2 * pass1.c -- pass #1 of e2fsck: sequential scan of the inode table
4 * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
7 * This file may be redistributed under the terms of the GNU Public
11 * Pass 1 of e2fsck iterates over all the inodes in the filesystems,
12 * and applies the following tests to each inode:
14 * - The mode field of the inode must be legal.
15 * - The size and block count fields of the inode are correct.
16 * - A data block must not be used by another inode
18 * Pass 1 also gathers the collects the following information:
20 * - A bitmap of which inodes are in use. (inode_used_map)
21 * - A bitmap of which inodes are directories. (inode_dir_map)
22 * - A bitmap of which inodes are regular files. (inode_reg_map)
23 * - A bitmap of which inodes have bad fields. (inode_bad_map)
24 * - A bitmap of which inodes are in bad blocks. (inode_bb_map)
25 * - A bitmap of which inodes are imagic inodes. (inode_imagic_map)
26 * - A bitmap of which inodes are casefolded. (inode_casefold_map)
27 * - A bitmap of which blocks are in use. (block_found_map)
28 * - A bitmap of which blocks are in use by two inodes (block_dup_map)
29 * - The data blocks of the directory inodes. (dir_map)
30 * - Ref counts for ea_inodes. (ea_inode_refs)
31 * - The encryption policy ID of each encrypted inode. (encrypted_files)
33 * Pass 1 is designed to stash away enough information so that the
34 * other passes should not need to read in the inode information
35 * during the normal course of a filesystem check. (Although if an
36 * inconsistency is detected, other passes may need to read in an
39 * Note that pass 1B will be invoked if there are any duplicate blocks
43 #define _GNU_SOURCE 1 /* get strnlen() */
56 #include <ext2fs/ext2_ext_attr.h>
57 /* todo remove this finally */
58 #include <ext2fs/ext2fsP.h>
63 #ifdef NO_INLINE_FUNCS
66 #define _INLINE_ inline
76 static int process_block(ext2_filsys fs, blk64_t *blocknr,
77 e2_blkcnt_t blockcnt, blk64_t ref_blk,
78 int ref_offset, void *priv_data);
79 static int process_bad_block(ext2_filsys fs, blk64_t *block_nr,
80 e2_blkcnt_t blockcnt, blk64_t ref_blk,
81 int ref_offset, void *priv_data);
82 static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
84 const struct ea_quota *ea_ibody_quota);
85 static void mark_table_blocks(e2fsck_t ctx);
86 static void alloc_bb_map(e2fsck_t ctx);
87 static void alloc_imagic_map(e2fsck_t ctx);
88 static void mark_inode_bad(e2fsck_t ctx, ino_t ino);
89 static void add_casefolded_dir(e2fsck_t ctx, ino_t ino);
90 static void handle_fs_bad_blocks(e2fsck_t ctx);
91 static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b);
92 static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
93 dgrp_t group, void * priv_data);
94 static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
95 char *block_buf, int adjust_sign);
96 /* static char *describe_illegal_block(ext2_filsys fs, blk64_t block); */
98 struct process_block_struct {
100 unsigned is_dir:1, is_reg:1, clear:1, suppress:1,
101 fragmented:1, compressed:1, bbcheck:1,
106 e2_blkcnt_t last_init_lblock;
107 e2_blkcnt_t last_db_block;
108 int num_illegal_blocks;
109 blk64_t previous_block;
110 struct ext2_inode *inode;
111 struct problem_context *pctx;
112 ext2fs_block_bitmap fs_meta_blocks;
115 struct extent_tree_info eti;
118 struct process_inode_block {
120 struct ea_quota ea_ibody_quota;
121 struct ext2_inode_large inode;
124 struct scan_callback_struct {
127 struct process_inode_block *inodes_to_process;
128 int *process_inode_count;
131 static void process_inodes(e2fsck_t ctx, char *block_buf,
132 struct process_inode_block *inodes_to_process,
133 int *process_inode_count);
135 static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE -
136 EXT2_MIN_BLOCK_LOG_SIZE + 1];
139 * Check to make sure a device inode is real. Returns 1 if the device
140 * checks out, 0 if not.
142 * Note: this routine is now also used to check FIFO's and Sockets,
143 * since they have the same requirement; the i_block fields should be
146 int e2fsck_pass1_check_device_inode(ext2_filsys fs EXT2FS_ATTR((unused)),
147 struct ext2_inode *inode)
152 * If the index or extents flag is set, then this is a bogus
155 if (inode->i_flags & (EXT2_INDEX_FL | EXT4_EXTENTS_FL))
159 * We should be able to do the test below all the time, but
160 * because the kernel doesn't forcibly clear the device
161 * inode's additional i_block fields, there are some rare
162 * occasions when a legitimate device inode will have non-zero
163 * additional i_block fields. So for now, we only complain
164 * when the immutable flag is set, which should never happen
165 * for devices. (And that's when the problem is caused, since
166 * you can't set or clear immutable flags for devices.) Once
167 * the kernel has been fixed we can change this...
169 if (inode->i_flags & (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL)) {
170 for (i=4; i < EXT2_N_BLOCKS; i++)
171 if (inode->i_block[i])
178 * Check to make sure a symlink inode is real. Returns 1 if the symlink
179 * checks out, 0 if not.
181 int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
182 struct ext2_inode *inode, char *buf)
187 if ((inode->i_size_high || inode->i_size == 0) ||
188 (inode->i_flags & EXT2_INDEX_FL))
191 if (inode->i_flags & EXT4_INLINE_DATA_FL) {
194 if (inode->i_flags & EXT4_EXTENTS_FL)
196 if (ext2fs_inline_data_size(fs, ino, &inline_size))
198 if (inode->i_size != inline_size)
204 if (ext2fs_is_fast_symlink(inode)) {
205 if (inode->i_flags & EXT4_EXTENTS_FL)
207 buf = (char *)inode->i_block;
208 buflen = sizeof(inode->i_block);
210 ext2_extent_handle_t handle;
211 struct ext2_extent_info info;
212 struct ext2fs_extent extent;
216 if (inode->i_flags & EXT4_EXTENTS_FL) {
217 if (ext2fs_extent_open2(fs, ino, inode, &handle))
219 if (ext2fs_extent_get_info(handle, &info) ||
220 (info.num_entries != 1) ||
221 (info.max_depth != 0)) {
222 ext2fs_extent_free(handle);
225 if (ext2fs_extent_get(handle, EXT2_EXTENT_ROOT,
227 (extent.e_lblk != 0) ||
228 (extent.e_len != 1)) {
229 ext2fs_extent_free(handle);
233 ext2fs_extent_free(handle);
235 blk = inode->i_block[0];
237 for (i = 1; i < EXT2_N_BLOCKS; i++)
238 if (inode->i_block[i])
242 if (blk < fs->super->s_first_data_block ||
243 blk >= ext2fs_blocks_count(fs->super))
246 if (io_channel_read_blk64(fs->io, blk, 1, buf))
249 buflen = fs->blocksize;
252 if (inode->i_flags & EXT4_ENCRYPT_FL)
253 len = ext2fs_le16_to_cpu(*(__u16 *)buf) + 2;
255 len = strnlen(buf, buflen);
260 if (len != inode->i_size)
266 * If the extents or inlinedata flags are set on the inode, offer to clear 'em.
268 #define BAD_SPECIAL_FLAGS (EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL)
269 static void check_extents_inlinedata(e2fsck_t ctx,
270 struct problem_context *pctx)
272 if (!(pctx->inode->i_flags & BAD_SPECIAL_FLAGS))
275 if (!fix_problem(ctx, PR_1_SPECIAL_EXTENTS_IDATA, pctx))
278 pctx->inode->i_flags &= ~BAD_SPECIAL_FLAGS;
279 e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
281 #undef BAD_SPECIAL_FLAGS
284 * If the immutable (or append-only) flag is set on the inode, offer
287 #define BAD_SPECIAL_FLAGS (EXT2_IMMUTABLE_FL | EXT2_APPEND_FL)
288 static void check_immutable(e2fsck_t ctx, struct problem_context *pctx)
290 if (!(pctx->inode->i_flags & BAD_SPECIAL_FLAGS))
293 if (!fix_problem(ctx, PR_1_SET_IMMUTABLE, pctx))
296 pctx->inode->i_flags &= ~BAD_SPECIAL_FLAGS;
297 e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
301 * If device, fifo or socket, check size is zero -- if not offer to
304 static void check_size(e2fsck_t ctx, struct problem_context *pctx)
306 struct ext2_inode *inode = pctx->inode;
308 if (EXT2_I_SIZE(inode) == 0)
311 if (!fix_problem(ctx, PR_1_SET_NONZSIZE, pctx))
314 ext2fs_inode_size_set(ctx->fs, inode, 0);
315 e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
319 * For a given size, calculate how many blocks would be charged towards quota.
321 static blk64_t size_to_quota_blocks(ext2_filsys fs, size_t size)
325 clusters = DIV_ROUND_UP(size, fs->blocksize << fs->cluster_ratio_bits);
326 return EXT2FS_C2B(fs, clusters);
330 * Check validity of EA inode. Return 0 if EA inode is valid, otherwise return
333 static problem_t check_large_ea_inode(e2fsck_t ctx,
334 struct ext2_ext_attr_entry *entry,
335 struct problem_context *pctx,
336 blk64_t *quota_blocks)
338 struct ext2_inode inode;
342 /* Check if inode is within valid range */
343 if ((entry->e_value_inum < EXT2_FIRST_INODE(ctx->fs->super)) ||
344 (entry->e_value_inum > ctx->fs->super->s_inodes_count)) {
345 pctx->num = entry->e_value_inum;
346 return PR_1_ATTR_VALUE_EA_INODE;
349 e2fsck_read_inode(ctx, entry->e_value_inum, &inode, "pass1");
351 retval = ext2fs_ext_attr_hash_entry2(ctx->fs, entry, NULL, &hash);
353 com_err("check_large_ea_inode", retval,
354 _("while hashing entry with e_value_inum = %u"),
355 entry->e_value_inum);
359 if (hash == entry->e_hash) {
360 *quota_blocks = size_to_quota_blocks(ctx->fs,
361 entry->e_value_size);
363 /* This might be an old Lustre-style ea_inode reference. */
364 if (inode.i_mtime == pctx->ino &&
365 inode.i_generation == pctx->inode->i_generation) {
368 /* If target inode is also missing EA_INODE flag,
369 * this is likely to be a bad reference.
371 if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
372 pctx->num = entry->e_value_inum;
373 return PR_1_ATTR_VALUE_EA_INODE;
375 pctx->num = entry->e_hash;
376 return PR_1_ATTR_HASH;
381 if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
382 pctx->num = entry->e_value_inum;
383 if (fix_problem(ctx, PR_1_ATTR_SET_EA_INODE_FL, pctx)) {
384 inode.i_flags |= EXT4_EA_INODE_FL;
385 e2fsck_pass1_fix_lock(ctx);
386 ext2fs_write_inode(ctx->fs, entry->e_value_inum,
388 e2fsck_pass1_fix_unlock(ctx);
390 return PR_1_ATTR_NO_EA_INODE_FL;
396 static void inc_ea_inode_refs(e2fsck_t ctx, struct problem_context *pctx,
397 struct ext2_ext_attr_entry *first, void *end)
399 struct ext2_ext_attr_entry *entry;
402 (void *)entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry);
403 entry = EXT2_EXT_ATTR_NEXT(entry)) {
404 if (!entry->e_value_inum)
406 if (!ctx->ea_inode_refs) {
407 pctx->errcode = ea_refcount_create(0,
408 &ctx->ea_inode_refs);
411 fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
412 ctx->flags |= E2F_FLAG_ABORT;
416 ea_refcount_increment(ctx->ea_inode_refs, entry->e_value_inum,
421 static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx,
422 struct ea_quota *ea_ibody_quota)
424 struct ext2_super_block *sb = ctx->fs->super;
425 struct ext2_inode_large *inode;
426 struct ext2_ext_attr_entry *entry;
427 char *start, *header, *end;
428 unsigned int storage_size, remain;
429 problem_t problem = 0;
432 ea_ibody_quota->blocks = 0;
433 ea_ibody_quota->inodes = 0;
435 inode = (struct ext2_inode_large *) pctx->inode;
436 storage_size = EXT2_INODE_SIZE(ctx->fs->super) - EXT2_GOOD_OLD_INODE_SIZE -
437 inode->i_extra_isize;
438 header = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
439 inode->i_extra_isize;
440 end = header + storage_size;
441 start = header + sizeof(__u32);
442 entry = (struct ext2_ext_attr_entry *) start;
444 /* scan all entry's headers first */
446 /* take finish entry 0UL into account */
447 remain = storage_size - sizeof(__u32);
449 region = region_create(0, storage_size);
451 fix_problem(ctx, PR_1_EA_ALLOC_REGION_ABORT, pctx);
453 ctx->flags |= E2F_FLAG_ABORT;
456 if (region_allocate(region, 0, sizeof(__u32))) {
457 problem = PR_1_INODE_EA_ALLOC_COLLISION;
461 while (remain >= sizeof(struct ext2_ext_attr_entry) &&
462 !EXT2_EXT_IS_LAST_ENTRY(entry)) {
465 if (region_allocate(region, (char *)entry - (char *)header,
466 EXT2_EXT_ATTR_LEN(entry->e_name_len))) {
467 problem = PR_1_INODE_EA_ALLOC_COLLISION;
471 /* header eats this space */
472 remain -= sizeof(struct ext2_ext_attr_entry);
474 /* is attribute name valid? */
475 if (EXT2_EXT_ATTR_SIZE(entry->e_name_len) > remain) {
476 pctx->num = entry->e_name_len;
477 problem = PR_1_ATTR_NAME_LEN;
481 /* attribute len eats this space */
482 remain -= EXT2_EXT_ATTR_SIZE(entry->e_name_len);
484 if (entry->e_value_inum == 0) {
485 /* check value size */
486 if (entry->e_value_size > remain) {
487 pctx->num = entry->e_value_size;
488 problem = PR_1_ATTR_VALUE_SIZE;
492 if (entry->e_value_size &&
493 region_allocate(region,
494 sizeof(__u32) + entry->e_value_offs,
496 entry->e_value_size))) {
497 problem = PR_1_INODE_EA_ALLOC_COLLISION;
501 hash = ext2fs_ext_attr_hash_entry(entry,
502 start + entry->e_value_offs);
504 /* e_hash may be 0 in older inode's ea */
505 if (entry->e_hash != 0 && entry->e_hash != hash) {
506 pctx->num = entry->e_hash;
507 problem = PR_1_ATTR_HASH;
511 blk64_t quota_blocks;
513 problem = check_large_ea_inode(ctx, entry, pctx,
518 ea_ibody_quota->blocks += quota_blocks;
519 ea_ibody_quota->inodes++;
522 /* If EA value is stored in external inode then it does not
523 * consume space here */
524 if (entry->e_value_inum == 0)
525 remain -= entry->e_value_size;
527 entry = EXT2_EXT_ATTR_NEXT(entry);
530 if (region_allocate(region, (char *)entry - (char *)header,
532 problem = PR_1_INODE_EA_ALLOC_COLLISION;
539 * it seems like a corruption. it's very unlikely we could repair
540 * EA(s) in automatic fashion -bzzz
542 if (problem == 0 || !fix_problem(ctx, problem, pctx)) {
543 inc_ea_inode_refs(ctx, pctx,
544 (struct ext2_ext_attr_entry *)start, end);
548 /* simply remove all possible EA(s) */
549 *((__u32 *)header) = 0UL;
550 e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
551 EXT2_INODE_SIZE(sb), "pass1");
552 ea_ibody_quota->blocks = 0;
553 ea_ibody_quota->inodes = 0;
556 static int check_inode_extra_negative_epoch(__u32 xtime, __u32 extra) {
557 return (xtime & (1U << 31)) != 0 &&
558 (extra & EXT4_EPOCH_MASK) == EXT4_EPOCH_MASK;
561 #define CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, xtime) \
562 check_inode_extra_negative_epoch(inode->i_##xtime, \
563 inode->i_##xtime##_extra)
565 /* When today's date is earlier than 2242, we assume that atimes,
566 * ctimes, crtimes, and mtimes with years in the range 2310..2378 are
567 * actually pre-1970 dates mis-encoded.
569 #define EXT4_EXTRA_NEGATIVE_DATE_CUTOFF 2 * (1LL << 32)
571 static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx,
572 struct ea_quota *ea_ibody_quota)
574 struct ext2_super_block *sb = ctx->fs->super;
575 struct ext2_inode_large *inode;
579 ea_ibody_quota->blocks = 0;
580 ea_ibody_quota->inodes = 0;
582 inode = (struct ext2_inode_large *) pctx->inode;
583 if (EXT2_INODE_SIZE(sb) == EXT2_GOOD_OLD_INODE_SIZE) {
584 /* this isn't large inode. so, nothing to check */
589 printf("inode #%u, i_extra_size %d\n", pctx->ino,
590 inode->i_extra_isize);
592 /* i_extra_isize must cover i_extra_isize + i_checksum_hi at least */
593 min = sizeof(inode->i_extra_isize) + sizeof(inode->i_checksum_hi);
594 max = EXT2_INODE_SIZE(sb) - EXT2_GOOD_OLD_INODE_SIZE;
596 * For now we will allow i_extra_isize to be 0, but really
597 * implementations should never allow i_extra_isize to be 0
599 if (inode->i_extra_isize &&
600 (inode->i_extra_isize < min || inode->i_extra_isize > max ||
601 inode->i_extra_isize & 3)) {
602 if (!fix_problem(ctx, PR_1_EXTRA_ISIZE, pctx))
604 if (inode->i_extra_isize < min || inode->i_extra_isize > max)
605 inode->i_extra_isize = sb->s_want_extra_isize;
607 inode->i_extra_isize = (inode->i_extra_isize + 3) & ~3;
608 e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
609 EXT2_INODE_SIZE(sb), "pass1");
612 /* check if there is no place for an EA header */
613 if (inode->i_extra_isize >= max - sizeof(__u32))
616 eamagic = (__u32 *) (((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
617 inode->i_extra_isize);
618 if (*eamagic == EXT2_EXT_ATTR_MAGIC) {
619 /* it seems inode has an extended attribute(s) in body */
620 check_ea_in_inode(ctx, pctx, ea_ibody_quota);
624 * If the inode's extended atime (ctime, crtime, mtime) is stored in
625 * the old, invalid format, repair it.
627 if (((sizeof(time_t) <= 4) ||
628 (((sizeof(time_t) > 4) &&
629 ctx->now < EXT4_EXTRA_NEGATIVE_DATE_CUTOFF))) &&
630 (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, atime) ||
631 CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, ctime) ||
632 CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, crtime) ||
633 CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, mtime))) {
635 if (!fix_problem(ctx, PR_1_EA_TIME_OUT_OF_RANGE, pctx))
638 if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, atime))
639 inode->i_atime_extra &= ~EXT4_EPOCH_MASK;
640 if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, ctime))
641 inode->i_ctime_extra &= ~EXT4_EPOCH_MASK;
642 if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, crtime))
643 inode->i_crtime_extra &= ~EXT4_EPOCH_MASK;
644 if (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, mtime))
645 inode->i_mtime_extra &= ~EXT4_EPOCH_MASK;
646 e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
647 EXT2_INODE_SIZE(sb), "pass1");
653 * Check to see if the inode might really be a directory, despite i_mode
655 * This is a lot of complexity for something for which I'm not really
656 * convinced happens frequently in the wild. If for any reason this
657 * causes any problems, take this code out.
658 * [tytso:20070331.0827EDT]
660 static void check_is_really_dir(e2fsck_t ctx, struct problem_context *pctx,
663 struct ext2_inode *inode = pctx->inode;
664 struct ext2_dir_entry *dirent;
667 unsigned int i, rec_len, not_device = 0;
672 * If the mode looks OK, we believe it. If the first block in
673 * the i_block array is 0, this cannot be a directory. If the
674 * inode is extent-mapped, it is still the case that the latter
675 * cannot be 0 - the magic number in the extent header would make
678 if (LINUX_S_ISDIR(inode->i_mode) || LINUX_S_ISREG(inode->i_mode) ||
679 LINUX_S_ISLNK(inode->i_mode) || inode->i_block[0] == 0)
683 * Check the block numbers in the i_block array for validity:
684 * zero blocks are skipped (but the first one cannot be zero -
685 * see above), other blocks are checked against the first and
686 * max data blocks (from the the superblock) and against the
687 * block bitmap. Any invalid block found means this cannot be
690 * If there are non-zero blocks past the fourth entry, then
691 * this cannot be a device file: we remember that for the next
694 * For extent mapped files, we don't do any sanity checking:
695 * just try to get the phys block of logical block 0 and run
698 * For inline data files, we just try to get the size of inline
699 * data. If it's true, we will treat it as a directory.
702 extent_fs = ext2fs_has_feature_extents(ctx->fs->super);
703 inlinedata_fs = ext2fs_has_feature_inline_data(ctx->fs->super);
704 if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL)) {
707 unsigned int rec_len2;
708 struct ext2_dir_entry de;
710 if (ext2fs_inline_data_size(ctx->fs, pctx->ino, &size))
713 * If the size isn't a multiple of 4, it's probably not a
719 * If the first 10 bytes don't look like a directory entry,
720 * it's probably not a directory.
722 memcpy(&dotdot, inode->i_block, sizeof(dotdot));
723 memcpy(&de, ((char *)inode->i_block) + EXT4_INLINE_DATA_DOTDOT_SIZE,
724 EXT2_DIR_REC_LEN(0));
725 dotdot = ext2fs_le32_to_cpu(dotdot);
726 de.inode = ext2fs_le32_to_cpu(de.inode);
727 de.rec_len = ext2fs_le16_to_cpu(de.rec_len);
728 ext2fs_get_rec_len(ctx->fs, &de, &rec_len2);
729 if (dotdot >= ctx->fs->super->s_inodes_count ||
730 (dotdot < EXT2_FIRST_INO(ctx->fs->super) &&
731 dotdot != EXT2_ROOT_INO) ||
732 de.inode >= ctx->fs->super->s_inodes_count ||
733 (de.inode < EXT2_FIRST_INO(ctx->fs->super) &&
735 rec_len2 > EXT4_MIN_INLINE_DATA_SIZE -
736 EXT4_INLINE_DATA_DOTDOT_SIZE)
738 /* device files never have a "system.data" entry */
740 } else if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) {
742 if (ext2fs_bmap2(ctx->fs, pctx->ino, inode, 0, 0, 0, 0,
745 /* device files are never extent mapped */
748 for (i=0; i < EXT2_N_BLOCKS; i++) {
749 blk = inode->i_block[i];
755 e2fsck_pass1_block_map_lock(ctx);
756 if (blk < ctx->fs->super->s_first_data_block ||
757 blk >= ext2fs_blocks_count(ctx->fs->super) ||
758 ext2fs_fast_test_block_bitmap2(ctx->block_found_map,
760 e2fsck_pass1_block_map_unlock(ctx);
761 return; /* Invalid block, can't be dir */
763 e2fsck_pass1_block_map_unlock(ctx);
765 blk = inode->i_block[0];
769 * If the mode says this is a device file and the i_links_count field
770 * is sane and we have not ruled it out as a device file previously,
771 * we declare it a device file, not a directory.
