* - The inode_reg_map bitmap
*/
+#define _GNU_SOURCE 1 /* get strnlen() */
+#include <string.h>
+
#include "e2fsck.h"
#include "problem.h"
+#include "dict.h"
#ifdef NO_INLINE_FUNCS
#define _INLINE_
#define _INLINE_ inline
#endif
+/* #define DX_DEBUG */
+
/*
* Keeps track of how many times an inode is referenced.
*/
-static void deallocate_inode(e2fsck_t ctx, ino_t ino,
- char* block_buf);
+static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf);
static int check_dir_block(ext2_filsys fs,
struct ext2_db_entry *dir_blocks_info,
void *priv_data);
char *buf, struct problem_context *pctx);
static int update_dir_block(ext2_filsys fs,
blk_t *block_nr,
- int blockcnt,
- void *priv_data);
+ e2_blkcnt_t blockcnt,
+ blk_t ref_block,
+ int ref_offset,
+ void *priv_data);
+static void clear_htree(e2fsck_t ctx, ext2_ino_t ino);
+static int htree_depth(struct dx_dir_info *dx_dir,
+ struct dx_dirblock_info *dx_db);
+static EXT2_QSORT_TYPE special_dir_block_cmp(const void *a, const void *b);
struct check_dir_struct {
char *buf;
void e2fsck_pass2(e2fsck_t ctx)
{
- ext2_filsys fs = ctx->fs;
- char *buf;
+ struct ext2_super_block *sb = ctx->fs->super;
+ struct problem_context pctx;
+ ext2_filsys fs = ctx->fs;
+ char *buf;
#ifdef RESOURCE_TRACK
struct resource_track rtrack;
#endif
- struct dir_info *dir;
+ struct dir_info *dir;
struct check_dir_struct cd;
-
+ struct dx_dir_info *dx_dir;
+ struct dx_dirblock_info *dx_db, *dx_parent;
+ int b;
+ int i, depth;
+ problem_t code;
+ int bad_dir;
+
#ifdef RESOURCE_TRACK
init_resource_track(&rtrack);
#endif
ctx->flags |= E2F_FLAG_ABORT;
return;
}
- buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize,
+ buf = (char *) e2fsck_allocate_memory(ctx, 2*fs->blocksize,
"directory scan buffer");
/*
if (ctx->progress)
(void) (ctx->progress)(ctx, 2, 0, cd.max);
+
+ if (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_DIR_INDEX)
+ ext2fs_dblist_sort(fs->dblist, special_dir_block_cmp);
cd.pctx.errcode = ext2fs_dblist_iterate(fs->dblist, check_dir_block,
&cd);
ctx->flags |= E2F_FLAG_ABORT;
return;
}
-
- ext2fs_free_mem((void **) &buf);
+
+#ifdef ENABLE_HTREE
+ for (i=0; (dx_dir = e2fsck_dx_dir_info_iter(ctx, &i)) != 0;) {
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ return;
+ if (dx_dir->numblocks == 0)
+ continue;
+ clear_problem_context(&pctx);
+ bad_dir = 0;
+ pctx.dir = dx_dir->ino;
+ dx_db = dx_dir->dx_block;
+ if (dx_db->flags & DX_FLAG_REFERENCED)
+ dx_db->flags |= DX_FLAG_DUP_REF;
+ else
+ dx_db->flags |= DX_FLAG_REFERENCED;
+ /*
+ * Find all of the first and last leaf blocks, and
+ * update their parent's min and max hash values
+ */
+ for (b=0, dx_db = dx_dir->dx_block;
+ b < dx_dir->numblocks;
+ b++, dx_db++) {
+ if ((dx_db->type != DX_DIRBLOCK_LEAF) ||
+ !(dx_db->flags & (DX_FLAG_FIRST | DX_FLAG_LAST)))
+ continue;
+ dx_parent = &dx_dir->dx_block[dx_db->parent];
+ /*
+ * XXX Make sure dx_parent->min_hash > dx_db->min_hash
+ */
+ if (dx_db->flags & DX_FLAG_FIRST)
+ dx_parent->min_hash = dx_db->min_hash;
+ /*
+ * XXX Make sure dx_parent->max_hash < dx_db->max_hash
+ */
+ if (dx_db->flags & DX_FLAG_LAST)
+ dx_parent->max_hash = dx_db->max_hash;
+ }
+
+ for (b=0, dx_db = dx_dir->dx_block;
+ b < dx_dir->numblocks;
+ b++, dx_db++) {
+ pctx.blkcount = b;
