2 * Copyright 2000, International Business Machines Corporation and others.
5 * This software has been released under the terms of the IBM Public
6 * License. For details, see the LICENSE file in the top-level source
7 * directory or online at http://www.openafs.org/dl/license10.html
14 Institution: The Information Technology Center, Carnegie-Mellon University
18 #define ITC /* Required by inode.h */
20 #include <afsconfig.h>
21 #include <afs/param.h>
27 #if defined(AFS_LINUX20_ENV) || defined(AFS_SUN4_ENV)
32 * -1 - Unable to read the inodes.
33 * -2 - Unable to completely write temp file. Produces warning message in log.
36 ListViceInodes(char *devname, char *mountedOn, FILE *inodeFile,
37 afs_uint32 (*judgeInode) (), afs_uint32 judgeParam, int *forcep, int forceR,
38 char *wpath, void *rock)
40 Log("ListViceInodes not implemented for this platform!\n");
45 #include <sys/param.h>
46 #if defined(AFS_SGI_ENV)
50 #else /* AFS_OSF_ENV */
51 #ifdef AFS_VFSINCL_ENV
54 #include <sys/fs/ufs_fs.h>
56 #if defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
57 #include <ufs/ufs/dinode.h>
58 #include <ufs/ffs/fs.h>
59 #define itod ino_to_fsba
64 #else /* AFS_VFSINCL_ENV */
66 #include <sys/filsys.h>
70 #endif /* AFS_VFSINCL_ENV */
71 #endif /* AFS_OSF_ENV */
73 #ifdef AFS_VFSINCL_ENV
74 #include <sys/vnode.h>
76 #include <sys/fs/ufs_inode.h>
78 #if !defined(AFS_DARWIN_ENV)
79 #include <ufs/inode.h>
82 #else /* AFS_VFSINCL_ENV */
84 #include <ufs/inode.h>
85 #else /* AFS_OSF_ENV */
86 #include <sys/inode.h>
88 #endif /* AFS_VFSINCL_ENV */
89 #endif /* AFS_SGI_ENV */
90 #include <afs/osi_inode.h>
94 #include <afs/afsint.h>
96 #include <afs/afssyscalls.h>
97 #include "viceinode.h"
99 #if defined (AFS_AIX_ENV) || defined (AFS_HPUX_ENV)
102 #ifdef AFS_PTHREAD_ENV
104 #else /* AFS_PTHREAD_ENV */
105 #include <afs/assert.h>
106 #endif /* AFS_PTHREAD_ENV */
107 #if defined(AFS_HPUX101_ENV)
114 #include "volinodes.h"
115 #include "partition.h"
117 #include "volume_inline.h"
119 /*@+fcnmacros +macrofcndecl@*/
122 extern off64_t afs_lseek(int FD, off64_t O, int F);
123 #endif /*S_SPLINT_S */
124 #define afs_lseek(FD, O, F) lseek64(FD, (off64_t) (O), F)
125 #define afs_stat stat64
126 #define afs_fstat fstat64
127 #define afs_open open64
128 #define afs_fopen fopen64
129 #else /* !O_LARGEFILE */
131 extern off_t afs_lseek(int FD, off_t O, int F);
132 #endif /*S_SPLINT_S */
133 #define afs_lseek(FD, O, F) lseek(FD, (off_t) (O), F)
134 #define afs_stat stat
135 #define afs_fstat fstat
136 #define afs_open open
137 #define afs_fopen fopen
138 #endif /* !O_LARGEFILE */
139 /*@=fcnmacros =macrofcndecl@*/
141 /* Notice: parts of this module have been cribbed from vfsck.c */
144 static char *partition;
149 #include <jfs/filsys.h>
152 #define FSBSIZE (4096) /* filesystem block size */
153 #define FSBSHIFT (12) /* log2(FSBSIZE) */
154 #define FSBMASK (FSBSIZE - 1) /* FSBSIZE mask */
156 #define MIN_FSIZE DISKMAP_B /* minimum fs size (FSblocks) */
157 #define LAST_RSVD_I 15 /* last reserved inode */
162 * This will hopefully eventually make it into the system include files
164 #define INOPB (FSBSIZE / sizeof (struct dinode))
172 #endif /* AFS_AIX41_ENV */
175 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
176 XX This was lifted from some `com/cmd/fs/fshlpr_aix3/Fs.h', which indicated X
177 XX a longing to see it make it into a readily accessible include file. XXXXXX
178 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
180 * itoo - inode number to offset within disk block
183 #define itoo(x) (int) ((unsigned)(x) % INOPB)
185 int Bsize = FSBSIZE; /* block size for this system */
186 daddr_t fmax; /* total number of blocks n file system */
187 ino_t imax, inum; /* total number of I-nodes in file system */
189 static struct superblock fs;
190 struct dinode *ginode();
194 ListViceInodes(char *devname, char *mountedOn, FILE *inodeFile,
195 int (*judgeInode) (), afs_uint32 judgeParam, int *forcep, int forceR,
196 char *wpath, void *rock)
198 char dev[50], rdev[51];
201 struct ViceInodeInfo info;
202 struct stat root_inode;
203 int ninodes = 0, err = 0;
205 pfd = -1; /* initialize so we don't close on error output below. */
208 sleep(1); /* simulate operator */
214 partition = mountedOn;
215 sprintf(dev, "/dev/%s", devname);
216 sprintf(rdev, "/dev/r%s", devname);
218 if (stat(mountedOn, &root_inode) < 0) {
219 Log("cannot stat: %s\n", mountedOn);
223 if (root_inode.st_ino != ROOTDIR_I) {
224 Log("%s is not root of a filesystem\n", mountedOn);
230 * done with the superblock, now try to read the raw device.