773 if ((LINUX_S_ISCHR(inode->i_mode) || LINUX_S_ISBLK(inode->i_mode)) &&
774 (inode->i_links_count == 1) && !not_device)
777 /* read the first block */
778 ehandler_operation(_("reading directory block"));
779 retval = ext2fs_read_dir_block4(ctx->fs, blk, buf, 0, pctx->ino);
780 ehandler_operation(0);
784 dirent = (struct ext2_dir_entry *) buf;
785 retval = ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
788 if ((ext2fs_dirent_name_len(dirent) != 1) ||
789 (dirent->name[0] != '.') ||
790 (dirent->inode != pctx->ino) ||
793 (rec_len >= ctx->fs->blocksize - 12))
796 dirent = (struct ext2_dir_entry *) (buf + rec_len);
797 retval = ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
800 if ((ext2fs_dirent_name_len(dirent) != 2) ||
801 (dirent->name[0] != '.') ||
802 (dirent->name[1] != '.') ||
808 if (fix_problem(ctx, PR_1_TREAT_AS_DIRECTORY, pctx)) {
809 inode->i_mode = (inode->i_mode & 07777) | LINUX_S_IFDIR;
810 e2fsck_write_inode_full(ctx, pctx->ino, inode,
811 EXT2_INODE_SIZE(ctx->fs->super),
812 "check_is_really_dir");
816 extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
817 int flags, ext2_icount_t hint,
820 unsigned int threshold;
821 unsigned int save_type;
829 profile_get_string(ctx->profile, "scratch_files", "directory", 0, 0,
831 profile_get_uint(ctx->profile, "scratch_files",
832 "numdirs_threshold", 0, 0, &threshold);
833 profile_get_boolean(ctx->profile, "scratch_files",
834 "icount", 0, 1, &enable);
836 retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs);
838 num_dirs = 1024; /* Guess */
840 if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
841 (!threshold || num_dirs > threshold)) {
842 retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir,
847 e2fsck_set_bitmap_type(ctx->fs, EXT2FS_BMAP64_RBTREE, icount_name,
849 if (ctx->options & E2F_OPT_ICOUNT_FULLMAP)
850 flags |= EXT2_ICOUNT_OPT_FULLMAP;
851 retval = ext2fs_create_icount2(ctx->fs, flags, 0, hint, ret);
852 ctx->fs->default_bitmap_type = save_type;
856 static errcode_t recheck_bad_inode_checksum(ext2_filsys fs, ext2_ino_t ino,
858 struct problem_context *pctx)
861 struct ext2_inode_large inode;
864 * Reread inode. If we don't see checksum error, then this inode
865 * has been fixed elsewhere.
867 ctx->stashed_ino = 0;
868 retval = ext2fs_read_inode_full(fs, ino, (struct ext2_inode *)&inode,
870 if (retval && retval != EXT2_ET_INODE_CSUM_INVALID)
876 * Checksum still doesn't match. That implies that the inode passes
877 * all the sanity checks, so maybe the checksum is simply corrupt.
878 * See if the user will go for fixing that.
880 if (!fix_problem(ctx, PR_1_INODE_ONLY_CSUM_INVALID, pctx))
884 e2fsck_pass1_fix_lock(ctx);
885 retval = ext2fs_write_inode_full(fs, ino, (struct ext2_inode *)&inode,
887 e2fsck_pass1_fix_unlock(ctx);
891 static void reserve_block_for_root_repair(e2fsck_t ctx)
895 ext2_filsys fs = ctx->fs;
897 ctx->root_repair_block = 0;
898 if (ext2fs_test_inode_bitmap2(ctx->inode_used_map, EXT2_ROOT_INO))
901 err = ext2fs_new_block2(fs, 0, ctx->block_found_map, &blk);
904 ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
905 ctx->root_repair_block = blk;
908 static void reserve_block_for_lnf_repair(e2fsck_t ctx)
912 ext2_filsys fs = ctx->fs;
913 static const char name[] = "lost+found";
916 ctx->lnf_repair_block = 0;
917 if (!ext2fs_lookup(fs, EXT2_ROOT_INO, name, sizeof(name)-1, 0, &ino))
920 err = ext2fs_new_block2(fs, 0, ctx->block_found_map, &blk);
923 ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
924 ctx->lnf_repair_block = blk;
928 static errcode_t get_inline_data_ea_size(ext2_filsys fs, ext2_ino_t ino,
932 struct ext2_xattr_handle *handle;
935 retval = ext2fs_xattrs_open(fs, ino, &handle);
939 retval = ext2fs_xattrs_read(handle);
943 retval = ext2fs_xattr_get(handle, "system.data", &p, sz);
948 (void) ext2fs_xattrs_close(&handle);
952 static void finish_processing_inode(e2fsck_t ctx, ext2_ino_t ino,
953 struct problem_context *pctx,
960 * If the inode failed the checksum and the user didn't
961 * clear the inode, test the checksum again -- if it still
962 * fails, ask the user if the checksum should be corrected.
964 pctx->errcode = recheck_bad_inode_checksum(ctx->fs, ino, ctx, pctx);
966 ctx->flags |= E2F_FLAG_ABORT;
968 #define FINISH_INODE_LOOP(ctx, ino, pctx, failed_csum) \
970 finish_processing_inode((ctx), (ino), (pctx), (failed_csum)); \
971 if ((ctx)->flags & E2F_FLAG_ABORT) \
975 static int could_be_block_map(ext2_filsys fs, struct ext2_inode *inode)
980 for (i = 0; i < EXT2_N_BLOCKS; i++) {
981 x = inode->i_block[i];
982 #ifdef WORDS_BIGENDIAN
983 x = ext2fs_swab32(x);
985 if (x >= ext2fs_blocks_count(fs->super))
993 * Figure out what to do with an inode that has both extents and inline data
994 * inode flags set. Returns -1 if we decide to erase the inode, 0 otherwise.
996 static int fix_inline_data_extents_file(e2fsck_t ctx,
998 struct ext2_inode *inode,
1000 struct problem_context *pctx)
1002 size_t max_inline_ea_size;
1003 ext2_filsys fs = ctx->fs;
1006 /* Both feature flags not set? Just run the regular checks */
1007 if (!ext2fs_has_feature_extents(fs->super) &&
1008 !ext2fs_has_feature_inline_data(fs->super))
1011 /* Clear both flags if it's a special file */
1012 if (LINUX_S_ISCHR(inode->i_mode) ||
1013 LINUX_S_ISBLK(inode->i_mode) ||
1014 LINUX_S_ISFIFO(inode->i_mode) ||
1015 LINUX_S_ISSOCK(inode->i_mode)) {
1016 check_extents_inlinedata(ctx, pctx);
1020 /* If it looks like an extent tree, try to clear inlinedata */
1021 if (ext2fs_extent_header_verify(inode->i_block,
1022 sizeof(inode->i_block)) == 0 &&
1023 fix_problem(ctx, PR_1_CLEAR_INLINE_DATA_FOR_EXTENT, pctx)) {
1024 inode->i_flags &= ~EXT4_INLINE_DATA_FL;
1029 /* If it looks short enough to be inline data, try to clear extents */
1030 if (inode_size > EXT2_GOOD_OLD_INODE_SIZE)
1031 max_inline_ea_size = inode_size -
1032 (EXT2_GOOD_OLD_INODE_SIZE +
1033 ((struct ext2_inode_large *)inode)->i_extra_isize);
1035 max_inline_ea_size = 0;
1036 if (EXT2_I_SIZE(inode) <
1037 EXT4_MIN_INLINE_DATA_SIZE + max_inline_ea_size &&
1038 fix_problem(ctx, PR_1_CLEAR_EXTENT_FOR_INLINE_DATA, pctx)) {
1039 inode->i_flags &= ~EXT4_EXTENTS_FL;
1045 * Too big for inline data, but no evidence of extent tree -
1046 * maybe it's a block map file? If the mappings all look valid?
1048 if (could_be_block_map(fs, inode) &&
1049 fix_problem(ctx, PR_1_CLEAR_EXTENT_INLINE_DATA_FLAGS, pctx)) {
1050 #ifdef WORDS_BIGENDIAN
1053 for (i = 0; i < EXT2_N_BLOCKS; i++)
1054 inode->i_block[i] = ext2fs_swab32(inode->i_block[i]);
1057 inode->i_flags &= ~(EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL);
1062 /* Oh well, just clear the busted inode. */
1063 if (fix_problem(ctx, PR_1_CLEAR_EXTENT_INLINE_DATA_INODE, pctx)) {
1064 e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
1070 e2fsck_write_inode(ctx, ino, inode, "pass1");
1075 static void pass1_readahead(e2fsck_t ctx, dgrp_t *group, ext2_ino_t *next_ino)
1077 ext2_ino_t inodes_in_group = 0, inodes_per_block, inodes_per_buffer;
1078 dgrp_t start = *group, grp;
1079 blk64_t blocks_to_read = 0;
1080 errcode_t err = EXT2_ET_INVALID_ARGUMENT;
1082 if (ctx->readahead_kb == 0)
1085 /* Keep iterating groups until we have enough to readahead */
1086 inodes_per_block = EXT2_INODES_PER_BLOCK(ctx->fs->super);
1087 for (grp = start; grp < ctx->fs->group_desc_count; grp++) {
1088 if (ext2fs_bg_flags_test(ctx->fs, grp, EXT2_BG_INODE_UNINIT))
1090 inodes_in_group = ctx->fs->super->s_inodes_per_group -
1091 ext2fs_bg_itable_unused(ctx->fs, grp);
1092 blocks_to_read += (inodes_in_group + inodes_per_block - 1) /
1094 if (blocks_to_read * ctx->fs->blocksize >
1095 ctx->readahead_kb * 1024)
1099 err = e2fsck_readahead(ctx->fs, E2FSCK_READA_ITABLE, start,
1101 if (err == EAGAIN) {
1102 ctx->readahead_kb /= 2;
1108 /* Error; disable itable readahead */
1109 *group = ctx->fs->group_desc_count;
1110 *next_ino = ctx->fs->super->s_inodes_count;
1113 * Don't do more readahead until we've reached the first inode
1114 * of the last inode scan buffer block for the last group.
1117 inodes_per_buffer = (ctx->inode_buffer_blocks ?
1118 ctx->inode_buffer_blocks :
1119 EXT2_INODE_SCAN_DEFAULT_BUFFER_BLOCKS) *
1120 ctx->fs->blocksize /
1121 EXT2_INODE_SIZE(ctx->fs->super);
1123 *next_ino = inodes_in_group -
1124 (inodes_in_group % inodes_per_buffer) + 1 +
1125 (grp * ctx->fs->super->s_inodes_per_group);
1130 * Check if the passed ino is one of the used superblock quota inodes.
1132 * Before the quota inodes were journaled, older superblock quota inodes
1133 * were just regular files in the filesystem and not reserved inodes. This
1134 * checks if the passed ino is one of the s_*_quota_inum superblock fields,
1135 * which may not always be the same as the EXT4_*_QUOTA_INO fields.
1137 static int quota_inum_is_super(struct ext2_super_block *sb, ext2_ino_t ino)
1139 enum quota_type qtype;
1141 for (qtype = 0; qtype < MAXQUOTAS; qtype++)
1142 if (*quota_sb_inump(sb, qtype) == ino)
1149 * Check if the passed ino is one of the reserved quota inodes.
1150 * This checks if the inode number is one of the reserved EXT4_*_QUOTA_INO
1151 * inodes. These inodes may or may not be in use by the quota feature.
1153 static int quota_inum_is_reserved(ext2_filsys fs, ext2_ino_t ino)
1155 enum quota_type qtype;
1157 for (qtype = 0; qtype < MAXQUOTAS; qtype++)
1158 if (quota_type2inum(qtype, fs->super) == ino)
1164 static int e2fsck_should_abort(e2fsck_t ctx)
1166 e2fsck_t global_ctx;
1168 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
1171 if (ctx->global_ctx) {
1172 global_ctx = ctx->global_ctx;
1173 if (global_ctx->flags & E2F_FLAG_SIGNAL_MASK)
1180 * We need call mark_table_blocks() before multiple
1181 * thread start, since all known system blocks should be
1182 * marked and checked later.
1184 static errcode_t e2fsck_pass1_prepare(e2fsck_t ctx)
1186 struct problem_context pctx;
1187 ext2_filsys fs = ctx->fs;
1189 clear_problem_context(&pctx);
1190 if (!(ctx->options & E2F_OPT_PREEN))
1191 fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
1193 pctx.errcode = e2fsck_allocate_subcluster_bitmap(ctx->fs,
1194 _("in-use block map"), EXT2FS_BMAP64_RBTREE,
1195 "block_found_map", &ctx->block_found_map);
1198 fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
1199 ctx->flags |= E2F_FLAG_ABORT;
1200 return pctx.errcode;
1202 pctx.errcode = e2fsck_allocate_block_bitmap(ctx->fs,
1203 _("metadata block map"), EXT2FS_BMAP64_RBTREE,
1204 "block_metadata_map", &ctx->block_metadata_map);
1207 fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
1208 ctx->flags |= E2F_FLAG_ABORT;
1209 return pctx.errcode;
1212 mark_table_blocks(ctx);
1213 pctx.errcode = ext2fs_convert_subcluster_bitmap(ctx->fs,
1214 &ctx->block_found_map);
1216 fix_problem(ctx, PR_1_CONVERT_SUBCLUSTER, &pctx);
1217 ctx->flags |= E2F_FLAG_ABORT;
1218 return pctx.errcode;
1221 if (ext2fs_has_feature_mmp(fs->super) &&
1222 fs->super->s_mmp_block > fs->super->s_first_data_block &&
1223 fs->super->s_mmp_block < ext2fs_blocks_count(fs->super))
1224 ext2fs_mark_block_bitmap2(ctx->block_found_map,
1225 fs->super->s_mmp_block);
1230 static void e2fsck_pass1_post(e2fsck_t ctx)
1232 struct problem_context pctx;
1233 ext2_filsys fs = ctx->fs;
1236 reserve_block_for_root_repair(ctx);
1237 reserve_block_for_lnf_repair(ctx);
1239 if (ctx->invalid_bitmaps)
1240 handle_fs_bad_blocks(ctx);
1242 if (ctx->flags & E2F_FLAG_RESIZE_INODE) {
1243 struct ext2_inode *inode;
1244 int inode_size = EXT2_INODE_SIZE(fs->super);
1245 inode = e2fsck_allocate_memory(ctx, inode_size,
1248 clear_problem_context(&pctx);
1249 pctx.errcode = ext2fs_create_resize_inode(fs);
1251 if (!fix_problem(ctx, PR_1_RESIZE_INODE_CREATE,
1253 ctx->flags |= E2F_FLAG_ABORT;
1254 ext2fs_free_mem(&inode);
1255 ext2fs_free_mem(&block_buf);
1260 if (!pctx.errcode) {
1261 e2fsck_read_inode(ctx, EXT2_RESIZE_INO, inode,
1263 inode->i_mtime = ctx->now;
1264 e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode,
1267 ctx->flags &= ~E2F_FLAG_RESIZE_INODE;
1268 ext2fs_free_mem(&inode);
1271 if (ctx->flags & E2F_FLAG_RESTART) {
1272 ext2fs_free_mem(&block_buf);
1276 if (ctx->block_dup_map) {
1277 if (ctx->options & E2F_OPT_PREEN) {
1278 clear_problem_context(&pctx);
1279 fix_problem(ctx, PR_1_DUP_BLOCKS_PREENSTOP, &pctx);
1282 (char *)e2fsck_allocate_memory(ctx,
1283 ctx->fs->blocksize * 3,
1284 "block interate buffer");
1285 e2fsck_pass1_dupblocks(ctx, block_buf);
1286 ext2fs_free_mem(&block_buf);
1291 void e2fsck_pass1_run(e2fsck_t ctx)
1294 ext2_filsys fs = ctx->fs;
1296 struct ext2_inode *inode = NULL;
1297 ext2_inode_scan scan = NULL;
1298 char *block_buf = NULL;
1299 #ifdef RESOURCE_TRACK
1300 struct resource_track rtrack;
1302 unsigned char frag, fsize;
1303 struct problem_context pctx;
1304 struct scan_callback_struct scan_struct;
1305 struct ext2_super_block *sb = ctx->fs->super;
1307 const char *eop_next_inode = _("getting next inode from scan");
1308 int imagic_fs, extent_fs, inlinedata_fs, casefold_fs;
1309 int low_dtime_check = 1;
1310 unsigned int inode_size = EXT2_INODE_SIZE(fs->super);
1311 unsigned int bufsize;
1312 int failed_csum = 0;
1313 ext2_ino_t ino_threshold = 0;
1314 dgrp_t ra_group = 0;
1315 struct ea_quota ea_ibody_quota;
1316 struct process_inode_block *inodes_to_process;
1317 int process_inode_count;
1319 init_resource_track(&rtrack, ctx->fs->io);
1320 clear_problem_context(&pctx);
1322 /* If we can do readahead, figure out how many groups to pull in. */
1323 if (!e2fsck_can_readahead(ctx->fs))
1324 ctx->readahead_kb = 0;
1325 else if (ctx->readahead_kb == ~0ULL)
1326 ctx->readahead_kb = e2fsck_guess_readahead(ctx->fs);
1327 pass1_readahead(ctx, &ra_group, &ino_threshold);
1329 if (ext2fs_has_feature_dir_index(fs->super) &&
1330 !(ctx->options & E2F_OPT_NO)) {
1331 if (ext2fs_u32_list_create(&ctx->dirs_to_hash, 50))
1332 ctx->dirs_to_hash = 0;
1336 mtrace_print("Pass 1");
1339 imagic_fs = ext2fs_has_feature_imagic_inodes(sb);
1340 extent_fs = ext2fs_has_feature_extents(sb);
1341 inlinedata_fs = ext2fs_has_feature_inline_data(sb);
1342 casefold_fs = ext2fs_has_feature_casefold(sb);
1345 * Allocate bitmaps structures
1347 pctx.errcode = e2fsck_allocate_inode_bitmap(fs, _("in-use inode map"),
1348 EXT2FS_BMAP64_RBTREE,
1350 &ctx->inode_used_map);
1353 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
1354 ctx->flags |= E2F_FLAG_ABORT;
1357 pctx.errcode = e2fsck_allocate_inode_bitmap(fs,
1358 _("directory inode map"),
1359 ctx->global_ctx ? EXT2FS_BMAP64_RBTREE :
1360 EXT2FS_BMAP64_AUTODIR,
1361 "inode_dir_map", &ctx->inode_dir_map);
1364 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
1365 ctx->flags |= E2F_FLAG_ABORT;
1368 pctx.errcode = e2fsck_allocate_inode_bitmap(fs,
1369 _("regular file inode map"), EXT2FS_BMAP64_RBTREE,
1370 "inode_reg_map", &ctx->inode_reg_map);
1373 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
1374 ctx->flags |= E2F_FLAG_ABORT;
1379 e2fsck_allocate_inode_bitmap(fs,
1380 _("inode casefold map"),
1381 EXT2FS_BMAP64_RBTREE,
1382 "inode_casefold_map",
1383 &ctx->inode_casefold_map);
1386 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
1387 ctx->flags |= E2F_FLAG_ABORT;
1391 pctx.errcode = e2fsck_setup_icount(ctx, "inode_link_info", 0, NULL,
1392 &ctx->inode_link_info);
1394 fix_problem(ctx, PR_1_ALLOCATE_ICOUNT, &pctx);
1395 ctx->flags |= E2F_FLAG_ABORT;
1398 bufsize = inode_size;
1399 if (bufsize < sizeof(struct ext2_inode_large))
1400 bufsize = sizeof(struct ext2_inode_large);
1401 inode = (struct ext2_inode *)
1402 e2fsck_allocate_memory(ctx, bufsize, "scratch inode");
1404 inodes_to_process = (struct process_inode_block *)
1405 e2fsck_allocate_memory(ctx,
1406 (ctx->process_inode_size *
1407 sizeof(struct process_inode_block)),
1408 "array of inodes to process");
1409 process_inode_count = 0;
1411 pctx.errcode = ext2fs_init_dblist(fs, 0);
1413 fix_problem(ctx, PR_1_ALLOCATE_DBCOUNT, &pctx);
1414 ctx->flags |= E2F_FLAG_ABORT;
1419 * If the last orphan field is set, clear it, since the pass1
1420 * processing will automatically find and clear the orphans.
1421 * In the future, we may want to try using the last_orphan
1422 * linked list ourselves, but for now, we clear it so that the
1423 * ext3 mount code won't get confused.
