2 * Copyright (c) 1980, 1986 The Regents of the University of California.
5 * Redistribution and use in source and binary forms are permitted
6 * provided that the above copyright notice and this paragraph are
7 * duplicated in all such forms and that any documentation,
8 * advertising materials, and other materials related to such
9 * distribution and use acknowledge that the software was developed
10 * by the University of California, Berkeley. The name of the
11 * University may not be used to endorse or promote products derived
12 * from this software without specific prior written permission.
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
18 #include <afsconfig.h>
19 #include <afs/param.h>
25 #define VICE /* control whether AFS changes are present */
28 #include <sys/mount.h>
29 #include <sys/vnode.h>
30 #include <ufs/inode.h>
37 #else /* AFS_OSF_ENV */
38 #ifdef AFS_VFSINCL_ENV
40 #include <sys/vnode.h>
42 #include <sys/fs/ufs_inode.h>
43 #include <sys/fs/ufs_fs.h>
45 #include <sys/fs/ufs_fsdir.h>
48 #include <ufs/inode.h>
50 #include <ufs/fsdir.h>
54 #else /* AFS_VFSINCL_ENV */
55 #include <sys/inode.h>
57 #define LONGFILENAMES 1
58 #include <sys/sysmacros.h>
61 #ifdef HAVE_USR_OLD_USR_INCLUDE_NDIR_H
62 #include </usr/old/usr/include/ndir.h>
70 #endif /* AFS_VFSINCL_ENV */
71 #endif /* AFS_OSF_ENV */
73 #include <afs/osi_inode.h>
79 #include <sys/mnttab.h>
80 #include <sys/mntent.h>
84 #endif /* AFS_SUN_ENV */
86 struct bufarea *pbp = 0;
90 struct inodesc *idesc;
93 long ret, n, ndb, offset;
95 UOFF_T indir_data_blks;
96 extern int pass1check();
102 idesc->id_fix = DONTKNOW;
103 idesc->id_entryno = 0;
104 idesc->id_filesize = dp->di_size;
105 if ((dp->di_mode & IFMT) == IFBLK || (dp->di_mode & IFMT) == IFCHR)
108 if ((dp->di_flags & IC_FASTLINK) != 0) {
111 #endif /* AFS_OSF_ENV */
113 ndb = howmany(dino.di_size, (UOFF_T) sblock.fs_bsize);
117 * Check property lists on pass1
119 if (idesc->id_func == pass1check && dino.di_flags & IC_PROPLIST && *ap) {
120 ret = proplist_scan(dp, idesc);
124 #endif /* AFS_OSF_ENV */
125 for (; ap < &dino.di_db[NDADDR]; ap++) {
126 if (--ndb == 0 && (offset = blkoff(&sblock, dino.di_size)) != 0)
128 numfrags(&sblock, fragroundup(&sblock, offset));
130 idesc->id_numfrags = sblock.fs_frag;
133 idesc->id_blkno = *ap;
134 if (idesc->id_type == ADDR)
135 ret = (*idesc->id_func) (idesc);
137 ret = dirscan(idesc);
141 idesc->id_numfrags = sblock.fs_frag;
142 #if defined(AFS_SUN56_ENV)
144 * indir_data_blks determine the no. of data blocks
145 * in the previous levels. ie., at level 3 it
146 * is the number of data blocks at level 2, 1, and 0.
148 for (ap = &dino.di_ib[0], n = 1; n <= NIADDR; ap++, n++) {
151 indir_data_blks = NDADDR;
154 indir_data_blks = NDADDR + NINDIR(&sblock);
158 NDADDR + NINDIR(&sblock) +
159 (NINDIR(&sblock) * NINDIR(&sblock));
162 idesc->id_blkno = *ap;
165 (u_offset_t) howmany(dino.di_size,
166 (u_offset_t) sblock.fs_bsize) -
173 for (ap = &dino.di_ib[0], n = 1; n <= NIADDR; ap++, n++) {
175 idesc->id_blkno = *ap;
176 ret = iblock(idesc, n, dino.di_size - sblock.fs_bsize * NDADDR);
185 iblock(idesc, ilevel, isize)
186 struct inodesc *idesc;
192 int i, n, (*func) ();
197 extern int dirscan(), pass1check();
199 if (idesc->id_type == ADDR) {
200 func = idesc->id_func;
201 if (((n = (*func) (idesc)) & KEEPON) == 0)
205 if (chkrange(idesc->id_blkno, idesc->id_numfrags))
207 bp = getdatablk(idesc->id_blkno, sblock.fs_bsize);
209 #if defined(AFS_SUN56_ENV)
210 for (sizepb = 1, i = 0; i < ilevel; i++) {
211 sizepb *= (u_offset_t) NINDIR(&sblock);
215 * nif indicates the next "free" pointer (as an array index) in this
216 * indirect block, based on counting the blocks remaining in the
217 * file after subtracting all previously processed blocks.
