int a_len, b_len;
de_a = (const struct ext2_dir_entry *) a;
- a_len = de_a->name_len & 0xFF;
+ a_len = ext2fs_dirent_name_len(de_a);
de_b = (const struct ext2_dir_entry *) b;
- b_len = de_b->name_len & 0xFF;
+ b_len = ext2fs_dirent_name_len(de_b);
if (a_len != b_len)
return (a_len - b_len);
if (!dirent->inode)
problem = PR_2_MISSING_DOT;
- else if (((dirent->name_len & 0xFF) != 1) ||
+ else if ((ext2fs_dirent_name_len(dirent) != 1) ||
(dirent->name[0] != '.'))
problem = PR_2_1ST_NOT_DOT;
else if (dirent->name[1] != '\0')
if (rec_len < 12)
rec_len = dirent->rec_len = 12;
dirent->inode = ino;
- dirent->name_len = 1;
+ ext2fs_dirent_set_name_len(dirent, 1);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
dirent->name[0] = '.';
dirent->name[1] = '\0';
status = 1;
(void) ext2fs_set_rec_len(ctx->fs, new_len,
nextdir);
nextdir->inode = 0;
- nextdir->name_len = 0;
+ ext2fs_dirent_set_name_len(nextdir, 0);
+ ext2fs_dirent_set_file_type(nextdir,
+ EXT2_FT_UNKNOWN);
status = 1;
}
}
if (!dirent->inode)
problem = PR_2_MISSING_DOT_DOT;
- else if (((dirent->name_len & 0xFF) != 2) ||
+ else if ((ext2fs_dirent_name_len(dirent) != 2) ||
(dirent->name[0] != '.') ||
(dirent->name[1] != '.'))
problem = PR_2_2ND_NOT_DOT_DOT;
* inode. This will get fixed in pass 3.
*/
dirent->inode = EXT2_ROOT_INO;
- dirent->name_len = 2;
+ ext2fs_dirent_set_name_len(dirent, 2);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
dirent->name[0] = '.';
dirent->name[1] = '.';
dirent->name[2] = '\0';
int fixup = -1;
int ret = 0;
- for ( i = 0; i < (dirent->name_len & 0xFF); i++) {
+ for ( i = 0; i < ext2fs_dirent_name_len(dirent); i++) {
if (dirent->name[i] == '/' || dirent->name[i] == '\0') {
if (fixup < 0) {
fixup = fix_problem(ctx, PR_2_BAD_NAME, pctx);
ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
struct problem_context *pctx)
{
- int filetype = dirent->name_len >> 8;
+ int filetype = ext2fs_dirent_file_type(dirent);
int should_be = EXT2_FT_UNKNOWN;
struct ext2_inode inode;
if (filetype == 0 ||
!fix_problem(ctx, PR_2_CLEAR_FILETYPE, pctx))
return 0;
- dirent->name_len = dirent->name_len & 0xFF;
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
return 1;
}
pctx) == 0)
return 0;
- dirent->name_len = (dirent->name_len & 0xFF) | should_be << 8;
+ ext2fs_dirent_set_file_type(dirent, should_be);
return 1;
}
struct ext2_db_entry2 *db,
struct check_dir_struct *cd,
struct dx_dir_info *dx_dir,
- char *block_buf)
+ char *block_buf, int failed_csum)
{
struct ext2_dx_root_info *root;