1425 if (!(ctx->options & E2F_OPT_READONLY)) {
1426 if (fs->super->s_last_orphan) {
1427 fs->super->s_last_orphan = 0;
1428 ext2fs_mark_super_dirty(fs);
1432 block_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize * 3,
1433 "block interate buffer");
1434 if (EXT2_INODE_SIZE(fs->super) == EXT2_GOOD_OLD_INODE_SIZE)
1435 e2fsck_use_inode_shortcuts(ctx, 1);
1436 e2fsck_intercept_block_allocations(ctx);
1437 old_op = ehandler_operation(_("opening inode scan"));
1438 pctx.errcode = ext2fs_open_inode_scan(fs, ctx->inode_buffer_blocks,
1440 ehandler_operation(old_op);
1442 fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
1443 ctx->flags |= E2F_FLAG_ABORT;
1446 ext2fs_inode_scan_flags(scan, EXT2_SF_SKIP_MISSING_ITABLE |
1447 EXT2_SF_WARN_GARBAGE_INODES, 0);
1448 ctx->stashed_inode = inode;
1449 scan_struct.ctx = ctx;
1450 scan_struct.block_buf = block_buf;
1451 scan_struct.inodes_to_process = inodes_to_process;
1452 scan_struct.process_inode_count = &process_inode_count;
1453 ext2fs_set_inode_callback(scan, scan_callback, &scan_struct);
1454 if (ctx->progress && ((ctx->progress)(ctx, 1, 0,
1455 ctx->fs->group_desc_count)))
1457 if ((fs->super->s_wtime &&
1458 fs->super->s_wtime < fs->super->s_inodes_count) ||
1459 (fs->super->s_mtime &&
1460 fs->super->s_mtime < fs->super->s_inodes_count) ||
1461 (fs->super->s_mkfs_time &&
1462 fs->super->s_mkfs_time < fs->super->s_inodes_count))
1463 low_dtime_check = 0;
1465 /* Set up ctx->lost_and_found if possible */
1466 (void) e2fsck_get_lost_and_found(ctx, 0);
1469 if (ctx->global_ctx) {
1470 if (ctx->options & E2F_OPT_DEBUG &&
1471 ctx->options & E2F_OPT_MULTITHREAD)
1472 fprintf(stderr, "thread %d jumping to group %d\n",
1473 ctx->thread_info.et_thread_index,
1474 ctx->thread_info.et_group_start);
1475 pctx.errcode = ext2fs_inode_scan_goto_blockgroup(scan,
1476 ctx->thread_info.et_group_start);
1478 fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
1479 ctx->flags |= E2F_FLAG_ABORT;
1486 if (ino % (fs->super->s_inodes_per_group * 4) == 1) {
1487 if (e2fsck_mmp_update(fs))
1488 fatal_error(ctx, 0);
1490 old_op = ehandler_operation(eop_next_inode);
1491 pctx.errcode = ext2fs_get_next_inode_full(scan, &ino,
1493 if (ino > ino_threshold)
1494 pass1_readahead(ctx, &ra_group, &ino_threshold);
1495 ehandler_operation(old_op);
1496 if (e2fsck_should_abort(ctx))
1498 if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
1500 * If badblocks says badblocks is bad, offer to clear
1501 * the list, update the in-core bb list, and restart
1504 if (ino == EXT2_BAD_INO &&
1505 fix_problem(ctx, PR_1_BADBLOCKS_IN_BADBLOCKS,
1509 e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
1510 ext2fs_badblocks_list_free(ctx->fs->badblocks);
1511 ctx->fs->badblocks = NULL;
1512 err = ext2fs_read_bb_inode(ctx->fs,
1513 &ctx->fs->badblocks);
1515 fix_problem(ctx, PR_1_ISCAN_ERROR,
1517 ctx->flags |= E2F_FLAG_ABORT;
1519 ctx->flags |= E2F_FLAG_RESTART;
1522 if (!ctx->inode_bb_map)
1524 ext2fs_mark_inode_bitmap2(ctx->inode_bb_map, ino);
1525 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1528 if (pctx.errcode == EXT2_ET_SCAN_FINISHED)
1531 pctx.errcode != EXT2_ET_INODE_CSUM_INVALID &&
1532 pctx.errcode != EXT2_ET_INODE_IS_GARBAGE) {
1533 fix_problem(ctx, PR_1_ISCAN_ERROR, &pctx);
1534 ctx->flags |= E2F_FLAG_ABORT;
1540 if (ctx->global_ctx)
1541 ctx->thread_info.et_inode_number++;
1545 ctx->stashed_ino = ino;
1547 /* Clear trashed inode? */
1548 if (pctx.errcode == EXT2_ET_INODE_IS_GARBAGE &&
1549 inode->i_links_count > 0 &&
1550 fix_problem(ctx, PR_1_INODE_IS_GARBAGE, &pctx)) {
1552 e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
1554 failed_csum = pctx.errcode != 0;
1557 * Check for inodes who might have been part of the
1558 * orphaned list linked list. They should have gotten
1559 * dealt with by now, unless the list had somehow been
1562 * FIXME: In the future, inodes which are still in use
1563 * (and which are therefore) pending truncation should
1564 * be handled specially. Right now we just clear the
1565 * dtime field, and the normal e2fsck handling of
1566 * inodes where i_size and the inode blocks are
1567 * inconsistent is to fix i_size, instead of releasing
1568 * the extra blocks. This won't catch the inodes that
1569 * was at the end of the orphan list, but it's better
1570 * than nothing. The right answer is that there
1571 * shouldn't be any bugs in the orphan list handling. :-)
1573 if (inode->i_dtime && low_dtime_check &&
1574 inode->i_dtime < ctx->fs->super->s_inodes_count) {
1575 if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
1576 inode->i_dtime = inode->i_links_count ?
1578 e2fsck_write_inode(ctx, ino, inode,
1584 if (inode->i_links_count) {
1585 pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
1586 ino, inode->i_links_count);
1588 pctx.num = inode->i_links_count;
1589 fix_problem(ctx, PR_1_ICOUNT_STORE, &pctx);
1590 ctx->flags |= E2F_FLAG_ABORT;
1593 } else if ((ino >= EXT2_FIRST_INODE(fs->super)) &&
1594 !quota_inum_is_reserved(fs, ino)) {
1595 if (!inode->i_dtime && inode->i_mode) {
1596 if (fix_problem(ctx,
1597 PR_1_ZERO_DTIME, &pctx)) {
1598 inode->i_dtime = ctx->now;
1599 e2fsck_write_inode(ctx, ino, inode,
1604 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1608 if ((inode->i_flags & EXT4_CASEFOLD_FL) &&
1609 ((!LINUX_S_ISDIR(inode->i_mode) &&
1610 fix_problem(ctx, PR_1_CASEFOLD_NONDIR, &pctx)) ||
1612 fix_problem(ctx, PR_1_CASEFOLD_FEATURE, &pctx)))) {
1613 inode->i_flags &= ~EXT4_CASEFOLD_FL;
1614 e2fsck_write_inode(ctx, ino, inode, "pass1");
1617 /* Conflicting inlinedata/extents inode flags? */
1618 if ((inode->i_flags & EXT4_INLINE_DATA_FL) &&
1619 (inode->i_flags & EXT4_EXTENTS_FL)) {
1620 int res = fix_inline_data_extents_file(ctx, ino, inode,
1624 /* skip FINISH_INODE_LOOP */
1629 /* Test for incorrect inline_data flags settings. */
1630 if ((inode->i_flags & EXT4_INLINE_DATA_FL) && !inlinedata_fs &&
1631 (ino >= EXT2_FIRST_INODE(fs->super))) {
1634 pctx.errcode = get_inline_data_ea_size(fs, ino, &size);
1635 if (!pctx.errcode &&
1636 fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
1637 e2fsck_pass1_fix_lock(ctx);
1638 ext2fs_set_feature_inline_data(sb);
1639 ext2fs_mark_super_dirty(fs);
1640 e2fsck_pass1_fix_unlock(ctx);
1642 } else if (fix_problem(ctx, PR_1_INLINE_DATA_SET, &pctx)) {
1643 e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
1644 /* skip FINISH_INODE_LOOP */
1649 /* Test for inline data flag but no attr */
1650 if ((inode->i_flags & EXT4_INLINE_DATA_FL) && inlinedata_fs &&
1651 (ino >= EXT2_FIRST_INODE(fs->super))) {
1658 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
1659 err = get_inline_data_ea_size(fs, ino, &size);
1660 fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
1661 (fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
1665 /* Everything is awesome... */
1667 case EXT2_ET_BAD_EA_BLOCK_NUM:
1668 case EXT2_ET_BAD_EA_HASH:
1669 case EXT2_ET_BAD_EA_HEADER:
1670 case EXT2_ET_EA_BAD_NAME_LEN:
1671 case EXT2_ET_EA_BAD_VALUE_SIZE:
1672 case EXT2_ET_EA_KEY_NOT_FOUND:
1673 case EXT2_ET_EA_NO_SPACE:
1674 case EXT2_ET_MISSING_EA_FEATURE:
1675 case EXT2_ET_INLINE_DATA_CANT_ITERATE:
1676 case EXT2_ET_INLINE_DATA_NO_BLOCK:
1677 case EXT2_ET_INLINE_DATA_NO_SPACE:
1678 case EXT2_ET_NO_INLINE_DATA:
1679 case EXT2_ET_EXT_ATTR_CSUM_INVALID:
1680 case EXT2_ET_EA_BAD_VALUE_OFFSET:
1681 case EXT2_ET_EA_INODE_CORRUPTED:
1682 /* broken EA or no system.data EA; truncate */
1683 if (fix_problem(ctx, PR_1_INLINE_DATA_NO_ATTR,
1685 err = ext2fs_inode_size_set(fs, inode, 0);
1688 ctx->flags |= E2F_FLAG_ABORT;
1691 inode->i_flags &= ~EXT4_INLINE_DATA_FL;
1692 memset(&inode->i_block, 0,
1693 sizeof(inode->i_block));
1694 e2fsck_write_inode(ctx, ino, inode,
1700 /* Some other kind of non-xattr error? */
1702 ctx->flags |= E2F_FLAG_ABORT;
1708 * Test for incorrect extent flag settings.
1710 * On big-endian machines we must be careful:
1711 * When the inode is read, the i_block array is not swapped
1712 * if the extent flag is set. Therefore if we are testing
1713 * for or fixing a wrongly-set flag, we must potentially
1714 * (un)swap before testing, or after fixing.
1718 * In this case the extents flag was set when read, so
1719 * extent_header_verify is ok. If the inode is cleared,
1720 * no need to swap... so no extra swapping here.
1722 if ((inode->i_flags & EXT4_EXTENTS_FL) && !extent_fs &&
1723 (inode->i_links_count || (ino == EXT2_BAD_INO) ||
1724 (ino == EXT2_ROOT_INO) || (ino == EXT2_JOURNAL_INO))) {
1725 if ((ext2fs_extent_header_verify(inode->i_block,
1726 sizeof(inode->i_block)) == 0) &&
1727 fix_problem(ctx, PR_1_EXTENT_FEATURE, &pctx)) {
1728 e2fsck_pass1_fix_lock(ctx);
1729 ext2fs_set_feature_extents(sb);
1730 ext2fs_mark_super_dirty(fs);
1732 e2fsck_pass1_fix_unlock(ctx);
1733 } else if (fix_problem(ctx, PR_1_EXTENTS_SET, &pctx)) {
1735 e2fsck_clear_inode(ctx, ino, inode, 0, "pass1");
1736 if (ino == EXT2_BAD_INO)
1737 ext2fs_mark_inode_bitmap2(ctx->inode_used_map,
1739 /* skip FINISH_INODE_LOOP */
1745 * For big-endian machines:
1746 * If the inode didn't have the extents flag set when it
1747 * was read, then the i_blocks array was swapped. To test
1748 * as an extents header, we must swap it back first.
1749 * IF we then set the extents flag, the entire i_block
1750 * array must be un/re-swapped to make it proper extents data.
1752 if (extent_fs && !(inode->i_flags & EXT4_EXTENTS_FL) &&
1753 (inode->i_links_count || (ino == EXT2_BAD_INO) ||
1754 (ino == EXT2_ROOT_INO) || (ino == EXT2_JOURNAL_INO)) &&
1755 (LINUX_S_ISREG(inode->i_mode) ||
1756 LINUX_S_ISDIR(inode->i_mode))) {
1758 #ifdef WORDS_BIGENDIAN
1759 __u32 tmp_block[EXT2_N_BLOCKS];
1761 for (i = 0; i < EXT2_N_BLOCKS; i++)
1762 tmp_block[i] = ext2fs_swab32(inode->i_block[i]);
1765 ehp = inode->i_block;
1767 if ((ext2fs_extent_header_verify(ehp,
1768 sizeof(inode->i_block)) == 0) &&
1769 (fix_problem(ctx, PR_1_UNSET_EXTENT_FL, &pctx))) {
1770 inode->i_flags |= EXT4_EXTENTS_FL;
1771 #ifdef WORDS_BIGENDIAN
1772 memcpy(inode->i_block, tmp_block,
1773 sizeof(inode->i_block));
1775 e2fsck_write_inode(ctx, ino, inode, "pass1");
1780 if (ino == EXT2_BAD_INO) {
1781 struct process_block_struct pb;
1783 if ((failed_csum || inode->i_mode || inode->i_uid ||
1784 inode->i_gid || inode->i_links_count ||
1785 (inode->i_flags & EXT4_INLINE_DATA_FL) ||
1786 inode->i_file_acl) &&
1787 fix_problem(ctx, PR_1_INVALID_BAD_INODE, &pctx)) {
1788 memset(inode, 0, sizeof(struct ext2_inode));
1789 e2fsck_write_inode(ctx, ino, inode,
1794 e2fsck_pass1_block_map_lock(ctx);
1795 pctx.errcode = ext2fs_copy_bitmap(ctx->block_found_map,
1796 &pb.fs_meta_blocks);
1797 e2fsck_pass1_block_map_unlock(ctx);
1800 fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, &pctx);
1801 ctx->flags |= E2F_FLAG_ABORT;
1804 pb.ino = EXT2_BAD_INO;
1805 pb.num_blocks = pb.last_block = 0;
1806 pb.last_db_block = -1;
1807 pb.num_illegal_blocks = 0;
1808 pb.suppress = 0; pb.clear = 0; pb.is_dir = 0;
1809 pb.is_reg = 0; pb.fragmented = 0; pb.bbcheck = 0;
1813 pctx.errcode = ext2fs_block_iterate3(fs, ino, 0,
1814 block_buf, process_bad_block, &pb);
1815 ext2fs_free_block_bitmap(pb.fs_meta_blocks);
1817 fix_problem(ctx, PR_1_BLOCK_ITERATE, &pctx);
1818 ctx->flags |= E2F_FLAG_ABORT;
1822 if (!fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK_PROMPT, &pctx)) {
1823 ctx->flags |= E2F_FLAG_ABORT;
1826 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1827 clear_problem_context(&pctx);
1828 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1830 } else if (ino == EXT2_ROOT_INO) {
1832 * Make sure the root inode is a directory; if
1833 * not, offer to clear it. It will be
1834 * regenerated in pass #3.
1836 if (!LINUX_S_ISDIR(inode->i_mode)) {
1837 if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx))
1841 * If dtime is set, offer to clear it. mke2fs
1842 * version 0.2b created filesystems with the
1843 * dtime field set for the root and lost+found
1844 * directories. We won't worry about
1845 * /lost+found, since that can be regenerated
1846 * easily. But we will fix the root directory
1847 * as a special case.
1849 if (inode->i_dtime && inode->i_links_count) {
1850 if (fix_problem(ctx, PR_1_ROOT_DTIME, &pctx)) {
1852 e2fsck_write_inode(ctx, ino, inode,
1857 } else if (ino == EXT2_JOURNAL_INO) {
1858 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1859 if (fs->super->s_journal_inum == EXT2_JOURNAL_INO) {
1860 if (!LINUX_S_ISREG(inode->i_mode) &&
1861 fix_problem(ctx, PR_1_JOURNAL_BAD_MODE,
1863 inode->i_mode = LINUX_S_IFREG;
1864 e2fsck_write_inode(ctx, ino, inode,
1868 check_blocks(ctx, &pctx, block_buf, NULL);
1869 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1872 if ((inode->i_links_count ||
1873 inode->i_blocks || inode->i_block[0]) &&
1874 fix_problem(ctx, PR_1_JOURNAL_INODE_NOT_CLEAR,
1876 memset(inode, 0, inode_size);
1877 ext2fs_icount_store(ctx->inode_link_info,
1879 e2fsck_write_inode_full(ctx, ino, inode,
1880 inode_size, "pass1");
1883 } else if (quota_inum_is_reserved(fs, ino)) {
1884 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1885 if (ext2fs_has_feature_quota(fs->super) &&
1886 quota_inum_is_super(fs->super, ino)) {
1887 if (!LINUX_S_ISREG(inode->i_mode) &&
1888 fix_problem(ctx, PR_1_QUOTA_BAD_MODE,
1890 inode->i_mode = LINUX_S_IFREG;
1891 e2fsck_write_inode(ctx, ino, inode,
1895 check_blocks(ctx, &pctx, block_buf, NULL);
1896 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1899 if ((inode->i_links_count ||
1900 inode->i_blocks || inode->i_block[0]) &&
1901 fix_problem(ctx, PR_1_QUOTA_INODE_NOT_CLEAR,
1903 memset(inode, 0, inode_size);
1904 ext2fs_icount_store(ctx->inode_link_info,
1906 e2fsck_write_inode_full(ctx, ino, inode,
1907 inode_size, "pass1");
1910 } else if (ino < EXT2_FIRST_INODE(fs->super)) {
1911 problem_t problem = 0;
1913 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1914 if (ino == EXT2_BOOT_LOADER_INO) {
1915 if (LINUX_S_ISDIR(inode->i_mode))
1916 problem = PR_1_RESERVED_BAD_MODE;
1917 } else if (ino == EXT2_RESIZE_INO) {
1918 if (inode->i_mode &&
1919 !LINUX_S_ISREG(inode->i_mode))
1920 problem = PR_1_RESERVED_BAD_MODE;
1922 if (inode->i_mode != 0)
1923 problem = PR_1_RESERVED_BAD_MODE;
1926 if (fix_problem(ctx, problem, &pctx)) {
1928 e2fsck_write_inode(ctx, ino, inode,
1933 check_blocks(ctx, &pctx, block_buf, NULL);
1934 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1938 if (!inode->i_links_count) {
1939 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
1943 * n.b. 0.3c ext2fs code didn't clear i_links_count for
1944 * deleted files. Oops.
1946 * Since all new ext2 implementations get this right,
1947 * we now assume that the case of non-zero
1948 * i_links_count and non-zero dtime means that we
1949 * should keep the file, not delete it.
1952 if (inode->i_dtime) {
1953 if (fix_problem(ctx, PR_1_SET_DTIME, &pctx)) {
1955 e2fsck_write_inode(ctx, ino, inode, "pass1");
1960 ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
1961 switch (fs->super->s_creator_os) {
1963 frag = inode->osd2.hurd2.h_i_frag;
1964 fsize = inode->osd2.hurd2.h_i_fsize;
1970 if (inode->i_faddr || frag || fsize ||
1971 (!ext2fs_has_feature_largedir(fs->super) &&
1972 (LINUX_S_ISDIR(inode->i_mode) && inode->i_size_high)))
1973 mark_inode_bad(ctx, ino);
1974 if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
1975 !ext2fs_has_feature_64bit(fs->super) &&
1976 inode->osd2.linux2.l_i_file_acl_high != 0)
1977 mark_inode_bad(ctx, ino);
1978 if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
1979 !ext2fs_has_feature_huge_file(fs->super) &&
1980 (inode->osd2.linux2.l_i_blocks_hi != 0))
1981 mark_inode_bad(ctx, ino);
1982 if (inode->i_flags & EXT2_IMAGIC_FL) {
1984 if (!ctx->inode_imagic_map)
1985 alloc_imagic_map(ctx);
1986 ext2fs_mark_inode_bitmap2(ctx->inode_imagic_map,
1989 if (fix_problem(ctx, PR_1_SET_IMAGIC, &pctx)) {
1990 inode->i_flags &= ~EXT2_IMAGIC_FL;
1991 e2fsck_write_inode(ctx, ino,
1998 check_inode_extra_space(ctx, &pctx, &ea_ibody_quota);
1999 check_is_really_dir(ctx, &pctx, block_buf);
2002 * ext2fs_inode_has_valid_blocks2 does not actually look
2003 * at i_block[] values, so not endian-sensitive here.
2005 if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL) &&
2006 LINUX_S_ISLNK(inode->i_mode) &&
2007 !ext2fs_inode_has_valid_blocks2(fs, inode) &&
2008 fix_problem(ctx, PR_1_FAST_SYMLINK_EXTENT_FL, &pctx)) {
2009 inode->i_flags &= ~EXT4_EXTENTS_FL;
2010 e2fsck_write_inode(ctx, ino, inode, "pass1");
2014 if ((inode->i_flags & EXT4_ENCRYPT_FL) &&
2015 add_encrypted_file(ctx, &pctx) < 0)
2018 if (casefold_fs && inode->i_flags & EXT4_CASEFOLD_FL)
2019 ext2fs_mark_inode_bitmap2(ctx->inode_casefold_map, ino);
2021 if (LINUX_S_ISDIR(inode->i_mode)) {
2022 ext2fs_mark_inode_bitmap2(ctx->inode_dir_map, ino);
2023 e2fsck_add_dir_info(ctx, ino, 0);
2024 ctx->fs_directory_count++;
2025 if (inode->i_flags & EXT4_CASEFOLD_FL)
2026 add_casefolded_dir(ctx, ino);
2027 } else if (LINUX_S_ISREG (inode->i_mode)) {
2028 ext2fs_mark_inode_bitmap2(ctx->inode_reg_map, ino);
2029 ctx->fs_regular_count++;
2030 } else if (LINUX_S_ISCHR (inode->i_mode) &&
2031 e2fsck_pass1_check_device_inode(fs, inode)) {
2032 check_extents_inlinedata(ctx, &pctx);
2033 check_immutable(ctx, &pctx);
2034 check_size(ctx, &pctx);
2035 ctx->fs_chardev_count++;
2036 } else if (LINUX_S_ISBLK (inode->i_mode) &&
2037 e2fsck_pass1_check_device_inode(fs, inode)) {
2038 check_extents_inlinedata(ctx, &pctx);
2039 check_immutable(ctx, &pctx);
2040 check_size(ctx, &pctx);
2041 ctx->fs_blockdev_count++;
2042 } else if (LINUX_S_ISLNK (inode->i_mode) &&
2043 e2fsck_pass1_check_symlink(fs, ino, inode,
2045 check_immutable(ctx, &pctx);
2046 ctx->fs_symlinks_count++;
2047 if (inode->i_flags & EXT4_INLINE_DATA_FL) {
2048 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
2050 } else if (ext2fs_is_fast_symlink(inode)) {
2051 ctx->fs_fast_symlinks_count++;
2052 check_blocks(ctx, &pctx, block_buf,
2054 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
2058 else if (LINUX_S_ISFIFO (inode->i_mode) &&
2059 e2fsck_pass1_check_device_inode(fs, inode)) {
2060 check_extents_inlinedata(ctx, &pctx);
2061 check_immutable(ctx, &pctx);
2062 check_size(ctx, &pctx);
2063 ctx->fs_fifo_count++;
2064 } else if ((LINUX_S_ISSOCK (inode->i_mode)) &&
2065 e2fsck_pass1_check_device_inode(fs, inode)) {
2066 check_extents_inlinedata(ctx, &pctx);
2067 check_immutable(ctx, &pctx);
2068 check_size(ctx, &pctx);
2069 ctx->fs_sockets_count++;
2071 mark_inode_bad(ctx, ino);
2072 if (!(inode->i_flags & EXT4_EXTENTS_FL) &&
2073 !(inode->i_flags & EXT4_INLINE_DATA_FL)) {
2074 if (inode->i_block[EXT2_IND_BLOCK])
2075 ctx->fs_ind_count++;
2076 if (inode->i_block[EXT2_DIND_BLOCK])
2077 ctx->fs_dind_count++;
2078 if (inode->i_block[EXT2_TIND_BLOCK])
2079 ctx->fs_tind_count++;
2081 if (!(inode->i_flags & EXT4_EXTENTS_FL) &&
2082 !(inode->i_flags & EXT4_INLINE_DATA_FL) &&
2083 (inode->i_block[EXT2_IND_BLOCK] ||
2084 inode->i_block[EXT2_DIND_BLOCK] ||
2085 inode->i_block[EXT2_TIND_BLOCK] ||
2086 ext2fs_file_acl_block(fs, inode))) {
2087 struct process_inode_block *itp;
2089 itp = &inodes_to_process[process_inode_count];
2091 itp->ea_ibody_quota = ea_ibody_quota;
2092 if (inode_size < sizeof(struct ext2_inode_large))
2093 memcpy(&itp->inode, inode, inode_size);
2095 memcpy(&itp->inode, inode, sizeof(itp->inode));
2096 process_inode_count++;
2098 check_blocks(ctx, &pctx, block_buf, &ea_ibody_quota);
2100 FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
2102 if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
2105 if (process_inode_count >= ctx->process_inode_size) {
2106 process_inodes(ctx, block_buf, inodes_to_process,
2107 &process_inode_count);
2109 if (e2fsck_should_abort(ctx))
2113 process_inodes(ctx, block_buf, inodes_to_process,
2114 &process_inode_count);
2115 ext2fs_close_inode_scan(scan);
2119 * If any extended attribute blocks' reference counts need to
2120 * be adjusted, either up (ctx->refcount_extra), or down
2121 * (ctx->refcount), then fix them.
