2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 #include "ext4_utils.h"
17 #include "make_ext4fs.h"
18 #include "ext4_extents.h"
20 #include "ext4fixup.h"
22 #include <sparse/sparse.h>
24 #include <sys/types.h>
26 #include <sys/types.h>
34 #if defined(__APPLE__) && defined(__MACH__)
39 /* The inode block count for a file/directory is in units of 512 byte blocks,
40 * _NOT_ the filesystem block size!
42 #define INODE_BLOCK_SIZE 512
44 #define MAX_EXT4_BLOCK_SIZE 4096
46 /* The two modes the recurse_dir() can be in */
47 #define SANITY_CHECK_PASS 1
48 #define MARK_INODE_NUMS 2
49 #define UPDATE_INODE_NUMS 3
51 /* Magic numbers to indicate what state the update process is in */
52 #define MAGIC_STATE_MARKING_INUMS 0x7000151515565512ll
53 #define MAGIC_STATE_UPDATING_INUMS 0x6121131211735123ll
54 #define MAGIC_STATE_UPDATING_SB 0x15e1715151558477ll
56 /* Internal state variables corresponding to the magic numbers */
58 #define STATE_MARKING_INUMS 1
59 #define STATE_UPDATING_INUMS 2
60 #define STATE_UPDATING_SB 3
62 /* Used for automated testing of this programs ability to stop and be restarted wthout error */
63 static int bail_phase
= 0;
64 static int bail_loc
= 0;
65 static int bail_count
= 0;
69 static int verbose
= 0;
70 static int no_write
= 0;
72 static int new_inodes_per_group
= 0;
74 static int no_write_fixup_state
= 0;
76 static int compute_new_inum(unsigned int old_inum
)
78 unsigned int group
, offset
;
80 group
= (old_inum
- 1) / info
.inodes_per_group
;
81 offset
= (old_inum
-1) % info
.inodes_per_group
;
83 return (group
* new_inodes_per_group
) + offset
+ 1;
86 static int get_fs_fixup_state(int fd
)
88 unsigned long long magic
;
92 return no_write_fixup_state
;
95 lseek64(fd
, 0, SEEK_SET
);
96 len
= read(fd
, &magic
, sizeof(magic
));
97 if (len
!= sizeof(magic
)) {
98 critical_error("cannot read fixup_state\n");
102 case MAGIC_STATE_MARKING_INUMS
:
103 ret
= STATE_MARKING_INUMS
;
105 case MAGIC_STATE_UPDATING_INUMS
:
106 ret
= STATE_UPDATING_INUMS
;
108 case MAGIC_STATE_UPDATING_SB
:
109 ret
= STATE_UPDATING_SB
;
117 static int set_fs_fixup_state(int fd
, int state
)
119 unsigned long long magic
;
120 struct ext4_super_block sb
;
124 no_write_fixup_state
= state
;
129 case STATE_MARKING_INUMS
:
130 magic
= MAGIC_STATE_MARKING_INUMS
;
132 case STATE_UPDATING_INUMS
:
133 magic
= MAGIC_STATE_UPDATING_INUMS
;
135 case STATE_UPDATING_SB
:
136 magic
= MAGIC_STATE_UPDATING_SB
;
144 lseek64(fd
, 0, SEEK_SET
);
145 len
= write(fd
, &magic
, sizeof(magic
));
146 if (len
!= sizeof(magic
)) {
147 critical_error("cannot write fixup_state\n");
152 /* If we are in the process of updating the filesystem, make it unmountable */
155 /* we are done, so make the filesystem mountable again */
156 sb
.s_desc_size
&= ~1;
160 write_sb(fd
, 1024, &sb
);
166 static int read_inode(int fd
, unsigned int inum
, struct ext4_inode
*inode
)
168 unsigned int bg_num
, bg_offset
;
169 off64_t inode_offset
;
172 bg_num
= (inum
-1) / info
.inodes_per_group
;
173 bg_offset
= (inum
-1) % info
.inodes_per_group
;
175 inode_offset
= ((unsigned long long)aux_info
.bg_desc
[bg_num
].bg_inode_table
* info
.block_size
) +
176 (bg_offset
* info
.inode_size
);
178 if (lseek64(fd
, inode_offset
, SEEK_SET
) < 0) {
179 critical_error_errno("failed to seek to inode %d\n", inum
);
182 len
=read(fd
, inode
, sizeof(*inode
));
183 if (len
!= sizeof(*inode
