blocks = %lld (including indirect)\n",
desired_blks);
/*
* If a specific size wasn't requested, allow for a smaller log
* if we're really tight for space...
*/
min_desired_blks = desired_blks;
if (!fixedsize)
min_desired_blks = desired_blks / 4;
/* Look at number of blocks per CG. If it's too small, bail early. */
bpcg = fragstoblks(fs, fs->fs_fpg);
if (min_desired_blks > bpcg) {
printf("ffs_wapbl: cylinder group size of %lld MB "
" is not big enough for journal\n",
lblktosize(fs, bpcg) / (1024 * 1024));
goto bad;
}
/*
* Start with the middle cylinder group, and search outwards in
* both directions until we either find the requested log size
* or reach the start/end of the file system. If we reach the
* start/end without finding enough space for the full requested
* log size, use the largest extent found if it is large enough
* to satisfy the our minimum size.
*
* XXX
* Can we just use the cluster contigsum stuff (esp on UFS2)
* here to simplify this search code?
*/
best_addr = 0;
best_blks = 0;
for (cg = fs->fs_ncg / 2, s = 0, n = 1;
best_blks < desired_blks && cg >= 0 && cg < fs->fs_ncg;
s++, n = -n, cg += n * s) {
DPRINTF("check cg %d of %d\n", cg, fs->fs_ncg);
error = bread(devvp, fsbtodb(fs, cgtod(fs, cg)),
fs->fs_cgsize, &bp);
if (error) {
continue;
}
cgp = (struct cg *)bp->b_data;
if (!cg_chkmagic(cgp)) {
brelse(bp);
continue;
}
blksfree = cg_blksfree(cgp);
for (blkno = 0; blkno < bpcg;) {
/* look for next free block */
/* XXX use scanc() and fragtbl[] here? */
for (; blkno < bpcg - min_desired_blks; blkno++)
if (ffs_isblock(fs, blksfree, blkno))
break;
/* past end of search space in this CG? */
if (blkno >= bpcg - min_desired_blks)
break;
/* count how many free blocks in this extent */
start_addr = blkno;
for (freeblks = 0; blkno < bpcg; blkno++, freeblks++)
if (!ffs_isblock(fs, blksfree, blkno))
break;
if (freeblks > best_blks) {
best_blks = freeblks;
best_addr = blkstofrags(fs, start_addr) +
cgbase(fs, cg);
if (freeblks >= desired_blks) {
DPRINTF("found len %lld"
" at offset %lld in gc\n",
freeblks, start_addr);
break;
}
}
}
brelse(bp);
}
DPRINTF("best found len = %lld, wanted %lld"
" at addr %lld\n", best_blks, desired_blks, best_addr);
if (best_blks < min_desired_blks) {
*addr = 0;
*indir_addr = 0;
} else {
/* put indirect blocks at start, and data blocks after */
*addr = best_addr + blkstofrags(fs, indir_blks);
*indir_addr = best_addr;
}
*size = min(desired_blks, best_blks) - indir_blks;
return;
bad:
*addr = 0;
*indir_addr = 0;
*size = 0;
return;
}
pass5()
{
int c, blk, frags, basesize, sumsize, mapsize, savednrpos;
register struct fs *fs = &sblock;
register struct cg *cg = &cgrp;
daddr_t dbase, dmax;
register daddr_t d;
register long i, j;
struct csum *cs;
time_t now;
struct csum cstotal;
struct inodesc idesc;
char buf[MAXBSIZE];
register struct cg *newcg = (struct cg *)buf;
struct ocg *ocg = (struct ocg *)buf;
bzero((char *)newcg, fs->fs_cgsize);
newcg->cg_niblk = fs->fs_ipg;
switch (fs->fs_postblformat) {
case FS_42POSTBLFMT:
basesize = (char *)(&ocg->cg_btot[0]) - (char *)(&ocg->cg_link);
sumsize = &ocg->cg_iused[0] - (char *)(&ocg->cg_btot[0]);
mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] -
(u_char *)&ocg->cg_iused[0];
ocg->cg_magic = CG_MAGIC;
savednrpos = fs->fs_nrpos;
fs->fs_nrpos = 8;
break;
case FS_DYNAMICPOSTBLFMT:
newcg->cg_btotoff =
&newcg->cg_space[0] - (u_char *)(&newcg->cg_link);
newcg->cg_boff =
newcg->cg_btotoff + fs->fs_cpg * sizeof(long);
newcg->cg_iusedoff = newcg->cg_boff +
fs->fs_cpg * fs->fs_nrpos * sizeof(short);
newcg->cg_freeoff =
newcg->cg_iusedoff + howmany(fs->fs_ipg, NBBY);
newcg->cg_nextfreeoff = newcg->cg_freeoff +
howmany(fs->fs_cpg * fs->fs_spc / NSPF(fs),
NBBY);
newcg->cg_magic = CG_MAGIC;
basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_link);
sumsize = newcg->cg_iusedoff - newcg->cg_btotoff;
mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
break;
default:
errexit("UNKNOWN ROTATIONAL TABLE FORMAT %d\n",
fs->fs_postblformat);
}
bzero((char *)&idesc, sizeof(struct inodesc));
idesc.id_type = ADDR;
bzero((char *)&cstotal, sizeof(struct csum));
(void)time(&now);
for (i = fs->fs_size; i < fragroundup(fs, fs->fs_size); i++)
setbmap(i);
for (c = 0; c < fs->fs_ncg; c++) {
getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize);
if (!cg_chkmagic(cg))
pfatal("CG %d: BAD MAGIC NUMBER\n", c);
dbase = cgbase(fs, c);
dmax = dbase + fs->fs_fpg;
if (dmax > fs->fs_size)
dmax = fs->fs_size;
if (now > cg->cg_time)
newcg->cg_time = cg->cg_time;
else
newcg->cg_time = now;
newcg->cg_cgx = c;
if (c == fs->fs_ncg - 1)
newcg->cg_ncyl = fs->fs_ncyl % fs->fs_cpg;
else
newcg->cg_ncyl = fs->fs_cpg;
newcg->cg_ndblk = dmax - dbase;
newcg->cg_cs.cs_ndir = 0;
newcg->cg_cs.cs_nffree = 0;
newcg->cg_cs.cs_nbfree = 0;
newcg->cg_cs.cs_nifree = fs->fs_ipg;