2123 if (ctx->refcount) {
2124 adjust_extattr_refcount(ctx, ctx->refcount, block_buf, -1);
2125 ea_refcount_free(ctx->refcount);
2128 if (ctx->refcount_extra) {
2129 adjust_extattr_refcount(ctx, ctx->refcount_extra,
2131 ea_refcount_free(ctx->refcount_extra);
2132 ctx->refcount_extra = 0;
2135 if (ctx->ea_block_quota_blocks) {
2136 ea_refcount_free(ctx->ea_block_quota_blocks);
2137 ctx->ea_block_quota_blocks = 0;
2140 if (ctx->ea_block_quota_inodes) {
2141 ea_refcount_free(ctx->ea_block_quota_inodes);
2142 ctx->ea_block_quota_inodes = 0;
2146 /* We don't need the block_ea_map any more */
2147 if (ctx->block_ea_map) {
2148 ext2fs_free_block_bitmap(ctx->block_ea_map);
2149 ctx->block_ea_map = 0;
2152 /* We don't need the encryption policy => ID map any more */
2153 destroy_encryption_policy_map(ctx);
2155 if (ctx->flags & E2F_FLAG_RESTART) {
2157 * Only the master copy of the superblock and block
2158 * group descriptors are going to be written during a
2159 * restart, so set the superblock to be used to be the
2160 * master superblock.
2162 ctx->use_superblock = 0;
2166 if (ctx->large_dirs && !ext2fs_has_feature_largedir(ctx->fs->super)) {
2167 ext2_filsys fs = ctx->fs;
2169 if (fix_problem(ctx, PR_2_FEATURE_LARGE_DIRS, &pctx)) {
2170 ext2fs_set_feature_largedir(fs->super);
2171 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
2172 ext2fs_mark_super_dirty(fs);
2174 if (fs->super->s_rev_level == EXT2_GOOD_OLD_REV &&
2175 fix_problem(ctx, PR_1_FS_REV_LEVEL, &pctx)) {
2176 ext2fs_update_dynamic_rev(fs);
2177 ext2fs_mark_super_dirty(fs);
2181 ctx->flags |= E2F_FLAG_ALLOC_OK;
2183 e2fsck_use_inode_shortcuts(ctx, 0);
2184 ext2fs_free_mem(&inodes_to_process);
2185 inodes_to_process = 0;
2188 ext2fs_close_inode_scan(scan);
2190 ext2fs_free_mem(&block_buf);
2192 ext2fs_free_mem(&inode);
2195 * The l+f inode may have been cleared, so zap it now and
2196 * later passes will recalculate it if necessary
2198 ctx->lost_and_found = 0;
2200 if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
2201 print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
2203 ctx->invalid_bitmaps++;
2206 static void init_ext2_max_sizes()
2212 * Init ext2_max_sizes which will be immutable and shared between
2215 #define EXT2_BPP(bits) (1ULL << ((bits) - 2))
2217 for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
2218 max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
2219 max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
2220 max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
2221 max_sizes = (max_sizes * (1UL << i));
2222 ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
2228 static errcode_t e2fsck_pass1_copy_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
2229 ext2fs_generic_bitmap *dest)
2233 ret = ext2fs_copy_bitmap(*src, dest);
2242 static void e2fsck_pass1_free_bitmap(ext2fs_generic_bitmap *bitmap)
2245 ext2fs_free_generic_bmap(*bitmap);
2251 static errcode_t e2fsck_pass1_merge_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
2252 ext2fs_generic_bitmap *dest)
2257 if (*dest == NULL) {
2261 ret = ext2fs_merge_bitmap(*src, *dest, NULL, NULL);
2271 static errcode_t e2fsck_pass1_copy_fs(ext2_filsys dest, e2fsck_t src_context,
2276 memcpy(dest, src, sizeof(struct struct_ext2_filsys));
2277 dest->inode_map = NULL;
2278 dest->block_map = NULL;
2279 dest->badblocks = NULL;
2281 dest->dblist->fs = dest;
2282 if (src->block_map) {
2283 retval = e2fsck_pass1_copy_bitmap(dest, &src->block_map,
2288 if (src->inode_map) {
2289 retval = e2fsck_pass1_copy_bitmap(dest, &src->inode_map,
2295 if (src->badblocks) {
2296 retval = ext2fs_badblocks_copy(src->badblocks,
2302 /* disable it for now */
2303 src_context->openfs_flags &= ~EXT2_FLAG_EXCLUSIVE;
2304 retval = ext2fs_open_channel(dest, src_context->io_options,
2305 src_context->io_manager,
2306 src_context->openfs_flags,
2307 src->io->block_size);
2311 /* Block size might not be default */
2312 io_channel_set_blksize(dest->io, src->io->block_size);
2313 ehandler_init(dest->io);
2315 assert(dest->io->magic == src->io->magic);
2316 assert(dest->io->manager == src->io->manager);
2317 assert(strcmp(dest->io->name, src->io->name) == 0);
2318 assert(dest->io->block_size == src->io->block_size);
2319 assert(dest->io->read_error == src->io->read_error);
2320 assert(dest->io->write_error == src->io->write_error);
2321 assert(dest->io->refcount == src->io->refcount);
2322 assert(dest->io->flags == src->io->flags);
2323 assert(dest->io->app_data == dest);
2324 assert(src->io->app_data == src);
2325 assert(dest->io->align == src->io->align);
2327 /* The data should be written to disk immediately */
2328 dest->io->flags |= CHANNEL_FLAGS_WRITETHROUGH;
2329 /* icache will be rebuilt if needed, so do not copy from @src */
2334 static int e2fsck_pass1_merge_fs(ext2_filsys dest, ext2_filsys src)
2336 struct ext2_inode_cache *icache = dest->icache;
2337 errcode_t retval = 0;
2339 io_channel dest_image_io;
2340 ext2fs_inode_bitmap inode_map;
2341 ext2fs_block_bitmap block_map;
2342 ext2_badblocks_list badblocks;
2347 dest_image_io = dest->image_io;
2348 inode_map = dest->inode_map;
2349 block_map = dest->block_map;
2350 badblocks = dest->badblocks;
2351 dblist = dest->dblist;
2352 flags = dest->flags;
2354 memcpy(dest, src, sizeof(struct struct_ext2_filsys));
2356 dest->image_io = dest_image_io;
2357 dest->icache = icache;
2358 dest->inode_map = inode_map;
2359 dest->block_map = block_map;
2360 dest->badblocks = badblocks;
2361 dest->dblist = dblist;
2363 dest->dblist->fs = dest;
2364 dest->flags = src->flags | flags;
2365 if (!(src->flags & EXT2_FLAG_VALID) || !(flags & EXT2_FLAG_VALID))
2366 ext2fs_unmark_valid(dest);
2369 ext2fs_free_inode_cache(src->icache);
2373 retval = e2fsck_pass1_merge_bitmap(dest, &src->inode_map,
2378 retval = e2fsck_pass1_merge_bitmap(dest, &src->block_map,
2385 retval = ext2fs_merge_dblist(src->dblist,
2390 dest->dblist = src->dblist;
2391 dest->dblist->fs = dest;
2396 if (src->badblocks) {
2397 if (dest->badblocks == NULL)
2398 retval = ext2fs_badblocks_copy(src->badblocks,
2401 retval = ext2fs_badblocks_merge(src->badblocks,
2405 io_channel_close(src->io);
2407 ext2fs_free_generic_bmap(src->inode_map);
2409 ext2fs_free_generic_bmap(src->block_map);
2411 ext2fs_badblocks_list_free(src->badblocks);
2413 ext2fs_free_dblist(src->dblist);
2418 static void e2fsck_pass1_copy_invalid_bitmaps(e2fsck_t global_ctx,
2419 e2fsck_t thread_ctx)
2422 dgrp_t grp_start = thread_ctx->thread_info.et_group_start;
2423 dgrp_t grp_end = thread_ctx->thread_info.et_group_end;
2424 dgrp_t total = grp_end - grp_start;
2426 thread_ctx->invalid_inode_bitmap_flag =
2427 e2fsck_allocate_memory(global_ctx, sizeof(int) * total,
2428 "invalid_inode_bitmap");
2429 thread_ctx->invalid_block_bitmap_flag =
2430 e2fsck_allocate_memory(global_ctx, sizeof(int) * total,
2431 "invalid_block_bitmap");
2432 thread_ctx->invalid_inode_table_flag =
2433 e2fsck_allocate_memory(global_ctx, sizeof(int) * total,
2434 "invalid_inode_table");
2436 memcpy(thread_ctx->invalid_block_bitmap_flag,
2437 &global_ctx->invalid_block_bitmap_flag[grp_start],
2438 total * sizeof(int));
2439 memcpy(thread_ctx->invalid_inode_bitmap_flag,
2440 &global_ctx->invalid_inode_bitmap_flag[grp_start],
2441 total * sizeof(int));
2442 memcpy(thread_ctx->invalid_inode_table_flag,
2443 &global_ctx->invalid_inode_table_flag[grp_start],
2444 total * sizeof(int));
2446 thread_ctx->invalid_bitmaps = 0;
2447 for (i = grp_start, j = 0; i < grp_end; i++, j++) {
2448 if (thread_ctx->invalid_block_bitmap_flag[j])
2449 thread_ctx->invalid_bitmaps++;
2450 if (thread_ctx->invalid_inode_bitmap_flag[j])
2451 thread_ctx->invalid_bitmaps++;
2452 if (thread_ctx->invalid_inode_table_flag[j])
2453 thread_ctx->invalid_bitmaps++;
2457 static void e2fsck_pass1_merge_invalid_bitmaps(e2fsck_t global_ctx,
2458 e2fsck_t thread_ctx)
2461 dgrp_t grp_start = thread_ctx->thread_info.et_group_start;
2462 dgrp_t grp_end = thread_ctx->thread_info.et_group_end;
2463 dgrp_t total = grp_end - grp_start;
2465 memcpy(&global_ctx->invalid_block_bitmap_flag[grp_start],
2466 thread_ctx->invalid_block_bitmap_flag, total * sizeof(int));
2467 memcpy(&global_ctx->invalid_inode_bitmap_flag[grp_start],
2468 thread_ctx->invalid_inode_bitmap_flag, total * sizeof(int));
2469 memcpy(&global_ctx->invalid_inode_table_flag[grp_start],
2470 thread_ctx->invalid_inode_table_flag, total * sizeof(int));
2471 global_ctx->invalid_bitmaps += thread_ctx->invalid_bitmaps;
2474 static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thread_ctx,
2475 int thread_index, int num_threads)
2478 e2fsck_t thread_context;
2479 ext2_filsys thread_fs;
2480 ext2_filsys global_fs = global_ctx->fs;
2481 struct e2fsck_thread *tinfo;
2482 dgrp_t average_group;
2484 assert(global_ctx->inode_used_map == NULL);
2485 assert(global_ctx->inode_dir_map == NULL);
2486 assert(global_ctx->inode_bb_map == NULL);
2487 assert(global_ctx->inode_imagic_map == NULL);
2488 assert(global_ctx->inode_reg_map == NULL);
2489 assert(global_ctx->inodes_to_rebuild == NULL);
2491 assert(global_ctx->block_found_map != NULL);
2492 assert(global_ctx->block_metadata_map != NULL);
2493 assert(global_ctx->block_dup_map == NULL);
2494 assert(global_ctx->block_ea_map == NULL);
2495 assert(global_ctx->fs->dblist == NULL);
2497 retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &thread_context);
2499 com_err(global_ctx->program_name, retval, "while allocating memory");
2502 memcpy(thread_context, global_ctx, sizeof(struct e2fsck_struct));
2503 thread_context->global_ctx = global_ctx;
2505 retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &thread_fs);
2507 com_err(global_ctx->program_name, retval, "while allocating memory");
2511 io_channel_flush_cleanup(global_fs->io);
2512 retval = e2fsck_pass1_copy_fs(thread_fs, global_ctx, global_fs);
2514 com_err(global_ctx->program_name, retval, "while copying fs");
2517 thread_fs->priv_data = thread_context;
2519 thread_context->thread_info.et_thread_index = thread_index;
2520 set_up_logging(thread_context);
2523 * Distribute work to multiple threads:
2524 * Each thread work on fs->group_desc_count / nthread groups.
2526 tinfo = &thread_context->thread_info;
2527 average_group = thread_fs->group_desc_count / num_threads;
2528 if (average_group == 0)
2530 tinfo->et_group_start = average_group * thread_index;
2531 if (thread_index == num_threads - 1)
2532 tinfo->et_group_end = thread_fs->group_desc_count;
2534 tinfo->et_group_end = average_group * (thread_index + 1);
2535 tinfo->et_group_next = tinfo->et_group_start;
2536 tinfo->et_inode_number = 0;
2537 tinfo->et_log_buf[0] = '\0';
2538 tinfo->et_log_length = 0;
2539 if (thread_context->options & E2F_OPT_MULTITHREAD)
2540 log_out(thread_context, _("Scan group range [%d, %d)\n"),
2541 tinfo->et_group_start, tinfo->et_group_end);
2542 thread_context->fs = thread_fs;
2543 retval = quota_init_context(&thread_context->qctx, thread_fs, 0);
2545 com_err(global_ctx->program_name, retval,
2546 "while init quota context");
2549 *thread_ctx = thread_context;
2550 e2fsck_pass1_copy_invalid_bitmaps(global_ctx, thread_context);
2553 ext2fs_free_mem(&thread_fs);
2555 ext2fs_free_mem(&thread_context);
2559 static void e2fsck_pass1_merge_dir_info(e2fsck_t global_ctx, e2fsck_t thread_ctx)
2561 if (thread_ctx->dir_info == NULL)
2564 if (global_ctx->dir_info == NULL) {
2565 global_ctx->dir_info = thread_ctx->dir_info;
2566 thread_ctx->dir_info = NULL;
2570 e2fsck_merge_dir_info(global_ctx, thread_ctx->dir_info,
2571 global_ctx->dir_info);
2574 static void e2fsck_pass1_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx)
2576 if (thread_ctx->dx_dir_info == NULL)
2579 if (global_ctx->dx_dir_info == NULL) {
2580 global_ctx->dx_dir_info = thread_ctx->dx_dir_info;
2581 global_ctx->dx_dir_info_size = thread_ctx->dx_dir_info_size;
2582 global_ctx->dx_dir_info_count = thread_ctx->dx_dir_info_count;
2583 thread_ctx->dx_dir_info = NULL;
2587 e2fsck_merge_dx_dir(global_ctx, thread_ctx);
2590 static inline errcode_t
2591 e2fsck_pass1_merge_icount(ext2_icount_t *dest_icount,
2592 ext2_icount_t *src_icount)
2595 if (*dest_icount == NULL) {
2596 *dest_icount = *src_icount;
2601 ret = ext2fs_icount_merge(*src_icount,
2611 static errcode_t e2fsck_pass1_merge_icounts(e2fsck_t global_ctx, e2fsck_t thread_ctx)
2615 ret = e2fsck_pass1_merge_icount(&global_ctx->inode_count,
2616 &thread_ctx->inode_count);
2619 ret = e2fsck_pass1_merge_icount(&global_ctx->inode_link_info,
2620 &thread_ctx->inode_link_info);
2625 static errcode_t e2fsck_pass1_merge_dirs_to_hash(e2fsck_t global_ctx,
2626 e2fsck_t thread_ctx)
2628 errcode_t retval = 0;
2630 if (!thread_ctx->dirs_to_hash)
2633 if (!global_ctx->dirs_to_hash)
2634 retval = ext2fs_badblocks_copy(thread_ctx->dirs_to_hash,
2635 &global_ctx->dirs_to_hash);
2637 retval = ext2fs_badblocks_merge(thread_ctx->dirs_to_hash,
2638 global_ctx->dirs_to_hash);
2643 static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx)
2646 int flags = global_ctx->flags;
2647 ext2_filsys thread_fs = thread_ctx->fs;
2648 ext2_filsys global_fs = global_ctx->fs;
2649 FILE *global_logf = global_ctx->logf;
2650 FILE *global_problem_logf = global_ctx->problem_logf;
2651 ext2fs_inode_bitmap inode_bad_map = global_ctx->inode_bad_map;
2652 struct dir_info_db *dir_info = global_ctx->dir_info;
2653 struct dx_dir_info *dx_dir_info = global_ctx->dx_dir_info;
2654 ext2fs_inode_bitmap inode_used_map = global_ctx->inode_used_map;
2655 ext2fs_inode_bitmap inode_dir_map = global_ctx->inode_dir_map;
2656 ext2fs_inode_bitmap inode_bb_map = global_ctx->inode_bb_map;
2657 ext2fs_inode_bitmap inode_imagic_map = global_ctx->inode_imagic_map;
2658 ext2fs_inode_bitmap inode_reg_map = global_ctx->inode_reg_map;
2659 ext2fs_block_bitmap block_dup_map = global_ctx->block_dup_map;
2660 ext2fs_block_bitmap block_ea_map = global_ctx->block_ea_map;
2661 ext2fs_block_bitmap inodes_to_rebuild = global_ctx->inodes_to_rebuild;
2662 ext2_icount_t inode_count = global_ctx->inode_count;
2663 ext2_icount_t inode_link_info = global_ctx->inode_link_info;
2664 __u32 fs_directory_count = global_ctx->fs_directory_count;
2665 __u32 fs_regular_count = global_ctx->fs_regular_count;
2666 __u32 fs_blockdev_count = global_ctx->fs_blockdev_count;
2667 __u32 fs_chardev_count = global_ctx->fs_chardev_count;
2668 __u32 fs_links_count = global_ctx->fs_links_count;
2669 __u32 fs_symlinks_count = global_ctx->fs_symlinks_count;
2670 __u32 fs_fast_symlinks_count = global_ctx->fs_fast_symlinks_count;
2671 __u32 fs_fifo_count = global_ctx->fs_fifo_count;
2672 __u32 fs_total_count = global_ctx->fs_total_count;
2673 __u32 fs_badblocks_count = global_ctx->fs_badblocks_count;
2674 __u32 fs_sockets_count = global_ctx->fs_sockets_count;
2675 __u32 fs_ind_count = global_ctx->fs_ind_count;
2676 __u32 fs_dind_count = global_ctx->fs_dind_count;
2677 __u32 fs_tind_count = global_ctx->fs_tind_count;
2678 __u32 fs_fragmented = global_ctx->fs_fragmented;
2679 __u32 fs_fragmented_dir = global_ctx->fs_fragmented_dir;
2680 __u32 large_files = global_ctx->large_files;
2681 ext2_ino_t dx_dir_info_size = global_ctx->dx_dir_info_size;
2682 ext2_ino_t dx_dir_info_count = global_ctx->dx_dir_info_count;
2683 ext2_u32_list dirs_to_hash = global_ctx->dirs_to_hash;
2684 quota_ctx_t qctx = global_ctx->qctx;
2685 int *invalid_block_bitmap_flag = global_ctx->invalid_block_bitmap_flag;
2686 int *invalid_inode_bitmap_flag = global_ctx->invalid_inode_bitmap_flag;
2687 int *invalid_inode_table_flag = global_ctx->invalid_inode_table_flag;
2688 int invalid_bitmaps = global_ctx->invalid_bitmaps;
2690 #ifdef HAVE_SETJMP_H
2693 memcpy(old_jmp, global_ctx->abort_loc, sizeof(jmp_buf));
2695 memcpy(global_ctx, thread_ctx, sizeof(struct e2fsck_struct));
2696 #ifdef HAVE_SETJMP_H
2697 memcpy(global_ctx->abort_loc, old_jmp, sizeof(jmp_buf));
2700 global_ctx->inode_used_map = inode_used_map;
2701 global_ctx->inode_bad_map = inode_bad_map;
2702 global_ctx->inode_dir_map = inode_dir_map;
2703 global_ctx->inode_bb_map = inode_bb_map;
2704 global_ctx->inode_imagic_map = inode_imagic_map;
2705 global_ctx->inodes_to_rebuild = inodes_to_rebuild;
2706 global_ctx->inode_reg_map = inode_reg_map;
2707 global_ctx->block_ea_map = block_ea_map;
2708 global_ctx->block_dup_map = block_dup_map;
2709 global_ctx->dir_info = dir_info;
2710 e2fsck_pass1_merge_dir_info(global_ctx, thread_ctx);
2711 global_ctx->dx_dir_info = dx_dir_info;
2712 global_ctx->dx_dir_info_count = dx_dir_info_count;
2713 global_ctx->dx_dir_info_size = dx_dir_info_size;
2714 e2fsck_pass1_merge_dx_dir(global_ctx, thread_ctx);
2715 global_ctx->inode_count = inode_count;
2716 global_ctx->inode_link_info = inode_link_info;
2717 global_ctx->fs_directory_count += fs_directory_count;
2718 global_ctx->fs_regular_count += fs_regular_count;
2719 global_ctx->fs_blockdev_count += fs_blockdev_count;
2720 global_ctx->fs_chardev_count += fs_chardev_count;
2721 global_ctx->fs_links_count += fs_links_count;
2722 global_ctx->fs_symlinks_count += fs_symlinks_count;
2723 global_ctx->fs_fast_symlinks_count += fs_fast_symlinks_count;
2724 global_ctx->fs_fifo_count += fs_fifo_count;
2725 global_ctx->fs_total_count += fs_total_count;
2726 global_ctx->fs_badblocks_count += fs_badblocks_count;
2727 global_ctx->fs_sockets_count += fs_sockets_count;
2728 global_ctx->fs_ind_count += fs_ind_count;
2729 global_ctx->fs_dind_count += fs_dind_count;
2730 global_ctx->fs_tind_count += fs_tind_count;
2731 global_ctx->fs_fragmented += fs_fragmented;
2732 global_ctx->fs_fragmented_dir += fs_fragmented_dir;
2733 global_ctx->large_files += large_files;
2735 global_ctx->flags |= flags;
2737 retval = e2fsck_pass1_merge_fs(global_fs, thread_fs);
2739 com_err(global_ctx->program_name, 0, _("while merging fs\n"));