)) {
184 critical_error_errno("failed to read inode %d\n", inum
);
190 static int read_block(int fd
, unsigned long long block_num
, void *block
)
195 off
= block_num
* info
.block_size
;
197 if (lseek64(fd
, off
, SEEK_SET
) , 0) {
198 critical_error_errno("failed to seek to block %lld\n", block_num
);
201 len
=read(fd
, block
, info
.block_size
);
202 if (len
!= info
.block_size
) {
203 critical_error_errno("failed to read block %lld\n", block_num
);
209 static int write_block(int fd
, unsigned long long block_num
, void *block
)
218 off
= block_num
* info
.block_size
;
220 if (lseek64(fd
, off
, SEEK_SET
) < 0) {
221 critical_error_errno("failed to seek to block %lld\n", block_num
);
224 len
=write(fd
, block
, info
.block_size
);
225 if (len
!= info
.block_size
) {
226 critical_error_errno("failed to write block %lld\n", block_num
);
232 static void check_inode_bitmap(int fd
, unsigned int bg_num
)
234 unsigned int inode_bitmap_block_num
;
235 unsigned char block
[MAX_EXT4_BLOCK_SIZE
];
236 int i
, bitmap_updated
= 0;
238 /* Using the bg_num, aux_info.bg_desc[], info.inodes_per_group and
239 * new_inodes_per_group, retrieve the inode bitmap, and make sure
240 * the bits between the old and new size are clear
242 inode_bitmap_block_num
= aux_info
.bg_desc
[bg_num
].bg_inode_bitmap
;
244 read_block(fd
, inode_bitmap_block_num
, block
);
246 for (i
= info
.inodes_per_group
; i
< new_inodes_per_group
; i
++) {
247 if (bitmap_get_bit(block
, i
)) {
248 bitmap_clear_bit(block
, i
);
253 if (bitmap_updated
) {
255 printf("Warning: updated inode bitmap for block group %d\n", bg_num
);
257 write_block(fd
, inode_bitmap_block_num
, block
);
263 /* Update the superblock and bgdesc of the specified block group */
264 static int update_superblocks_and_bg_desc(int fd
, int state
)
267 struct ext4_super_block sb
;
268 unsigned int num_block_groups
, total_new_inodes
;
274 /* Compute how many more inodes are now available */
275 num_block_groups
= DIV_ROUND_UP(aux_info
.len_blocks
, info
.blocks_per_group
);
276 total_new_inodes
= num_block_groups
* (new_inodes_per_group
- sb
.s_inodes_per_group
);
279 printf("created %d additional inodes\n", total_new_inodes
);
282 /* Update the free inodes count in each block group descriptor */
283 for (i
= 0; i
< num_block_groups
; i
++) {
284 if (state
== STATE_UPDATING_SB
) {
285 aux_info
.bg_desc
[i
].bg_free_inodes_count
+= (new_inodes_per_group
- sb
.s_inodes_per_group
);
287 check_inode_bitmap(fd
, i
);
290 /* First some sanity checks */
291 if ((sb
.s_inodes_count
+ total_new_inodes
) != (new_inodes_per_group
* num_block_groups
)) {
292 critical_error("Failed sanity check on new inode count\n");
294 if (new_inodes_per_group
% (info
.block_size
/info
.inode_size
)) {
295 critical_error("Failed sanity check on new inode per group alignment\n");
298 /* Update the free inodes count in the superblock */
299 sb
.s_inodes_count
+= total_new_inodes
;
300 sb
.s_free_inodes_count
+= total_new_inodes
;
301 sb
.s_inodes_per_group
= new_inodes_per_group
;
303 for (i
= 0; i
< aux_info
.groups
; i
++) {
304 if (ext4_bg_has_super_block(i
)) {
305 unsigned int sb_offset
;
308 /* The first superblock is offset by 1K to leave room for boot sectors */
314 sb
.s_block_group_nr
= i
;
315 /* Don't write out the backup superblocks with the bit set in the s_desc_size
316 * which prevents the filesystem from mounting. The bit for the primary