if (cg->cg_rotor < newcg->cg_ndblk)
newcg->cg_rotor = cg->cg_rotor;
else
newcg->cg_rotor = 0;
if (cg->cg_frotor < newcg->cg_ndblk)
newcg->cg_frotor = cg->cg_frotor;
else
newcg->cg_frotor = 0;
if (cg->cg_irotor < newcg->cg_niblk)
newcg->cg_irotor = cg->cg_irotor;
else
newcg->cg_irotor = 0;
bzero((char *)&newcg->cg_frsum[0], sizeof newcg->cg_frsum);
bzero((char *)&cg_blktot(newcg)[0], sumsize + mapsize);
if (fs->fs_postblformat == FS_42POSTBLFMT)
ocg->cg_magic = CG_MAGIC;
j = fs->fs_ipg * c;
for (i = 0; i < fs->fs_ipg; j++, i++) {
switch (statemap[j]) {
case USTATE:
break;
case DSTATE:
case DCLEAR:
case DFOUND:
newcg->cg_cs.cs_ndir++;
/* fall through */
case FSTATE:
case FCLEAR:
newcg->cg_cs.cs_nifree--;
setbit(cg_inosused(newcg), i);
break;
default:
if (j < ROOTINO)
break;
errexit("BAD STATE %d FOR INODE I=%d",
statemap[j], j);
}
}
if (c == 0)
for (i = 0; i < ROOTINO; i++) {
setbit(cg_inosused(newcg), i);
newcg->cg_cs.cs_nifree--;
}
for (i = 0, d = dbase;
d < dmax;
d += fs->fs_frag, i += fs->fs_frag) {
frags = 0;
for (j = 0; j < fs->fs_frag; j++) {
if (getbmap(d + j))
continue;
setbit(cg_blksfree(newcg), i + j);
frags++;
}
if (frags == fs->fs_frag) {
newcg->cg_cs.cs_nbfree++;
j = cbtocylno(fs, i);
cg_blktot(newcg)[j]++;
cg_blks(fs, newcg, j)[cbtorpos(fs, i)]++;
} else if (frags > 0) {
newcg->cg_cs.cs_nffree += frags;
blk = blkmap(fs, cg_blksfree(newcg), i);
fragacct(fs, blk, newcg->cg_frsum, 1);
}
}
cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
cs = &fs->fs_cs(fs, c);
if (bcmp((char *)&newcg->cg_cs, (char *)cs, sizeof *cs) != 0 &&
dofix(&idesc, "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
bcopy((char *)&newcg->cg_cs, (char *)cs, sizeof *cs);
sbdirty();
}
if (cvtflag) {
bcopy((char *)newcg, (char *)cg, fs->fs_cgsize);
cgdirty();
continue;
}
if (bcmp(cg_inosused(newcg),
cg_inosused(cg), mapsize) != 0 &&
dofix(&idesc, "BLK(S) MISSING IN BIT MAPS")) {
bcopy(cg_inosused(newcg), cg_inosused(cg), mapsize);
cgdirty();
}
if ((bcmp((char *)newcg, (char *)cg, basesize) != 0 ||
bcmp((char *)&cg_blktot(newcg)[0],
(char *)&cg_blktot(cg)[0], sumsize) != 0) &&
dofix(&idesc, "SUMMARY INFORMATION BAD")) {
bcopy((char *)newcg, (char *)cg, basesize);
bcopy((char *)&cg_blktot(newcg)[0],
(char *)&cg_blktot(cg)[0], sumsize);
cgdirty();
}
}
if (fs->fs_postblformat == FS_42POSTBLFMT)
fs->fs_nrpos = savednrpos;
if (bcmp((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs) != 0
&& dofix(&idesc, "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
bcopy((char *)&cstotal, (char *)&fs->fs_cstotal, sizeof *cs);
fs->fs_ronly = 0;
fs->fs_fmod = 0;
sbdirty();
}
}
/*
* Dump pass 1.
*
* Walk the inode list for a file system to find all allocated inodes
* that have been modified since the previous dump time. Also, find all
* the directories in the file system.
*/
int
mapfiles(ino_t maxino, long *tapesize)
{
int i, cg, mode, inosused;
int anydirskipped = 0;
union dinode *dp;
struct cg *cgp;
ino_t ino;
u_char *cp;
if ((cgp = malloc(sblock->fs_cgsize)) == NULL)
quit("mapfiles: cannot allocate memory.\n");
for (cg = 0; cg < sblock->fs_ncg; cg++) {
ino = cg * sblock->fs_ipg;
bread(fsbtodb(sblock, cgtod(sblock, cg)), (char *)cgp,
sblock->fs_cgsize);
if (sblock->fs_magic == FS_UFS2_MAGIC)
inosused = cgp->cg_initediblk;
else
inosused = sblock->fs_ipg;
/*
* If we are using soft updates, then we can trust the
* cylinder group inode allocation maps to tell us which
* inodes are allocated. We will scan the used inode map
* to find the inodes that are really in use, and then
* read only those inodes in from disk.
*/
if (sblock->fs_flags & FS_DOSOFTDEP) {
if (!cg_chkmagic(cgp))
quit("mapfiles: cg %d: bad magic number\n", cg);
cp = &cg_inosused(cgp)[(inosused - 1) / CHAR_BIT];
for ( ; inosused > 0; inosused -= CHAR_BIT, cp--) {
if (*cp == 0)
continue;
for (i = 1 << (CHAR_BIT - 1); i > 0; i >>= 1) {
if (*cp & i)
break;
inosused--;
}
break;
}
if (inosused <= 0)
continue;
}
for (i = 0; i < inosused; i++, ino++) {
if (ino < ROOTINO ||
(dp = getino(ino, &mode)) == NULL ||
(mode & IFMT) == 0)
continue;
if (ino >= maxino) {
msg("Skipping inode %d >= maxino %d\n",
ino, maxino);
continue;
}
/*
* Everything must go in usedinomap so that a check
* for "in dumpdirmap but not in usedinomap" to detect
* dirs with nodump set has a chance of succeeding
* (this is used in mapdirs()).
*/
SETINO(ino, usedinomap);
if (mode == IFDIR)
SETINO(ino, dumpdirmap);
if (WANTTODUMP(dp)) {
SETINO(ino, dumpinomap);
if (mode != IFREG &&
mode != IFDIR &&
mode != IFLNK)
*tapesize += 1;
else
*tapesize += blockest(dp);
continue;
}
if (mode == IFDIR) {
if (!nonodump &&
(DIP(dp, di_flags) & UF_NODUMP))
CLRINO(ino, usedinomap);
anydirskipped = 1;
}
}
}
/*
* Restore gets very upset if the root is not dumped,
* so ensure that it always is dumped.