232 if (ReadSuper(&fs, dev) < 0)
237 case FM_CLEAN: /* clean and unmounted */
238 Log("Most peculiar - Super blk in FM_CLEAN state!\n");
240 case FM_MOUNT: /* mounted cleanly */
243 case FM_MDIRTY: /* dirty when mounted or commit fail */
244 case FM_LOGREDO: /* log redo attempted but failed */
245 Log("File system %s is in a bad state.\n", rdev);
246 Log("Call your IBM representative.\n");
250 if (IsBigFilesFileSystem(&fs, (char *)0)) {
251 Log("%s is a big files filesystem, can't salvage.\n", mountedOn);
255 if (strncmp(fs.s_magic, fsv3magic, strlen(fsv3magic)) != 0) {
257 if ((strncmp(fs.s_magic, fsv3pmagic, strlen(fsv3pmagic)) != 0)
258 || (fs.s_version != fsv3pvers)) {
259 Log("Super block doesn't have the problem magic (%s vs v3magic %s v3pmagic %s)\n", fs.s_magic, fsv3magic, fsv3pmagic);
263 Log("Super block doesn't have the problem magic (%s vs v3magic %s)\n",
264 fs.s_magic, fsv3magic);
271 fragsize = (fs.s_fragsize) ? fs.s_fragsize : FSBSIZE;
272 iagsize = (fs.s_iagsize) ? fs.s_iagsize : fs.s_agsize;
273 ag512 = fragsize * fs.s_agsize / 512;
274 agblocks = fragsize * fs.s_agsize >> BSHIFT;
275 #endif /* AFS_AIX41_ENV */
277 fmax = fs.s_fsize / (FSBSIZE / 512); /* first invalid blk num */
279 pfd = afs_open(rdev, O_RDONLY);
281 Log("Unable to open `%s' inode for reading\n", rdev);
286 * calculate the maximum number of inodes possible
289 imax = iagsize * (fs.s_fsize / ag512) - 1;
290 #else /* AFS_AIX41_ENV */
292 ((fmax / fs.s_agsize +
293 ((fmax % fs.s_agsize) >= fs.s_agsize / INOPB ? 1 : 0))
295 #endif /* AFS_AIX41_ENV */
298 * check for "FORCESALVAGE" equivalent:
299 * LAST_RSVD_I is a vice inode, with dead beef, and
300 * di_nlink == 2 to indicate the FORCE.
302 assert(p = ginode(LAST_RSVD_I));
304 if (p->di_vicemagic == VICEMAGIC && p->di_vicep1 == 0xdeadbeef
305 && p->di_nlink == 2) {
307 idec(root_inode.st_dev, LAST_RSVD_I, 0xdeadbeef);
310 for (inum = LAST_RSVD_I + 1; inum <= imax; ++inum) {
311 if ((p = ginode(inum)) == NULL || p->di_vicemagic != VICEMAGIC
312 || (p->di_mode & IFMT) != IFREG)
315 info.inodeNumber = inum;
316 info.byteCount = p->di_size;
317 info.linkCount = p->di_nlink;
318 info.u.param[0] = p->di_vicep1;
319 info.u.param[1] = p->di_vicep2;
320 info.u.param[2] = p->di_vicep3;
321 info.u.param[3] = p->di_vicep4;
323 if (judgeInode && (*judgeInode) (&info, judgeParam, rock) == 0)
327 if (fwrite(&info, sizeof info, 1, inodeFile) != 1) {
328 Log("Error writing inode file for partition %s\n", partition);
336 if (fflush(inodeFile) == EOF) {
337 Log("Unable to successfully flush inode file for %s\n", partition);
341 if (fsync(fileno(inodeFile)) == -1) {
342 Log("Unable to successfully fsync inode file for %s\n", partition);
348 * Paranoia: check that the file is really the right size
350 if (fstat(fileno(inodeFile), &status) == -1) {
351 Log("Unable to successfully stat inode file for %s\n", partition);
355 if (status.st_size != ninodes * sizeof(struct ViceInodeInfo)) {
356 Log("Wrong size (%d instead of %d) in inode file for %s\n",
357 status.st_size, ninodes * sizeof(struct ViceInodeInfo),
375 /* Read in the superblock for devName */
377 ReadSuper(struct superblock *fs, char *devName)
381 pfd = afs_open(devName, O_RDONLY);
383 Log("Unable to open inode on %s for reading superblock.\n", devName);
387 if (bread(pfd, fs, SUPER_B, sizeof(struct superblock)) < 0) {
388 Log("Unable to read superblock on %s.\n", devName);
396 /* IsBigFilesFileSystem returns 1 if it's a big files filesystem, 0 otherwise. */
398 IsBigFilesFileSystem(struct superblock *sb)
400 if ((strncmp(sb->s_magic, fsv3pmagic, 4) == 0)
401 && (sb->s_version == fsbigfile)
415 static char buf[FSBSIZE];
416 static daddr_t last_blk = -1;
422 0) ? INODES_B + inum / INOPB : ag * agblocks + (inum -
425 #else /* AFS_AIX41_ENV */
426 ag = inum / fs.s_agsize;
429 0) ? INODES_B + inum / INOPB : ag * fs.s_agsize + (inum -
433 #endif /* AFS_AIX41_ENV */
435 if (last_blk != pblk) {
436 if (bread(pfd, buf, pblk, sizeof(buf)) < 0) {
443 dp = (struct dinode *)buf;
448 #else /* !AFS_AIX31_ENV */
450 #if defined(AFS_SGI_ENV)
452 /* libefs.h includes <assert.h>, which we don't want */
455 #ifdef AFS_SGI_XFS_IOPS_ENV
457 #include <afs/xfsattrs.h>
458 /* xfs_ListViceInodes
460 * xfs_ListViceInodes verifies and correct the XFS namespace as it collects
461 * the inode information. The name is required for the idec operation to work.