+ pctx.group = dx_db->parent;
+ code = 0;
+ if (!(dx_db->flags & DX_FLAG_FIRST) &&
+ (dx_db->min_hash < dx_db->node_min_hash)) {
+ pctx.blk = dx_db->min_hash;
+ pctx.blk2 = dx_db->node_min_hash;
+ code = PR_2_HTREE_MIN_HASH;
+ fix_problem(ctx, code, &pctx);
+ bad_dir++;
+ }
+ if (dx_db->type == DX_DIRBLOCK_LEAF) {
+ depth = htree_depth(dx_dir, dx_db);
+ if (depth != dx_dir->depth) {
+ code = PR_2_HTREE_BAD_DEPTH;
+ fix_problem(ctx, code, &pctx);
+ bad_dir++;
+ }
+ }
+ /*
+ * This test doesn't apply for the root block
+ * at block #0
+ */
+ if (b &&
+ (dx_db->max_hash > dx_db->node_max_hash)) {
+ pctx.blk = dx_db->max_hash;
+ pctx.blk2 = dx_db->node_max_hash;
+ code = PR_2_HTREE_MAX_HASH;
+ fix_problem(ctx, code, &pctx);
+ bad_dir++;
+ }
+ if (!(dx_db->flags & DX_FLAG_REFERENCED)) {
+ code = PR_2_HTREE_NOTREF;
+ fix_problem(ctx, code, &pctx);
+ bad_dir++;
+ } else if (dx_db->flags & DX_FLAG_DUP_REF) {
+ code = PR_2_HTREE_DUPREF;
+ fix_problem(ctx, code, &pctx);
+ bad_dir++;
+ }
+ if (code == 0)
+ continue;
+ }
+ if (bad_dir && fix_problem(ctx, PR_2_HTREE_CLEAR, &pctx)) {
+ clear_htree(ctx, dx_dir->ino);
+ dx_dir->numblocks = 0;
+ }
+#ifdef ENABLE_HTREE_CLEAR
+ if (dx_dir->numblocks) {
+ fix_problem(ctx, PR_2_HTREE_FCLR, &pctx);
+ clear_htree(ctx, dx_dir->ino);
+ dx_dir->numblocks = 0;
+ }
+#endif
+ }
+#endif
+ ext2fs_free_mem(&buf);
ext2fs_free_dblist(fs->dblist);
if (ctx->inode_bad_map) {
ext2fs_free_inode_bitmap(ctx->inode_reg_map);
ctx->inode_reg_map = 0;
}
+
+ clear_problem_context(&pctx);
+ if (ctx->large_files) {
+ if (!(sb->s_feature_ro_compat &
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE) &&
+ fix_problem(ctx, PR_2_FEATURE_LARGE_FILES, &pctx)) {
+ sb->s_feature_ro_compat |=
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
+ ext2fs_mark_super_dirty(fs);
+ }
+ if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
+ fix_problem(ctx, PR_1_FS_REV_LEVEL, &pctx)) {
+ ext2fs_update_dynamic_rev(fs);
+ ext2fs_mark_super_dirty(fs);
+ }
+ } else if (!ctx->large_files &&
+ (sb->s_feature_ro_compat &
+ EXT2_FEATURE_RO_COMPAT_LARGE_FILE)) {
+ if (fs->flags & EXT2_FLAG_RW) {
+ sb->s_feature_ro_compat &=
+ ~EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
+ ext2fs_mark_super_dirty(fs);
+ }
+ }
+
#ifdef RESOURCE_TRACK
if (ctx->options & E2F_OPT_TIME2) {
e2fsck_clear_progbar(ctx);
- print_resource_track("Pass 2", &rtrack);
+ print_resource_track(_("Pass 2"), &rtrack);
}
#endif
}
+#define MAX_DEPTH 32000
+static int htree_depth(struct dx_dir_info *dx_dir,
+ struct dx_dirblock_info *dx_db)
+{
+ int depth = 0;
+
+ while (dx_db->type != DX_DIRBLOCK_ROOT && depth < MAX_DEPTH) {
+ dx_db = &dx_dir->dx_block[dx_db->parent];
+ depth++;
+ }
+ return depth;
+}
+
+static int dict_de_cmp(const void *a, const void *b)
+{
+ const struct ext2_dir_entry *de_a, *de_b;
+ int a_len, b_len;
+
+ de_a = (const struct ext2_dir_entry *) a;
+ a_len = de_a->name_len & 0xFF;
+ de_b = (const struct ext2_dir_entry *) b;
+ b_len = de_b->name_len & 0xFF;
+
+ if (a_len != b_len)
+ return (a_len - b_len);
+
+ return strncmp(de_a->name, de_b->name, a_len);
+}
+
+/*
+ * This is special sort function that makes sure that directory blocks
+ * with a dirblock of zero are sorted to the beginning of the list.