*/
SETINO(ROOTINO, dumpinomap);
return (anydirskipped);
}
void
pass5(void)
{
int c, blk, frags, basesize, sumsize, mapsize, savednrpos = 0;
int inomapsize, blkmapsize;
struct fs *fs = &sblock;
struct cg *cg = &cgrp;
ufs_daddr_t dbase, dmax;
ufs_daddr_t d;
long i, j, k;
struct csum *cs;
struct csum cstotal;
struct inodesc idesc[3];
char buf[MAXBSIZE];
struct cg *newcg = (struct cg *)buf;
struct ocg *ocg = (struct ocg *)buf;
inoinfo(WINO)->ino_state = USTATE;
memset(newcg, 0, (size_t)fs->fs_cgsize);
newcg->cg_niblk = fs->fs_ipg;
if (cvtlevel >= 3) {
if (fs->fs_maxcontig < 2 && fs->fs_contigsumsize > 0) {
if (preen)
pwarn("DELETING CLUSTERING MAPS\n");
if (preen || reply("DELETE CLUSTERING MAPS")) {
fs->fs_contigsumsize = 0;
doinglevel1 = 1;
sbdirty();
}
}
if (fs->fs_maxcontig > 1) {
char *doit = NULL;
if (fs->fs_contigsumsize < 1) {
doit = "CREAT";
} else if (fs->fs_contigsumsize < fs->fs_maxcontig &&
fs->fs_contigsumsize < FS_MAXCONTIG) {
doit = "EXPAND";
}
if (doit) {
i = fs->fs_contigsumsize;
fs->fs_contigsumsize =
MIN(fs->fs_maxcontig, FS_MAXCONTIG);
if (CGSIZE(fs) > fs->fs_bsize) {
pwarn("CANNOT %s CLUSTER MAPS\n", doit);
fs->fs_contigsumsize = i;
} else if (preen ||
reply("CREATE CLUSTER MAPS")) {
if (preen)
pwarn("%sING CLUSTER MAPS\n",
doit);
fs->fs_cgsize =
fragroundup(fs, CGSIZE(fs));
doinglevel1 = 1;
sbdirty();
}
}
}
}
switch ((int)fs->fs_postblformat) {
case FS_42POSTBLFMT:
basesize = (char *)(&ocg->cg_btot[0]) -
(char *)(&ocg->cg_firstfield);
sumsize = &ocg->cg_iused[0] - (u_int8_t *)(&ocg->cg_btot[0]);
mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] -
(u_char *)&ocg->cg_iused[0];
blkmapsize = howmany(fs->fs_fpg, NBBY);
inomapsize = &ocg->cg_free[0] - (u_char *)&ocg->cg_iused[0];
ocg->cg_magic = CG_MAGIC;
savednrpos = fs->fs_nrpos;
fs->fs_nrpos = 8;
break;
case FS_DYNAMICPOSTBLFMT:
newcg->cg_btotoff =
&newcg->cg_space[0] - (u_char *)(&newcg->cg_firstfield);
newcg->cg_boff =
newcg->cg_btotoff + fs->fs_cpg * sizeof(int32_t);
newcg->cg_iusedoff = newcg->cg_boff +
fs->fs_cpg * fs->fs_nrpos * sizeof(u_int16_t);
newcg->cg_freeoff =
newcg->cg_iusedoff + howmany(fs->fs_ipg, NBBY);
inomapsize = newcg->cg_freeoff - newcg->cg_iusedoff;
newcg->cg_nextfreeoff = newcg->cg_freeoff +
howmany(fs->fs_cpg * fs->fs_spc / NSPF(fs), NBBY);
blkmapsize = newcg->cg_nextfreeoff - newcg->cg_freeoff;
if (fs->fs_contigsumsize > 0) {
newcg->cg_clustersumoff = newcg->cg_nextfreeoff -
sizeof(u_int32_t);
newcg->cg_clustersumoff =
roundup(newcg->cg_clustersumoff, sizeof(u_int32_t));
newcg->cg_clusteroff = newcg->cg_clustersumoff +
(fs->fs_contigsumsize + 1) * sizeof(u_int32_t);
newcg->cg_nextfreeoff = newcg->cg_clusteroff +
howmany(fs->fs_cpg * fs->fs_spc / NSPB(fs), NBBY);
}
newcg->cg_magic = CG_MAGIC;
basesize = &newcg->cg_space[0] -
(u_char *)(&newcg->cg_firstfield);
sumsize = newcg->cg_iusedoff - newcg->cg_btotoff;
mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
break;
default:
inomapsize = blkmapsize = sumsize = 0; /* keep lint happy */
errx(EEXIT, "UNKNOWN ROTATIONAL TABLE FORMAT %d",
fs->fs_postblformat);
}
memset(&idesc[0], 0, sizeof idesc);
for (i = 0; i < 3; i++) {
idesc[i].id_type = ADDR;
if (doinglevel2)
idesc[i].id_fix = FIX;
}
memset(&cstotal, 0, sizeof(struct csum));
j = blknum(fs, fs->fs_size + fs->fs_frag - 1);
for (i = fs->fs_size; i < j; i++)
setbmap(i);
for (c = 0; c < fs->fs_ncg; c++) {
if (got_siginfo) {
printf("%s: phase 5: cyl group %d of %d (%d%%)\n",
cdevname, c, sblock.fs_ncg,
c * 100 / sblock.fs_ncg);
got_siginfo = 0;
}
getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize);
if (!cg_chkmagic(cg))
pfatal("CG %d: BAD MAGIC NUMBER\n", c);
dbase = cgbase(fs, c);
dmax = dbase + fs->fs_fpg;
if (dmax > fs->fs_size)
dmax = fs->fs_size;
newcg->cg_time = cg->cg_time;
newcg->cg_cgx = c;
if (c == fs->fs_ncg - 1)
newcg->cg_ncyl = fs->fs_ncyl % fs->fs_cpg;
else
newcg->cg_ncyl = fs->fs_cpg;
newcg->cg_ndblk = dmax - dbase;
if (fs->fs_contigsumsize > 0)
newcg->cg_nclusterblks = newcg->cg_ndblk / fs->fs_frag;
newcg->cg_cs.cs_ndir = 0;
newcg->cg_cs.cs_nffree = 0;
newcg->cg_cs.cs_nbfree = 0;
newcg->cg_cs.cs_nifree = fs->fs_ipg;
if ((cg->cg_rotor >= 0) && (cg->cg_rotor < newcg->cg_ndblk))
newcg->cg_rotor = cg->cg_rotor;
else
newcg->cg_rotor = 0;
if ((cg->cg_frotor >= 0) && (cg->cg_frotor < newcg->cg_ndblk))
newcg->cg_frotor = cg->cg_frotor;
else
newcg->cg_frotor = 0;
if ((cg->cg_irotor >= 0) && (cg->cg_irotor < newcg->cg_niblk))
newcg->cg_irotor = cg->cg_irotor;
else
newcg->cg_irotor = 0;
memset(&newcg->cg_frsum[0], 0, sizeof newcg->cg_frsum);
memset(&cg_blktot(newcg)[0], 0,
(size_t)(sumsize + mapsize));
if (fs->fs_postblformat == FS_42POSTBLFMT)
ocg->cg_magic = CG_MAGIC;
j = fs->fs_ipg * c;
for (i = 0; i < inostathead[c].il_numalloced; j++, i++) {
switch (inoinfo(j)->ino_state) {
case USTATE:
break;
case DSTATE:
case DCLEAR:
case DFOUND:
newcg->cg_cs.cs_ndir++;
/* fall through */
case FSTATE:
case FCLEAR:
newcg->cg_cs.cs_nifree--;
setbit(cg_inosused(newcg), i);
break;
default:
if (j < ROOTINO)
break;
errx(EEXIT, "BAD STATE %d FOR INODE I=%ld",
inoinfo(j)->ino_state, j);
}
}
if (c == 0)
for (i = 0; i < ROOTINO; i++) {
setbit(cg_inosused(newcg), i);
newcg->cg_cs.cs_nifree--;
}
for (i = 0, d = dbase;
d < dmax;
d += fs->fs_frag, i += fs->fs_frag) {
frags = 0;
for (j = 0; j < fs->fs_frag; j++) {
if (testbmap(d + j))
continue;
setbit(cg_blksfree(newcg), i + j);
frags++;
}
if (frags == fs->fs_frag) {
newcg->cg_cs.cs_nbfree++;
j = cbtocylno(fs, i);
cg_blktot(newcg)[j]++;
cg_blks(fs, newcg, j)[cbtorpos(fs, i)]++;
if (fs->fs_contigsumsize > 0)
setbit(cg_clustersfree(newcg),
i / fs->fs_frag);
} else if (frags > 0) {
newcg->cg_cs.cs_nffree += frags;
blk = blkmap(fs, cg_blksfree(newcg), i);
ffs_fragacct(fs, blk, newcg->cg_frsum, 1);
}
}
if (fs->fs_contigsumsize > 0) {
int32_t *sump = cg_clustersum(newcg);
u_char *mapp = cg_clustersfree(newcg);
int map = *mapp++;
int bit = 1;
int run = 0;
for (i = 0; i < newcg->cg_nclusterblks; i++) {
if ((map & bit) != 0) {