462 * Steps 2 and 3 below are for the AFS_XFS_NAME_VERS == 1. If the name space
463 * changes, the algorithm will need to change.
464 * 1) If the parent inode number does not match the directory's inod number,
465 * change it in the attribute.
466 * 2) If the unqifier in the attribute does not match the name, rename the
467 * file. This is done by doing an exclusive open, incrementing the tag
468 * number until a file can be created. If the tag changes, then the
469 * attribute will need updating.
470 * 3) If the tag in the attribute does not match the name, change the
472 * 4) Verify uid = RW volume id and gid = XFS_VICEMAGIC.
478 * Does the verifications listed above.
479 * We can't change the names until the readdir is complete, so we set the
480 * rename flag if the file needs renaming.
483 xfs_VerifyInode(char *dir, uint64_t pino, char *name, i_list_inode_t * info,
490 int update_chown = 0;
497 (void)sprintf(path, "%s/%s", dir, name);
498 /* Verify uid and gid fields */
499 if (info->ili_magic != XFS_VICEMAGIC) {
500 Log("%s magic for %s/%s (inode %s) from %d to %d\n",
501 Testing ? "Would have changed" : "Changing", dir, name,
502 PrintInode(NULL, info->ili_info.inodeNumber), info->ili_magic,
508 vno = info->ili_info.param[0];
509 if (info->ili_vno != AFS_XFS_VNO_CLIP(vno)) {
510 Log("%s volume id for %s/%s (inode %s) from %d to %d\n",
511 Testing ? "Would have changed" : "Changing", dir, name,
512 PrintInode(NULL, info->ili_info.inodeNumber), info->ili_vno,
513 AFS_XFS_VNO_CLIP(vno));
519 if (chown(path, AFS_XFS_VNO_CLIP(vno), XFS_VICEMAGIC) < 0) {
520 Log("Can't chown %s to uid=%d, gid=0x%x\n", path,
521 AFS_XFS_VNO_CLIP(vno), XFS_VICEMAGIC);
526 /* Check Parent inode number. */
527 if (info->ili_pino != pino) {
528 afs_ino_str_t sino, sipino, spino;
529 (void)PrintInode(sino, info->ili_info.inodeNumber);
530 (void)PrintInode(sipino, info->ili_pino);
531 (void)PrintInode(spino, pino);
532 Log("%s parent ino for %s (inode %s) from %s to %s.\n",
533 Testing ? "Would have changed" : "Changing", path, sino, sipino,
539 /* Verify the file name. */
540 (void)strcpy(tmpName, ".");
541 (void)strcat(tmpName, int_to_base64(stmp, info->ili_info.param[2]));
542 if (strncmp(name, tmpName, strlen(tmpName))) {
543 Log("%s name %s (inode %s) in directory %s, unique=%d, tag=%d\n",
544 Testing ? "Would have returned bad" : "Bad", name,
545 PrintInode(NULL, info->ili_info.inodeNumber), dir,
546 info->ili_info.param[2], info->ili_tag);
552 /* update the tag? */
553 (void)strcat(tmpName, ".");
554 (void)strcat(tmpName, int_to_base64(stmp, info->ili_tag));
555 if (strcmp(name, tmpName)) {
557 (void)strcpy(tmpName, name);
558 p = strchr(tmpName + 1, '.');
560 Log("No tag found on name %s (inode %s)in directory, %s.\n",
561 name, PrintInode(NULL, info->ili_info.inodeNumber), dir,
562 Testing ? "would have renamed" : "will rename");
566 tag = base64_to_int(p + 1);
567 Log("%s the tag for %s (inode %s) from %d to %d.\n",
568 Testing ? "Would have changed" : "Will change", path,
569 PrintInode(NULL, info->ili_info.inodeNumber), dir, tag,
577 if (update_pino || update_tag) {
578 afs_xfs_attr_t attrs;
581 length = SIZEOF_XFS_ATTR_T;
582 if (attr_get(path, AFS_XFS_ATTR, (char *)&attrs, &length, ATTR_ROOT) <
584 Log("Can't get AFS attribute for %s\n", path);
588 attrs.at_pino = pino;
592 (path, AFS_XFS_ATTR, (char *)&attrs, length,
593 ATTR_ROOT | ATTR_REPLACE) < 0) {
594 Log("Can't set AFS attribute into %s\n", path);
608 xfs_RenameFiles(char *dir, xfs_Rename_t * renames, int n_renames)
611 char opath[128], nbase[128], npath[128];
612 afs_xfs_attr_t attrs;
613 int length = SIZEOF_XFS_ATTR_T;
618 for (i = 0; i < n_renames; i++) {
619 (void)sprintf(opath, "%s/%s", dir, renames[i].name);
620 (void)sprintf(nbase, "%s/.%s", dir,
621 int_to_base64(stmp, renames[i].uniq));
622 for (tag = 2, j = 0; j < 64; tag++, j++) {
623 (void)sprintf(npath, "%s.%s", nbase, int_to_base64(stmp, tag));
624 fd = afs_open(npath, O_CREAT | O_EXCL | O_RDWR, 0);
631 Log("Can't find a new name for %s\n", opath);
634 if (rename(opath, npath) < 0) {
635 Log("Can't rename %s to %s\n", opath, npath);
638 Log("Renamed %s to %s\n", opath, npath);
645 xfs_ListViceInodes(char *devname, char *mountedOn, FILE *inodeFile,
646 int (*judgeInode) (), afs_uint32 judgeParam, int *forcep,
647 int forceR, char *wpath, void *rock)
650 int info_size = sizeof(i_list_inode_t);
653 dirent64_t *top_direntp;
655 dirent64_t *vol_direntp;
656 struct stat64 sdirbuf;
657 struct stat64 sfilebuf;
658 afs_xfs_attr_t attrs;
659 afs_xfs_dattr_t dattrs;
661 char vol_dirname[1024];
664 xfs_Rename_t *renames = (xfs_Rename_t *) 0;
666 #define N_RENAME_STEP 64
675 if (stat64(mountedOn, &sdirbuf) < 0) {
676 perror("xfs_ListViceInodes: stat64");
680 if ((top_dirp = opendir(mountedOn)) == NULL) {
681 Log("Can't open directory %s to read inodes.\n", mountedOn);
685 while (top_direntp = readdir64(top_dirp)) {
686 /* Only descend directories with the AFSDIR attribute set.