struct ext2_dx_entry *ent;
ext2_dirhash_t min_hash = 0xffffffff;
ext2_dirhash_t max_hash = 0;
ext2_dirhash_t hash = 0, prev_hash;
+ int csum_size = 0;
if (db->blockcnt == 0) {
root = (struct ext2_dx_root_info *) (block_buf + 24);
#endif
ent = (struct ext2_dx_entry *) (block_buf + 24 + root->info_length);
+
+ if (failed_csum &&
+ (e2fsck_dir_will_be_rehashed(cd->ctx, cd->pctx.ino) ||
+ fix_problem(cd->ctx, PR_2_HTREE_ROOT_CSUM_INVALID,
+ &cd->pctx)))
+ goto clear_and_exit;
} else {
ent = (struct ext2_dx_entry *) (block_buf+8);
+
+ if (failed_csum &&
+ (e2fsck_dir_will_be_rehashed(cd->ctx, cd->pctx.ino) ||
+ fix_problem(cd->ctx, PR_2_HTREE_NODE_CSUM_INVALID,
+ &cd->pctx)))
+ goto clear_and_exit;
}
+
limit = (struct ext2_dx_countlimit *) ent;
#ifdef DX_DEBUG
#endif
count = ext2fs_le16_to_cpu(limit->count);
- expect_limit = (fs->blocksize - ((char *) ent - block_buf)) /
- sizeof(struct ext2_dx_entry);
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
+ csum_size = sizeof(struct ext2_dx_tail);
+ expect_limit = (fs->blocksize -
+ (csum_size + ((char *) ent - block_buf))) /
+ sizeof(struct ext2_dx_entry);
if (ext2fs_le16_to_cpu(limit->limit) != expect_limit) {
cd->pctx.num = ext2fs_le16_to_cpu(limit->limit);
if (fix_problem(cd->ctx, PR_2_HTREE_BAD_LIMIT, &cd->pctx))
clear_and_exit:
clear_htree(cd->ctx, cd->pctx.ino);
dx_dir->numblocks = 0;
+ e2fsck_rehash_dir_later(cd->ctx, cd->pctx.ino);
}
#endif /* ENABLE_HTREE */
char *cp = (char *) dirent;
int left;
unsigned int rec_len, prev_rec_len;
- unsigned int name_len = dirent->name_len & 0xFF;
+ unsigned int name_len = ext2fs_dirent_name_len(dirent);
(void) ext2fs_get_rec_len(fs, dirent, &rec_len);
left = fs->blocksize - *offset - rec_len;
} else {
rec_len = fs->blocksize - *offset;
(void) ext2fs_set_rec_len(fs, rec_len, dirent);
- dirent->name_len = 0;
+ ext2fs_dirent_set_name_len(dirent, 0);
+ ext2fs_dirent_set_file_type(dirent, EXT2_FT_UNKNOWN);
dirent->inode = 0;
}
}
struct problem_context pctx;
int dups_found = 0;
int ret;
+ int dx_csum_size = 0, de_csum_size = 0;
+ int failed_csum = 0;
+ int is_leaf = 1;
cd = (struct check_dir_struct *) priv_data;
buf = cd->buf;
if (ctx->progress && (ctx->progress)(ctx, 2, cd->count++, cd->max))
return DIRENT_ABORT;
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)) {
+ dx_csum_size = sizeof(struct ext2_dx_tail);
+ de_csum_size = sizeof(struct ext2_dir_entry_tail);
+ }
+
/*
* Make sure the inode is still in use (could have been
* deleted in the duplicate/bad blocks pass.