run++;
} else if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
run = 0;
}
if ((i & (NBBY - 1)) != (NBBY - 1)) {
bit <<= 1;
} else {
map = *mapp++;
bit = 1;
}
}
if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
}
}
cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
cs = &fs->fs_cs(fs, c);
if (memcmp(&newcg->cg_cs, cs, sizeof *cs) != 0 &&
dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(cs, &newcg->cg_cs, sizeof *cs);
sbdirty();
}
if (doinglevel1) {
memmove(cg, newcg, (size_t)fs->fs_cgsize);
cgdirty();
continue;
}
if ((memcmp(newcg, cg, basesize) != 0 ||
memcmp(&cg_blktot(newcg)[0],
&cg_blktot(cg)[0], sumsize) != 0) &&
dofix(&idesc[2], "SUMMARY INFORMATION BAD")) {
memmove(cg, newcg, (size_t)basesize);
memmove(&cg_blktot(cg)[0],
&cg_blktot(newcg)[0], (size_t)sumsize);
cgdirty();
}
if (usedsoftdep) {
for (i = 0; i < inomapsize; i++) {
j = cg_inosused(newcg)[i];
if ((cg_inosused(cg)[i] & j) == j)
continue;
for (k = 0; k < NBBY; k++) {
if ((j & (1 << k)) == 0)
continue;
if (cg_inosused(cg)[i] & (1 << k))
continue;
pwarn("ALLOCATED INODE %d MARKED FREE\n",
c * fs->fs_ipg + i * NBBY + k);
}
}
for (i = 0; i < blkmapsize; i++) {
j = cg_blksfree(cg)[i];
if ((cg_blksfree(newcg)[i] & j) == j)
continue;
for (k = 0; k < NBBY; k++) {
if ((j & (1 << k)) == 0)
continue;
if (cg_blksfree(newcg)[i] & (1 << k))
continue;
pwarn("ALLOCATED FRAG %d MARKED FREE\n",
c * fs->fs_fpg + i * NBBY + k);
}
}
}
if (memcmp(cg_inosused(newcg), cg_inosused(cg), mapsize) != 0 &&
dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) {
memmove(cg_inosused(cg), cg_inosused(newcg),
(size_t)mapsize);
cgdirty();
}
}
if (fs->fs_postblformat == FS_42POSTBLFMT)
fs->fs_nrpos = savednrpos;
if (memcmp(&cstotal, &fs->fs_cstotal, sizeof *cs) != 0
&& dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(&fs->fs_cstotal, &cstotal, sizeof *cs);
fs->fs_ronly = 0;
fs->fs_fmod = 0;
sbdirty();
}
}
/*
* Verify cylinder group's magic number and other parameters. If the
* test fails, offer an option to rebuild the whole cylinder group.
*/
int
check_cgmagic(int cg, struct cg *cgp)
{
/*
* Extended cylinder group checks.
*/
if (cg_chkmagic(cgp) &&
((sblock.fs_magic == FS_UFS1_MAGIC &&
cgp->cg_old_niblk == sblock.fs_ipg &&
cgp->cg_ndblk <= sblock.fs_fpg &&
cgp->cg_old_ncyl <= sblock.fs_old_cpg) ||
(sblock.fs_magic == FS_UFS2_MAGIC &&
cgp->cg_niblk == sblock.fs_ipg &&
cgp->cg_ndblk <= sblock.fs_fpg &&
cgp->cg_initediblk <= sblock.fs_ipg))) {
return (1);
}
pfatal("CYLINDER GROUP %d: BAD MAGIC NUMBER", cg);
if (!reply("REBUILD CYLINDER GROUP")) {
printf("YOU WILL NEED TO RERUN FSCK.\n");
rerun = 1;
return (1);
}
/*
* Zero out the cylinder group and then initialize critical fields.
* Bit maps and summaries will be recalculated by later passes.
*/
memset(cgp, 0, (size_t)sblock.fs_cgsize);
cgp->cg_magic = CG_MAGIC;
cgp->cg_cgx = cg;
cgp->cg_niblk = sblock.fs_ipg;
cgp->cg_initediblk = sblock.fs_ipg < 2 * INOPB(&sblock) ?
sblock.fs_ipg : 2 * INOPB(&sblock);
if (cgbase(&sblock, cg) + sblock.fs_fpg < sblock.fs_size)
cgp->cg_ndblk = sblock.fs_fpg;
else
cgp->cg_ndblk = sblock.fs_size - cgbase(&sblock, cg);
cgp->cg_iusedoff = &cgp->cg_space[0] - (u_char *)(&cgp->cg_firstfield);
if (sblock.fs_magic == FS_UFS1_MAGIC) {
cgp->cg_niblk = 0;
cgp->cg_initediblk = 0;
cgp->cg_old_ncyl = sblock.fs_old_cpg;
cgp->cg_old_niblk = sblock.fs_ipg;
cgp->cg_old_btotoff = cgp->cg_iusedoff;
cgp->cg_old_boff = cgp->cg_old_btotoff +
sblock.fs_old_cpg * sizeof(int32_t);
cgp->cg_iusedoff = cgp->cg_old_boff +
sblock.fs_old_cpg * sizeof(u_int16_t);
}
cgp->cg_freeoff = cgp->cg_iusedoff + howmany(sblock.fs_ipg, CHAR_BIT);
cgp->cg_nextfreeoff = cgp->cg_freeoff + howmany(sblock.fs_fpg,CHAR_BIT);
if (sblock.fs_contigsumsize > 0) {
cgp->cg_nclusterblks = cgp->cg_ndblk / sblock.fs_frag;
cgp->cg_clustersumoff =
roundup(cgp->cg_nextfreeoff, sizeof(u_int32_t));
cgp->cg_clustersumoff -= sizeof(u_int32_t);
cgp->cg_clusteroff = cgp->cg_clustersumoff +
(sblock.fs_contigsumsize + 1) * sizeof(u_int32_t);
cgp->cg_nextfreeoff = cgp->cg_clusteroff +
howmany(fragstoblks(&sblock, sblock.fs_fpg), CHAR_BIT);
}
cgdirty();
return (0);
}
void
pass5(void)
{
int c, blk, frags, basesize, sumsize, mapsize, cssize;
int inomapsize, blkmapsize;
struct fs *fs = sblock;
daddr_t dbase, dmax;
daddr_t d;
long i, j, k;
struct csum *cs;
struct csum_total cstotal;
struct inodesc idesc[4];
char buf[MAXBSIZE];
struct cg *newcg = (struct cg *)buf;
struct ocg *ocg = (struct ocg *)buf;
struct cg *cg = cgrp, *ncg;
struct inostat *info;
u_int32_t ncgsize;
inoinfo(WINO)->ino_state = USTATE;
memset(newcg, 0, (size_t)fs->fs_cgsize);
newcg->cg_niblk = fs->fs_ipg;
if (cvtlevel >= 3) {
if (fs->fs_maxcontig < 2 && fs->fs_contigsumsize > 0) {
if (preen)
pwarn("DELETING CLUSTERING MAPS\n");
if (preen || reply("DELETE CLUSTERING MAPS")) {
fs->fs_contigsumsize = 0;
doinglevel1 = 1;
sbdirty();
}
}
if (fs->fs_maxcontig > 1) {
const char *doit = NULL;
if (fs->fs_contigsumsize < 1) {
doit = "CREAT";
} else if (fs->fs_contigsumsize < fs->fs_maxcontig &&
fs->fs_contigsumsize < FS_MAXCONTIG) {
doit = "EXPAND";
}
if (doit) {
i = fs->fs_contigsumsize;
fs->fs_contigsumsize =
MIN(fs->fs_maxcontig, FS_MAXCONTIG);
if (CGSIZE(fs) > fs->fs_bsize) {
pwarn("CANNOT %s CLUSTER MAPS\n", doit);
fs->fs_contigsumsize = i;
} else if (preen ||
reply("CREATE CLUSTER MAPS")) {
if (preen)
pwarn("%sING CLUSTER MAPS\n",
doit);
ncgsize = fragroundup(fs, CGSIZE(fs));
ncg = realloc(cgrp, ncgsize);
if (ncg == NULL)
errexit(
"cannot reallocate cg space");
cg = cgrp = ncg;
fs->fs_cgsize = ncgsize;
doinglevel1 = 1;
sbdirty();
}
}
}
}
basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_firstfield);
cssize = (u_char *)&cstotal.cs_spare[0] - (u_char *)&cstotal.cs_ndir;
sumsize = 0;
if (is_ufs2) {
newcg->cg_iusedoff = basesize;
} else {
/*
* We reserve the space for the old rotation summary
* tables for the benefit of old kernels, but do not
* maintain them in modern kernels. In time, they can
* go away.