2742 global_fs->priv_data = global_ctx;
2743 global_ctx->fs = global_fs;
2744 global_ctx->logf = global_logf;
2745 global_ctx->problem_logf = global_problem_logf;
2746 global_ctx->global_ctx = NULL;
2747 retval = e2fsck_pass1_merge_icounts(global_ctx, thread_ctx);
2749 com_err(global_ctx->program_name, 0,
2750 _("while merging icounts\n"));
2754 global_ctx->dirs_to_hash = dirs_to_hash;
2755 retval = e2fsck_pass1_merge_dirs_to_hash(global_ctx, thread_ctx);
2757 com_err(global_ctx->program_name, 0,
2758 _("while merging dirs to hash\n"));
2762 global_ctx->qctx = qctx;
2763 retval = quota_merge_and_update_usage(global_ctx->qctx,
2767 global_ctx->invalid_block_bitmap_flag = invalid_block_bitmap_flag;
2768 global_ctx->invalid_inode_bitmap_flag = invalid_inode_bitmap_flag;
2769 global_ctx->invalid_inode_table_flag = invalid_inode_table_flag;
2770 global_ctx->invalid_bitmaps = invalid_bitmaps;
2771 e2fsck_pass1_merge_invalid_bitmaps(global_ctx, thread_ctx);
2773 retval = e2fsck_pass1_merge_bitmap(global_fs,
2774 &thread_ctx->inode_used_map,
2775 &global_ctx->inode_used_map);
2779 retval = e2fsck_pass1_merge_bitmap(global_fs,
2780 &thread_ctx->inode_bad_map,
2781 &global_ctx->inode_bad_map);
2784 retval = e2fsck_pass1_merge_bitmap(global_fs,
2785 &thread_ctx->inode_dir_map,
2786 &global_ctx->inode_dir_map);
2789 retval = e2fsck_pass1_merge_bitmap(global_fs,
2790 &thread_ctx->inode_bb_map,
2791 &global_ctx->inode_bb_map);
2794 retval = e2fsck_pass1_merge_bitmap(global_fs,
2795 &thread_ctx->inode_imagic_map,
2796 &global_ctx->inode_imagic_map);
2799 retval = e2fsck_pass1_merge_bitmap(global_fs,
2800 &thread_ctx->inode_reg_map,
2801 &global_ctx->inode_reg_map);
2804 retval = e2fsck_pass1_merge_bitmap(global_fs,
2805 &thread_ctx->inodes_to_rebuild,
2806 &global_ctx->inodes_to_rebuild);
2809 retval = e2fsck_pass1_merge_bitmap(global_fs,
2810 &thread_ctx->block_ea_map,
2811 &global_ctx->block_ea_map);
2818 static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
2822 retval = e2fsck_pass1_thread_join_one(global_ctx, thread_ctx);
2823 ext2fs_free_mem(&thread_ctx->fs);
2824 if (thread_ctx->logf)
2825 fclose(thread_ctx->logf);
2826 if (thread_ctx->problem_logf) {
2827 fputs("</problem_log>\n", thread_ctx->problem_logf);
2828 fclose(thread_ctx->problem_logf);
2830 e2fsck_pass1_free_bitmap(&thread_ctx->inode_used_map);
2831 e2fsck_pass1_free_bitmap(&thread_ctx->inode_bad_map);
2832 e2fsck_pass1_free_bitmap(&thread_ctx->inode_dir_map);
2833 e2fsck_pass1_free_bitmap(&thread_ctx->inode_bb_map);
2834 e2fsck_pass1_free_bitmap(&thread_ctx->inode_imagic_map);
2835 e2fsck_pass1_free_bitmap(&thread_ctx->inode_reg_map);
2836 e2fsck_pass1_free_bitmap(&thread_ctx->inodes_to_rebuild);
2837 e2fsck_pass1_free_bitmap(&thread_ctx->block_ea_map);
2838 e2fsck_free_dir_info(thread_ctx);
2839 ext2fs_free_icount(thread_ctx->inode_count);
2840 ext2fs_free_icount(thread_ctx->inode_link_info);
2841 if (thread_ctx->dirs_to_hash)
2842 ext2fs_badblocks_list_free(thread_ctx->dirs_to_hash);
2843 quota_release_context(&thread_ctx->qctx);
2844 ext2fs_free_mem(&thread_ctx->invalid_block_bitmap_flag);
2845 ext2fs_free_mem(&thread_ctx->invalid_inode_bitmap_flag);
2846 ext2fs_free_mem(&thread_ctx->invalid_inode_table_flag);
2847 ext2fs_free_mem(&thread_ctx);
2852 static int e2fsck_pass1_threads_join(struct e2fsck_thread_info *infos,
2853 int num_threads, e2fsck_t global_ctx)
2858 struct e2fsck_thread_info *pinfo;
2860 /* merge invalid bitmaps will recalculate it */
2861 global_ctx->invalid_bitmaps = 0;
2862 for (i = 0; i < num_threads; i++) {
2865 if (!pinfo->eti_started)
2868 rc = pthread_join(pinfo->eti_thread_id, NULL);
2870 com_err(global_ctx->program_name, rc,
2871 _("while joining thread\n"));
2875 rc = e2fsck_pass1_thread_join(global_ctx, infos[i].eti_thread_ctx);
2877 com_err(global_ctx->program_name, rc,
2878 _("while joining pass1 thread\n"));
2888 static void *e2fsck_pass1_thread(void *arg)
2890 struct e2fsck_thread_info *info = arg;
2891 e2fsck_t thread_ctx = info->eti_thread_ctx;
2892 #ifdef DEBUG_THREADS
2893 struct e2fsck_thread_debug *thread_debug = info->eti_debug;
2896 #ifdef DEBUG_THREADS
2897 pthread_mutex_lock(&thread_debug->etd_mutex);
2898 while (info->eti_thread_index > thread_debug->etd_finished_threads) {
2899 pthread_cond_wait(&thread_debug->etd_cond,
2900 &thread_debug->etd_mutex);
2902 pthread_mutex_unlock(&thread_debug->etd_mutex);
2905 #ifdef HAVE_SETJMP_H
2907 * When fatal_error() happens, jump to here. The thread
2908 * context's flags will be saved, but its abort_loc will
2909 * be overwritten by original jump buffer for the later
2912 if (setjmp(thread_ctx->abort_loc)) {
2913 thread_ctx->flags &= ~E2F_FLAG_SETJMP_OK;
2916 thread_ctx->flags |= E2F_FLAG_SETJMP_OK;
2919 e2fsck_pass1_run(thread_ctx);
2922 if (thread_ctx->options & E2F_OPT_MULTITHREAD)
2924 _("Scanned group range [%lu, %lu), inodes %lu\n"),
2925 thread_ctx->thread_info.et_group_start,
2926 thread_ctx->thread_info.et_group_end,
2927 thread_ctx->thread_info.et_inode_number);
2929 #ifdef DEBUG_THREADS
2930 pthread_mutex_lock(&thread_debug->etd_mutex);
2931 thread_debug->etd_finished_threads++;
2932 pthread_cond_broadcast(&thread_debug->etd_cond);
2933 pthread_mutex_unlock(&thread_debug->etd_mutex);
2939 static int e2fsck_pass1_threads_start(struct e2fsck_thread_info **pinfo,
2940 int num_threads, e2fsck_t global_ctx)
2942 struct e2fsck_thread_info *infos;
2943 pthread_attr_t attr;
2946 struct e2fsck_thread_info *tmp_pinfo;
2948 e2fsck_t thread_ctx;
2949 #ifdef DEBUG_THREADS
2950 struct e2fsck_thread_debug thread_debug =
2951 {PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, 0};
2953 thread_debug.etd_finished_threads = 0;
2956 retval = pthread_attr_init(&attr);
2958 com_err(global_ctx->program_name, retval,
2959 _("while setting pthread attribute\n"));
2963 infos = calloc(num_threads, sizeof(struct e2fsck_thread_info));
2964 if (infos == NULL) {
2966 com_err(global_ctx->program_name, retval,
2967 _("while allocating memory for threads\n"));
2968 pthread_attr_destroy(&attr);
2972 for (i = 0; i < num_threads; i++) {
2973 tmp_pinfo = &infos[i];
2974 tmp_pinfo->eti_thread_index = i;
2975 #ifdef DEBUG_THREADS
2976 tmp_pinfo->eti_debug = &thread_debug;
2978 retval = e2fsck_pass1_thread_prepare(global_ctx, &thread_ctx,
2981 com_err(global_ctx->program_name, retval,
2982 _("while preparing pass1 thread\n"));
2985 tmp_pinfo->eti_thread_ctx = thread_ctx;
2987 retval = pthread_create(&tmp_pinfo->eti_thread_id, &attr,
2988 &e2fsck_pass1_thread, tmp_pinfo);
2990 com_err(global_ctx->program_name, retval,
2991 _("while creating thread\n"));
2992 e2fsck_pass1_thread_join(global_ctx, thread_ctx);
2996 tmp_pinfo->eti_started = 1;
2999 /* destroy the thread attribute object, since it is no longer needed */
3000 ret = pthread_attr_destroy(&attr);
3002 com_err(global_ctx->program_name, ret,
3003 _("while destroying thread attribute\n"));
3009 e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
3016 static void e2fsck_pass1_multithread(e2fsck_t global_ctx)
3018 struct e2fsck_thread_info *infos = NULL;
3019 int num_threads = 1;
3022 pthread_mutex_init(&global_ctx->fs_fix_mutex, NULL);
3023 pthread_mutex_init(&global_ctx->fs_block_map_mutex, NULL);
3024 retval = e2fsck_pass1_threads_start(&infos, num_threads, global_ctx);
3026 com_err(global_ctx->program_name, retval,
3027 _("while starting pass1 threads\n"));
3031 retval = e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
3033 com_err(global_ctx->program_name, retval,
3034 _("while joining pass1 threads\n"));
3039 global_ctx->flags |= E2F_FLAG_ABORT;
3044 /* TODO: tdb needs to be handled properly for multiple threads*/
3045 static int multiple_threads_supported(e2fsck_t ctx)
3048 unsigned int threshold;
3049 ext2_ino_t num_dirs;
3054 profile_get_string(ctx->profile, "scratch_files", "directory", 0, 0,
3056 profile_get_uint(ctx->profile, "scratch_files",
3057 "numdirs_threshold", 0, 0, &threshold);
3058 profile_get_boolean(ctx->profile, "scratch_files",
3059 "icount", 0, 1, &enable);
3061 retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs);
3063 num_dirs = 1024; /* Guess */
3065 /* tdb is unsupported now */
3066 if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
3067 (!threshold || num_dirs > threshold))
3073 void e2fsck_pass1(e2fsck_t ctx)
3078 init_ext2_max_sizes();
3079 retval = e2fsck_pass1_prepare(ctx);
3083 if (multiple_threads_supported(ctx)) {
3085 e2fsck_pass1_multithread(ctx);
3087 fprintf(stderr, "Fall through single thread for pass1 "
3088 "because tdb could not handle properly\n");
3092 e2fsck_pass1_run(ctx);
3093 e2fsck_pass1_post(ctx);
3096 #undef FINISH_INODE_LOOP
3099 * When the inode_scan routines call this callback at the end of the
3100 * glock group, call process_inodes.
3102 static errcode_t scan_callback(ext2_filsys fs,
3103 ext2_inode_scan scan EXT2FS_ATTR((unused)),
3104 dgrp_t group, void * priv_data)
3106 struct scan_callback_struct *scan_struct;
3108 struct e2fsck_thread *tinfo;
3110 scan_struct = (struct scan_callback_struct *) priv_data;
3111 ctx = scan_struct->ctx;
3113 process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf,
3114 scan_struct->inodes_to_process,
3115 scan_struct->process_inode_count);
3118 if ((ctx->progress)(ctx, 1, group+1,
3119 ctx->fs->group_desc_count))
3120 return EXT2_ET_CANCEL_REQUESTED;
3123 if (ctx->global_ctx) {
3124 tinfo = &ctx->thread_info;
3125 tinfo->et_group_next++;
3126 if (ctx->options & E2F_OPT_DEBUG &&
3127 ctx->options & E2F_OPT_MULTITHREAD)
3128 log_out(ctx, _("group %d finished\n"),
3129 tinfo->et_group_next);
3130 if (tinfo->et_group_next >= tinfo->et_group_end)
3131 return EXT2_ET_SCAN_FINISHED;
3139 * Process the inodes in the "inodes to process" list.
3141 static void process_inodes(e2fsck_t ctx, char *block_buf,
3142 struct process_inode_block *inodes_to_process,
3143 int *process_inode_count)
3146 struct ext2_inode *old_stashed_inode;
3147 ext2_ino_t old_stashed_ino;
3148 const char *old_operation;
3150 struct problem_context pctx;
3153 printf("begin process_inodes: ");
3155 if (*process_inode_count == 0)
3157 old_operation = ehandler_operation(0);
3158 old_stashed_inode = ctx->stashed_inode;
3159 old_stashed_ino = ctx->stashed_ino;
3160 qsort(inodes_to_process, *process_inode_count,
3161 sizeof(struct process_inode_block), process_inode_cmp);
3162 clear_problem_context(&pctx);
3163 for (i=0; i < *process_inode_count; i++) {
3164 pctx.inode = ctx->stashed_inode =
3165 (struct ext2_inode *) &inodes_to_process[i].inode;
3166 pctx.ino = ctx->stashed_ino = inodes_to_process[i].ino;
3169 printf("%u ", pctx.ino);
3171 sprintf(buf, _("reading indirect blocks of inode %u"),
3173 ehandler_operation(buf);
3174 check_blocks(ctx, &pctx, block_buf,
3175 &inodes_to_process[i].ea_ibody_quota);
3176 if (e2fsck_should_abort(ctx))
3179 ctx->stashed_inode = old_stashed_inode;
3180 ctx->stashed_ino = old_stashed_ino;
3181 *process_inode_count = 0;
3183 printf("end process inodes\n");
3185 ehandler_operation(old_operation);
3188 static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b)
3190 const struct process_inode_block *ib_a =
3191 (const struct process_inode_block *) a;
3192 const struct process_inode_block *ib_b =
3193 (const struct process_inode_block *) b;
3196 ret = (ib_a->inode.i_block[EXT2_IND_BLOCK] -
3197 ib_b->inode.i_block[EXT2_IND_BLOCK]);
3200 * We only call process_inodes() for non-extent
3201 * inodes, so it's OK to pass NULL to
3202 * ext2fs_file_acl_block() here.
3204 ret = ext2fs_file_acl_block(0, ext2fs_const_inode(&ib_a->inode)) -
3205 ext2fs_file_acl_block(0, ext2fs_const_inode(&ib_b->inode));
3207 ret = ib_a->ino - ib_b->ino;
3212 * Mark an inode as being bad in some what
3214 static void mark_inode_bad(e2fsck_t ctx, ino_t ino)
3216 struct problem_context pctx;
3218 if (!ctx->inode_bad_map) {
3219 clear_problem_context(&pctx);
3221 pctx.errcode = e2fsck_allocate_inode_bitmap(ctx->fs,
3222 _("bad inode map"), EXT2FS_BMAP64_RBTREE,
3223 "inode_bad_map", &ctx->inode_bad_map);
3226 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
3227 /* Should never get here */
3228 ctx->flags |= E2F_FLAG_ABORT;
3232 ext2fs_mark_inode_bitmap2(ctx->inode_bad_map, ino);
3235 static void add_casefolded_dir(e2fsck_t ctx, ino_t ino)
3237 struct problem_context pctx;
3239 if (!ctx->casefolded_dirs) {
3240 pctx.errcode = ext2fs_u32_list_create(&ctx->casefolded_dirs, 0);
3244 pctx.errcode = ext2fs_u32_list_add(ctx->casefolded_dirs, ino);
3245 if (pctx.errcode == 0)
3248 fix_problem(ctx, PR_1_ALLOCATE_CASEFOLDED_DIRLIST, &pctx);
3249 /* Should never get here */
3250 ctx->flags |= E2F_FLAG_ABORT;
3254 * This procedure will allocate the inode "bb" (badblock) map table
3256 static void alloc_bb_map(e2fsck_t ctx)
3258 struct problem_context pctx;
3260 clear_problem_context(&pctx);
3261 pctx.errcode = e2fsck_allocate_inode_bitmap(ctx->fs,
3262 _("inode in bad block map"), EXT2FS_BMAP64_RBTREE,
3263 "inode_bb_map", &ctx->inode_bb_map);
3266 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
3267 /* Should never get here */
3268 ctx->flags |= E2F_FLAG_ABORT;
3274 * This procedure will allocate the inode imagic table
3276 static void alloc_imagic_map(e2fsck_t ctx)
3278 struct problem_context pctx;
3280 clear_problem_context(&pctx);
3281 pctx.errcode = e2fsck_allocate_inode_bitmap(ctx->fs,
3282 _("imagic inode map"), EXT2FS_BMAP64_RBTREE,
3283 "inode_imagic_map", &ctx->inode_imagic_map);
3286 fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
3287 /* Should never get here */
3288 ctx->flags |= E2F_FLAG_ABORT;
3294 * Marks a block as in use, setting the dup_map if it's been set
3295 * already. Called by process_block and process_bad_block.
3297 * WARNING: Assumes checks have already been done to make sure block
3298 * is valid. This is true in both process_block and process_bad_block.
3300 static _INLINE_ void mark_block_used_unlocked(e2fsck_t ctx, blk64_t block)
3302 struct problem_context pctx;
3303 e2fsck_t global_ctx;
3305 global_ctx = ctx->global_ctx;
3309 clear_problem_context(&pctx);
3311 if (ext2fs_fast_test_block_bitmap2(ctx->block_found_map, block)) {
3312 if (ext2fs_has_feature_shared_blocks(ctx->fs->super) &&
3313 !(ctx->options & E2F_OPT_UNSHARE_BLOCKS)) {
3317 * this should be safe because this operation has
3318 * been serialized by mutex.
3320 if (!global_ctx->block_dup_map) {
3321 pctx.errcode = e2fsck_allocate_block_bitmap(ctx->fs,
3322 _("multiply claimed block map"),
3323 EXT2FS_BMAP64_RBTREE, "block_dup_map",
3324 &global_ctx->block_dup_map);
3327 fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR,
3329 /* Should never get here */
3330 ctx->flags |= E2F_FLAG_ABORT;
3334 ext2fs_fast_mark_block_bitmap2(global_ctx->block_dup_map, block);
3336 ext2fs_fast_mark_block_bitmap2(ctx->block_found_map, block);
3340 static _INLINE_ void mark_block_used(e2fsck_t ctx, blk64_t block)
3342 e2fsck_pass1_block_map_lock(ctx);
3343 mark_block_used_unlocked(ctx, block);
3344 e2fsck_pass1_block_map_unlock(ctx);
3349 * When cluster size is greater than one block, it is caller's responsibility
3350 * to make sure block parameter starts at a cluster boundary.
3352 static _INLINE_ void mark_blocks_used(e2fsck_t ctx, blk64_t block,
3355 e2fsck_pass1_block_map_lock(ctx);
3356 if (ext2fs_test_block_bitmap_range2(ctx->block_found_map, block, num)) {
3357 ext2fs_mark_block_bitmap_range2(ctx->block_found_map, block, num);
3361 for (i = 0; i < num; i += EXT2FS_CLUSTER_RATIO(ctx->fs))
3362 mark_block_used_unlocked(ctx, block + i);
3364 e2fsck_pass1_block_map_unlock(ctx);
3367 static errcode_t _INLINE_ e2fsck_write_ext_attr3(e2fsck_t ctx, blk64_t block,
3368 void *inbuf, ext2_ino_t inum)
3371 ext2_filsys fs = ctx->fs;
3373 e2fsck_pass1_fix_lock(ctx);
3374 retval = ext2fs_write_ext_attr3(fs, block, inbuf, inum);
3375 e2fsck_pass1_fix_unlock(ctx);
3380 * Adjust the extended attribute block's reference counts at the end
3381 * of pass 1, either by subtracting out references for EA blocks that
3382 * are still referenced in ctx->refcount, or by adding references for
3383 * EA blocks that had extra references as accounted for in
3384 * ctx->refcount_extra.
3386 static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
3387 char *block_buf, int adjust_sign)
3389 struct ext2_ext_attr_header *header;
3390 struct problem_context pctx;
3391 ext2_filsys fs = ctx->fs;
3396 clear_problem_context(&pctx);
3398 ea_refcount_intr_begin(refcount);
3400 if ((blk = ea_refcount_intr_next(refcount, &count)) == 0)
3403 pctx.errcode = ext2fs_read_ext_attr3(fs, blk, block_buf,
3406 fix_problem(ctx, PR_1_EXTATTR_READ_ABORT, &pctx);
3409 header = (struct ext2_ext_attr_header *) block_buf;
3410 pctx.blkcount = header->h_refcount;
3411 should_be = header->h_refcount + adjust_sign * (int)count;
3412 pctx.num = should_be;
3413 if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
3414 header->h_refcount = should_be;
3415 pctx.errcode = e2fsck_write_ext_attr3(ctx, blk,
3419 fix_problem(ctx, PR_1_EXTATTR_WRITE_ABORT,
3428 * Handle processing the extended attribute blocks
3430 static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
3431 char *block_buf, struct ea_quota *ea_block_quota)
3433 ext2_filsys fs = ctx->fs;
3434 ext2_ino_t ino = pctx->ino;
3435 struct ext2_inode *inode = pctx->inode;
3438 struct ext2_ext_attr_header *header;
3439 struct ext2_ext_attr_entry *first, *entry;
3440 blk64_t quota_blocks = EXT2FS_C2B(fs, 1);
3441 __u64 quota_inodes = 0;
3442 region_t region = 0;
3443 int failed_csum = 0;
3445 ea_block_quota->blocks = 0;
3446 ea_block_quota->inodes = 0;
3448 blk = ext2fs_file_acl_block(fs, inode);
3453 * If the Extended attribute flag isn't set, then a non-zero
3454 * file acl means that the inode is corrupted.