#endif
ehandler_operation(_("reading directory block"));
- cd->pctx.errcode = ext2fs_read_dir_block3(fs, block_nr, buf, 0);
+ cd->pctx.errcode = ext2fs_read_dir_block4(fs, block_nr, buf, 0, ino);
ehandler_operation(0);
if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
cd->pctx.errcode = 0; /* We'll handle this ourselves */
+ else if (cd->pctx.errcode == EXT2_ET_DIR_CSUM_INVALID) {
+ cd->pctx.errcode = 0; /* We'll handle this ourselves */
+ failed_csum = 1;
+ }
if (cd->pctx.errcode) {
+ char *buf2;
if (!fix_problem(ctx, PR_2_READ_DIRBLOCK, &cd->pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
return DIRENT_ABORT;
}
- memset(buf, 0, fs->blocksize);
+ ext2fs_new_dir_block(fs, db->blockcnt == 0 ? ino : 0,
+ EXT2_ROOT_INO, &buf2);
+ memcpy(buf, buf2, fs->blocksize);
+ ext2fs_free_mem(&buf2);
}
#ifdef ENABLE_HTREE
dx_dir = e2fsck_get_dx_dir_info(ctx, ino);
dx_dir->depth = root->indirect_levels + 1;
} else if ((dirent->inode == 0) &&
(rec_len == fs->blocksize) &&
- (dirent->name_len == 0) &&
+ (ext2fs_dirent_name_len(dirent) == 0) &&
(ext2fs_le16_to_cpu(limit->limit) ==
- ((fs->blocksize-8) /
+ ((fs->blocksize - (8 + dx_csum_size)) /
sizeof(struct ext2_dx_entry))))
dx_db->type = DX_DIRBLOCK_NODE;
+ is_leaf = 0;
}
out_htree:
#endif /* ENABLE_HTREE */
+ /* Verify checksum. */
+ if (is_leaf && de_csum_size) {
+ /* No space for csum? Rebuild dirs in pass 3A. */
+ if (!ext2fs_dirent_has_tail(fs, (struct ext2_dir_entry *)buf)) {
+ de_csum_size = 0;
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ goto skip_checksum;
+ if (!fix_problem(cd->ctx, PR_2_LEAF_NODE_MISSING_CSUM,
+ &cd->pctx))
+ goto skip_checksum;
+ e2fsck_rehash_dir_later(ctx, ino);
+ goto skip_checksum;
+ }
+ if (failed_csum) {
+ char *buf2;
+ if (!fix_problem(cd->ctx, PR_2_LEAF_NODE_CSUM_INVALID,
+ &cd->pctx))
+ goto skip_checksum;
+ ext2fs_new_dir_block(fs,
+ db->blockcnt == 0 ? ino : 0,
+ EXT2_ROOT_INO, &buf2);
+ memcpy(buf, buf2, fs->blocksize);
+ ext2fs_free_mem(&buf2);
+ dir_modified++;
+ failed_csum = 0;
+ }
+ }
+ /* htree nodes don't use fake dirents to store checksums */
+ if (!is_leaf)
+ de_csum_size = 0;
+
+skip_checksum:
dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
prev = 0;
do {
dgrp_t group;
ext2_ino_t first_unused_inode;
+ unsigned int name_len;
problem = 0;
dirent = (struct ext2_dir_entry *) (buf + offset);
if (((offset + rec_len) > fs->blocksize) ||
(rec_len < 12) ||
((rec_len % 4) != 0) ||
- (((dirent->name_len & (unsigned) 0xFF)+8) > rec_len)) {
+ ((ext2fs_dirent_name_len(dirent) + 8) > rec_len)) {
if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) {
salvage_directory(fs, dirent, prev, &offset);
dir_modified++;
/*
* Make sure the inode listed is a legal one.
*/
+ name_len = ext2fs_dirent_name_len(dirent);
if (((dirent->inode != EXT2_ROOT_INO) &&
(dirent->inode < EXT2_FIRST_INODE(fs->super))) ||
(dirent->inode > fs->super->s_inodes_count)) {
* clear it.
*/
problem = PR_2_BB_INODE;
- } else if ((dot_state > 1) &&
- ((dirent->name_len & 0xFF) == 1) &&
+ } else if ((dot_state > 1) && (name_len == 1) &&
(dirent->name[0] == '.')) {
/*
* If there's a '.' entry in anything other
* duplicate entry that should be removed.
*/
problem = PR_2_DUP_DOT;
- } else if ((dot_state > 1) &&
- ((dirent->name_len & 0xFF) == 2) &&
+ } else if ((dot_state > 1) && (name_len == 2) &&
(dirent->name[0] == '.') &&
(dirent->name[1] == '.')) {
/*
* directory hasn't been created yet.
*/
problem = PR_2_LINK_ROOT;
- } else if ((dot_state > 1) &&
- (dirent->name_len & 0xFF) == 0) {
+ } else if ((dot_state > 1) && (name_len == 0)) {
/*
* Don't allow zero-length directory names.