218 * This figure is based on the size field of the inode.
220 * Note that in normal operation, nif may initially calculated to
221 * be larger than the number of pointers in this block; if that is
222 * the case, nif is limited to the max number of pointers per
225 * Also note that if an inode is inconsistant (has more blocks
226 * allocated to it than the size field would indicate), the sweep
227 * through any indirect blocks directly pointed at by the inode
228 * continues. Since the block offset of any data blocks referenced
229 * by these indirect blocks is greater than the size of the file,
230 * the index nif may be computed as a negative value.
231 * In this case, we reset nif to indicate that all pointers in
232 * this retrieval block should be zeroed and the resulting
233 * unreferenced data and/or retrieval blocks be recovered
234 * through garbage collection later.
236 nif = (offset_t) howmany(isize, sizepb);
237 if (nif > NINDIR(&sblock))
238 nif = NINDIR(&sblock);
242 for (sizepb = sblock.fs_bsize, i = 0; i < ilevel; i++)
243 sizepb *= (UOFF_T) NINDIR(&sblock);
244 nif = isize / sizepb + 1;
245 if (nif > NINDIR(&sblock))
246 nif = NINDIR(&sblock);
248 if (idesc->id_func == pass1check && nif < NINDIR(&sblock)) {
249 aplim = &bp->b_un.b_indir[NINDIR(&sblock)];
250 for (ap = &bp->b_un.b_indir[nif]; ap < aplim; ap++) {
253 (void)sprintf(buf, "PARTIALLY TRUNCATED INODE I=%d",
255 if (dofix(idesc, buf)) {
260 flush(fswritefd, bp);
262 aplim = &bp->b_un.b_indir[nif];
263 for (ap = bp->b_un.b_indir, i = 1; ap < aplim; ap++, i++) {
265 idesc->id_blkno = *ap;
267 #if defined(AFS_SUN56_ENV)
268 n = iblock(idesc, ilevel, isize);
270 * each iteration decrease "remaining block
271 * count" by however many blocks were accessible
272 * by a pointer at this indirect block level.
276 n = iblock(idesc, ilevel, isize - i * sizepb);
281 bp->b_flags &= ~B_INUSE;
286 bp->b_flags &= ~B_INUSE;
291 * Check that a block in a legal block number.
292 * Return 0 if in range, 1 if out of range.
300 if ((unsigned)(blk + cnt) > maxfsblock)
302 c = dtog(&sblock, blk);
303 if (blk < cgdmin(&sblock, c)) {
304 if ((blk + cnt) > cgsblock(&sblock, c)) {
306 printf("blk %d < cgdmin %d;", blk, cgdmin(&sblock, c));
307 printf(" blk + cnt %d > cgsbase %d\n", blk + cnt,
308 cgsblock(&sblock, c));
313 if ((blk + cnt) > cgbase(&sblock, c + 1)) {
315 printf("blk %d >= cgdmin %d;", blk, cgdmin(&sblock, c));
316 printf(" blk + cnt %d > sblock.fs_fpg %d\n", blk + cnt,
331 if (inumber < ROOTINO || inumber > maxino)
332 errexit("bad inode number %d to ginode\n", inumber);
333 if (mlk_startinum == 0 || inumber < mlk_startinum
334 || inumber >= mlk_startinum + INOPB(&sblock)) {
335 iblk = itod(&sblock, inumber);
337 pbp->b_flags &= ~B_INUSE;
338 pbp = getdatablk(iblk, sblock.fs_bsize);
339 mlk_startinum = (inumber / INOPB(&sblock)) * INOPB(&sblock);
341 return (&pbp->b_un.b_dinode[inumber % INOPB(&sblock)]);
347 struct inoinfo **inpp;
351 for (inpp = &inpsort[inplast - 1]; inpp >= inpsort; inpp--)
352 free((char *)(*inpp));
353 free((char *)inphead);
354 free((char *)inpsort);
355 inphead = inpsort = NULL;
365 clri(idesc, type, flag)
366 struct inodesc *idesc;
371 #if defined(ACLS) && defined(AFS_HPUX_ENV)
372 struct inodesc cidesc;
375 dp = ginode(idesc->id_number);
377 pwarn("%s %s", type, (dp->di_mode & IFMT) == IFDIR ? "DIR" : "FILE");