*/
newcg->cg_old_btotoff = basesize;
newcg->cg_old_boff = newcg->cg_old_btotoff +
fs->fs_old_cpg * sizeof(int32_t);
newcg->cg_iusedoff = newcg->cg_old_boff +
fs->fs_old_cpg * fs->fs_old_nrpos * sizeof(u_int16_t);
memset(&newcg->cg_space[0], 0, newcg->cg_iusedoff - basesize);
}
inomapsize = howmany(fs->fs_ipg, CHAR_BIT);
newcg->cg_freeoff = newcg->cg_iusedoff + inomapsize;
blkmapsize = howmany(fs->fs_fpg, CHAR_BIT);
newcg->cg_nextfreeoff = newcg->cg_freeoff + blkmapsize;
if (fs->fs_contigsumsize > 0) {
newcg->cg_clustersumoff = newcg->cg_nextfreeoff -
sizeof(u_int32_t);
if (isappleufs) {
/* Apple PR2216969 gives rationale for this change.
* I believe they were mistaken, but we need to
* duplicate it for compatibility. -- [email protected]
*/
newcg->cg_clustersumoff += sizeof(u_int32_t);
}
newcg->cg_clustersumoff =
roundup(newcg->cg_clustersumoff, sizeof(u_int32_t));
newcg->cg_clusteroff = newcg->cg_clustersumoff +
(fs->fs_contigsumsize + 1) * sizeof(u_int32_t);
newcg->cg_nextfreeoff = newcg->cg_clusteroff +
howmany(fragstoblks(fs, fs->fs_fpg), CHAR_BIT);
}
newcg->cg_magic = CG_MAGIC;
mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
if (!is_ufs2 && ((fs->fs_old_flags & FS_FLAGS_UPDATED) == 0)) {
switch ((int)fs->fs_old_postblformat) {
case FS_42POSTBLFMT:
basesize = (char *)(&ocg->cg_btot[0]) -
(char *)(&ocg->cg_firstfield);
sumsize = &ocg->cg_iused[0] - (u_int8_t *)(&ocg->cg_btot[0]);
mapsize = &ocg->cg_free[howmany(fs->fs_fpg, NBBY)] -
(u_char *)&ocg->cg_iused[0];
blkmapsize = howmany(fs->fs_fpg, NBBY);
inomapsize = &ocg->cg_free[0] - (u_char *)&ocg->cg_iused[0];
ocg->cg_magic = CG_MAGIC;
newcg->cg_magic = 0;
break;
case FS_DYNAMICPOSTBLFMT:
sumsize = newcg->cg_iusedoff - newcg->cg_old_btotoff;
break;
default:
errexit("UNKNOWN ROTATIONAL TABLE FORMAT %d",
fs->fs_old_postblformat);
}
}
memset(&idesc[0], 0, sizeof idesc);
for (i = 0; i < 4; i++) {
idesc[i].id_type = ADDR;
if (!is_ufs2 && doinglevel2)
idesc[i].id_fix = FIX;
}
memset(&cstotal, 0, sizeof(struct csum_total));
dmax = blknum(fs, fs->fs_size + fs->fs_frag - 1);
for (d = fs->fs_size; d < dmax; d++)
setbmap(d);
for (c = 0; c < fs->fs_ncg; c++) {
if (got_siginfo) {
fprintf(stderr,
"%s: phase 5: cyl group %d of %d (%d%%)\n",
cdevname(), c, fs->fs_ncg,
c * 100 / fs->fs_ncg);
got_siginfo = 0;
}
#ifdef PROGRESS
progress_bar(cdevname(), preen ? NULL : "phase 5",
c, fs->fs_ncg);
#endif /* PROGRESS */
getblk(&cgblk, cgtod(fs, c), fs->fs_cgsize);
memcpy(cg, cgblk.b_un.b_cg, fs->fs_cgsize);
if((doswap && !needswap) || (!doswap && needswap))
ffs_cg_swap(cgblk.b_un.b_cg, cg, sblock);
if (!doinglevel1 && !cg_chkmagic(cg, 0))
pfatal("CG %d: PASS5: BAD MAGIC NUMBER\n", c);
if(doswap)
cgdirty();
/*
* While we have the disk head where we want it,
* write back the superblock to the spare at this
* cylinder group.
*/
if ((cvtlevel && sblk.b_dirty) || doswap) {
bwrite(fswritefd, sblk.b_un.b_buf,
fsbtodb(sblock, cgsblock(sblock, c)),
sblock->fs_sbsize);
} else {
/*
* Read in the current alternate superblock,
* and compare it to the master. If it's
* wrong, fix it up.
*/
getblk(&asblk, cgsblock(sblock, c), sblock->fs_sbsize);
if (asblk.b_errs)
pfatal("CG %d: UNABLE TO READ ALTERNATE "
"SUPERBLK\n", c);
else {
memmove(altsblock, asblk.b_un.b_fs,
sblock->fs_sbsize);
if (needswap)
ffs_sb_swap(asblk.b_un.b_fs, altsblock);
}
sb_oldfscompat_write(sblock, sblocksave);
if ((asblk.b_errs || cmpsblks(sblock, altsblock)) &&
dofix(&idesc[3],
"ALTERNATE SUPERBLK(S) ARE INCORRECT")) {
bwrite(fswritefd, sblk.b_un.b_buf,
fsbtodb(sblock, cgsblock(sblock, c)),
sblock->fs_sbsize);
}
sb_oldfscompat_read(sblock, 0);
}
dbase = cgbase(fs, c);
dmax = dbase + fs->fs_fpg;
if (dmax > fs->fs_size)
dmax = fs->fs_size;
if (is_ufs2 || (fs->fs_old_flags & FS_FLAGS_UPDATED))
newcg->cg_time = cg->cg_time;
newcg->cg_old_time = cg->cg_old_time;
newcg->cg_cgx = c;
newcg->cg_ndblk = dmax - dbase;
if (!is_ufs2) {
if (c == fs->fs_ncg - 1) {
/* Avoid fighting old fsck for this value. Its never used
* outside of this check anyway.