687 * Could also verify the contents of the atribute, but currently
689 * Performance could be improved for single volume salvages by
690 * only going through the directory containing the volume's inodes.
691 * But I'm being complete as a first pass.
693 (void)sprintf(vol_dirname, "%s/%s", mountedOn, top_direntp->d_name);
694 length = SIZEOF_XFS_DATTR_T;
696 (vol_dirname, AFS_XFS_DATTR, (char *)&dattrs, &length, ATTR_ROOT))
699 if ((vol_dirp = opendir(vol_dirname)) == NULL) {
700 if (errno == ENOTDIR)
702 Log("Can't open directory %s to read inodes.\n", vol_dirname);
706 pino = top_direntp->d_ino;
708 while (vol_direntp = readdir64(vol_dirp)) {
709 if (vol_direntp->d_name[1] == '\0'
710 || vol_direntp->d_name[1] == '.')
713 info.ili_version = AFS_XFS_ILI_VERSION;
714 info_size = sizeof(i_list_inode_t);
716 ilistinode64(sdirbuf.st_dev, vol_direntp->d_ino, &info,
719 /* Where possible, give more explicit messages. */
723 Log("%s (device id %d) is not on an XFS filesystem.\n",
724 vol_dirname, sdirbuf.st_dev);
729 if (info_size != sizeof(i_list_inode_t)
730 || info.ili_version != AFS_XFS_ILI_VERSION) {
731 Log("Version skew between kernel and salvager.\n");
736 /* Continue, so we collect all the errors in the first pass. */
737 Log("Error listing inode named %s/%s: %s\n", vol_dirname,
738 vol_direntp->d_name, strerror(errno));
743 if (info.ili_attr_version != AFS_XFS_ATTR_VERS) {
744 Log("Unrecognized XFS attribute version %d in %s/%s. Upgrade salvager\n", info.ili_attr_version, vol_dirname, vol_direntp->d_name);
748 if (judgeInode && (*judgeInode) (&info.ili_info, judgeParam, rock) == 0)
753 (vol_dirname, pino, vol_direntp->d_name, &info,
759 /* Add this name to the list of items to rename. */
760 if (n_renames >= n_avail) {
761 n_avail += N_RENAME_STEP;
762 if (n_avail == N_RENAME_STEP)
763 renames = (xfs_Rename_t *)
764 malloc(n_avail * sizeof(xfs_Rename_t));
766 renames = (xfs_Rename_t *)
767 realloc((char *)renames,
768 n_avail * sizeof(xfs_Rename_t));
770 Log("Can't %salloc %lu bytes for rename list.\n",
771 (n_avail == N_RENAME_STEP) ? "m" : "re",
772 n_avail * sizeof(xfs_Rename_t));
776 (void)strcpy(renames[n_renames].name, vol_direntp->d_name);
777 renames[n_renames].uniq = info.ili_info.param[2];
783 (&info.ili_info, sizeof(vice_inode_info_t), 1, inodeFile)
785 Log("Error writing inode file for partition %s\n", mountedOn);
791 } /* end while vol_direntp */
794 vol_dirp = (DIR *) 0;
796 Log("Renaming files.\n");
797 if (xfs_RenameFiles(vol_dirname, renames, n_renames) < 0) {
805 free((char *)renames);
807 if (fflush(inodeFile) == EOF) {
808 ("Unable to successfully flush inode file for %s\n", mountedOn);
809 return errors ? -1 : -2;
811 if (fsync(fileno(inodeFile)) == -1) {
812 Log("Unable to successfully fsync inode file for %s\n", mountedOn);
813 return errors ? -1 : -2;
816 * Paranoia: check that the file is really the right size
818 if (fstat(fileno(inodeFile), &status) == -1) {
819 Log("Unable to successfully stat inode file for %s\n", partition);
820 return errors ? -1 : -2;
822 if (status.st_size != ninodes * sizeof(struct ViceInodeInfo)) {
823 Log("Wrong size (%d instead of %d) in inode file for %s\n",
824 status.st_size, ninodes * sizeof(struct ViceInodeInfo),
826 return errors ? -1 : -2;
831 Log("Errors encontered listing inodes, not salvaging partition.\n");
843 free((char *)renames);
850 ListViceInodes(char *devname, char *mountedOn, FILE *inodeFile,
851 int (*judgeInode) (), afs_uint32 judgeParam, int *forcep, int forceR,
852 char *wpath, void *rock)
854 char dev[50], rdev[51];
856 struct efs_dinode *p;
857 struct ViceInodeInfo info;
858 struct stat root_inode;
859 int ninodes = 0, err = 0;
860 struct efs_dinode *dinodeBuf = NULL;
862 ino_t imax, inum; /* total number of I-nodes in file system */
866 sleep(1); /* simulate operator */
872 if (stat(mountedOn, &root_inode) < 0) {
873 Log("cannot stat: %s\n", mountedOn);
876 #ifdef AFS_SGI_XFS_IOPS_ENV
877 if (!strcmp("xfs", root_inode.st_fstype)) {