378 pinode(idesc->id_number);
379 #if defined(ACLS) && defined(AFS_HPUX_ENV)
380 } else if (flag == 2) {
381 pwarn("%s %s", type, "CONTINUATION INODE ");
382 printf(" I=%u ", idesc->id_number);
385 if (preen || reply("CLEAR") == 1) {
387 printf(" (CLEARED)\n");
388 #if defined(ACLS) && defined(AFS_HPUX_ENV)
395 * If there is a CI associated with this inode, we must
398 if (statemap[idesc->id_number] & HASCINODE) {
399 if (!(dp->di_contin < ROOTINO || dp->di_contin > maxino))
400 cidesc.id_number = dp->di_contin;
401 clri(&cidesc, "UNREF", 2);
406 (void)ckinode(dp, idesc);
412 statemap[idesc->id_number] = USTATE;
418 struct inodesc *idesc;
420 struct direct *dirp = idesc->id_dirp;
422 if (dirp->d_ino != idesc->id_parent)
424 memcpy(idesc->id_name, dirp->d_name, (int)dirp->d_namlen + 1);
425 return (STOP | FOUND);
429 struct inodesc *idesc;
431 struct direct *dirp = idesc->id_dirp;
433 if (dirp->d_ino == 0)
435 if (strcmp(dirp->d_name, idesc->id_name) == 0 && dirp->d_ino >= ROOTINO
436 && dirp->d_ino <= maxino) {
437 idesc->id_parent = dirp->d_ino;
438 return (STOP | FOUND);
452 printf(" I=%u ", ino);
453 if (ino < ROOTINO || ino > maxino)
457 #if defined(AFS_HPUX110_ENV)
463 pwarn("Could not getinode(%d) in pinode.", ino);
466 uid = _GET_D_UID(dp);
467 if (getpw(uid, uidbuf) == 0) {
468 for (p = uidbuf; *p != ':'; p++);
470 printf("%s ", uidbuf);
475 #else /* AFS_HPUX110_ENV */
476 #if defined(AFS_HPUX102_ENV)
477 if ((pw = getpwuid(_GET_D_UID(dp))) != 0)
478 printf("%s ", pw->pw_name);
480 printf("%d ", _GET_D_UID(dp));
481 #else /* AFS_HPUX102_ENV */
482 if ((pw = getpwuid((int)dp->di_uid)) != 0)
483 printf("%s ", pw->pw_name);
485 printf("%d ", dp->di_uid);
486 #endif /* else AFS_HPUX102_ENV */
487 #endif /* else AFS_HPUX110_ENV */
488 printf("MODE=%o\n", dp->di_mode);
490 printf("%s: ", devname);
491 #if defined(AFS_SUN56_ENV)
492 printf("SIZE=%" AFS_INT64_FMT " ", dp->di_size);
494 printf("SIZE=%ld ", dp->di_size);
498 printf("MTIME=%12.12s %4.4s ", p + 4, p + 20);
501 blkerror(ino, type, blk)
507 pfatal("%ld %s I=%u", blk, type, ino);
509 switch (statemap[ino]) {
515 #if defined(ACLS) && defined(AFS_HPUX_ENV)
517 * Keep the continuation inode info
519 if (statemap[ino] & HASCINODE)
520 statemap[ino] = FCLEAR | HASCINODE;
522 statemap[ino] = FCLEAR;
524 statemap[ino] = FCLEAR;
529 #if defined(ACLS) && defined(AFS_HPUX_ENV)
531 * Keep the continuation inode info
533 if (statemap[ino] & HASCINODE)
534 statemap[ino] = DCLEAR | HASCINODE;
536 statemap[ino] = DCLEAR;
538 statemap[ino] = DCLEAR;
547 errexit("BAD STATE %d TO BLKERR", statemap[ino]);
553 * allocate an unused inode
556 allocino(request, type)
565 else if (statemap[request] != USTATE)
567 for (ino = request; ino < maxino; ino++)
568 if (statemap[ino] == USTATE)
572 switch (type & IFMT) {
574 statemap[ino] = DSTATE;
578 statemap[ino] = FSTATE;
584 dp->di_db[0] = allocblk((long)1);
585 if (dp->di_db[0] == 0) {
586 statemap[ino] = USTATE;
591 dp->di_mtime = dp->di_ctime = dp->di_atime;
592 dp->di_size = sblock.fs_fsize;
593 dp->di_blocks = btodb(sblock.fs_fsize);
601 * deallocate an inode
606 struct inodesc idesc;
607 extern int pass4check();
610 memset(&idesc, 0, sizeof(struct inodesc));
611 idesc.id_type = ADDR;
612 idesc.id_func = pass4check;
613 idesc.id_number = ino;
615 (void)ckinode(dp, &idesc);
622 statemap[ino] = USTATE;