317 * superblock will be cleared on the final call to set_fs_fixup_state() */
319 sb
.s_desc_size
&= ~1;
324 (unsigned long long)i
325 * info
.blocks_per_group
* info
.block_size
330 ret
= lseek64(fd
, ((unsigned long long)i
* info
.blocks_per_group
* info
.block_size
) +
331 (info
.block_size
* (aux_info
.first_data_block
+ 1)), SEEK_SET
);
333 critical_error_errno("failed to seek to block group descriptors");
336 ret
= write(fd
, aux_info
.bg_desc
, info
.block_size
* aux_info
.bg_desc_blocks
);
338 critical_error_errno("failed to write block group descriptors");
339 if (ret
!= (int)info
.block_size
* (int)aux_info
.bg_desc_blocks
)
340 critical_error("failed to write all of block group descriptors");
343 if ((bail_phase
== 4) && ((unsigned int)bail_count
== i
)) {
344 critical_error("bailing at phase 4\n");
352 static int get_direct_blocks(struct ext4_inode
*inode
, unsigned long long *block_list
,
356 unsigned int ret
= 0;
357 unsigned int sectors_per_block
;
359 sectors_per_block
= info
.block_size
/ INODE_BLOCK_SIZE
;
360 while ((i
< (inode
->i_blocks_lo
/ sectors_per_block
)) && (i
< EXT4_NDIR_BLOCKS
)) {
361 block_list
[i
] = inode
->i_block
[i
];
367 if ((inode
->i_blocks_lo
/ sectors_per_block
) > EXT4_NDIR_BLOCKS
) {
374 static int get_indirect_blocks(int fd
, struct ext4_inode
*inode
,
375 unsigned long long *block_list
, unsigned int *count
)
378 unsigned int *indirect_block
;
379 unsigned int sectors_per_block
;
381 sectors_per_block
= info
.block_size
/ INODE_BLOCK_SIZE
;
383 indirect_block
= (unsigned int *)malloc(info
.block_size
);
384 if (indirect_block
== 0) {
385 critical_error("failed to allocate memory for indirect_block\n");
388 read_block(fd
, inode
->i_block
[EXT4_NDIR_BLOCKS
], indirect_block
);
390 for(i
= 0; i
< (inode
->i_blocks_lo
/ sectors_per_block
- EXT4_NDIR_BLOCKS
); i
++) {
391 block_list
[EXT4_NDIR_BLOCKS
+i
] = indirect_block
[i
];
396 free(indirect_block
);
401 static int get_block_list_indirect(int fd
, struct ext4_inode
*inode
, unsigned long long *block_list
)
403 unsigned int count
=0;
405 if (get_direct_blocks(inode
, block_list
, &count
)) {
406 get_indirect_blocks(fd
, inode
, block_list
, &count
);
412 static int get_extent_ents(struct ext4_extent_header
*ext_hdr
, unsigned long long *block_list
)
415 struct ext4_extent
*extent
;
416 off64_t fs_block_num
;
418 if (ext_hdr
->eh_depth
!= 0) {
419 critical_error("get_extent_ents called with eh_depth != 0\n");
422 /* The extent entries immediately follow the header, so add 1 to the pointer
423 * and cast it to an extent pointer.
425 extent
= (struct ext4_extent
*)(ext_hdr
+ 1);
427 for (i
= 0; i
< ext_hdr
->eh_entries
; i
++) {
428 fs_block_num
= ((off64_t
)extent
->ee_start_hi
<< 32) | extent
->ee_start_lo
;
429 for (j
= 0; j
< extent
->ee_len
; j
++) {
430 block_list
[extent
->ee_block
+j
] = fs_block_num
+j
;
438 static int get_extent_idx(int fd
, struct ext4_extent_header
*ext_hdr
, unsigned long long *block_list
)
441 struct ext4_extent_idx
*extent_idx
;
442 struct ext4_extent_header
*tmp_ext_hdr
;
443 off64_t fs_block_num
;
444 unsigned char block
[MAX_EXT4_BLOCK_SIZE
];
447 if (ext_hdr
->eh_depth
== 0) {
448 critical_error("get_extent_idx called with eh_depth == 0\n");
451 /* The extent entries immediately follow the header, so add 1 to the pointer
452 * and cast it to an extent pointer.