*/
if ((fs->fs_old_flags & FS_FLAGS_UPDATED) == 0)
newcg->cg_old_ncyl = fs->fs_old_ncyl % fs->fs_old_cpg;
else
newcg->cg_old_ncyl = howmany(newcg->cg_ndblk,
fs->fs_fpg / fs->fs_old_cpg);
} else
newcg->cg_old_ncyl = fs->fs_old_cpg;
newcg->cg_old_niblk = fs->fs_ipg;
newcg->cg_niblk = 0;
}
if (fs->fs_contigsumsize > 0)
newcg->cg_nclusterblks = newcg->cg_ndblk / fs->fs_frag;
newcg->cg_cs.cs_ndir = 0;
newcg->cg_cs.cs_nffree = 0;
newcg->cg_cs.cs_nbfree = 0;
newcg->cg_cs.cs_nifree = fs->fs_ipg;
if (cg->cg_rotor >= 0 && cg->cg_rotor < newcg->cg_ndblk)
newcg->cg_rotor = cg->cg_rotor;
else
newcg->cg_rotor = 0;
if (cg->cg_frotor >= 0 && cg->cg_frotor < newcg->cg_ndblk)
newcg->cg_frotor = cg->cg_frotor;
else
newcg->cg_frotor = 0;
if (cg->cg_irotor >= 0 && cg->cg_irotor < fs->fs_ipg)
newcg->cg_irotor = cg->cg_irotor;
else
newcg->cg_irotor = 0;
if (!is_ufs2) {
newcg->cg_initediblk = 0;
} else {
if ((unsigned)cg->cg_initediblk > fs->fs_ipg)
newcg->cg_initediblk = fs->fs_ipg;
else
newcg->cg_initediblk = cg->cg_initediblk;
}
memset(&newcg->cg_frsum[0], 0, sizeof newcg->cg_frsum);
memset(&old_cg_blktot(newcg, 0)[0], 0, (size_t)(sumsize));
memset(cg_inosused(newcg, 0), 0, (size_t)(mapsize));
if (!is_ufs2 && ((fs->fs_old_flags & FS_FLAGS_UPDATED) == 0) &&
fs->fs_old_postblformat == FS_42POSTBLFMT)
ocg->cg_magic = CG_MAGIC;
j = fs->fs_ipg * c;
for (i = 0; i < fs->fs_ipg; j++, i++) {
info = inoinfo(j);
switch (info->ino_state) {
case USTATE:
break;
case DSTATE:
case DCLEAR:
case DFOUND:
newcg->cg_cs.cs_ndir++;
/* fall through */
case FSTATE:
case FCLEAR:
newcg->cg_cs.cs_nifree--;
setbit(cg_inosused(newcg, 0), i);
break;
default:
if (j < ROOTINO)
break;
errexit("BAD STATE %d FOR INODE I=%ld",
info->ino_state, (long)j);
}
}
if (c == 0)
for (i = 0; i < ROOTINO; i++) {
setbit(cg_inosused(newcg, 0), i);
newcg->cg_cs.cs_nifree--;
}
for (i = 0, d = dbase;
d < dmax;
d += fs->fs_frag, i += fs->fs_frag) {
frags = 0;
for (j = 0; j < fs->fs_frag; j++) {
if (testbmap(d + j))
continue;
setbit(cg_blksfree(newcg, 0), i + j);
frags++;
}
if (frags == fs->fs_frag) {
newcg->cg_cs.cs_nbfree++;
if (sumsize) {
j = old_cbtocylno(fs, i);
old_cg_blktot(newcg, 0)[j]++;
old_cg_blks(fs, newcg, j, 0)[old_cbtorpos(fs, i)]++;
}
if (fs->fs_contigsumsize > 0)
setbit(cg_clustersfree(newcg, 0),
fragstoblks(fs, i));
} else if (frags > 0) {
newcg->cg_cs.cs_nffree += frags;
blk = blkmap(fs, cg_blksfree(newcg, 0), i);
ffs_fragacct(fs, blk, newcg->cg_frsum, 1, 0);
}
}
if (fs->fs_contigsumsize > 0) {
int32_t *sump = cg_clustersum(newcg, 0);
u_char *mapp = cg_clustersfree(newcg, 0);
int map = *mapp++;
int bit = 1;
int run = 0;
for (i = 0; i < newcg->cg_nclusterblks; i++) {
if ((map & bit) != 0) {
run++;
} else if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
run = 0;
}
if ((i & (NBBY - 1)) != (NBBY - 1)) {
bit <<= 1;
} else {
map = *mapp++;
bit = 1;
}
}
if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
}
}
cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
cs = &fs->fs_cs(fs, c);
if (memcmp(&newcg->cg_cs, cs, sizeof *cs) != 0) {
if (debug) {
printf("cg %d: nffree: %d/%d nbfree %d/%d"
" nifree %d/%d ndir %d/%d\n",
c, cs->cs_nffree,newcg->cg_cs.cs_nffree,
cs->cs_nbfree,newcg->cg_cs.cs_nbfree,
cs->cs_nifree,newcg->cg_cs.cs_nifree,
cs->cs_ndir,newcg->cg_cs.cs_ndir);
}
if (dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(cs, &newcg->cg_cs, sizeof *cs);
sbdirty();
} else
markclean = 0;
}
if (doinglevel1) {
memmove(cg, newcg, (size_t)fs->fs_cgsize);
cgdirty();
continue;
}
if ((memcmp(newcg, cg, basesize) != 0) ||
(memcmp(&old_cg_blktot(newcg, 0)[0],
&old_cg_blktot(cg, 0)[0], sumsize) != 0)) {
if (dofix(&idesc[2], "SUMMARY INFORMATION BAD")) {
memmove(cg, newcg, (size_t)basesize);
memmove(&old_cg_blktot(cg, 0)[0],
&old_cg_blktot(newcg, 0)[0], (size_t)sumsize);
cgdirty();
} else
markclean = 0;
}
if (usedsoftdep) {
for (i = 0; i < inomapsize; i++) {
j = cg_inosused(newcg, 0)[i];
if ((cg_inosused(cg, 0)[i] & j) == j)
continue;
for (k = 0; k < NBBY; k++) {
if ((j & (1 << k)) == 0)
continue;
if (cg_inosused(cg, 0)[i] & (1 << k))
continue;
pwarn("ALLOCATED INODE %ld "
"MARKED FREE\n",
c * fs->fs_ipg + i * 8 + k);
}
}
for (i = 0; i < blkmapsize; i++) {
j = cg_blksfree(cg, 0)[i];
if ((cg_blksfree(newcg, 0)[i] & j) == j)
continue;
for (k = 0; k < NBBY; k++) {
if ((j & (1 << k)) == 0)
continue;
if (cg_inosused(cg, 0)[i] & (1 << k))
continue;
pwarn("ALLOCATED FRAG %ld "
"MARKED FREE\n",
c * fs->fs_fpg + i * 8 + k);
}
}
}
if (memcmp(cg_inosused(newcg, 0), cg_inosused(cg, 0), mapsize)
!= 0 && dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) {
memmove(cg_inosused(cg, 0), cg_inosused(newcg, 0),
(size_t)mapsize);
cgdirty();
}
}
if (memcmp(&cstotal, &fs->fs_cstotal, cssize) != 0) {
if (debug) {
printf("total: nffree: %lld/%lld nbfree %lld/%lld"
" nifree %lld/%lld ndir %lld/%lld\n",