878 return xfs_ListViceInodes(devname, mountedOn, inodeFile, judgeInode,
879 judgeParam, forcep, forceR, wpath, rock);
883 Log("%s is not root of a filesystem\n", mountedOn);
888 #else /* AFS_SGI_ENV */
891 #define SPERB (MAXBSIZE / sizeof(short))
892 #define MAXNINDIR (MAXBSIZE / sizeof(daddr_t))
895 struct bufarea *b_next; /* must be first */
899 char b_buf[MAXBSIZE]; /* buffer space */
900 short b_lnks[SPERB]; /* link counts */
901 daddr_t b_indir[MAXNINDIR]; /* indirect block */
902 struct fs b_fs; /* super block */
903 struct cg b_cg; /* cylinder group */
907 typedef struct bufarea BUFAREA;
910 #define sblock sblk.b_un.b_fs
911 #endif /* AFS_HPUX_ENV */
913 extern char *afs_rawname();
915 ListViceInodes(char *devname, char *mountedOn, FILE *inodeFile,
916 int (*judgeInode) (), afs_uint32 judgeParam, int *forcep, int forceR,
917 char *wpath, void *rock)
923 #else /* !AFS_AIX_ENV */
928 int i, c, e, bufsize, code, err = 0;
929 char dev[50], rdev[100], err1[512], *ptr1;
930 struct dinode *inodes = NULL, *einodes, *dptr;
934 struct ViceInodeInfo info;
937 partition = mountedOn;
938 sprintf(rdev, "%s/%s", wpath, devname);
939 ptr1 = afs_rawname(rdev);
943 /* Bletch: this is terrible; is there a better way to do this? Does this work? vfsck doesn't even sleep!! */
945 sleep(5); /* Trying a smaller one for aix */
950 pfd = afs_open(rdev, O_RDONLY);
952 sprintf(err1, "Could not open device %s to get inode list\n", rdev);
957 if (bread(pfd, (char *)&super.fs, SUPERB, sizeof super.fs) == -1) {
960 if (bread(pfd, (char *)&sblock, SBLOCK, SBSIZE) == -1) {
962 if (bread(pfd, super.block, SBLOCK, SBSIZE) == -1) {
963 #endif /* AFS_HPUX_ENV */
965 Log("Unable to read superblock, partition %s\n", partition);
971 * char *FSlabel(), *fslabel=0;
972 * fslabel = FSlabel(&super.fs);
974 if (super.fs.s_bsize == 0)
975 super.fs.s_bsize = 512;
976 if (super.fs.s_bsize != BSIZE) {
977 Log("SuperBlk: Cluster size not %d; run vfsck\n", BSIZE);
980 fmax = super.fs.s_fsize; /* first invalid blk num */
981 imax = ((ino_t) super.fs.s_isize - (SUPERB + 1)) * INOPB;
983 Log("Size check: imax==0!\n");
986 if (GetAuxInodeFile(partition, &status) == 0) {
987 Log("Can't access Aux inode file for partition %s, aborting\n",
991 for (inum = 1; inum <= imax; inum++) {
992 struct dauxinode *auxp;
993 if ((auxp = IsAfsInode(inum)) == NULL) {
994 /* Not an afs inode, keep going */
997 if ((p = ginode(inum)) == NULL)
999 /* deleted/non-existent inode when di_mode == 0 */
1002 info.inodeNumber = (int)inum;
1003 info.byteCount = p->di_size;
1004 info.linkCount = p->di_nlink;
1005 info.u.param[0] = auxp->aux_param1;
1006 info.u.param[1] = auxp->aux_param2;
1007 info.u.param[2] = auxp->aux_param3;
1008 info.u.param[3] = auxp->aux_param4;
1009 if (judgeInode && (*judgeInode) (&info, judgeParam, rock) == 0)
1012 if (fwrite(&info, sizeof info, 1, inodeFile) != 1) {
1013 Log("Error writing inode file for partition %s\n", partition);
1021 * run a few consistency checks of the superblock
1022 * (Cribbed from vfsck)
1025 #if defined(FD_FSMAGIC)
1026 if ((sblock.fs_magic != FS_MAGIC) && (sblock.fs_magic != FS_MAGIC_LFN)
1027 && (sblock.fs_magic != FD_FSMAGIC)
1028 #if defined(AFS_HPUX101_ENV)
1029 && (sblock.fs_magic != FD_FSMAGIC_2)
1033 if ((sblock.fs_magic != FS_MAGIC) && (sblock.fs_magic != FS_MAGIC_LFN)) {
1035 Log("There's something wrong with the superblock for partition %s; bad magic (%d) run vfsck\n", partition, sblock.fs_magic);
1038 if (sblock.fs_ncg < 1) {
1039 Log("There's something wrong with the superblock for partition %s; NCG OUT OF RANGE (%d) run vfsck\n", partition, sblock.fs_ncg);
1042 if (sblock.fs_cpg < 1 || sblock.fs_cpg > MAXCPG) {
1043 Log("There's something wrong with the superblock for partition %s; CPG OUT OF RANGE (%d) run vfsck\n", partition, sblock.fs_cpg);
1046 if (sblock.fs_ncg * sblock.fs_cpg < sblock.fs_ncyl
1047 || (sblock.fs_ncg - 1) * sblock.fs_cpg >= sblock.fs_ncyl) {
1048 Log("There's something wrong with the superblock for partition %s; NCYL LESS THAN NCG*CPG run vfsck\n", partition);