454 extent_idx
= (struct ext4_extent_idx
*)(ext_hdr
+ 1);
456 for (i
= 0; i
< ext_hdr
->eh_entries
; i
++) {
457 fs_block_num
= ((off64_t
)extent_idx
->ei_leaf_hi
<< 32) | extent_idx
->ei_leaf_lo
;
458 read_block(fd
, fs_block_num
, block
);
459 tmp_ext_hdr
= (struct ext4_extent_header
*)block
;
461 if (tmp_ext_hdr
->eh_depth
== 0) {
462 get_extent_ents(tmp_ext_hdr
, block_list
); /* leaf node, fill in block_list */
464 get_extent_idx(fd
, tmp_ext_hdr
, block_list
); /* recurse down the tree */
471 static int get_block_list_extents(int fd
, struct ext4_inode
*inode
, unsigned long long *block_list
)
473 struct ext4_extent_header
*extent_hdr
;
475 extent_hdr
= (struct ext4_extent_header
*)inode
->i_block
;
477 if (extent_hdr
->eh_magic
!= EXT4_EXT_MAGIC
) {
478 critical_error("extent header has unexpected magic value 0x%4.4x\n",
479 extent_hdr
->eh_magic
);
482 if (extent_hdr
->eh_depth
== 0) {
483 get_extent_ents((struct ext4_extent_header
*)inode
->i_block
, block_list
);
487 get_extent_idx(fd
, (struct ext4_extent_header
*)inode
->i_block
, block_list
);
492 static int is_entry_dir(int fd
, struct ext4_dir_entry_2
*dirp
, int pass
)
494 struct ext4_inode inode
;
497 if (dirp
->file_type
== EXT4_FT_DIR
) {
499 } else if (dirp
->file_type
== EXT4_FT_UNKNOWN
) {
500 /* Somebody was too lazy to fill in the dir entry,
501 * so we have to go fetch it from the inode. Grrr.
503 /* if UPDATE_INODE_NUMS pass and the inode high bit is not
504 * set return false so we don't recurse down the tree that is
505 * already updated. Otherwise, fetch inode, and return answer.
507 if ((pass
== UPDATE_INODE_NUMS
) && !(dirp
->inode
& 0x80000000)) {
510 read_inode(fd
, (dirp
->inode
& 0x7fffffff), &inode
);
511 if (S_ISDIR(inode
.i_mode
)) {
520 static int recurse_dir(int fd
, struct ext4_inode
*inode
, char *dirbuf
, int dirsize
, int mode
)
522 unsigned long long *block_list
;
523 unsigned int num_blocks
;
524 struct ext4_dir_entry_2
*dirp
, *prev_dirp
= 0;
526 unsigned int i
, leftover_space
, is_dir
;
527 struct ext4_inode tmp_inode
;
532 case SANITY_CHECK_PASS
:
533 case MARK_INODE_NUMS
:
534 case UPDATE_INODE_NUMS
:
537 critical_error("recurse_dir() called witn unknown mode!\n");
540 if (dirsize
% info
.block_size
) {
541 critical_error("dirsize %d not a multiple of block_size %d. This is unexpected!\n",
542 dirsize
, info
.block_size
);
545 num_blocks
= dirsize
/ info
.block_size
;
547 block_list
= malloc((num_blocks
+ 1) * sizeof(*block_list
));
548 if (block_list
== 0) {
549 critical_error("failed to allocate memory for block_list\n");
552 if (inode
->i_flags
& EXT4_EXTENTS_FL
) {
553 get_block_list_extents(fd
, inode
, block_list
);
555 /* A directory that requires doubly or triply indirect blocks in huge indeed,
556 * and will almost certainly not exist, especially since make_ext4fs only creates
557 * directories with extents, and the kernel will too, but check to make sure the
558 * directory is not that big and give an error if so. Our limit is 12 direct blocks,
559 * plus block_size/4 singly indirect blocks, which for a filesystem with 4K blocks
560 * is a directory 1036 blocks long, or 4,243,456 bytes long! Assuming an average
561 * filename length of 20 (which I think is generous) thats 20 + 8 bytes overhead
562 * per entry, or 151,552 entries in the directory!
564 if (num_blocks
> (info
.block_size
/ 4 + EXT4_NDIR_BLOCKS
)) {
565 critical_error("Non-extent based directory is too big!\n");
567 get_block_list_indirect(fd
, inode
, block_list
);
570 /* Read in all the blocks for this directory */
571 for (i
= 0; i
< num_blocks
; i
++) {
572 read_block(fd
, block_list
[i
], dirbuf
+ (i
* info
.block_size
));
575 dirp
= (struct ext4_dir_entry_2
*)dirbuf
;
576 while (dirp
< (struct ext4_dir_entry_2
*)(dirbuf
+ dirsize
)) {
578 leftover_space
= (char *)(dirbuf
+ dirsize
) - (char *)dirp
;
579 if (((mode
== SANITY_CHECK_PASS
) || (mode
== UPDATE_INODE_NUMS
)) &&
580 (leftover_space
<= 8) && prev_dirp
) {
581 /* This is a bug in an older version of make_ext4fs, where it
582 * didn't properly include the rest of the block in rec_len.