3456 * Or if the extended attribute block is an invalid block,
3457 * then the inode is also corrupted.
3459 if (!ext2fs_has_feature_xattr(fs->super) ||
3460 (blk < fs->super->s_first_data_block) ||
3461 (blk >= ext2fs_blocks_count(fs->super))) {
3462 mark_inode_bad(ctx, ino);
3466 /* If ea bitmap hasn't been allocated, create it */
3467 if (!ctx->block_ea_map) {
3468 pctx->errcode = e2fsck_allocate_block_bitmap(fs,
3469 _("ext attr block map"),
3470 EXT2FS_BMAP64_RBTREE, "block_ea_map",
3471 &ctx->block_ea_map);
3472 if (pctx->errcode) {
3474 fix_problem(ctx, PR_1_ALLOCATE_BBITMAP_ERROR, pctx);
3475 ctx->flags |= E2F_FLAG_ABORT;
3480 /* Create the EA refcount structure if necessary */
3481 if (!ctx->refcount) {
3482 pctx->errcode = ea_refcount_create(0, &ctx->refcount);
3483 if (pctx->errcode) {
3485 fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
3486 ctx->flags |= E2F_FLAG_ABORT;
3492 /* Debugging text */
3493 printf("Inode %u has EA block %u\n", ino, blk);
3496 /* Have we seen this EA block before? */
3497 if (ext2fs_fast_test_block_bitmap2(ctx->block_ea_map, blk)) {
3498 ea_block_quota->blocks = EXT2FS_C2B(fs, 1);
3499 ea_block_quota->inodes = 0;
3501 if (ctx->ea_block_quota_blocks) {
3502 ea_refcount_fetch(ctx->ea_block_quota_blocks, blk,
3505 ea_block_quota->blocks = quota_blocks;
3508 if (ctx->ea_block_quota_inodes)
3509 ea_refcount_fetch(ctx->ea_block_quota_inodes, blk,
3510 &ea_block_quota->inodes);
3512 if (ea_refcount_decrement(ctx->refcount, blk, 0) == 0)
3514 /* Ooops, this EA was referenced more than it stated */
3515 if (!ctx->refcount_extra) {
3516 pctx->errcode = ea_refcount_create(0,
3517 &ctx->refcount_extra);
3518 if (pctx->errcode) {
3520 fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
3521 ctx->flags |= E2F_FLAG_ABORT;
3525 ea_refcount_increment(ctx->refcount_extra, blk, 0);
3530 * OK, we haven't seen this EA block yet. So we need to
3534 pctx->errcode = ext2fs_read_ext_attr3(fs, blk, block_buf, pctx->ino);
3535 if (pctx->errcode == EXT2_ET_EXT_ATTR_CSUM_INVALID) {
3538 } else if (pctx->errcode == EXT2_ET_BAD_EA_HEADER)
3541 if (pctx->errcode &&
3542 fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx)) {
3546 header = (struct ext2_ext_attr_header *) block_buf;
3547 pctx->blk = ext2fs_file_acl_block(fs, inode);
3548 if (((ctx->ext_attr_ver == 1) &&
3549 (header->h_magic != EXT2_EXT_ATTR_MAGIC_v1)) ||
3550 ((ctx->ext_attr_ver == 2) &&
3551 (header->h_magic != EXT2_EXT_ATTR_MAGIC))) {
3552 if (fix_problem(ctx, PR_1_BAD_EA_BLOCK, pctx))
3556 if (header->h_blocks != 1) {
3557 if (fix_problem(ctx, PR_1_EA_MULTI_BLOCK, pctx))
3561 if (pctx->errcode && fix_problem(ctx, PR_1_READ_EA_BLOCK, pctx))
3564 region = region_create(0, fs->blocksize);
3566 fix_problem(ctx, PR_1_EA_ALLOC_REGION_ABORT, pctx);
3567 ctx->flags |= E2F_FLAG_ABORT;
3570 if (region_allocate(region, 0, sizeof(struct ext2_ext_attr_header))) {
3571 if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
3575 first = (struct ext2_ext_attr_entry *)(header+1);
3576 end = block_buf + fs->blocksize;
3578 while ((char *)entry < end && *(__u32 *)entry) {
3581 if (region_allocate(region, (char *)entry - (char *)header,
3582 EXT2_EXT_ATTR_LEN(entry->e_name_len))) {
3583 if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
3587 if ((ctx->ext_attr_ver == 1 &&
3588 (entry->e_name_len == 0 || entry->e_name_index != 0)) ||
3589 (ctx->ext_attr_ver == 2 &&
3590 entry->e_name_index == 0)) {
3591 if (fix_problem(ctx, PR_1_EA_BAD_NAME, pctx))
3595 if (entry->e_value_inum == 0) {
3596 if (entry->e_value_offs + entry->e_value_size >
3598 if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
3602 if (entry->e_value_size &&
3603 region_allocate(region, entry->e_value_offs,
3604 EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
3605 if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION,
3610 hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
3611 entry->e_value_offs);
3613 if (entry->e_hash != hash) {
3614 pctx->num = entry->e_hash;
3615 if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
3617 entry->e_hash = hash;
3621 blk64_t entry_quota_blocks;
3623 problem = check_large_ea_inode(ctx, entry, pctx,
3624 &entry_quota_blocks);
3625 if (problem && fix_problem(ctx, problem, pctx))
3628 quota_blocks += entry_quota_blocks;
3632 entry = EXT2_EXT_ATTR_NEXT(entry);
3634 if (region_allocate(region, (char *)entry - (char *)header, 4)) {
3635 if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
3638 region_free(region);
3641 * We only get here if there was no other errors that were fixed.
3642 * If there was a checksum fail, ask to correct it.
3645 fix_problem(ctx, PR_1_EA_BLOCK_ONLY_CSUM_INVALID, pctx)) {
3646 pctx->errcode = e2fsck_write_ext_attr3(ctx, blk, block_buf,
3652 if (quota_blocks != EXT2FS_C2B(fs, 1U)) {
3653 if (!ctx->ea_block_quota_blocks) {
3654 pctx->errcode = ea_refcount_create(0,
3655 &ctx->ea_block_quota_blocks);
3656 if (pctx->errcode) {
3661 ea_refcount_store(ctx->ea_block_quota_blocks, blk,
3666 if (!ctx->ea_block_quota_inodes) {
3667 pctx->errcode = ea_refcount_create(0,
3668 &ctx->ea_block_quota_inodes);
3669 if (pctx->errcode) {
3672 fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
3673 ctx->flags |= E2F_FLAG_ABORT;
3678 ea_refcount_store(ctx->ea_block_quota_inodes, blk,
3681 ea_block_quota->blocks = quota_blocks;
3682 ea_block_quota->inodes = quota_inodes;
3684 inc_ea_inode_refs(ctx, pctx, first, end);
3685 ea_refcount_store(ctx->refcount, blk, header->h_refcount - 1);
3686 mark_block_used(ctx, blk);
3687 ext2fs_fast_mark_block_bitmap2(ctx->block_ea_map, blk);
3692 region_free(region);
3693 ext2fs_file_acl_block_set(fs, inode, 0);
3694 e2fsck_write_inode(ctx, ino, inode, "check_ext_attr");
3698 /* Returns 1 if bad htree, 0 if OK */
3699 static int handle_htree(e2fsck_t ctx, struct problem_context *pctx,
3700 ext2_ino_t ino, struct ext2_inode *inode,
3703 struct ext2_dx_root_info *root;
3704 ext2_filsys fs = ctx->fs;
3708 if ((!LINUX_S_ISDIR(inode->i_mode) &&
3709 fix_problem(ctx, PR_1_HTREE_NODIR, pctx)) ||
3710 (!ext2fs_has_feature_dir_index(fs->super) &&
3711 fix_problem(ctx, PR_1_HTREE_SET, pctx)))
3714 pctx->errcode = ext2fs_bmap2(fs, ino, inode, 0, 0, 0, 0, &blk);
3716 if ((pctx->errcode) ||
3718 (blk < fs->super->s_first_data_block) ||
3719 (blk >= ext2fs_blocks_count(fs->super))) {
3720 if (fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
3726 retval = io_channel_read_blk64(fs->io, blk, 1, block_buf);
3727 if (retval && fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
3730 /* XXX should check that beginning matches a directory */
3731 root = (struct ext2_dx_root_info *) (block_buf + 24);
3733 if ((root->reserved_zero || root->info_length < 8) &&
3734 fix_problem(ctx, PR_1_HTREE_BADROOT, pctx))
3737 pctx->num = root->hash_version;
3738 if ((root->hash_version != EXT2_HASH_LEGACY) &&
3739 (root->hash_version != EXT2_HASH_HALF_MD4) &&
3740 (root->hash_version != EXT2_HASH_TEA) &&
3741 (root->hash_version != EXT2_HASH_SIPHASH) &&
3742 fix_problem(ctx, PR_1_HTREE_HASHV, pctx))
3745 if (ext4_hash_in_dirent(inode)) {
3746 if (root->hash_version != EXT2_HASH_SIPHASH &&
3747 fix_problem(ctx, PR_1_HTREE_NEEDS_SIPHASH, pctx))
3750 if (root->hash_version == EXT2_HASH_SIPHASH &&
3751 fix_problem(ctx, PR_1_HTREE_CANNOT_SIPHASH, pctx))
3755 if ((root->unused_flags & EXT2_HASH_FLAG_INCOMPAT) &&
3756 fix_problem(ctx, PR_1_HTREE_INCOMPAT, pctx))
3759 pctx->num = root->indirect_levels;
3760 /* if htree level is clearly too high, consider it to be broken */
3761 if (root->indirect_levels > EXT4_HTREE_LEVEL &&
3762 fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
3765 /* if level is only maybe too high, LARGE_DIR feature could be unset */
3766 if (root->indirect_levels > ext2_dir_htree_level(fs) &&
3767 !ext2fs_has_feature_largedir(fs->super)) {
3768 int blockbits = EXT2_BLOCK_SIZE_BITS(fs->super) + 10;
3769 int idx_pb = 1 << (blockbits - 3);
3771 /* compare inode size/blocks vs. max-sized 2-level htree */
3772 if (EXT2_I_SIZE(pctx->inode) <
3773 (idx_pb - 1) * (idx_pb - 2) << blockbits &&
3774 pctx->inode->i_blocks <
3775 (idx_pb - 1) * (idx_pb - 2) << (blockbits - 9) &&
3776 fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
3780 if (root->indirect_levels > EXT4_HTREE_LEVEL_COMPAT ||
3781 ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
3787 void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
3788 struct ext2_inode *inode, int restart_flag,
3792 inode->i_links_count = 0;
3793 ext2fs_icount_store(ctx->inode_link_info, ino, 0);
3794 inode->i_dtime = ctx->now;
3797 * If a special inode has such rotten block mappings that we
3798 * want to clear the whole inode, be sure to actually zap
3799 * the block maps because i_links_count isn't checked for
3800 * special inodes, and we'll end up right back here the next
3803 if (ino < EXT2_FIRST_INODE(ctx->fs->super))
3804 memset(inode->i_block, 0, sizeof(inode->i_block));
3806 ext2fs_unmark_inode_bitmap2(ctx->inode_dir_map, ino);
3807 ext2fs_unmark_inode_bitmap2(ctx->inode_used_map, ino);
3808 if (ctx->inode_reg_map)
3809 ext2fs_unmark_inode_bitmap2(ctx->inode_reg_map, ino);
3810 if (ctx->inode_bad_map)
3811 ext2fs_unmark_inode_bitmap2(ctx->inode_bad_map, ino);
3814 * If the inode was partially accounted for before processing
3815 * was aborted, we need to restart the pass 1 scan.
3817 ctx->flags |= restart_flag;
3819 if (ino == EXT2_BAD_INO)
3820 memset(inode, 0, sizeof(struct ext2_inode));
3822 e2fsck_write_inode(ctx, ino, inode, source);
3826 * Use the multiple-blocks reclamation code to fix alignment problems in
3827 * a bigalloc filesystem. We want a logical cluster to map to *only* one
3828 * physical cluster, and we want the block offsets within that cluster to
3831 static int has_unaligned_cluster_map(e2fsck_t ctx,
3832 blk64_t last_pblk, blk64_t last_lblk,
3833 blk64_t pblk, blk64_t lblk)
3835 blk64_t cluster_mask;
3837 if (!ctx->fs->cluster_ratio_bits)
3839 cluster_mask = EXT2FS_CLUSTER_MASK(ctx->fs);
3842 * If the block in the logical cluster doesn't align with the block in
3843 * the physical cluster...
3845 if ((lblk & cluster_mask) != (pblk & cluster_mask))
3849 * If we cross a physical cluster boundary within a logical cluster...
3851 if (last_pblk && (lblk & cluster_mask) != 0 &&
3852 EXT2FS_B2C(ctx->fs, lblk) == EXT2FS_B2C(ctx->fs, last_lblk) &&
3853 EXT2FS_B2C(ctx->fs, pblk) != EXT2FS_B2C(ctx->fs, last_pblk))
3859 static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
3860 struct process_block_struct *pb,
3861 blk64_t start_block, blk64_t end_block,
3863 ext2_extent_handle_t ehandle,
3866 struct ext2fs_extent extent;
3867 blk64_t blk, last_lblk;
3869 int is_dir, is_leaf;
3871 struct ext2_extent_info info;
3872 int failed_csum = 0;
3874 if (pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID)
3877 pctx->errcode = ext2fs_extent_get_info(ehandle, &info);
3880 if (!(ctx->options & E2F_OPT_FIXES_ONLY) &&
3881 !pb->eti.force_rebuild) {
3882 struct extent_tree_level *etl;
3884 etl = pb->eti.ext_info + info.curr_level;
3885 etl->num_extents += info.num_entries;
3886 etl->max_extents += info.max_entries;
3888 * Implementation wart: Splitting extent blocks when appending
3889 * will leave the old block with one free entry. Therefore
3890 * unless the node is totally full, pretend that a non-root
3891 * extent block can hold one fewer entry than it actually does,
3892 * so that we don't repeatedly rebuild the extent tree.
3894 if (info.curr_level && info.num_entries < info.max_entries)
3898 pctx->errcode = ext2fs_extent_get(ehandle, EXT2_EXTENT_FIRST_SIB,
3900 while ((pctx->errcode == 0 ||
3901 pctx->errcode == EXT2_ET_EXTENT_CSUM_INVALID) &&
3902 info.num_entries-- > 0) {
3903 is_leaf = extent.e_flags & EXT2_EXTENT_FLAGS_LEAF;
3904 is_dir = LINUX_S_ISDIR(pctx->inode->i_mode);
3905 last_lblk = extent.e_lblk + extent.e_len - 1;
3908 pctx->blk = extent.e_pblk;
3909 pctx->blk2 = extent.e_lblk;
3910 pctx->num = extent.e_len;
3911 pctx->blkcount = extent.e_lblk + extent.e_len;
3913 if (extent.e_pblk == 0 ||
3914 extent.e_pblk < ctx->fs->super->s_first_data_block ||
3915 extent.e_pblk >= ext2fs_blocks_count(ctx->fs->super))
3916 problem = PR_1_EXTENT_BAD_START_BLK;
3917 else if (extent.e_lblk < start_block)
3918 problem = PR_1_OUT_OF_ORDER_EXTENTS;
3919 else if ((end_block && last_lblk > end_block) &&
3920 !(last_lblk > eof_block &&
3921 ((extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) ||
3922 (pctx->inode->i_flags & EXT4_VERITY_FL))))
3923 problem = PR_1_EXTENT_END_OUT_OF_BOUNDS;
3924 else if (is_leaf && extent.e_len == 0)
3925 problem = PR_1_EXTENT_LENGTH_ZERO;
3927 (extent.e_pblk + extent.e_len) >
3928 ext2fs_blocks_count(ctx->fs->super))
3929 problem = PR_1_EXTENT_ENDS_BEYOND;
3930 else if (is_leaf && is_dir && !pctx->inode->i_size_high &&
3931 !ext2fs_has_feature_largedir(ctx->fs->super) &&
3932 ((extent.e_lblk + extent.e_len) >
3933 (1U << (21 - ctx->fs->super->s_log_block_size))))
3934 problem = PR_1_TOOBIG_DIR;
3936 if (is_leaf && problem == 0 && extent.e_len > 0) {
3938 printf("extent_region(ino=%u, expect=%llu, "
3939 "lblk=%llu, len=%u)\n", pb->ino,
3940 (unsigned long long) pb->next_lblock,
3941 (unsigned long long) extent.e_lblk,
3944 if (extent.e_lblk < pb->next_lblock)
3945 problem = PR_1_EXTENT_COLLISION;
3946 else if (extent.e_lblk + extent.e_len > pb->next_lblock)
3947 pb->next_lblock = extent.e_lblk + extent.e_len;
3951 * Uninitialized blocks in a directory? Clear the flag and
3952 * we'll interpret the blocks later.
3954 if (try_repairs && is_dir && problem == 0 &&
3955 (extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) &&
3956 fix_problem(ctx, PR_1_UNINIT_DBLOCK, pctx)) {
3957 e2fsck_pass1_fix_lock(ctx);
3958 extent.e_flags &= ~EXT2_EXTENT_FLAGS_UNINIT;
3959 pb->inode_modified = 1;
3960 pctx->errcode = ext2fs_extent_replace(ehandle, 0,
3962 e2fsck_pass1_fix_unlock(ctx);
3967 #ifdef CONFIG_DEVELOPER_FEATURES
3968 if (try_repairs && !is_dir && problem == 0 &&
3969 (ctx->options & E2F_OPT_CLEAR_UNINIT) &&
3970 (extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) &&
3971 fix_problem(ctx, PR_1_CLEAR_UNINIT_EXTENT, pctx)) {
3972 extent.e_flags &= ~EXT2_EXTENT_FLAGS_UNINIT;
3973 pb->inode_modified = 1;
3974 pctx->errcode = ext2fs_extent_replace(ehandle, 0,
3981 if (try_repairs && problem) {
3983 if (fix_problem(ctx, problem, pctx)) {
3984 if (ctx->invalid_bitmaps) {
3986 * If fsck knows the bitmaps are bad,
3987 * skip to the next extent and
3988 * try to clear this extent again
3989 * after fixing the bitmaps, by
3992 pctx->errcode = ext2fs_extent_get(
3994 EXT2_EXTENT_NEXT_SIB,
3996 ctx->flags |= E2F_FLAG_RESTART_LATER;
3997 if (pctx->errcode ==
3998 EXT2_ET_NO_CURRENT_NODE) {
4004 e2fsck_pass1_fix_lock(ctx);
4005 e2fsck_read_bitmaps(ctx);
4006 pb->inode_modified = 1;
4008 ext2fs_extent_delete(ehandle, 0);
4009 e2fsck_pass1_fix_unlock(ctx);
4010 if (pctx->errcode) {
4011 pctx->str = "ext2fs_extent_delete";
4014 e2fsck_pass1_fix_lock(ctx);
4015 pctx->errcode = ext2fs_extent_fix_parents(ehandle);
4016 e2fsck_pass1_fix_unlock(ctx);
4017 if (pctx->errcode &&
4018 pctx->errcode != EXT2_ET_NO_CURRENT_NODE) {
4019 pctx->str = "ext2fs_extent_fix_parents";
4022 pctx->errcode = ext2fs_extent_get(ehandle,
4023 EXT2_EXTENT_CURRENT,
4025 if (pctx->errcode == EXT2_ET_NO_CURRENT_NODE) {
4036 blk64_t lblk = extent.e_lblk;
4037 int next_try_repairs = 1;
4039 blk = extent.e_pblk;
4042 * If this lower extent block collides with critical
4043 * metadata, don't try to repair the damage. Pass 1b
4044 * will reallocate the block; then we can try again.
4046 if (pb->ino != EXT2_RESIZE_INO &&
4047 extent.e_pblk < ctx->fs->super->s_blocks_count &&
4048 ext2fs_test_block_bitmap2(ctx->block_metadata_map,
4050 next_try_repairs = 0;
4053 PR_1_CRITICAL_METADATA_COLLISION,
4055 if ((ctx->options & E2F_OPT_NO) == 0)
4056 ctx->flags |= E2F_FLAG_RESTART_LATER;
4058 pctx->errcode = ext2fs_extent_get(ehandle,
4059 EXT2_EXTENT_DOWN, &extent);
4060 if (pctx->errcode &&
4061 pctx->errcode != EXT2_ET_EXTENT_CSUM_INVALID) {
4062 pctx->str = "EXT2_EXTENT_DOWN";
4063 problem = PR_1_EXTENT_HEADER_INVALID;
4064 if (!next_try_repairs)
4066 if (pctx->errcode == EXT2_ET_EXTENT_HEADER_BAD)
4067 goto report_problem;
4070 /* The next extent should match this index's logical start */
4071 if (extent.e_lblk != lblk) {
4072 struct ext2_extent_info e_info;
4074 pctx->errcode = ext2fs_extent_get_info(ehandle,
4076 if (pctx->errcode) {
4077 pctx->str = "ext2fs_extent_get_info";
4081 pctx->blk2 = extent.e_lblk;
4082 pctx->num = e_info.curr_level - 1;
4083 problem = PR_1_EXTENT_INDEX_START_INVALID;
4084 if (fix_problem(ctx, problem, pctx)) {
4085 e2fsck_pass1_fix_lock(ctx);
4086 pb->inode_modified = 1;
4088 ext2fs_extent_fix_parents(ehandle);
4089 e2fsck_pass1_fix_unlock(ctx);
4090 if (pctx->errcode) {
4091 pctx->str = "ext2fs_extent_fix_parents";
4096 scan_extent_node(ctx, pctx, pb, extent.e_lblk,
4097 last_lblk, eof_block, ehandle,
4101 pctx->errcode = ext2fs_extent_get(ehandle,
4102 EXT2_EXTENT_UP, &extent);
4103 if (pctx->errcode) {
4104 pctx->str = "EXT2_EXTENT_UP";
4107 mark_block_used(ctx, blk);
4112 if ((pb->previous_block != 0) &&
4113 (pb->previous_block+1 != extent.e_pblk)) {
4114 if (ctx->options & E2F_OPT_FRAGCHECK) {
4119 else if (pb->is_reg)
4122 printf(("%6lu(%c): expecting %6lu "
4124 "phys %6lu log %lu len %lu\n"),
4125 (unsigned long) pctx->ino, type,
4126 (unsigned long) pb->previous_block+1,
4127 (unsigned long) extent.e_pblk,
4128 (unsigned long) extent.e_lblk,
4129 (unsigned long) extent.e_len);
4134 * If we notice a gap in the logical block mappings of an
4135 * extent-mapped directory, offer to close the hole by
4136 * moving the logical block down, otherwise we'll go mad in
4137 * pass 3 allocating empty directory blocks to fill the hole.