(long long int)fs->fs_cstotal.cs_nffree,
(long long int)cstotal.cs_nffree,
(long long int)fs->fs_cstotal.cs_nbfree,
(long long int)cstotal.cs_nbfree,
(long long int)fs->fs_cstotal.cs_nifree,
(long long int)cstotal.cs_nifree,
(long long int)fs->fs_cstotal.cs_ndir,
(long long int)cstotal.cs_ndir);
}
if (dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(&fs->fs_cstotal, &cstotal, sizeof cstotal);
fs->fs_ronly = 0;
fs->fs_fmod = 0;
sbdirty();
} else
markclean = 0;
}
#ifdef PROGRESS
if (!preen)
progress_done();
#endif /* PROGRESS */
}
void
pass5(void)
{
int c, i, j, blk, frags, basesize, mapsize;
int inomapsize, blkmapsize;
struct fs *fs = &sblock;
ufs2_daddr_t d, dbase, dmax, start;
int rewritecg = 0;
struct csum *cs;
struct csum_total cstotal;
struct inodesc idesc[3];
char buf[MAXBSIZE];
struct cg *cg, *newcg = (struct cg *)buf;
struct bufarea *cgbp;
inoinfo(WINO)->ino_state = USTATE;
memset(newcg, 0, (size_t)fs->fs_cgsize);
newcg->cg_niblk = fs->fs_ipg;
if (cvtlevel >= 3) {
if (fs->fs_maxcontig < 2 && fs->fs_contigsumsize > 0) {
if (preen)
pwarn("DELETING CLUSTERING MAPS\n");
if (preen || reply("DELETE CLUSTERING MAPS")) {
fs->fs_contigsumsize = 0;
rewritecg = 1;
sbdirty();
}
}
if (fs->fs_maxcontig > 1) {
const char *doit = 0;
if (fs->fs_contigsumsize < 1) {
doit = "CREAT";
} else if (fs->fs_contigsumsize < fs->fs_maxcontig &&
fs->fs_contigsumsize < FS_MAXCONTIG) {
doit = "EXPAND";
}
if (doit) {
i = fs->fs_contigsumsize;
fs->fs_contigsumsize =
MIN(fs->fs_maxcontig, FS_MAXCONTIG);
if (CGSIZE(fs) > (u_int)fs->fs_bsize) {
pwarn("CANNOT %s CLUSTER MAPS\n", doit);
fs->fs_contigsumsize = i;
} else if (preen ||
reply("CREATE CLUSTER MAPS")) {
if (preen)
pwarn("%sING CLUSTER MAPS\n",
doit);
fs->fs_cgsize =
fragroundup(fs, CGSIZE(fs));
rewritecg = 1;
sbdirty();
}
}
}
}
basesize = &newcg->cg_space[0] - (u_char *)(&newcg->cg_firstfield);
if (sblock.fs_magic == FS_UFS2_MAGIC) {
newcg->cg_iusedoff = basesize;
} else {
/*
* We reserve the space for the old rotation summary
* tables for the benefit of old kernels, but do not
* maintain them in modern kernels. In time, they can
* go away.
*/
newcg->cg_old_btotoff = basesize;
newcg->cg_old_boff = newcg->cg_old_btotoff +
fs->fs_old_cpg * sizeof(int32_t);
newcg->cg_iusedoff = newcg->cg_old_boff +
fs->fs_old_cpg * fs->fs_old_nrpos * sizeof(u_int16_t);
memset(&newcg->cg_space[0], 0, newcg->cg_iusedoff - basesize);
}
inomapsize = howmany(fs->fs_ipg, CHAR_BIT);
newcg->cg_freeoff = newcg->cg_iusedoff + inomapsize;
blkmapsize = howmany(fs->fs_fpg, CHAR_BIT);
newcg->cg_nextfreeoff = newcg->cg_freeoff + blkmapsize;
if (fs->fs_contigsumsize > 0) {
newcg->cg_clustersumoff = newcg->cg_nextfreeoff -
sizeof(u_int32_t);
newcg->cg_clustersumoff =
roundup(newcg->cg_clustersumoff, sizeof(u_int32_t));
newcg->cg_clusteroff = newcg->cg_clustersumoff +
(fs->fs_contigsumsize + 1) * sizeof(u_int32_t);
newcg->cg_nextfreeoff = newcg->cg_clusteroff +
howmany(fragstoblks(fs, fs->fs_fpg), CHAR_BIT);
}
newcg->cg_magic = CG_MAGIC;
mapsize = newcg->cg_nextfreeoff - newcg->cg_iusedoff;
memset(&idesc[0], 0, sizeof idesc);
for (i = 0; i < 3; i++)
idesc[i].id_type = ADDR;
memset(&cstotal, 0, sizeof(struct csum_total));
dmax = blknum(fs, fs->fs_size + fs->fs_frag - 1);
for (d = fs->fs_size; d < dmax; d++)
setbmap(d);
for (c = 0; c < fs->fs_ncg; c++) {
if (got_siginfo) {
printf("%s: phase 5: cyl group %d of %d (%d%%)\n",
cdevname, c, sblock.fs_ncg,
c * 100 / sblock.fs_ncg);
got_siginfo = 0;
}
if (got_sigalarm) {
setproctitle("%s p5 %d%%", cdevname,
c * 100 / sblock.fs_ncg);
got_sigalarm = 0;
}
cgbp = cgget(c);
cg = cgbp->b_un.b_cg;
if (!cg_chkmagic(cg))
pfatal("CG %d: BAD MAGIC NUMBER\n", c);
newcg->cg_time = cg->cg_time;
newcg->cg_old_time = cg->cg_old_time;
newcg->cg_unrefs = cg->cg_unrefs;
newcg->cg_cgx = c;
dbase = cgbase(fs, c);
dmax = dbase + fs->fs_fpg;
if (dmax > fs->fs_size)
dmax = fs->fs_size;
newcg->cg_ndblk = dmax - dbase;
if (fs->fs_magic == FS_UFS1_MAGIC) {
if (c == fs->fs_ncg - 1)
newcg->cg_old_ncyl = howmany(newcg->cg_ndblk,
fs->fs_fpg / fs->fs_old_cpg);
else
newcg->cg_old_ncyl = fs->fs_old_cpg;
newcg->cg_old_niblk = fs->fs_ipg;
newcg->cg_niblk = 0;
}
if (fs->fs_contigsumsize > 0)
newcg->cg_nclusterblks = newcg->cg_ndblk / fs->fs_frag;
newcg->cg_cs.cs_ndir = 0;
newcg->cg_cs.cs_nffree = 0;
newcg->cg_cs.cs_nbfree = 0;
newcg->cg_cs.cs_nifree = fs->fs_ipg;
if (cg->cg_rotor >= 0 && cg->cg_rotor < newcg->cg_ndblk)
newcg->cg_rotor = cg->cg_rotor;
else
newcg->cg_rotor = 0;
if (cg->cg_frotor >= 0 && cg->cg_frotor < newcg->cg_ndblk)
newcg->cg_frotor = cg->cg_frotor;
else
newcg->cg_frotor = 0;
if (cg->cg_irotor >= 0 && cg->cg_irotor < fs->fs_ipg)
newcg->cg_irotor = cg->cg_irotor;
else
newcg->cg_irotor = 0;
if (fs->fs_magic == FS_UFS1_MAGIC) {
newcg->cg_initediblk = 0;
} else {
if ((unsigned)cg->cg_initediblk > fs->fs_ipg)