583 * Update rec_len on the previous entry to include the rest of
584 * the block and exit the loop.
587 printf("fixing up short rec_len for diretory entry for %s\n", name
);
589 prev_dirp
->rec_len
+= leftover_space
;
593 if (dirp
->inode
== 0) {
594 /* This is the last entry in the directory */
598 strncpy(name
, dirp
->name
, dirp
->name_len
);
599 name
[dirp
->name_len
]='\0';
601 /* Only recurse on pass UPDATE_INODE_NUMS if the high bit is set.
602 * Otherwise, this inode entry has already been updated
603 * and we'll do the wrong thing. Also don't recurse on . or ..,
604 * and certainly not on non-directories!
606 /* Hrm, looks like filesystems made by fastboot on stingray set the file_type
607 * flag, but the lost+found directory has the type set to Unknown, which
608 * seems to imply I need to read the inode and get it.
610 is_dir
= is_entry_dir(fd
, dirp
, mode
);
611 if ( is_dir
&& (strcmp(name
, ".") && strcmp(name
, "..")) &&
612 ((mode
== SANITY_CHECK_PASS
) || (mode
== MARK_INODE_NUMS
) ||
613 ((mode
== UPDATE_INODE_NUMS
) && (dirp
->inode
& 0x80000000))) ) {
614 /* A directory! Recurse! */
615 read_inode(fd
, dirp
->inode
& 0x7fffffff, &tmp_inode
);
617 if (!S_ISDIR(tmp_inode
.i_mode
)) {
618 critical_error("inode %d for name %s does not point to a directory\n",
619 dirp
->inode
& 0x7fffffff, name
);
622 printf("inode %d %s use extents\n", dirp
->inode
& 0x7fffffff,
623 (tmp_inode
.i_flags
& EXT4_EXTENTS_FL
) ? "does" : "does not");
626 tmp_dirsize
= tmp_inode
.i_blocks_lo
* INODE_BLOCK_SIZE
;
628 printf("dir size = %d bytes\n", tmp_dirsize
);
631 tmp_dirbuf
= malloc(tmp_dirsize
);
632 if (tmp_dirbuf
== 0) {
633 critical_error("failed to allocate memory for tmp_dirbuf\n");
636 recurse_dir(fd
, &tmp_inode
, tmp_dirbuf
, tmp_dirsize
, mode
);
643 printf("Directory %s\n", name
);
645 printf("Non-directory %s\n", name
);
649 /* Process entry based on current mode. Either set high bit or change inode number */
650 if (mode
== MARK_INODE_NUMS
) {
651 dirp
->inode
|= 0x80000000;
652 } else if (mode
== UPDATE_INODE_NUMS
) {
653 if (dirp
->inode
& 0x80000000) {
654 dirp
->inode
= compute_new_inum(dirp
->inode
& 0x7fffffff);
658 if ((bail_phase
== mode
) && (bail_loc
== 1) && (bail_count
== count
)) {
659 critical_error("Bailing at phase %d, loc 1 and count %d\n", mode
, count
);
662 /* Point dirp at the next entry */
664 dirp
= (struct ext4_dir_entry_2
*)((char *)dirp
+ dirp
->rec_len
);
667 /* Write out all the blocks for this directory */
668 for (i
= 0; i
< num_blocks
; i
++) {
669 write_block(fd
, block_list
[i
], dirbuf
+ (i
* info
.block_size
));
670 if ((bail_phase
== mode
) && (bail_loc
== 2) && (bail_count
<= count
)) {
671 critical_error("Bailing at phase %d, loc 2 and count %d\n", mode
, count
);
680 int ext4fixup(char *fsdev
)
682 return ext4fixup_internal(fsdev
, 0, 0, 0, 0, 0);
685 int ext4fixup_internal(char *fsdev
, int v_flag
, int n_flag
,
686 int stop_phase
, int stop_loc
, int stop_count
)
689 struct ext4_inode root_inode
;
690 unsigned int dirsize
;
693 if (setjmp(setjmp_env
))
694 return EXIT_FAILURE
; /* Handle a call to longjmp() */
699 bail_phase
= stop_phase
;
701 bail_count
= stop_count
;
703 fd
= open(fsdev
, O_RDWR
);
706 critical_error_errno("failed to open filesystem image");
708 read_ext(fd
, verbose
);
710 if (info
.feat_incompat
& EXT4_FEATURE_INCOMPAT_RECOVER
) {
711 critical_error("Filesystem needs recovery first, mount and unmount to do that\n");
714 /* Clear the low bit which is set while this tool is in progress.