4139 if (try_repairs && is_dir &&
4140 pb->last_block + 1 < extent.e_lblk) {
4143 new_lblk = pb->last_block + 1;
4144 if (EXT2FS_CLUSTER_RATIO(ctx->fs) > 1)
4145 new_lblk = ((new_lblk +
4146 EXT2FS_CLUSTER_RATIO(ctx->fs) - 1) &
4147 ~EXT2FS_CLUSTER_MASK(ctx->fs)) |
4149 EXT2FS_CLUSTER_MASK(ctx->fs));
4150 pctx->blk = extent.e_lblk;
4151 pctx->blk2 = new_lblk;
4152 if (fix_problem(ctx, PR_1_COLLAPSE_DBLOCK, pctx)) {
4153 e2fsck_pass1_fix_lock(ctx);
4154 extent.e_lblk = new_lblk;
4155 pb->inode_modified = 1;
4156 pctx->errcode = ext2fs_extent_replace(ehandle,
4158 e2fsck_pass1_fix_unlock(ctx);
4159 if (pctx->errcode) {
4163 e2fsck_pass1_fix_lock(ctx);
4164 pctx->errcode = ext2fs_extent_fix_parents(ehandle);
4165 e2fsck_pass1_fix_unlock(ctx);
4167 goto failed_add_dir_block;
4168 pctx->errcode = ext2fs_extent_goto(ehandle,
4171 goto failed_add_dir_block;
4172 last_lblk = extent.e_lblk + extent.e_len - 1;
4178 while (++pb->last_db_block <
4179 (e2_blkcnt_t) extent.e_lblk) {
4180 pctx->errcode = ext2fs_add_dir_block2(
4184 if (pctx->errcode) {
4186 pctx->num = pb->last_db_block;
4187 goto failed_add_dir_block;
4191 for (i = 0; i < extent.e_len; i++) {
4192 pctx->errcode = ext2fs_add_dir_block2(
4197 if (pctx->errcode) {
4198 pctx->blk = extent.e_pblk + i;
4199 pctx->num = extent.e_lblk + i;
4200 failed_add_dir_block:
4201 fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
4202 /* Should never get here */
4203 ctx->flags |= E2F_FLAG_ABORT;
4207 if (extent.e_len > 0)
4208 pb->last_db_block = extent.e_lblk + extent.e_len - 1;
4210 if (has_unaligned_cluster_map(ctx, pb->previous_block,
4214 for (i = 0; i < extent.e_len; i++) {
4215 pctx->blk = extent.e_lblk + i;
4216 pctx->blk2 = extent.e_pblk + i;
4217 fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
4218 mark_block_used(ctx, extent.e_pblk + i);
4219 mark_block_used(ctx, extent.e_pblk + i);
4224 * Check whether first cluster got marked in previous iteration.
4226 if (ctx->fs->cluster_ratio_bits &&
4227 pb->previous_block &&
4228 (EXT2FS_B2C(ctx->fs, extent.e_pblk) ==
4229 EXT2FS_B2C(ctx->fs, pb->previous_block)))
4230 /* Set blk to the beginning of next cluster. */
4233 EXT2FS_B2C(ctx->fs, extent.e_pblk) + 1);
4235 /* Set blk to the beginning of current cluster. */
4236 blk = EXT2FS_C2B(ctx->fs,
4237 EXT2FS_B2C(ctx->fs, extent.e_pblk));
4239 if (blk < extent.e_pblk + extent.e_len) {
4240 mark_blocks_used(ctx, blk,
4241 extent.e_pblk + extent.e_len - blk);
4242 n = DIV_ROUND_UP(extent.e_pblk + extent.e_len - blk,
4243 EXT2FS_CLUSTER_RATIO(ctx->fs));
4244 pb->num_blocks += n;
4246 pb->last_block = extent.e_lblk + extent.e_len - 1;
4247 pb->previous_block = extent.e_pblk + extent.e_len - 1;
4248 start_block = pb->last_block = last_lblk;
4249 if (is_leaf && !is_dir &&
4250 !(extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT))
4251 pb->last_init_lblock = last_lblk;
4253 pctx->errcode = ext2fs_extent_get(ehandle,
4254 EXT2_EXTENT_NEXT_SIB,
4258 /* Failed csum but passes checks? Ask to fix checksum. */
4260 fix_problem(ctx, PR_1_EXTENT_ONLY_CSUM_INVALID, pctx)) {
4261 e2fsck_pass1_fix_lock(ctx);
4262 pb->inode_modified = 1;
4263 pctx->errcode = ext2fs_extent_replace(ehandle, 0, &extent);
4264 e2fsck_pass1_fix_unlock(ctx);
4269 if (pctx->errcode == EXT2_ET_EXTENT_NO_NEXT)
4273 static void check_blocks_extents(e2fsck_t ctx, struct problem_context *pctx,
4274 struct process_block_struct *pb)
4276 struct ext2_extent_info info;
4277 struct ext2_inode *inode = pctx->inode;
4278 ext2_extent_handle_t ehandle;
4279 ext2_filsys fs = ctx->fs;
4280 ext2_ino_t ino = pctx->ino;
4283 struct ext3_extent_header *eh;
4285 /* Check for a proper extent header... */
4286 eh = (struct ext3_extent_header *) &inode->i_block[0];
4287 retval = ext2fs_extent_header_verify(eh, sizeof(inode->i_block));
4289 if (fix_problem(ctx, PR_1_MISSING_EXTENT_HEADER, pctx))
4290 e2fsck_clear_inode(ctx, ino, inode, 0,
4291 "check_blocks_extents");
4296 /* ...since this function doesn't fail if i_block is zeroed. */
4297 pctx->errcode = ext2fs_extent_open2(fs, ino, inode, &ehandle);
4298 if (pctx->errcode) {
4299 if (fix_problem(ctx, PR_1_READ_EXTENT, pctx))
4300 e2fsck_clear_inode(ctx, ino, inode, 0,
4301 "check_blocks_extents");
4306 retval = ext2fs_extent_get_info(ehandle, &info);
4308 int max_depth = info.max_depth;
4310 if (max_depth >= MAX_EXTENT_DEPTH_COUNT)
4311 max_depth = MAX_EXTENT_DEPTH_COUNT-1;
4312 ctx->extent_depth_count[max_depth]++;
4315 /* Check maximum extent depth */
4316 pctx->blk = info.max_depth;
4317 pctx->blk2 = ext2fs_max_extent_depth(ehandle);
4318 if (pctx->blk2 < pctx->blk &&
4319 fix_problem(ctx, PR_1_EXTENT_BAD_MAX_DEPTH, pctx))
4320 pb->eti.force_rebuild = 1;
4322 /* Can we collect extent tree level stats? */
4323 pctx->blk = MAX_EXTENT_DEPTH_COUNT;
4324 if (pctx->blk2 > pctx->blk)
4325 fix_problem(ctx, PR_1E_MAX_EXTENT_TREE_DEPTH, pctx);
4326 memset(pb->eti.ext_info, 0, sizeof(pb->eti.ext_info));
4327 pb->eti.ino = pb->ino;
4329 pb->next_lblock = 0;
4331 eof_lblk = ((EXT2_I_SIZE(inode) + fs->blocksize - 1) >>
4332 EXT2_BLOCK_SIZE_BITS(fs->super)) - 1;
4333 scan_extent_node(ctx, pctx, pb, 0, 0, eof_lblk, ehandle, 1);
4334 if (pctx->errcode &&
4335 fix_problem(ctx, PR_1_EXTENT_ITERATE_FAILURE, pctx)) {
4337 inode->i_blocks = 0;
4338 e2fsck_clear_inode(ctx, ino, inode, E2F_FLAG_RESTART,
4339 "check_blocks_extents");
4342 ext2fs_extent_free(ehandle);
4344 /* Rebuild unless it's a dir and we're rehashing it */
4345 if (LINUX_S_ISDIR(inode->i_mode) &&
4346 e2fsck_dir_will_be_rehashed(ctx, ino))
4349 if (ctx->options & E2F_OPT_CONVERT_BMAP)
4350 e2fsck_rebuild_extents_later(ctx, ino);
4352 e2fsck_should_rebuild_extents(ctx, pctx, &pb->eti, &info);
4356 * In fact we don't need to check blocks for an inode with inline data
4357 * because this inode doesn't have any blocks. In this function all
4358 * we need to do is add this inode into dblist when it is a directory.
4360 static void check_blocks_inline_data(e2fsck_t ctx, struct problem_context *pctx,
4361 struct process_block_struct *pb)
4364 size_t inline_data_size = 0;
4371 /* Process the dirents in i_block[] as the "first" block. */
4372 pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 0);
4376 /* Process the dirents in the EA as a "second" block. */
4377 flags = ctx->fs->flags;
4378 ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
4379 pctx->errcode = ext2fs_inline_data_size(ctx->fs, pb->ino,
4381 ctx->fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
4382 (ctx->fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
4383 if (pctx->errcode) {
4388 if (inline_data_size <= EXT4_MIN_INLINE_DATA_SIZE)
4391 pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pb->ino, 0, 1);
4399 fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
4400 ctx->flags |= E2F_FLAG_ABORT;
4404 * This subroutine is called on each inode to account for all of the
4405 * blocks used by that inode.
4407 static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
4408 char *block_buf, const struct ea_quota *ea_ibody_quota)
4410 ext2_filsys fs = ctx->fs;
4411 struct process_block_struct pb;
4412 ext2_ino_t ino = pctx->ino;
4413 struct ext2_inode *inode = pctx->inode;
4414 unsigned bad_size = 0;
4415 int dirty_inode = 0;
4419 struct ea_quota ea_block_quota;
4422 pb.num_blocks = EXT2FS_B2C(ctx->fs,
4423 ea_ibody_quota ? ea_ibody_quota->blocks : 0);
4425 pb.last_init_lblock = -1;
4426 pb.last_db_block = -1;
4427 pb.num_illegal_blocks = 0;
4428 pb.suppress = 0; pb.clear = 0;
4431 pb.previous_block = 0;
4432 pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
4433 pb.is_reg = LINUX_S_ISREG(inode->i_mode);
4434 pb.max_blocks = 1U << (31 - fs->super->s_log_block_size);
4438 pb.inode_modified = 0;
4439 pb.eti.force_rebuild = 0;
4443 extent_fs = ext2fs_has_feature_extents(ctx->fs->super);
4444 inlinedata_fs = ext2fs_has_feature_inline_data(ctx->fs->super);
4446 if (check_ext_attr(ctx, pctx, block_buf, &ea_block_quota)) {
4447 if (e2fsck_should_abort(ctx))
4449 pb.num_blocks += EXT2FS_B2C(ctx->fs, ea_block_quota.blocks);
4452 if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL))
4453 check_blocks_inline_data(ctx, pctx, &pb);
4454 else if (ext2fs_inode_has_valid_blocks2(fs, inode)) {
4455 if (extent_fs && (inode->i_flags & EXT4_EXTENTS_FL))
4456 check_blocks_extents(ctx, pctx, &pb);
4460 * If we've modified the inode, write it out before
4461 * iterate() tries to use it.
4464 e2fsck_write_inode(ctx, ino, inode,
4469 fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
4470 pctx->errcode = ext2fs_block_iterate3(fs, ino,
4471 pb.is_dir ? BLOCK_FLAG_HOLE : 0,
4472 block_buf, process_block, &pb);
4474 * We do not have uninitialized extents in non extent
4477 pb.last_init_lblock = pb.last_block;
4479 * If iterate() changed a block mapping, we have to
4480 * re-read the inode. If we decide to clear the
4481 * inode after clearing some stuff, we'll re-write the
4482 * bad mappings into the inode!
4484 if (pb.inode_modified)
4485 e2fsck_read_inode(ctx, ino, inode,
4487 fs->flags = (flags & EXT2_FLAG_IGNORE_CSUM_ERRORS) |
4488 (fs->flags & ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
4490 if (ctx->options & E2F_OPT_CONVERT_BMAP) {
4492 printf("bmap rebuild ino=%d\n", ino);
4494 if (!LINUX_S_ISDIR(inode->i_mode) ||
4495 !e2fsck_dir_will_be_rehashed(ctx, ino))
4496 e2fsck_rebuild_extents_later(ctx, ino);
4500 end_problem_latch(ctx, PR_LATCH_BLOCK);
4501 end_problem_latch(ctx, PR_LATCH_TOOBIG);
4502 if (e2fsck_should_abort(ctx))
4505 fix_problem(ctx, PR_1_BLOCK_ITERATE, pctx);
4507 if (pb.fragmented && pb.num_blocks < fs->super->s_blocks_per_group) {
4508 if (LINUX_S_ISDIR(inode->i_mode))
4509 ctx->fs_fragmented_dir++;
4511 ctx->fs_fragmented++;
4515 e2fsck_clear_inode(ctx, ino, inode, E2F_FLAG_RESTART,
4520 if (inode->i_flags & EXT2_INDEX_FL) {
4521 if (handle_htree(ctx, pctx, ino, inode, block_buf)) {
4522 inode->i_flags &= ~EXT2_INDEX_FL;
4525 e2fsck_add_dx_dir(ctx, ino, inode, pb.last_block+1);
4529 if (!pb.num_blocks && pb.is_dir &&
4530 !(inode->i_flags & EXT4_INLINE_DATA_FL)) {
4531 if (fix_problem(ctx, PR_1_ZERO_LENGTH_DIR, pctx)) {
4532 e2fsck_clear_inode(ctx, ino, inode, 0, "check_blocks");
4533 ctx->fs_directory_count--;
4538 if (ino != quota_type2inum(PRJQUOTA, fs->super) &&
4539 (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super)) &&
4540 !(inode->i_flags & EXT4_EA_INODE_FL)) {
4541 quota_data_add(ctx->qctx, (struct ext2_inode_large *) inode,
4543 pb.num_blocks * EXT2_CLUSTER_SIZE(fs->super));
4544 quota_data_inodes(ctx->qctx, (struct ext2_inode_large *) inode,
4545 ino, (ea_ibody_quota ?
4546 ea_ibody_quota->inodes : 0) +
4547 ea_block_quota.inodes + 1);
4550 if (!ext2fs_has_feature_huge_file(fs->super) ||
4551 !(inode->i_flags & EXT4_HUGE_FILE_FL))
4552 pb.num_blocks *= (fs->blocksize / 512);
4553 pb.num_blocks *= EXT2FS_CLUSTER_RATIO(fs);
4555 printf("inode %u, i_size = %u, last_block = %llu, i_blocks=%llu, num_blocks = %llu\n",
4556 ino, inode->i_size, (unsigned long long) pb.last_block,
4557 (unsigned long long) ext2fs_inode_i_blocks(fs, inode),
4558 (unsigned long long) pb.num_blocks);
4560 size = EXT2_I_SIZE(inode);
4562 unsigned nblock = size >> EXT2_BLOCK_SIZE_BITS(fs->super);
4563 if (inode->i_flags & EXT4_INLINE_DATA_FL) {
4568 flags = ctx->fs->flags;
4569 ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
4570 err = ext2fs_inline_data_size(ctx->fs, pctx->ino,
4572 ctx->fs->flags = (flags &
4573 EXT2_FLAG_IGNORE_CSUM_ERRORS) |
4575 ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
4576 if (err || sz != size) {
4580 } else if (size & (fs->blocksize - 1))
4582 else if (nblock > (pb.last_block + 1))
4584 else if (nblock < (pb.last_block + 1)) {
4585 if (((pb.last_block + 1) - nblock) >
4586 fs->super->s_prealloc_dir_blocks)
4590 if ((pb.last_init_lblock >= 0) &&
4591 /* Do not allow initialized allocated blocks past i_size*/
4592 (size < (__u64)pb.last_init_lblock * fs->blocksize) &&
4593 !(inode->i_flags & EXT4_VERITY_FL))
4595 else if (!(extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) &&
4596 size > ext2_max_sizes[fs->super->s_log_block_size])
4597 /* too big for a direct/indirect-mapped file */
4599 else if ((extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) &&
4601 ((1ULL << (32 + EXT2_BLOCK_SIZE_BITS(fs->super))) - 1))
4602 /* too big for an extent-based file - 32bit ee_block */
4605 /* i_size for symlinks is checked elsewhere */
4606 if (bad_size && !LINUX_S_ISLNK(inode->i_mode)) {
4607 /* Did inline_data set pctx->num earlier? */
4609 pctx->num = (pb.last_block + 1) * fs->blocksize;
4610 pctx->group = bad_size;
4611 if (fix_problem(ctx, PR_1_BAD_I_SIZE, pctx)) {
4612 ext2fs_inode_size_set(fs, inode, pctx->num);
4613 if (EXT2_I_SIZE(inode) == 0 &&
4614 (inode->i_flags & EXT4_INLINE_DATA_FL)) {
4615 memset(inode->i_block, 0,
4616 sizeof(inode->i_block));
4617 inode->i_flags &= ~EXT4_INLINE_DATA_FL;
4623 if (LINUX_S_ISREG(inode->i_mode) &&
4624 ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
4626 if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
4627 ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
4628 (ext2fs_has_feature_huge_file(fs->super) &&
4629 (inode->i_flags & EXT4_HUGE_FILE_FL) &&
4630 (inode->osd2.linux2.l_i_blocks_hi != 0)))) {
4631 pctx->num = pb.num_blocks;
4632 if (fix_problem(ctx, PR_1_BAD_I_BLOCKS, pctx)) {
4633 inode->i_blocks = pb.num_blocks;
4634 inode->osd2.linux2.l_i_blocks_hi = pb.num_blocks >> 32;
4641 * The kernel gets mad if we ask it to allocate bigalloc clusters to
4642 * a block mapped file, so rebuild it as an extent file. We can skip
4643 * symlinks because they're never rewritten.
4645 if (ext2fs_has_feature_bigalloc(fs->super) &&
4646 (LINUX_S_ISREG(inode->i_mode) || LINUX_S_ISDIR(inode->i_mode)) &&
4647 ext2fs_inode_data_blocks2(fs, inode) > 0 &&
4648 (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INO(fs->super)) &&
4649 !(inode->i_flags & (EXT4_EXTENTS_FL | EXT4_INLINE_DATA_FL)) &&
4650 fix_problem(ctx, PR_1_NO_BIGALLOC_BLOCKMAP_FILES, pctx)) {
4651 pctx->errcode = e2fsck_rebuild_extents_later(ctx, ino);
4656 if (ctx->dirs_to_hash && pb.is_dir &&
4657 !(ctx->lost_and_found && ctx->lost_and_found == ino) &&
4658 !(inode->i_flags & EXT2_INDEX_FL) &&
4659 ((inode->i_size / fs->blocksize) >= 3))
4660 e2fsck_rehash_dir_later(ctx, ino);
4664 e2fsck_write_inode(ctx, ino, inode, "check_blocks");
4669 * Helper function called by process block when an illegal block is
4670 * found. It returns a description about why the block is illegal
4672 static char *describe_illegal_block(ext2_filsys fs, blk64_t block)
4676 static char problem[80];
4678 super = fs->super->s_first_data_block;
4679 strcpy(problem, "PROGRAMMING ERROR: Unknown reason for illegal block");
4680 if (block < super) {
4681 sprintf(problem, "< FIRSTBLOCK (%u)", super);
4683 } else if (block >= ext2fs_blocks_count(fs->super)) {
4684 sprintf(problem, "> BLOCKS (%u)", ext2fs_blocks_count(fs->super));
4687 for (i = 0; i < fs->group_desc_count; i++) {
4688 if (block == super) {
4689 sprintf(problem, "is the superblock in group %d", i);
4692 if (block > super &&
4693 block <= (super + fs->desc_blocks)) {
4694 sprintf(problem, "is in the group descriptors "
4698 if (block == ext2fs_block_bitmap_loc(fs, i)) {
4699 sprintf(problem, "is the block bitmap of group %d", i);
4702 if (block == ext2fs_inode_bitmap_loc(fs, i)) {
4703 sprintf(problem, "is the inode bitmap of group %d", i);
4706 if (block >= ext2fs_inode_table_loc(fs, i) &&
4707 (block < ext2fs_inode_table_loc(fs, i)
4708 + fs->inode_blocks_per_group)) {
4709 sprintf(problem, "is in the inode table of group %d",
4713 super += fs->super->s_blocks_per_group;
4720 * This is a helper function for check_blocks().
4722 static int process_block(ext2_filsys fs,
4724 e2_blkcnt_t blockcnt,
4725 blk64_t ref_block EXT2FS_ATTR((unused)),
4726 int ref_offset EXT2FS_ATTR((unused)),
4729 struct process_block_struct *p;
4730 struct problem_context *pctx;
4731 blk64_t blk = *block_nr;
4733 problem_t problem = 0;
4736 p = (struct process_block_struct *) priv_data;
4741 * For a directory, add logical block zero for processing even if it's
4742 * not mapped or we'll be perennially stuck with broken "." and ".."
4745 if (p->is_dir && blockcnt == 0 && blk == 0) {
4746 pctx->errcode = ext2fs_add_dir_block2(fs->dblist, p->ino, 0, 0);
4747 if (pctx->errcode) {
4749 pctx->num = blockcnt;
4750 goto failed_add_dir_block;
4759 printf("Process_block, inode %lu, block %u, #%d\n", p->ino, blk,
4764 * Simplistic fragmentation check. We merely require that the
4765 * file be contiguous. (Which can never be true for really
4766 * big files that are greater than a block group.)