+ * This guarantees that the root node of the htree directories are
+ * processed first, so we know what hash version to use.
+ */
+static EXT2_QSORT_TYPE special_dir_block_cmp(const void *a, const void *b)
+{
+ const struct ext2_db_entry *db_a =
+ (const struct ext2_db_entry *) a;
+ const struct ext2_db_entry *db_b =
+ (const struct ext2_db_entry *) b;
+
+ if (db_a->blockcnt && !db_b->blockcnt)
+ return 1;
+
+ if (!db_a->blockcnt && db_b->blockcnt)
+ return -1;
+
+ if (db_a->blk != db_b->blk)
+ return (int) (db_a->blk - db_b->blk);
+
+ if (db_a->ino != db_b->ino)
+ return (int) (db_a->ino - db_b->ino);
+
+ return (int) (db_a->blockcnt - db_b->blockcnt);
+}
+
+
/*
* Make sure the first entry in the directory is '.', and that the
* directory entry is sane.
*/
static int check_dot(e2fsck_t ctx,
struct ext2_dir_entry *dirent,
- ino_t ino, struct problem_context *pctx)
+ ext2_ino_t ino, struct problem_context *pctx)
{
struct ext2_dir_entry *nextdir;
int status = 0;
*/
static int check_name(e2fsck_t ctx,
struct ext2_dir_entry *dirent,
- ino_t dir_ino, struct problem_context *pctx)
+ ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
int i;
int fixup = -1;
* Check the directory filetype (if present)
*/
static _INLINE_ int check_filetype(e2fsck_t ctx,
- struct ext2_dir_entry *dirent,
- ino_t dir_ino, struct problem_context *pctx)
+ struct ext2_dir_entry *dirent,
+ ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
int filetype = dirent->name_len >> 8;
int should_be = EXT2_FT_UNKNOWN;
return 1;
}
+#ifdef ENABLE_HTREE
+static void parse_int_node(ext2_filsys fs,
+ struct ext2_db_entry *db,
+ struct check_dir_struct *cd,
+ struct dx_dir_info *dx_dir,
+ char *block_buf)
+{
+ struct ext2_dx_root_info *root;
+ struct ext2_dx_entry *ent;
+ struct ext2_dx_countlimit *limit;
+ struct dx_dirblock_info *dx_db;
+ int i, expect_limit, count;
+ blk_t blk;
+ ext2_dirhash_t min_hash = 0xffffffff;
+ ext2_dirhash_t max_hash = 0;
+ ext2_dirhash_t hash = 0, prev_hash;
+
+ if (db->blockcnt == 0) {
+ root = (struct ext2_dx_root_info *) (block_buf + 24);
+
+#ifdef DX_DEBUG
+ printf("Root node dump:\n");
+ printf("\t Reserved zero: %d\n", root->reserved_zero);
+ printf("\t Hash Version: %d\n", root->hash_version);
+ printf("\t Info length: %d\n", root->info_length);
+ printf("\t Indirect levels: %d\n", root->indirect_levels);
+ printf("\t Flags: %d\n", root->unused_flags);
+#endif
+
+ ent = (struct ext2_dx_entry *) (block_buf + 24 + root->info_length);
+ } else {
+ ent = (struct ext2_dx_entry *) (block_buf+8);
+ }
+ limit = (struct ext2_dx_countlimit *) ent;
+
+#ifdef DX_DEBUG
+ printf("Number of entries (count): %d\n",
+ ext2fs_le16_to_cpu(limit->count));
+ printf("Number of entries (limit): %d\n",
+ ext2fs_le16_to_cpu(limit->limit));
+#endif
+
+ count = ext2fs_le16_to_cpu(limit->count);