1051 if (sblock.fs_sbsize > SBSIZE) {
1052 Log("There's something wrong with the superblock for partition %s; bsize too large (%d vs. %d) run vfsck\n", partition, sblock.fs_sbsize, sblock.fs_bsize);
1056 if ((super.fs.fs_magic != FS_MAGIC)
1057 || (super.fs.fs_ncg < 1)
1058 #if defined(AFS_SUN_ENV) || defined(AFS_OSF_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
1059 || (super.fs.fs_cpg < 1)
1061 || (super.fs.fs_cpg < 1 || super.fs.fs_cpg > MAXCPG)
1063 || (super.fs.fs_ncg * super.fs.fs_cpg < super.fs.fs_ncyl
1064 || (super.fs.fs_ncg - 1) * super.fs.fs_cpg >= super.fs.fs_ncyl)
1065 || (super.fs.fs_sbsize > SBSIZE)) {
1066 Log("There's something wrong with the superblock for partition %s; run vfsck\n", partition);
1069 #endif /* AFS_HPUX_ENV */
1072 bufsize = sblock.fs_ipg * sizeof(struct dinode);
1074 bufsize = super.fs.fs_ipg * sizeof(struct dinode);
1075 #endif /* AFS_HPUX_ENV */
1076 inodes = (struct dinode *)malloc(bufsize);
1077 einodes = (struct dinode *)(((char *)inodes) + bufsize);
1078 if (inodes == NULL) {
1079 Log("Unable to allocate enough memory to scan inodes; help!\n");
1082 Log("Scanning inodes on device %s...\n", rdev);
1084 for (c = 0; c < sblock.fs_ncg; c++) {
1085 i = c * sblock.fs_ipg;
1086 e = i + sblock.fs_ipg;
1087 #if defined(AFS_HPUX102_ENV)
1088 if (afs_lseek(pfd, dbtoo(fsbtodb(&sblock, itod(&sblock, i))), L_SET) ==
1091 if (afs_lseek(pfd, dbtob(fsbtodb(&sblock, itod(&sblock, i))), L_SET) ==
1095 for (c = 0; c < super.fs.fs_ncg; c++) {
1097 #if defined(AFS_SUN5_ENV) || defined(AFS_DARWIN_ENV)
1099 #if defined(AFS_DARWIN_ENV)
1100 #define offset_t off_t
1101 #define llseek lseek
1104 #endif /* AFS_SUN5_ENV */
1105 i = c * super.fs.fs_ipg;
1106 e = i + super.fs.fs_ipg;
1108 dblk1 = fsbtodb(&super.fs, itod(&super.fs, i));
1109 if (afs_lseek(pfd, (off_t) ((off_t) dblk1 * DEV_BSIZE), L_SET) == -1) {
1111 #if defined(AFS_SUN5_ENV) || defined(AFS_DARWIN_ENV)
1112 f1 = fsbtodb(&super.fs, itod(&super.fs, i));
1113 off = (offset_t) f1 << DEV_BSHIFT;
1114 if (llseek(pfd, off, L_SET) == -1) {
1116 if (afs_lseek(pfd, dbtob(fsbtodb(&super.fs, itod(&super.fs, i))), L_SET)
1118 #endif /* AFS_SUN5_ENV */
1119 #endif /* AFS_OSF_ENV */
1120 #endif /* AFS_HPUX_ENV */
1121 Log("Error reading inodes for partition %s; run vfsck\n",
1127 if (read(pfd, inodes, bufsize) != bufsize) {
1128 Log("Error reading inodes for partition %s; run vfsck\n",
1133 register int bj, bk;
1135 for (bj = bk = 0; bj < bufsize; bj = bj + 512, bk++) {
1136 if ((code = read(pfd, dptr, 512)) != 512) {
1137 Log("Error reading inode %d? for partition %s (errno = %d); run vfsck\n", bk + i, partition, errno);
1138 if (afs_lseek(pfd, 512, L_SET) == -1) {
1139 Log("Lseek failed\n");
1154 for (p = inodes; p < einodes && i < e; i++, p++) {
1156 Log("Ino=%d, v1=%x, v2=%x, v3=%x, mode=%x size=%d, lcnt=%d\n",
1157 i, p->di_vicep1, p->di_vicep2, p->di_vicep3, p->di_mode,
1158 p->di_size, p->di_nlink);
1160 ("Ino=%d, v1=%x, v2=%x, v3=%x, mode=%x size=%d, lcnt=%d\n",
1161 i, p->di_vicep1, p->di_vicep2, p->di_vicep3, p->di_mode,
1162 p->di_size, p->di_nlink);
1165 #ifdef AFS_3DISPARES
1166 /* Check to see if this inode is a pre-"OSF1 4.0D" inode */
1167 if ((p->di_uid || p->di_gid)
1168 && !(p->di_flags & (IC_XUID | IC_XGID))) {
1169 Log("Found unconverted inode %d: Use 'fs_conv_dux40D convert' on partition %s\n", i, partition);
1173 assert(0); /* define AFS_3DISPARES in param.h */
1176 #if defined(AFS_SUN56_ENV)
1177 /* if this is a pre-sol2.6 unconverted inode, bail out */
1179 afs_uint32 p1, p2, p3, p4;
1183 q = (quad *) & (p->di_ic.ic_lsize);
1185 p2 = p->di_ic.ic_flags;
1187 p4 = p->di_ic.ic_uid;
1188 p5 = p->di_ic.ic_gid;
1190 if ((p2 || p3) && !p4 && (p5 == -2)) {
1191 Log("Found unconverted inode %d\n", i);
1192 Log("You should run the AFS file conversion utility\n");
1197 if (IS_DVICEMAGIC(p) && (p->di_mode & IFMT) == IFREG) {
1198 afs_uint32 p2 = p->di_vicep2, p3 = DI_VICEP3(p);
1200 info.u.param[0] = p->di_vicep1;