4768 if (p->previous_block && p->ino != EXT2_RESIZE_INO) {
4769 if (p->previous_block+1 != blk) {
4770 if (ctx->options & E2F_OPT_FRAGCHECK) {
4778 printf(_("%6lu(%c): expecting %6lu "
4779 "got phys %6lu (blkcnt %lld)\n"),
4780 (unsigned long) pctx->ino, type,
4781 (unsigned long) p->previous_block+1,
4782 (unsigned long) blk,
4783 (long long) blockcnt);
4789 if (p->is_dir && !ext2fs_has_feature_largedir(fs->super) &&
4790 !pctx->inode->i_size_high &&
4791 blockcnt > (1 << (21 - fs->super->s_log_block_size)))
4792 problem = PR_1_TOOBIG_DIR;
4793 if (p->is_dir && p->num_blocks + 1 >= p->max_blocks)
4794 problem = PR_1_TOOBIG_DIR;
4795 if (p->is_reg && p->num_blocks + 1 >= p->max_blocks)
4796 problem = PR_1_TOOBIG_REG;
4797 if (!p->is_dir && !p->is_reg && blockcnt > 0)
4798 problem = PR_1_TOOBIG_SYMLINK;
4800 if (blk < fs->super->s_first_data_block ||
4801 blk >= ext2fs_blocks_count(fs->super))
4802 problem = PR_1_ILLEGAL_BLOCK_NUM;
4805 * If this IND/DIND/TIND block is squatting atop some critical metadata
4806 * (group descriptors, superblock, bitmap, inode table), any write to
4807 * "fix" mapping problems will destroy the metadata. We'll let pass 1b
4808 * fix that and restart fsck.
4811 p->ino != EXT2_RESIZE_INO &&
4812 blk < ctx->fs->super->s_blocks_count &&
4813 ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk)) {
4815 fix_problem(ctx, PR_1_CRITICAL_METADATA_COLLISION, pctx);
4816 if ((ctx->options & E2F_OPT_NO) == 0)
4817 ctx->flags |= E2F_FLAG_RESTART_LATER;
4821 p->num_illegal_blocks++;
4823 * A bit of subterfuge here -- we're trying to fix a block
4824 * mapping, but the IND/DIND/TIND block could have collided
4825 * with some critical metadata. So, fix the in-core mapping so
4826 * iterate won't go insane, but return 0 instead of
4827 * BLOCK_CHANGED so that it won't write the remapping out to
4828 * our multiply linked block.
4830 * Even if we previously determined that an *IND block
4831 * conflicts with critical metadata, we must still try to
4832 * iterate the *IND block as if it is an *IND block to find and
4833 * mark the blocks it points to. Better to be overly cautious
4834 * with the used_blocks map so that we don't move the *IND
4835 * block to a block that's really in use!
4837 if (p->ino != EXT2_RESIZE_INO &&
4839 ext2fs_test_block_bitmap2(ctx->block_metadata_map,
4844 if (!p->suppress && (p->num_illegal_blocks % 12) == 0) {
4845 if (fix_problem(ctx, PR_1_TOO_MANY_BAD_BLOCKS, pctx)) {
4849 if (fix_problem(ctx, PR_1_SUPPRESS_MESSAGES, pctx)) {
4851 set_latch_flags(PR_LATCH_BLOCK,
4856 pctx->blkcount = blockcnt;
4857 if (fix_problem(ctx, problem, pctx)) {
4858 blk = *block_nr = 0;
4859 ret_code = BLOCK_CHANGED;
4860 p->inode_modified = 1;
4862 * If the directory block is too big and is beyond the
4863 * end of the FS, don't bother trying to add it for
4864 * processing -- the kernel would never have created a
4865 * directory this large, and we risk an ENOMEM abort.
4866 * In any case, the toobig handler for extent-based
4867 * directories also doesn't feed toobig blocks to
4870 if (problem == PR_1_TOOBIG_DIR)
4877 if (p->ino == EXT2_RESIZE_INO) {
4879 * The resize inode has already be sanity checked
4880 * during pass #0 (the superblock checks). All we
4881 * have to do is mark the double indirect block as
4882 * being in use; all of the other blocks are handled
4883 * by mark_table_blocks()).
4885 if (blockcnt == BLOCK_COUNT_DIND)
4886 mark_block_used(ctx, blk);
4888 } else if (!(ctx->fs->cluster_ratio_bits &&
4889 p->previous_block &&
4890 (EXT2FS_B2C(ctx->fs, blk) ==
4891 EXT2FS_B2C(ctx->fs, p->previous_block)) &&
4892 (blk & EXT2FS_CLUSTER_MASK(ctx->fs)) ==
4893 ((unsigned) blockcnt & EXT2FS_CLUSTER_MASK(ctx->fs)))) {
4894 mark_block_used(ctx, blk);
4896 } else if (has_unaligned_cluster_map(ctx, p->previous_block,
4897 p->last_block, blk, blockcnt)) {
4898 pctx->blk = blockcnt;
4900 fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
4901 mark_block_used(ctx, blk);
4902 mark_block_used(ctx, blk);
4905 p->last_block = blockcnt;
4906 p->previous_block = blk;
4908 if (p->is_dir && (blockcnt >= 0)) {
4909 while (++p->last_db_block < blockcnt) {
4910 pctx->errcode = ext2fs_add_dir_block2(fs->dblist,
4913 if (pctx->errcode) {
4915 pctx->num = p->last_db_block;
4916 goto failed_add_dir_block;
4919 pctx->errcode = ext2fs_add_dir_block2(fs->dblist, p->ino,
4921 if (pctx->errcode) {
4923 pctx->num = blockcnt;
4924 failed_add_dir_block:
4925 fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
4926 /* Should never get here */
4927 ctx->flags |= E2F_FLAG_ABORT;
4934 static int process_bad_block(ext2_filsys fs,
4936 e2_blkcnt_t blockcnt,
4937 blk64_t ref_block EXT2FS_ATTR((unused)),
4938 int ref_offset EXT2FS_ATTR((unused)),
4941 struct process_block_struct *p;
4942 blk64_t blk = *block_nr;
4943 blk64_t first_block;
4945 struct problem_context *pctx;
4951 p = (struct process_block_struct *) priv_data;
4955 pctx->ino = EXT2_BAD_INO;
4957 pctx->blkcount = blockcnt;
4959 if ((blk < fs->super->s_first_data_block) ||
4960 (blk >= ext2fs_blocks_count(fs->super))) {
4961 if (fix_problem(ctx, PR_1_BB_ILLEGAL_BLOCK_NUM, pctx)) {
4963 return BLOCK_CHANGED;
4969 e2fsck_pass1_block_map_lock(ctx);
4970 if (ext2fs_test_block_bitmap2(p->fs_meta_blocks, blk)) {
4972 if (fix_problem(ctx, PR_1_BB_FS_BLOCK, pctx)) {
4974 e2fsck_pass1_block_map_unlock(ctx);
4975 return BLOCK_CHANGED;
4977 } else if (ext2fs_test_block_bitmap2(ctx->block_found_map,
4980 if (fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK,
4983 e2fsck_pass1_block_map_unlock(ctx);
4984 return BLOCK_CHANGED;
4986 if (e2fsck_should_abort(ctx)) {
4987 e2fsck_pass1_block_map_unlock(ctx);
4991 mark_block_used_unlocked(ctx, blk);
4993 e2fsck_pass1_block_map_unlock(ctx);
4997 printf ("DEBUG: Marking %u as bad.\n", blk);
4999 ctx->fs_badblocks_count++;
5001 * If the block is not used, then mark it as used and return.
5002 * If it is already marked as found, this must mean that
5003 * there's an overlap between the filesystem table blocks
5004 * (bitmaps and inode table) and the bad block list.
5006 e2fsck_pass1_block_map_lock(ctx);
5007 if (!ext2fs_test_block_bitmap2(ctx->block_found_map, blk)) {
5008 ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
5009 e2fsck_pass1_block_map_unlock(ctx);
5012 e2fsck_pass1_block_map_unlock(ctx);
5014 * Try to find the where the filesystem block was used...
5016 first_block = fs->super->s_first_data_block;
5018 for (i = 0; i < fs->group_desc_count; i++ ) {
5021 if (!ext2fs_bg_has_super(fs, i))
5023 if (blk == first_block) {
5025 if (fix_problem(ctx,
5026 PR_1_BAD_PRIMARY_SUPERBLOCK,
5029 return BLOCK_CHANGED;
5033 fix_problem(ctx, PR_1_BAD_SUPERBLOCK, pctx);
5036 if ((blk > first_block) &&
5037 (blk <= first_block + fs->desc_blocks)) {
5039 pctx->blk = *block_nr;
5040 if (fix_problem(ctx,
5041 PR_1_BAD_PRIMARY_GROUP_DESCRIPTOR, pctx)) {
5043 return BLOCK_CHANGED;
5047 fix_problem(ctx, PR_1_BAD_GROUP_DESCRIPTORS, pctx);
5051 if (blk == ext2fs_block_bitmap_loc(fs, i)) {
5052 if (fix_problem(ctx, PR_1_BB_BAD_BLOCK, pctx)) {
5053 ctx->invalid_block_bitmap_flag[i]++;
5054 ctx->invalid_bitmaps++;
5058 if (blk == ext2fs_inode_bitmap_loc(fs, i)) {
5059 if (fix_problem(ctx, PR_1_IB_BAD_BLOCK, pctx)) {
5060 ctx->invalid_inode_bitmap_flag[i]++;
5061 ctx->invalid_bitmaps++;
5065 if ((blk >= ext2fs_inode_table_loc(fs, i)) &&
5066 (blk < (ext2fs_inode_table_loc(fs, i) +
5067 fs->inode_blocks_per_group))) {
5069 * If there are bad blocks in the inode table,
5070 * the inode scan code will try to do
5071 * something reasonable automatically.
5075 first_block += fs->super->s_blocks_per_group;
5078 * If we've gotten to this point, then the only
5079 * possibility is that the bad block inode meta data
5080 * is using a bad block.
5082 if ((blk == p->inode->i_block[EXT2_IND_BLOCK]) ||
5083 (blk == p->inode->i_block[EXT2_DIND_BLOCK]) ||
5084 (blk == p->inode->i_block[EXT2_TIND_BLOCK])) {
5086 if (fix_problem(ctx, PR_1_BBINODE_BAD_METABLOCK, pctx)) {
5088 return BLOCK_CHANGED;
5090 if (e2fsck_should_abort(ctx))
5097 /* Warn user that the block wasn't claimed */
5098 fix_problem(ctx, PR_1_PROGERR_CLAIMED_BLOCK, pctx);
5103 static void new_table_block(e2fsck_t ctx, blk64_t first_block, dgrp_t group,
5104 const char *name, int num, blk64_t *new_block)
5106 ext2_filsys fs = ctx->fs;
5108 blk64_t old_block = *new_block;
5111 unsigned flexbg_size;
5114 struct problem_context pctx;
5116 clear_problem_context(&pctx);
5119 pctx.blk = old_block;
5123 * For flex_bg filesystems, first try to allocate the metadata
5124 * within the flex_bg, and if that fails then try finding the
5125 * space anywhere in the filesystem.
5127 is_flexbg = ext2fs_has_feature_flex_bg(fs->super);
5129 flexbg_size = 1 << fs->super->s_log_groups_per_flex;
5130 flexbg = group / flexbg_size;
5131 first_block = ext2fs_group_first_block2(fs,
5132 flexbg_size * flexbg);
5133 last_grp = group | (flexbg_size - 1);
5134 if (last_grp >= fs->group_desc_count)
5135 last_grp = fs->group_desc_count - 1;
5136 last_block = ext2fs_group_last_block2(fs, last_grp);
5138 last_block = ext2fs_group_last_block2(fs, group);
5139 pctx.errcode = ext2fs_get_free_blocks2(fs, first_block, last_block,
5140 num, ctx->block_found_map,
5142 if (is_flexbg && (pctx.errcode == EXT2_ET_BLOCK_ALLOC_FAIL))
5143 pctx.errcode = ext2fs_get_free_blocks2(fs,
5144 fs->super->s_first_data_block,
5145 ext2fs_blocks_count(fs->super),
5146 num, ctx->block_found_map, new_block);
5149 fix_problem(ctx, PR_1_RELOC_BLOCK_ALLOCATE, &pctx);
5150 ext2fs_unmark_valid(fs);
5151 ctx->flags |= E2F_FLAG_ABORT;
5154 pctx.errcode = ext2fs_get_mem(fs->blocksize, &buf);
5156 fix_problem(ctx, PR_1_RELOC_MEMORY_ALLOCATE, &pctx);
5157 ext2fs_unmark_valid(fs);
5158 ctx->flags |= E2F_FLAG_ABORT;
5161 ext2fs_mark_super_dirty(fs);
5162 fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
5163 pctx.blk2 = *new_block;
5164 fix_problem(ctx, (old_block ? PR_1_RELOC_FROM_TO :
5165 PR_1_RELOC_TO), &pctx);
5167 e2fsck_pass1_block_map_lock(ctx);
5168 for (i = 0; i < num; i++) {
5170 ext2fs_mark_block_bitmap2(ctx->block_found_map, (*new_block)+i);
5172 pctx.errcode = io_channel_read_blk64(fs->io,
5173 old_block + i, 1, buf);
5175 fix_problem(ctx, PR_1_RELOC_READ_ERR, &pctx);
5176 pctx.blk = (*new_block) + i;
5177 pctx.errcode = io_channel_write_blk64(fs->io, pctx.blk,
5180 pctx.blk = (*new_block) + i;
5181 pctx.errcode = ext2fs_zero_blocks2(fs, pctx.blk, 1,
5186 fix_problem(ctx, PR_1_RELOC_WRITE_ERR, &pctx);
5188 e2fsck_pass1_block_map_unlock(ctx);
5189 ext2fs_free_mem(&buf);
5193 * This routine gets called at the end of pass 1 if bad blocks are
5194 * detected in the superblock, group descriptors, inode_bitmaps, or
5195 * block bitmaps. At this point, all of the blocks have been mapped
5196 * out, so we can try to allocate new block(s) to replace the bad
5199 static void handle_fs_bad_blocks(e2fsck_t ctx)
5201 ext2_filsys fs = ctx->fs;
5203 blk64_t first_block;
5206 for (i = 0; i < fs->group_desc_count; i++) {
5207 first_block = ext2fs_group_first_block2(fs, i);
5209 if (ctx->invalid_block_bitmap_flag[i]) {
5210 new_blk = ext2fs_block_bitmap_loc(fs, i);
5211 new_table_block(ctx, first_block, i, _("block bitmap"),
5213 ext2fs_block_bitmap_loc_set(fs, i, new_blk);
5215 if (ctx->invalid_inode_bitmap_flag[i]) {
5216 new_blk = ext2fs_inode_bitmap_loc(fs, i);
5217 new_table_block(ctx, first_block, i, _("inode bitmap"),
5219 ext2fs_inode_bitmap_loc_set(fs, i, new_blk);
5221 if (ctx->invalid_inode_table_flag[i]) {
5222 new_blk = ext2fs_inode_table_loc(fs, i);
5223 new_table_block(ctx, first_block, i, _("inode table"),
5224 fs->inode_blocks_per_group,
5226 ext2fs_inode_table_loc_set(fs, i, new_blk);
5227 ctx->flags |= E2F_FLAG_RESTART;
5230 ctx->invalid_bitmaps = 0;
5234 * This routine marks all blocks which are used by the superblock,
5235 * group descriptors, inode bitmaps, and block bitmaps.
5237 static void mark_table_blocks(e2fsck_t ctx)
5239 ext2_filsys fs = ctx->fs;
5243 struct problem_context pctx;
5245 clear_problem_context(&pctx);
5247 for (i = 0; i < fs->group_desc_count; i++) {
5250 ext2fs_reserve_super_and_bgd(fs, i, ctx->block_found_map);
5251 ext2fs_reserve_super_and_bgd(fs, i, ctx->block_metadata_map);
5254 * Mark the blocks used for the inode table
5256 if (ext2fs_inode_table_loc(fs, i)) {
5257 for (j = 0, b = ext2fs_inode_table_loc(fs, i);
5258 j < fs->inode_blocks_per_group;
5260 if (ext2fs_test_block_bitmap2(ctx->block_found_map,
5263 if (!ctx->invalid_inode_table_flag[i] &&
5265 PR_1_ITABLE_CONFLICT, &pctx)) {
5266 ctx->invalid_inode_table_flag[i]++;
5267 ctx->invalid_bitmaps++;
5270 ext2fs_mark_block_bitmap2(
5271 ctx->block_found_map, b);
5272 ext2fs_mark_block_bitmap2(
5273 ctx->block_metadata_map, b);
5279 * Mark block used for the block bitmap
5281 if (ext2fs_block_bitmap_loc(fs, i)) {
5282 if (ext2fs_test_block_bitmap2(ctx->block_found_map,
5283 ext2fs_block_bitmap_loc(fs, i))) {
5284 pctx.blk = ext2fs_block_bitmap_loc(fs, i);
5285 if (fix_problem(ctx, PR_1_BB_CONFLICT, &pctx)) {
5286 ctx->invalid_block_bitmap_flag[i]++;
5287 ctx->invalid_bitmaps++;
5290 ext2fs_mark_block_bitmap2(ctx->block_found_map,
5291 ext2fs_block_bitmap_loc(fs, i));
5292 ext2fs_mark_block_bitmap2(ctx->block_metadata_map,
5293 ext2fs_block_bitmap_loc(fs, i));
5297 * Mark block used for the inode bitmap
5299 if (ext2fs_inode_bitmap_loc(fs, i)) {
5300 if (ext2fs_test_block_bitmap2(ctx->block_found_map,
5301 ext2fs_inode_bitmap_loc(fs, i))) {
5302 pctx.blk = ext2fs_inode_bitmap_loc(fs, i);
5303 if (fix_problem(ctx, PR_1_IB_CONFLICT, &pctx)) {
5304 ctx->invalid_inode_bitmap_flag[i]++;
5305 ctx->invalid_bitmaps++;
5308 ext2fs_mark_block_bitmap2(ctx->block_metadata_map,
5309 ext2fs_inode_bitmap_loc(fs, i));
5310 ext2fs_mark_block_bitmap2(ctx->block_found_map,
5311 ext2fs_inode_bitmap_loc(fs, i));
5318 * These subroutines short circuits ext2fs_get_blocks and
5319 * ext2fs_check_directory; we use them since we already have the inode
5320 * structure, so there's no point in letting the ext2fs library read
5323 static errcode_t pass1_get_blocks(ext2_filsys fs, ext2_ino_t ino,
5326 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5329 if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
5330 return EXT2_ET_CALLBACK_NOTHANDLED;
5332 for (i=0; i < EXT2_N_BLOCKS; i++)
5333 blocks[i] = ctx->stashed_inode->i_block[i];
5337 static errcode_t pass1_read_inode(ext2_filsys fs, ext2_ino_t ino,
5338 struct ext2_inode *inode)
5340 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5342 if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
5343 return EXT2_ET_CALLBACK_NOTHANDLED;
5344 *inode = *ctx->stashed_inode;
5348 static errcode_t pass1_write_inode(ext2_filsys fs, ext2_ino_t ino,
5349 struct ext2_inode *inode)
5351 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5353 if ((ino == ctx->stashed_ino) && ctx->stashed_inode &&
5354 (inode != ctx->stashed_inode))
5355 *ctx->stashed_inode = *inode;
5356 return EXT2_ET_CALLBACK_NOTHANDLED;
5359 static errcode_t pass1_check_directory(ext2_filsys fs, ext2_ino_t ino)
5361 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5363 if ((ino != ctx->stashed_ino) || !ctx->stashed_inode)
5364 return EXT2_ET_CALLBACK_NOTHANDLED;
5366 if (!LINUX_S_ISDIR(ctx->stashed_inode->i_mode))
5367 return EXT2_ET_NO_DIRECTORY;
5371 static errcode_t e2fsck_get_alloc_block(ext2_filsys fs, blk64_t goal,
5374 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5378 if (ctx->block_found_map) {
5379 retval = ext2fs_new_block2(fs, goal, ctx->block_found_map,
5383 if (fs->block_map) {
5384 ext2fs_mark_block_bitmap2(fs->block_map, new_block);
5385 ext2fs_mark_bb_dirty(fs);
5388 if (!fs->block_map) {
5389 retval = ext2fs_read_block_bitmap(fs);
5394 retval = ext2fs_new_block2(fs, goal, fs->block_map, &new_block);
5403 static errcode_t e2fsck_new_range(ext2_filsys fs, int flags, blk64_t goal,
5404 blk64_t len, blk64_t *pblk, blk64_t *plen)
5406 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5409 if (ctx->block_found_map)
5410 return ext2fs_new_range(fs, flags, goal, len,
5411 ctx->block_found_map, pblk, plen);
5413 if (!fs->block_map) {
5414 retval = ext2fs_read_block_bitmap(fs);
5419 return ext2fs_new_range(fs, flags, goal, len, fs->block_map,
5423 static void e2fsck_block_alloc_stats(ext2_filsys fs, blk64_t blk, int inuse)
5425 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5427 /* Never free a critical metadata block */
5428 if (ctx->block_found_map &&
5429 ctx->block_metadata_map &&
5431 ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk))
5434 if (ctx->block_found_map) {
5436 ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
5438 ext2fs_unmark_block_bitmap2(ctx->block_found_map, blk);
5442 static void e2fsck_block_alloc_stats_range(ext2_filsys fs, blk64_t blk,
5443 blk_t num, int inuse)
5445 e2fsck_t ctx = (e2fsck_t) fs->priv_data;
5447 /* Never free a critical metadata block */
5448 if (ctx->block_found_map &&
5449 ctx->block_metadata_map &&
5451 ext2fs_test_block_bitmap_range2(ctx->block_metadata_map, blk, num))
5454 if (ctx->block_found_map) {
5456 ext2fs_mark_block_bitmap_range2(ctx->block_found_map,
5459 ext2fs_unmark_block_bitmap_range2(ctx->block_found_map,
5464 void e2fsck_use_inode_shortcuts(e2fsck_t ctx, int use_shortcuts)
5466 ext2_filsys fs = ctx->fs;
5468 if (use_shortcuts) {
5469 fs->get_blocks = pass1_get_blocks;
5470 fs->check_directory = pass1_check_directory;
5471 fs->read_inode = pass1_read_inode;
5472 fs->write_inode = pass1_write_inode;
5473 ctx->stashed_ino = 0;
5476 fs->check_directory = 0;
5478 fs->write_inode = 0;
5482 void e2fsck_intercept_block_allocations(e2fsck_t ctx)
5484 ext2fs_set_alloc_block_callback(ctx->fs, e2fsck_get_alloc_block, 0);
5485 ext2fs_set_block_alloc_stats_callback(ctx->fs,
5486 e2fsck_block_alloc_stats, 0);
5487 ext2fs_set_new_range_callback(ctx->fs, e2fsck_new_range, NULL);
5488 ext2fs_set_block_alloc_stats_range_callback(ctx->fs,
5489 e2fsck_block_alloc_stats_range, NULL);