715 * If the tool crashes, it will still be set when we restart.
716 * The low bit is set to make the filesystem unmountable while
717 * it is being fixed up. Also allow 0, which means the old ext2
720 if (((aux_info
.sb
->s_desc_size
& ~1) != sizeof(struct ext2_group_desc
)) &&
721 ((aux_info
.sb
->s_desc_size
& ~1) != 0))
722 critical_error("error: bg_desc_size != sizeof(struct ext2_group_desc)\n");
724 if ((info
.feat_incompat
& EXT4_FEATURE_INCOMPAT_FILETYPE
) == 0) {
725 critical_error("Expected filesystem to have filetype flag set\n");
728 #if 0 // If we have to fix the directory rec_len issue, we can't use this check
729 /* Check to see if the inodes/group is copacetic */
730 if (info
.inodes_per_blockgroup
% (info
.block_size
/info
.inode_size
) == 0) {
731 /* This filesystem has either already been updated, or was
735 printf("%s: filesystem correct, no work to do\n", me
);
741 /* Compute what the new value of inodes_per_blockgroup will be when we're done */
742 new_inodes_per_group
=EXT4_ALIGN(info
.inodes_per_group
,(info
.block_size
/info
.inode_size
));
744 read_inode(fd
, EXT4_ROOT_INO
, &root_inode
);
746 if (!S_ISDIR(root_inode
.i_mode
)) {
747 critical_error("root inode %d does not point to a directory\n", EXT4_ROOT_INO
);
750 printf("inode %d %s use extents\n", EXT4_ROOT_INO
,
751 (root_inode
.i_flags
& EXT4_EXTENTS_FL
) ? "does" : "does not");
754 dirsize
= root_inode
.i_blocks_lo
* INODE_BLOCK_SIZE
;
756 printf("root dir size = %d bytes\n", dirsize
);
759 dirbuf
= malloc(dirsize
);
761 critical_error("failed to allocate memory for dirbuf\n");
764 /* Perform a sanity check pass first, try to catch any errors that will occur
765 * before we actually change anything, so we don't leave a filesystem in a
766 * corrupted, unrecoverable state. Set no_write, make it quiet, and do a recurse
767 * pass and a update_superblock pass. Set flags back to requested state when done.
768 * Only perform sanity check if the state is unset. If the state is _NOT_ unset,
769 * then the tool has already been run and interrupted, and it presumably ran and
770 * passed sanity checked before it got interrupted. It is _NOT_ safe to run sanity
771 * check if state is unset because it assumes inodes are to be computed using the
772 * old inodes/group, but some inode numbers may be updated to the new number.
774 if (get_fs_fixup_state(fd
) == STATE_UNSET
) {
777 recurse_dir(fd
, &root_inode
, dirbuf
, dirsize
, SANITY_CHECK_PASS
);
778 update_superblocks_and_bg_desc(fd
, STATE_UNSET
);
782 set_fs_fixup_state(fd
, STATE_MARKING_INUMS
);
785 if (get_fs_fixup_state(fd
) == STATE_MARKING_INUMS
) {
786 count
= 0; /* Reset debugging counter */
787 if (!recurse_dir(fd
, &root_inode
, dirbuf
, dirsize
, MARK_INODE_NUMS
)) {
788 set_fs_fixup_state(fd
, STATE_UPDATING_INUMS
);
792 if (get_fs_fixup_state(fd
) == STATE_UPDATING_INUMS
) {
793 count
= 0; /* Reset debugging counter */
794 if (!recurse_dir(fd
, &root_inode
, dirbuf
, dirsize
, UPDATE_INODE_NUMS
)) {
795 set_fs_fixup_state(fd
, STATE_UPDATING_SB
);
799 if (get_fs_fixup_state(fd
) == STATE_UPDATING_SB
) {
800 /* set the new inodes/blockgroup number,
801 * and sets the state back to 0.
803 if (!update_superblocks_and_bg_desc(fd
, STATE_UPDATING_SB
)) {
804 set_fs_fixup_state(fd
, STATE_UNSET
);