1201 #ifdef AFS_3DISPARES
1202 if (((p2 >> 3) == INODESPECIAL) && (p2 & 0x3)) {
1203 info.u.param[1] = INODESPECIAL;
1204 info.u.param[2] = p3;
1205 info.u.param[3] = p2 & 0x3;
1207 info.u.param[1] = ((p2 >> 27) << 16) + (p3 & 0xffff);
1208 info.u.param[2] = (p2 & 0x3fffff);
1210 (((p2 >> 22) & 0x1f) << 16) + (p3 >> 16);
1213 info.u.param[1] = p->di_vicep2;
1214 info.u.param[2] = DI_VICEP3(p);
1215 info.u.param[3] = p->di_vicep4;
1217 info.inodeNumber = i;
1218 info.byteCount = p->di_size;
1219 info.linkCount = p->di_nlink;
1220 if (judgeInode && (*judgeInode) (&info, judgeParam, rock) == 0)
1223 if (fwrite(&info, sizeof info, 1, inodeFile) != 1) {
1224 Log("Error writing inode file for partition %s\n",
1238 if (fflush(inodeFile) == EOF) {
1239 Log("Unable to successfully flush inode file for %s\n", partition);
1243 if (fsync(fileno(inodeFile)) == -1) {
1244 Log("Unable to successfully fsync inode file for %s\n", partition);
1250 * Paranoia: check that the file is really the right size
1252 if (fstat(fileno(inodeFile), &status) == -1) {
1253 Log("Unable to successfully stat inode file for %s\n", partition);
1257 if (status.st_size != ninodes * sizeof(struct ViceInodeInfo)) {
1258 Log("Wrong size (%d instead of %d) in inode file for %s\n",
1259 status.st_size, ninodes * sizeof(struct ViceInodeInfo),
1276 #endif /* !AFS_SGI_ENV */
1277 #endif /* !AFS_AIX31_ENV */
1279 #ifdef AFS_DARWIN_ENV
1281 #define dbtob(db) ((unsigned)(db) << DEV_BSHIFT)
1285 bread(int fd, char *buf, daddr_t blk, afs_int32 size)
1288 #ifdef AFS_AIX41_ENV
1289 offset_t off = (offset_t) blk << FSBSHIFT;
1290 if (llseek(fd, off, 0) < 0) {
1291 Log("Unable to seek to offset %llu for block %u\n", off, blk);
1294 #else /* AFS_AIX41_ENV */
1295 if (afs_lseek(fd, blk * Bsize, 0) < 0) {
1296 Log("Unable to seek to offset %u for block %u\n", blk * Bsize, blk);
1298 #endif /* AFS_AIX41_ENV */
1300 if (afs_lseek(fd, (off_t) dbtob(blk), L_SET) < 0) {
1301 Log("Unable to seek to offset %u for block %u\n", dbtob(blk), blk);
1304 if (read(fd, buf, size) != size) {
1305 Log("Unable to read block %d, partition %s\n", blk, partition);
1311 #endif /* AFS_LINUX20_ENV */
1313 convertVolumeInfo(int fdr, int fdw, afs_uint32 vid)
1315 struct VolumeDiskData vd;
1318 if (read(fdr, &vd, sizeof(struct VolumeDiskData)) !=
1319 sizeof(struct VolumeDiskData)) {
1320 Log("1 convertiVolumeInfo: read failed for %lu with code %d\n", vid,
1324 vd.restoredFromId = vd.id; /* remember the RO volume here */
1326 vd.id = vd.parentId;
1330 vd.uniquifier += 5000; /* just in case there are still file copies
1331 from the old RW volume around */
1333 p = strrchr(vd.name, '.');
1334 if (p && !strcmp(p, ".readonly")) {
1338 if (write(fdw, &vd, sizeof(struct VolumeDiskData)) !=
1339 sizeof(struct VolumeDiskData)) {
1340 Log("1 convertiVolumeInfo: write failed for %lu with code %d\n", vid,
1348 afs_int32 inodeType;
1355 UpdateThisVolume(struct ViceInodeInfo *inodeinfo, VolumeId singleVolumeNumber,
1356 struct specino *specinos)
1359 if ((inodeinfo->u.vnode.vnodeNumber == INODESPECIAL) &&
1360 (inodeinfo->u.vnode.volumeId == singleVolumeNumber)) {
1361 specinos[inodeinfo->u.special.type].inodeNumber =
1362 inodeinfo->inodeNumber;
1364 return 0; /* We aren't using a result file, we're caching */
1368 getDevName(char *pbuffer, char *wpath)
1370 char pbuf[128], *ptr;
1371 strcpy(pbuf, pbuffer);
1372 ptr = (char *)strrchr(pbuf, '/');
1375 strcpy(wpath, pbuf);
1378 ptr = (char *)strrchr(pbuffer, '/');
1380 strcpy(pbuffer, ptr + 1);
1386 #ifdef FSSYNC_BUILD_CLIENT
1388 inode_ConvertROtoRWvolume(char *pname, afs_uint32 volumeId)
1390 char dir_name[512], oldpath[512], newpath[512];
1392 char headername[16];
1394 int fd, err, forcep, j;
1395 ssize_t len, nBytes;
1397 struct DiskPartition64 *partP;
1398 struct ViceInodeInfo info;
1399 struct VolumeDiskHeader h;
1400 IHandle_t *ih, *ih2;
1401 FdHandle_t *fdP, *fdP2;
1403 char tmpDevName[100];
1405 struct specino specinos[VI_LINKTABLE+1];