*/
#ifdef ENABLE_HTREE
if (dx_db) {
ext2fs_dirhash(dx_dir->hashversion, dirent->name,
- (dirent->name_len & 0xFF),
+ ext2fs_dirent_name_len(dirent),
fs->super->s_hash_seed, &hash, 0);
if (hash < dx_db->min_hash)
dx_db->min_hash = hash;
pctx.ino = ino;
pctx.dirent = dirent;
fix_problem(ctx, PR_2_REPORT_DUP_DIRENT, &pctx);
- if (!ctx->dirs_to_hash)
- ext2fs_u32_list_create(&ctx->dirs_to_hash, 50);
- if (ctx->dirs_to_hash)
- ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+ e2fsck_rehash_dir_later(ctx, ino);
dups_found++;
} else
dict_alloc_insert(&de_dict, dirent, dirent);
(void) ext2fs_get_rec_len(fs, dirent, &rec_len);
offset += rec_len;
dot_state++;
- } while (offset < fs->blocksize);
+ } while (offset < fs->blocksize - de_csum_size);
#if 0
printf("\n");
#endif
cd->pctx.dir = cd->pctx.ino;
if ((dx_db->type == DX_DIRBLOCK_ROOT) ||
(dx_db->type == DX_DIRBLOCK_NODE))
- parse_int_node(fs, db, cd, dx_dir, buf);
+ parse_int_node(fs, db, cd, dx_dir, buf, failed_csum);
}
#endif /* ENABLE_HTREE */
- if (offset != fs->blocksize) {
- cd->pctx.num = rec_len - fs->blocksize + offset;
+
+ if (offset != fs->blocksize - de_csum_size) {
+ cd->pctx.num = rec_len - (fs->blocksize - de_csum_size) +
+ offset;
if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
dirent->rec_len = cd->pctx.num;
dir_modified++;
}
}
if (dir_modified) {
- cd->pctx.errcode = ext2fs_write_dir_block3(fs, block_nr, buf, 0);
+ /* leaf block with no tail? Rehash dirs later. */
+ if (EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
+ EXT4_FEATURE_RO_COMPAT_METADATA_CSUM) &&
+ is_leaf &&
+ !ext2fs_dirent_has_tail(fs, (struct ext2_dir_entry *)buf))
+ e2fsck_rehash_dir_later(ctx, ino);
+
+write_and_fix:
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
+ cd->pctx.errcode = ext2fs_write_dir_block4(fs, block_nr, buf,
+ 0, ino);
+ if (e2fsck_dir_will_be_rehashed(ctx, ino))
+ ctx->fs->flags &= ~EXT2_FLAG_IGNORE_CSUM_ERRORS;
if (cd->pctx.errcode) {
if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK,
&cd->pctx))
goto abort_free_dict;
}
ext2fs_mark_changed(fs);
+ } else if (is_leaf && failed_csum && !dir_modified) {
+ /*
+ * If a leaf node that fails csum makes it this far without
+ * alteration, ask the user if the checksum should be fixed.
+ */
+ if (fix_problem(ctx, PR_2_LEAF_NODE_ONLY_CSUM_INVALID,
+ &cd->pctx))
+ goto write_and_fix;
}
dict_free_nodes(&de_dict);
return 0;
if (ext2fs_file_acl_block(fs, &inode) &&
(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
- pctx.errcode = ext2fs_adjust_ea_refcount2(fs,
- ext2fs_file_acl_block(fs, &inode),
- block_buf, -1, &count);
+ pctx.errcode = ext2fs_adjust_ea_refcount3(fs,
+ ext2fs_file_acl_block(fs, &inode),
+ block_buf, -1, &count, ino);
if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) {
pctx.errcode = 0;
count = 1;
return 1;
}
- pctx->errcode = ext2fs_write_dir_block3(fs, blk, block, 0);
+ pctx->errcode = ext2fs_write_dir_block4(fs, blk, block, 0, db->ino);
ext2fs_free_mem(&block);
if (pctx->errcode) {
pctx->str = "ext2fs_write_dir_block";
projects / thirdparty / e2fsprogs.git / blobdiff