+ expect_limit = (fs->blocksize - ((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))
+ goto clear_and_exit;
+ }
+ if (count > expect_limit) {
+ cd->pctx.num = count;
+ if (fix_problem(cd->ctx, PR_2_HTREE_BAD_COUNT, &cd->pctx))
+ goto clear_and_exit;
+ count = expect_limit;
+ }
+
+ for (i=0; i < count; i++) {
+ prev_hash = hash;
+ hash = i ? (ext2fs_le32_to_cpu(ent[i].hash) & ~1) : 0;
+#ifdef DX_DEBUG
+ printf("Entry #%d: Hash 0x%08x, block %d\n", i,
+ hash, ext2fs_le32_to_cpu(ent[i].block));
+#endif
+ blk = ext2fs_le32_to_cpu(ent[i].block) & 0x0ffffff;
+ /* Check to make sure the block is valid */
+ if (blk > (blk_t) dx_dir->numblocks) {
+ cd->pctx.blk = blk;
+ if (fix_problem(cd->ctx, PR_2_HTREE_BADBLK,
+ &cd->pctx))
+ goto clear_and_exit;
+ }
+ if (hash < prev_hash &&
+ fix_problem(cd->ctx, PR_2_HTREE_HASH_ORDER, &cd->pctx))
+ goto clear_and_exit;
+ dx_db = &dx_dir->dx_block[blk];
+ if (dx_db->flags & DX_FLAG_REFERENCED) {
+ dx_db->flags |= DX_FLAG_DUP_REF;
+ } else {
+ dx_db->flags |= DX_FLAG_REFERENCED;
+ dx_db->parent = db->blockcnt;
+ }
+ if (hash < min_hash)
+ min_hash = hash;
+ if (hash > max_hash)
+ max_hash = hash;
+ dx_db->node_min_hash = hash;
+ if ((i+1) < count)
+ dx_db->node_max_hash =
+ ext2fs_le32_to_cpu(ent[i+1].hash) & ~1;
+ else {
+ dx_db->node_max_hash = 0xfffffffe;
+ dx_db->flags |= DX_FLAG_LAST;
+ }
+ if (i == 0)
+ dx_db->flags |= DX_FLAG_FIRST;
+ }
+#ifdef DX_DEBUG
+ printf("Blockcnt = %d, min hash 0x%08x, max hash 0x%08x\n",
+ db->blockcnt, min_hash, max_hash);
+#endif
+ dx_db = &dx_dir->dx_block[db->blockcnt];
+ dx_db->min_hash = min_hash;
+ dx_db->max_hash = max_hash;
+ return;
+
+clear_and_exit:
+ clear_htree(cd->ctx, cd->pctx.ino);
+ dx_dir->numblocks = 0;
+}
+#endif /* ENABLE_HTREE */
+
+/*
+ * Given a busted directory, try to salvage it somehow.
+ *
+ */
+static void salvage_directory(ext2_filsys fs,
+ struct ext2_dir_entry *dirent,
+ struct ext2_dir_entry *prev,
+ unsigned int *offset)
+{
+ char *cp = (char *) dirent;
+ int left = fs->blocksize - *offset - dirent->rec_len;
+ int name_len = dirent->name_len & 0xFF;
+
+ /*
+ * Special case of directory entry of size 8: copy what's left
+ * of the directory block up to cover up the invalid hole.
+ */
+ if ((left >= 12) && (dirent->rec_len == 8)) {
+ memmove(cp, cp+8, left);
+ memset(cp + left, 0, 8);
+ return;
+ }
+ /*
+ * If the directory entry overruns the end of the directory
+ * block, and the name is small enough to fit, then adjust the
+ * record length.
+ */
+ if ((left < 0) &&
+ (name_len + 8 <= dirent->rec_len + left) &&
+ dirent->inode <= fs->super->s_inodes_count &&
+ strnlen(dirent->name, name_len) == name_len) {
+ dirent->rec_len += left;
+ return;
+ }
+ /*
+ * If the directory entry is a multiple of four, so it is
+ * valid, let the previous directory entry absorb the invalid
+ * one.