newcg->cg_initediblk = fs->fs_ipg;
else
newcg->cg_initediblk = cg->cg_initediblk;
}
memset(&newcg->cg_frsum[0], 0, sizeof newcg->cg_frsum);
memset(cg_inosused(newcg), 0, (size_t)(mapsize));
j = fs->fs_ipg * c;
for (i = 0; i < inostathead[c].il_numalloced; j++, i++) {
switch (inoinfo(j)->ino_state) {
case USTATE:
break;
case DSTATE:
case DCLEAR:
case DFOUND:
case DZLINK:
newcg->cg_cs.cs_ndir++;
/* FALLTHROUGH */
case FSTATE:
case FCLEAR:
case FZLINK:
newcg->cg_cs.cs_nifree--;
setbit(cg_inosused(newcg), i);
break;
default:
if (j < (int)ROOTINO)
break;
errx(EEXIT, "BAD STATE %d FOR INODE I=%d",
inoinfo(j)->ino_state, j);
}
}
if (c == 0)
for (i = 0; i < (int)ROOTINO; i++) {
setbit(cg_inosused(newcg), i);
newcg->cg_cs.cs_nifree--;
}
start = -1;
for (i = 0, d = dbase;
d < dmax;
d += fs->fs_frag, i += fs->fs_frag) {
frags = 0;
for (j = 0; j < fs->fs_frag; j++) {
if (testbmap(d + j)) {
if (Eflag && start != -1) {
clear_blocks(start, d + j - 1);
start = -1;
}
continue;
}
if (start == -1)
start = d + j;
setbit(cg_blksfree(newcg), i + j);
frags++;
}
if (frags == fs->fs_frag) {
newcg->cg_cs.cs_nbfree++;
if (fs->fs_contigsumsize > 0)
setbit(cg_clustersfree(newcg),
i / fs->fs_frag);
} else if (frags > 0) {
newcg->cg_cs.cs_nffree += frags;
blk = blkmap(fs, cg_blksfree(newcg), i);
ffs_fragacct(fs, blk, newcg->cg_frsum, 1);
}
}
if (Eflag && start != -1)
clear_blocks(start, d - 1);
if (fs->fs_contigsumsize > 0) {
int32_t *sump = cg_clustersum(newcg);
u_char *mapp = cg_clustersfree(newcg);
int map = *mapp++;
int bit = 1;
int run = 0;
for (i = 0; i < newcg->cg_nclusterblks; i++) {
if ((map & bit) != 0) {
run++;
} else if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
run = 0;
}
if ((i & (CHAR_BIT - 1)) != (CHAR_BIT - 1)) {
bit <<= 1;
} else {
map = *mapp++;
bit = 1;
}
}
if (run != 0) {
if (run > fs->fs_contigsumsize)
run = fs->fs_contigsumsize;
sump[run]++;
}
}
if (bkgrdflag != 0) {
cstotal.cs_nffree += cg->cg_cs.cs_nffree;
cstotal.cs_nbfree += cg->cg_cs.cs_nbfree;
cstotal.cs_nifree += cg->cg_cs.cs_nifree;
cstotal.cs_ndir += cg->cg_cs.cs_ndir;
} else {
cstotal.cs_nffree += newcg->cg_cs.cs_nffree;
cstotal.cs_nbfree += newcg->cg_cs.cs_nbfree;
cstotal.cs_nifree += newcg->cg_cs.cs_nifree;
cstotal.cs_ndir += newcg->cg_cs.cs_ndir;
}
cs = &fs->fs_cs(fs, c);
if (cursnapshot == 0 &&
memcmp(&newcg->cg_cs, cs, sizeof *cs) != 0 &&
dofix(&idesc[0], "FREE BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(cs, &newcg->cg_cs, sizeof *cs);
sbdirty();
}
if (rewritecg) {
memmove(cg, newcg, (size_t)fs->fs_cgsize);
dirty(cgbp);
continue;
}
if (cursnapshot == 0 &&
memcmp(newcg, cg, basesize) != 0 &&
dofix(&idesc[2], "SUMMARY INFORMATION BAD")) {
memmove(cg, newcg, (size_t)basesize);
dirty(cgbp);
}
if (bkgrdflag != 0 || usedsoftdep || debug)
update_maps(cg, newcg, bkgrdflag);
if (cursnapshot == 0 &&
memcmp(cg_inosused(newcg), cg_inosused(cg), mapsize) != 0 &&
dofix(&idesc[1], "BLK(S) MISSING IN BIT MAPS")) {
memmove(cg_inosused(cg), cg_inosused(newcg),
(size_t)mapsize);
dirty(cgbp);
}
}
if (cursnapshot == 0 &&
memcmp(&cstotal, &fs->fs_cstotal, sizeof cstotal) != 0
&& dofix(&idesc[0], "SUMMARY BLK COUNT(S) WRONG IN SUPERBLK")) {
memmove(&fs->fs_cstotal, &cstotal, sizeof cstotal);
fs->fs_ronly = 0;
fs->fs_fmod = 0;
sbdirty();
}
/*
* When doing background fsck on a snapshot, figure out whether
* the superblock summary is inaccurate and correct it when
* necessary.
*/
if (cursnapshot != 0) {
cmd.size = 1;
cmd.value = cstotal.cs_ndir - fs->fs_cstotal.cs_ndir;
if (cmd.value != 0) {
if (debug)
printf("adjndir by %+" PRIi64 "\n", cmd.value);
if (bkgrdsumadj == 0 || sysctl(adjndir, MIBSIZE, 0, 0,
&cmd, sizeof cmd) == -1)
rwerror("ADJUST NUMBER OF DIRECTORIES", cmd.value);
}
cmd.value = cstotal.cs_nbfree - fs->fs_cstotal.cs_nbfree;
if (cmd.value != 0) {
if (debug)
printf("adjnbfree by %+" PRIi64 "\n", cmd.value);
if (bkgrdsumadj == 0 || sysctl(adjnbfree, MIBSIZE, 0, 0,
&cmd, sizeof cmd) == -1)
rwerror("ADJUST NUMBER OF FREE BLOCKS", cmd.value);
}
cmd.value = cstotal.cs_nifree - fs->fs_cstotal.cs_nifree;
if (cmd.value != 0) {
if (debug)
printf("adjnifree by %+" PRIi64 "\n", cmd.value);
if (bkgrdsumadj == 0 || sysctl(adjnifree, MIBSIZE, 0, 0,
&cmd, sizeof cmd) == -1)
rwerror("ADJUST NUMBER OF FREE INODES", cmd.value);
}
cmd.value = cstotal.cs_nffree - fs->fs_cstotal.cs_nffree;
if (cmd.value != 0) {
if (debug)
printf("adjnffree by %+" PRIi64 "\n", cmd.value);
if (bkgrdsumadj == 0 || sysctl(adjnffree, MIBSIZE, 0, 0,
&cmd, sizeof cmd) == -1)
rwerror("ADJUST NUMBER OF FREE FRAGS", cmd.value);
}
cmd.value = cstotal.cs_numclusters - fs->fs_cstotal.cs_numclusters;
if (cmd.value != 0) {
if (debug)
printf("adjnumclusters by %+" PRIi64 "\n", cmd.value);
if (bkgrdsumadj == 0 || sysctl(adjnumclusters, MIBSIZE, 0, 0,
&cmd, sizeof cmd) == -1)
rwerror("ADJUST NUMBER OF FREE CLUSTERS", cmd.value);
}
}
}