1406 Inode nearInode = 0;
1407 # ifdef AFS_DEMAND_ATTACH_FS
1409 # endif /* AFS_DEMAND_ATTACH_FS */
1412 memset(&specinos, 0, sizeof(specinos));
1414 /* now do the work */
1416 for (partP = DiskPartitionList; partP && strcmp(partP->name, pname);
1417 partP = partP->next);
1419 Log("1 inode_ConvertROtoRWvolume: Couldn't find DiskPartition for %s\n", pname);
1424 #ifdef AFS_DEMAND_ATTACH_FS
1425 locktype = VVolLockType(V_VOLUPD, 1);
1426 code = VLockVolumeByIdNB(volumeId, partP, locktype);
1434 if (VReadVolumeDiskHeader(volumeId, partP, &h)) {
1435 Log("1 inode_ConvertROtoRWvolume: Couldn't read header for RO-volume %lu.\n",
1436 afs_printable_uint32_lu(volumeId));
1440 FSYNC_VolOp(volumeId, pname, FSYNC_VOL_BREAKCBKS, 0, NULL);
1442 strcpy(tmpDevName, partP->devName);
1443 name = getDevName(tmpDevName, wpath);
1445 if ((err = ListViceInodes(name, VPartitionPath(partP),
1446 NULL, UpdateThisVolume, volumeId,
1447 &forcep, 0, wpath, &specinos)) < 0)
1449 Log("1 inode_ConvertROtoRWvolume: Couldn't get special inodes\n");
1454 #if defined(NEARINODE_HINT)
1455 nearInodeHash(volumeId, nearInode);
1456 nearInode %= partP->f_files;
1459 for (j = VI_VOLINFO; j < VI_LINKTABLE+1; j++) {
1460 if (specinos[j].inodeNumber > 0) {
1461 specinos[j].ninodeNumber =
1462 IH_CREATE(NULL, partP->device, VPartitionPath(partP),
1463 nearInode, h.parent, INODESPECIAL, j, h.parent);
1464 IH_INIT(ih, partP->device, volumeId,
1465 specinos[j].inodeNumber);
1468 Log("1 inode_ConvertROtoRWvolume: Couldn't find special inode %d for %d\n", j, volumeId);
1473 IH_INIT(ih2, partP->device, h.parent, specinos[j].ninodeNumber);
1474 fdP2 = IH_OPEN(ih2);
1476 Log("1 inode_ConvertROtoRWvolume: Couldn't find special inode %d for %d\n", j, h.parent);
1481 if (j == VI_VOLINFO)
1482 convertVolumeInfo(fdP->fd_fd, fdP2->fd_fd, ih2->ih_vid);
1485 len = read(fdP->fd_fd, buffer, sizeof(buffer));
1490 nBytes = write(fdP2->fd_fd, buffer, len);
1491 if (nBytes != len) {
1501 /* Unlink the old special inode; otherwise we will get duplicate
1502 * special inodes if we recreate the RO again */
1503 if (IH_DEC(ih, specinos[j].inodeNumber, volumeId) == -1) {
1504 Log("IH_DEC failed: %x, %s, %u errno %d\n", ih,
1505 PrintInode(NULL, specinos[j].inodeNumber), volumeId, errno);
1514 #ifdef AFS_64BIT_IOPS_ENV
1515 h.volumeInfo_lo = (afs_int32)specinos[VI_VOLINFO].ninodeNumber & 0xffffffff;
1516 h.volumeInfo_hi = (afs_int32)(specinos[VI_VOLINFO].ninodeNumber >> 32) && 0xffffffff;
1517 h.smallVnodeIndex_lo = (afs_int32)specinos[VI_SMALLINDEX].ninodeNumber & 0xffffffff;
1518 h.smallVnodeIndex_hi = (afs_int32)(specinos[VI_SMALLINDEX].ninodeNumber >> 32) & 0xffffffff;
1519 h.largeVnodeIndex_lo = (afs_int32)specinos[VI_LARGEINDEX].ninodeNumber & 0xffffffff;
1520 h.largeVnodeIndex_hi = (afs_int32)(specinos[VI_LARGEINDEX].ninodeNumber >> 32) & 0xffffffff;
1521 if (specinos[VI_LINKTABLE].ninodeNumber) {
1522 h.linkTable_lo = (afs_int32)specinos[VI_LINKTABLE].ninodeNumber & 0xffffffff;
1523 h.linkTable_hi = (afs_int32)specinos[VI_LINKTABLE].ninodeNumber & 0xffffffff;
1526 h.volumeInfo_lo = specinos[VI_VOLINFO].ninodeNumber;
1527 h.smallVnodeIndex_lo = specinos[VI_SMALLINDEX].ninodeNumber;
1528 h.largeVnodeIndex_lo = specinos[VI_LARGEINDEX].ninodeNumber;
1529 if (specinos[VI_LINKTABLE].ninodeNumber) {
1530 h.linkTable_lo = specinos[VI_LINKTABLE].ninodeNumber;
1534 if (VCreateVolumeDiskHeader(&h, partP)) {
1535 Log("1 inode_ConvertROtoRWvolume: Couldn't write header for RW-volume %lu\n",
1536 afs_printable_uint32_lu(h.id));
1541 if (VDestroyVolumeDiskHeader(partP, volumeId, h.parent)) {
1542 Log("1 inode_ConvertROtoRWvolume: Couldn't unlink header for RO-volume %lu\n",
1543 afs_printable_uint32_lu(volumeId));
1546 FSYNC_VolOp(volumeId, pname, FSYNC_VOL_DONE, 0, NULL);
1547 FSYNC_VolOp(h.id, pname, FSYNC_VOL_ON, 0, NULL);
1550 # ifdef AFS_DEMAND_ATTACH_FS
1552 VUnlockVolumeById(volumeId, partP);
1554 # endif /* AFS_DEMAND_ATTACH_FS */
1557 #endif /* FSSYNC_BUILD_CLIENT */
1558 #endif /* AFS_NAMEI_ENV */