+ */
+ if (prev && dirent->rec_len && (dirent->rec_len % 4) == 0) {
+ prev->rec_len += dirent->rec_len;
+ *offset += dirent->rec_len;
+ return;
+ }
+ /*
+ * Default salvage method --- kill all of the directory
+ * entries for the rest of the block. We will either try to
+ * absorb it into the previous directory entry, or create a
+ * new empty directory entry the rest of the directory block.
+ */
+ if (prev) {
+ prev->rec_len += fs->blocksize - *offset;
+ *offset = fs->blocksize;
+ } else {
+ dirent->rec_len = fs->blocksize - *offset;
+ dirent->name_len = 0;
+ dirent->inode = 0;
+ }
+}
static int check_dir_block(ext2_filsys fs,
struct ext2_db_entry *db,
void *priv_data)
{
struct dir_info *subdir, *dir;
- struct ext2_dir_entry *dirent;
- int offset = 0;
+ struct dx_dir_info *dx_dir;
+#ifdef ENABLE_HTREE
+ struct dx_dirblock_info *dx_db = 0;
+#endif /* ENABLE_HTREE */
+ struct ext2_dir_entry *dirent, *prev;
+ ext2_dirhash_t hash;
+ unsigned int offset = 0;
int dir_modified = 0;
int dot_state;
blk_t block_nr = db->blk;
- ino_t ino = db->ino;
+ ext2_ino_t ino = db->ino;
__u16 links;
struct check_dir_struct *cd;
char *buf;
e2fsck_t ctx;
int problem;
+ struct ext2_dx_root_info *root;
+ struct ext2_dx_countlimit *limit;
+ static dict_t de_dict;
+ struct problem_context pctx;
+ int dups_found = 0;
cd = (struct check_dir_struct *) priv_data;
buf = cd->buf;
ctx = cd->ctx;
- if (ctx->progress)
- if ((ctx->progress)(ctx, 2, cd->count++, cd->max))
- return DIRENT_ABORT;
+ if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+ return DIRENT_ABORT;
+
+ if (ctx->progress && (ctx->progress)(ctx, 2, cd->count++, cd->max))
+ return DIRENT_ABORT;
/*
* Make sure the inode is still in use (could have been
else
dot_state = 0;
+ if (ctx->dirs_to_hash &&
+ ext2fs_u32_list_test(ctx->dirs_to_hash, ino))
+ dups_found++;
+
#if 0
printf("In process_dir_block block %lu, #%d, inode %lu\n", block_nr,
db->blockcnt, ino);
#endif
cd->pctx.errcode = ext2fs_read_dir_block(fs, block_nr, buf);
+ if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
+ cd->pctx.errcode = 0; /* We'll handle this ourselves */
if (cd->pctx.errcode) {
if (!fix_problem(ctx, PR_2_READ_DIRBLOCK, &cd->pctx)) {
ctx->flags |= E2F_FLAG_ABORT;
}
memset(buf, 0, fs->blocksize);
}
+#ifdef ENABLE_HTREE
+ dx_dir = e2fsck_get_dx_dir_info(ctx, ino);
+ if (dx_dir && dx_dir->numblocks) {
+ if (db->blockcnt >= dx_dir->numblocks) {
+ printf("XXX should never happen!!!\n");
+ abort();
+ }
+ dx_db = &dx_dir->dx_block[db->blockcnt];
+ dx_db->type = DX_DIRBLOCK_LEAF;
+ dx_db->phys = block_nr;
+ dx_db->min_hash = ~0;
+ dx_db->max_hash = 0;
+
+ dirent = (struct ext2_dir_entry *) buf;
+ limit = (struct ext2_dx_countlimit *) (buf+8);
+ if (db->blockcnt == 0) {
+ root = (struct ext2_dx_root_info *) (buf + 24);
+ dx_db->type = DX_DIRBLOCK_ROOT;
+ dx_db->flags |= DX_FLAG_FIRST | DX_FLAG_LAST;
+ if ((root->reserved_zero ||
+ root->info_length < 8 ||
+ root->indirect_levels > 1) &&
+ fix_problem(ctx, PR_2_HTREE_BAD_ROOT, &cd->pctx)) {
+ clear_htree(ctx, ino);
+ dx_dir->numblocks = 0;
+ dx_db = 0;
+ }
+ dx_dir->hashversion = root->hash_version;
+ dx_dir->depth = root->indirect_levels + 1;
+ } else if ((dirent->inode == 0) &&
+ (dirent->rec_len == fs->blocksize) &&
+ (dirent->name_len == 0) &&
+ (ext2fs_le16_to_cpu(limit->limit) ==
+ ((fs->blocksize-8) /
+ sizeof(struct ext2_dx_entry))))
+ dx_db->type = DX_DIRBLOCK_NODE;
+ }
+#endif /* ENABLE_HTREE */
+ dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
+ prev = 0;
do {
- dot_state++;
problem = 0;
dirent = (struct ext2_dir_entry *) (buf + offset);
cd->pctx.dirent = dirent;
((dirent->rec_len % 4) != 0) ||
(((dirent->name_len & 0xFF)+8) > dirent->rec_len)) {
if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) {
- dirent->rec_len = fs->blocksize - offset;
- dirent->name_len = 0;
- dirent->inode = 0;
+ salvage_directory(fs, dirent, prev, &offset);
dir_modified++;
+ continue;
} else
- return DIRENT_ABORT;
+ goto abort_free_dict;
}
if ((dirent->name_len & 0xFF) > EXT2_NAME_LEN) {
if (fix_problem(ctx, PR_2_FILENAME_LONG, &cd->pctx)) {
}
}
- if (dot_state == 1) {
+ if (dot_state == 0) {
if (check_dot(ctx, dirent, ino, &cd->pctx))
dir_modified++;
- } else if (dot_state == 2) {
+ } else if (dot_state == 1) {
dir = e2fsck_get_dir_info(ctx, ino);
if (!dir) {
fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
+ goto abort_free_dict;
}
if (check_dotdot(ctx, dirent, dir, &cd->pctx))
dir_modified++;
* clear it.
*/
problem = PR_2_BB_INODE;
- } else if ((dot_state > 2) &&
+ } else if ((dot_state > 1) &&
((dirent->name_len & 0xFF) == 1) &&
(dirent->name[0] == '.')) {
/*
* duplicate entry that should be removed.
*/
problem = PR_2_DUP_DOT;
- } else if ((dot_state > 2) &&
+ } else if ((dot_state > 1) &&
((dirent->name_len & 0xFF) == 2) &&
(dirent->name[0] == '.') &&
(dirent->name[1] == '.')) {
* duplicate entry that should be removed.
*/
problem = PR_2_DUP_DOT_DOT;
- } else if ((dot_state > 2) &&
+ } else if ((dot_state > 1) &&
(dirent->inode == EXT2_ROOT_INO)) {
/*
* Don't allow links to the root directory.
* directory hasn't been created yet.
*/
problem = PR_2_LINK_ROOT;
- } else if ((dot_state > 2) &&
+ } else if ((dot_state > 1) &&
(dirent->name_len & 0xFF) == 0) {
/*
* Don't allow zero-length directory names.
ext2fs_test_inode_bitmap(ctx->inode_bad_map,
dirent->inode)) {
if (e2fsck_process_bad_inode(ctx, ino,
- dirent->inode)) {
+ dirent->inode,
+ buf + fs->blocksize)) {
dirent->inode = 0;
dir_modified++;
goto next;
if (check_filetype(ctx, dirent, ino, &cd->pctx))
dir_modified++;
+#ifdef ENABLE_HTREE
+ if (dx_db) {
+ ext2fs_dirhash(dx_dir->hashversion, dirent->name,
+ (dirent->name_len & 0xFF),
+ fs->super->s_hash_seed, &hash, 0);
+ if (hash < dx_db->min_hash)
+ dx_db->min_hash = hash;
+ if (hash > dx_db->max_hash)
+ dx_db->max_hash = hash;
+ }
+#endif
+
/*
* If this is a directory, then mark its parent in its
* dir_info structure. If the parent field is already
* hard link. We assume the first link is correct,
* and ask the user if he/she wants to clear this one.
*/
- if ((dot_state > 2) &&
+ if ((dot_state > 1) &&
(ext2fs_test_inode_bitmap(ctx->inode_dir_map,
dirent->inode))) {
subdir = e2fsck_get_dir_info(ctx, dirent->inode);
if (!subdir) {
cd->pctx.ino = dirent->inode;
fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
+ goto abort_free_dict;
}
if (subdir->parent) {
cd->pctx.ino2 = subdir->parent;
} else
subdir->parent = ino;
}
+
+ if (dups_found) {
+ ;
+ } else if (dict_lookup(&de_dict, dirent)) {
+ clear_problem_context(&pctx);
+ 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);
+ dups_found++;
+ } else
+ dict_alloc_insert(&de_dict, dirent, dirent);
ext2fs_icount_increment(ctx->inode_count, dirent->inode,
&links);
ctx->fs_links_count++;
ctx->fs_total_count++;
next:
+ prev = dirent;
offset += dirent->rec_len;
+ dot_state++;
} while (offset < fs->blocksize);
#if 0
printf("\n");
#endif
+#ifdef ENABLE_HTREE
+ if (dx_db) {
+#ifdef DX_DEBUG
+ printf("db_block %d, type %d, min_hash 0x%0x, max_hash 0x%0x\n",
+ db->blockcnt, dx_db->type,
+ dx_db->min_hash, dx_db->max_hash);
+#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);
+ }
+#endif /* ENABLE_HTREE */
if (offset != fs->blocksize) {
cd->pctx.num = dirent->rec_len - fs->blocksize + offset;
if (fix_problem(ctx, PR_2_FINAL_RECLEN, &cd->pctx)) {
cd->pctx.errcode = ext2fs_write_dir_block(fs, block_nr, buf);
if (cd->pctx.errcode) {
if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK,
- &cd->pctx)) {
- ctx->flags |= E2F_FLAG_ABORT;
- return DIRENT_ABORT;
- }
+ &cd->pctx))
+ goto abort_free_dict;
}
ext2fs_mark_changed(fs);
}
+ dict_free_nodes(&de_dict);
return 0;
+abort_free_dict:
+ dict_free_nodes(&de_dict);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return DIRENT_ABORT;
}
/*
* functioned called by deallocate inode via ext2fs_iterate_block().
*/
static int deallocate_inode_block(ext2_filsys fs,
- blk_t *block_nr,
- int blockcnt,
- void *priv_data)
+ blk_t *block_nr,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
+ void *priv_data)
{
e2fsck_t ctx = (e2fsck_t) priv_data;
if (HOLE_BLKADDR(*block_nr))
return 0;
ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr);
- ext2fs_unmark_block_bitmap(fs->block_map, *block_nr);
+ ext2fs_block_alloc_stats(fs, *block_nr, -1);
return 0;
}
/*
* This fuction deallocates an inode
*/
-static void deallocate_inode(e2fsck_t ctx, ino_t ino,
- char* block_buf)
+static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf)
{
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
struct problem_context pctx;
+ __u32 count;
ext2fs_icount_store(ctx->inode_link_info, ino, 0);
e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode");
ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
if (ctx->inode_bad_map)
ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
- ext2fs_unmark_inode_bitmap(fs->inode_map, ino);
- ext2fs_mark_ib_dirty(fs);
+ ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode));
+
+ if (inode.i_file_acl &&
+ (fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
+ pctx.errcode = ext2fs_adjust_ea_refcount(fs, inode.i_file_acl,
+ block_buf, -1, &count);
+ if (pctx.errcode == EXT2_ET_BAD_EA_BLOCK_NUM) {
+ pctx.errcode = 0;
+ count = 1;
+ }
+ if (pctx.errcode) {
+ pctx.blk = inode.i_file_acl;
+ fix_problem(ctx, PR_2_ADJ_EA_REFCOUNT, &pctx);
+ ctx->flags |= E2F_FLAG_ABORT;
+ return;
+ }
+ if (count == 0) {
+ ext2fs_unmark_block_bitmap(ctx->block_found_map,
+ inode.i_file_acl);
+ ext2fs_block_alloc_stats(fs, inode.i_file_acl, -1);
+ }
+ inode.i_file_acl = 0;
+ }
if (!ext2fs_inode_has_valid_blocks(&inode))
return;
-
- ext2fs_mark_bb_dirty(fs);
- pctx.errcode = ext2fs_block_iterate(fs, ino, 0, block_buf,
+
+ if (LINUX_S_ISREG(inode.i_mode) &&
+ (inode.i_size_high || inode.i_size & 0x80000000UL))
+ ctx->large_files--;
+
+ pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf,
deallocate_inode_block, ctx);
if (pctx.errcode) {
fix_problem(ctx, PR_2_DEALLOC_INODE, &pctx);
}
}
-extern int e2fsck_process_bad_inode(e2fsck_t ctx, ino_t dir, ino_t ino)
+/*
+ * This fuction clears the htree flag on an inode
+ */
+static void clear_htree(e2fsck_t ctx, ext2_ino_t ino)
+{
+ struct ext2_inode inode;
+
+ e2fsck_read_inode(ctx, ino, &inode, "clear_htree");
+ inode.i_flags = inode.i_flags & ~EXT2_INDEX_FL;
+ e2fsck_write_inode(ctx, ino, &inode, "clear_htree");
+ if (ctx->dirs_to_hash)
+ ext2fs_u32_list_add(ctx->dirs_to_hash, ino);
+}
+
+
+extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
+ ext2_ino_t ino, char *buf)
{
ext2_filsys fs = ctx->fs;
struct ext2_inode inode;
!LINUX_S_ISLNK(inode.i_mode) && !LINUX_S_ISFIFO(inode.i_mode) &&
!(LINUX_S_ISSOCK(inode.i_mode)))
problem = PR_2_BAD_MODE;
-
- if (LINUX_S_ISCHR(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ else if (LINUX_S_ISCHR(inode.i_mode)
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_CHAR_DEV;
-
- if (LINUX_S_ISBLK(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ else if (LINUX_S_ISBLK(inode.i_mode)
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_BLOCK_DEV;
-
- if (LINUX_S_ISFIFO(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ else if (LINUX_S_ISFIFO(inode.i_mode)
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_FIFO;
-
- if (LINUX_S_ISSOCK(inode.i_mode)
- && !e2fsck_pass1_check_device_inode(&inode))
+ else if (LINUX_S_ISSOCK(inode.i_mode)
+ && !e2fsck_pass1_check_device_inode(fs, &inode))
problem = PR_2_BAD_SOCKET;
+ else if (LINUX_S_ISLNK(inode.i_mode)
+ && !e2fsck_pass1_check_symlink(fs, &inode, buf)) {
+ problem = PR_2_INVALID_SYMLINK;
+ }
if (problem) {
if (fix_problem(ctx, problem, &pctx)) {
}
if (inode.i_file_acl &&
+ !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) &&
fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
inode.i_file_acl = 0;
inode_modified++;
}
+ if (inode.i_file_acl &&
+ ((inode.i_file_acl < fs->super->s_first_data_block) ||
+ (inode.i_file_acl >= fs->super->s_blocks_count)) &&
+ fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
+ inode.i_file_acl = 0;
+ inode_modified++;
+ }
if (inode.i_dir_acl &&
LINUX_S_ISDIR(inode.i_mode) &&
fix_problem(ctx, PR_2_DIR_ACL_ZERO, &pctx)) {
*/
static int allocate_dir_block(e2fsck_t ctx,
struct ext2_db_entry *db,
- char *buf, struct problem_context *pctx)
+ char *buf EXT2FS_ATTR((unused)),
+ struct problem_context *pctx)
{
ext2_filsys fs = ctx->fs;
blk_t blk;
}
pctx->errcode = ext2fs_write_dir_block(fs, blk, block);
- ext2fs_free_mem((void **) &block);
+ ext2fs_free_mem(&block);
if (pctx->errcode) {
pctx->str = "ext2fs_write_dir_block";
fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
* Finally, update the block pointers for the inode
*/
db->blk = blk;
- pctx->errcode = ext2fs_block_iterate(fs, db->ino, BLOCK_FLAG_HOLE,
+ pctx->errcode = ext2fs_block_iterate2(fs, db->ino, BLOCK_FLAG_HOLE,
0, update_dir_block, db);
if (pctx->errcode) {
pctx->str = "ext2fs_block_iterate";
/*
* This is a helper function for allocate_dir_block().
*/
-static int update_dir_block(ext2_filsys fs,
+static int update_dir_block(ext2_filsys fs EXT2FS_ATTR((unused)),
blk_t *block_nr,
- int blockcnt,
+ e2_blkcnt_t blockcnt,
+ blk_t ref_block EXT2FS_ATTR((unused)),
+ int ref_offset EXT2FS_ATTR((unused)),
void *priv_data)
{
struct ext2_db_entry *db;
db = (struct ext2_db_entry *) priv_data;
- if (db->blockcnt == blockcnt) {
+ if (db->blockcnt == (int) blockcnt) {
*block_nr = db->blk;
return BLOCK_CHANGED;
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff