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LU-7368 e2fsck: skip quota update when interrupted
[tools/e2fsprogs.git] / e2fsck / pass2.c
index dffaae7..2aad1ae 100644 (file)
@@ -1,13 +1,13 @@
 /*
  * pass2.c --- check directory structure
- * 
+ *
  * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o
  *
  * %Begin-Header%
  * This file may be redistributed under the terms of the GNU Public
  * License.
  * %End-Header%
- * 
+ *
  * Pass 2 of e2fsck iterates through all active directory inodes, and
  * applies to following tests to each directory entry in the directory
  * blocks in the inodes:
@@ -16,7 +16,7 @@
  *             least 8 bytes, and no more than the remaining space
  *             left in the directory block.
  *     - The length of the name in the directory entry (name_len)
- *             should be less than (rec_len - 8).  
+ *             should be less than (rec_len - 8).
  *     - The inode number in the directory entry should be within
  *             legal bounds.
  *     - The inode number should refer to a in-use inode.
  * Pass 2 relies on the following information from previous passes:
  *     - The directory information collected in pass 1.
  *     - The inode_used_map bitmap
- *     - The inode_bad_map bitmap
+ *     - The inode_badness bitmap
  *     - The inode_dir_map bitmap
  *
  * Pass 2 frees the following data structures
- *     - The inode_bad_map bitmap
  *     - The inode_reg_map bitmap
  */
 
 #define _GNU_SOURCE 1 /* get strnlen() */
+#include "config.h"
 #include <string.h>
 
 #include "e2fsck.h"
  */
 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,
+                          struct ext2_db_entry2 *dir_blocks_info,
                           void *priv_data);
 static int allocate_dir_block(e2fsck_t ctx,
-                             struct ext2_db_entry *dir_blocks_info,
+                             struct ext2_db_entry2 *dir_blocks_info,
                              char *buf, struct problem_context *pctx);
-static int update_dir_block(ext2_filsys fs,
-                           blk_t       *block_nr,
-                           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);
@@ -82,7 +76,7 @@ struct check_dir_struct {
        struct problem_context  pctx;
        int     count, max;
        e2fsck_t ctx;
-};     
+};
 
 void e2fsck_pass2(e2fsck_t ctx)
 {
@@ -93,19 +87,16 @@ void e2fsck_pass2(e2fsck_t ctx)
 #ifdef RESOURCE_TRACK
        struct resource_track   rtrack;
 #endif
-       struct dir_info         *dir;
        struct check_dir_struct cd;
        struct dx_dir_info      *dx_dir;
        struct dx_dirblock_info *dx_db, *dx_parent;
+       unsigned int            save_type;
        int                     b;
        int                     i, depth;
        problem_t               code;
        int                     bad_dir;
 
-#ifdef RESOURCE_TRACK
-       init_resource_track(&rtrack);
-#endif
-
+       init_resource_track(&rtrack, ctx->fs->io);
        clear_problem_context(&cd.pctx);
 
 #ifdef MTRACE
@@ -115,9 +106,19 @@ void e2fsck_pass2(e2fsck_t ctx)
        if (!(ctx->options & E2F_OPT_PREEN))
                fix_problem(ctx, PR_2_PASS_HEADER, &cd.pctx);
 
-       cd.pctx.errcode = ext2fs_create_icount2(fs, EXT2_ICOUNT_OPT_INCREMENT,
+       e2fsck_setup_tdb_icount(ctx, EXT2_ICOUNT_OPT_INCREMENT,
+                               &ctx->inode_count);
+       if (ctx->inode_count)
+               cd.pctx.errcode = 0;
+       else {
+               e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE,
+                                      "inode_count", &save_type);
+               cd.pctx.errcode = ext2fs_create_icount2(fs,
+                                               EXT2_ICOUNT_OPT_INCREMENT,
                                                0, ctx->inode_link_info,
                                                &ctx->inode_count);
+               fs->default_bitmap_type = save_type;
+       }
        if (cd.pctx.errcode) {
                fix_problem(ctx, PR_2_ALLOCATE_ICOUNT, &cd.pctx);
                ctx->flags |= E2F_FLAG_ABORT;
@@ -131,25 +132,29 @@ void e2fsck_pass2(e2fsck_t ctx)
         * present.  (If the root directory is not present, we will
         * create it in pass 3.)
         */
-       dir = e2fsck_get_dir_info(ctx, EXT2_ROOT_INO);
-       if (dir)
-               dir->parent = EXT2_ROOT_INO;
+       (void) e2fsck_dir_info_set_parent(ctx, EXT2_ROOT_INO, EXT2_ROOT_INO);
 
        cd.buf = buf;
        cd.ctx = ctx;
        cd.count = 1;
-       cd.max = ext2fs_dblist_count(fs->dblist);
+       cd.max = ext2fs_dblist_count2(fs->dblist);
 
        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);
-       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+               ext2fs_dblist_sort2(fs->dblist, special_dir_block_cmp);
+
+       cd.pctx.errcode = ext2fs_dblist_iterate2(fs->dblist, check_dir_block,
+                                                &cd);
+       if (ctx->flags & E2F_FLAG_RESTART_LATER) {
+               ctx->flags |= E2F_FLAG_RESTART;
+               ctx->flags &= ~E2F_FLAG_RESTART_LATER;
+       }
+
+       if (ctx->flags & E2F_FLAG_RUN_RETURN)
                return;
+
        if (cd.pctx.errcode) {
                fix_problem(ctx, PR_2_DBLIST_ITERATE, &cd.pctx);
                ctx->flags |= E2F_FLAG_ABORT;
@@ -192,7 +197,7 @@ void e2fsck_pass2(e2fsck_t ctx)
                        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++) {
@@ -210,13 +215,14 @@ void e2fsck_pass2(e2fsck_t ctx)
                        if (dx_db->type == DX_DIRBLOCK_LEAF) {
                                depth = htree_depth(dx_dir, dx_db);
                                if (depth != dx_dir->depth) {
+                                       pctx.num = 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 
+                        * This test doesn't apply for the root block
                         * at block #0
                         */
                        if (b &&
@@ -236,29 +242,17 @@ void e2fsck_pass2(e2fsck_t ctx)
                                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
        }
+       e2fsck_free_dx_dir_info(ctx);
 #endif
        ext2fs_free_mem(&buf);
        ext2fs_free_dblist(fs->dblist);
 
-       if (ctx->inode_bad_map) {
-               ext2fs_free_inode_bitmap(ctx->inode_bad_map);
-               ctx->inode_bad_map = 0;
-       }
        if (ctx->inode_reg_map) {
                ext2fs_free_inode_bitmap(ctx->inode_reg_map);
                ctx->inode_reg_map = 0;
@@ -271,6 +265,7 @@ void e2fsck_pass2(e2fsck_t ctx)
                    fix_problem(ctx, PR_2_FEATURE_LARGE_FILES, &pctx)) {
                        sb->s_feature_ro_compat |=
                                EXT2_FEATURE_RO_COMPAT_LARGE_FILE;
+                       fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
                        ext2fs_mark_super_dirty(fs);
                }
                if (sb->s_rev_level == EXT2_GOOD_OLD_REV &&
@@ -278,22 +273,9 @@ void e2fsck_pass2(e2fsck_t ctx)
                        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);
        }
-#endif
+
+       print_resource_track(ctx, _("Pass 2"), &rtrack, fs->io);
 }
 
 #define MAX_DEPTH 32000
@@ -333,41 +315,114 @@ static int dict_de_cmp(const void *a, const void *b)
  */
 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;
+       const struct ext2_db_entry2 *db_a =
+               (const struct ext2_db_entry2 *) a;
+       const struct ext2_db_entry2 *db_b =
+               (const struct ext2_db_entry2 *) 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);
 }
 
+void ext2_fix_dirent_dirdata(struct ext2_dir_entry *de)
+{
+       __u16 file_type = de->name_len & (EXT2_FT_MASK << 8);
+       __u8 de_flags = (de->name_len >> 8) & ~EXT2_FT_MASK;
+       __u8 name_len = de->name_len & EXT2_NAME_LEN;
+       __u8 new_flag = 0;
+       int i;
+
+       for (i = 0; i < 4; i++) {
+               __u8 flags = new_flag | (1 << i) << 4;
+
+               /* new_flag is accumulating flags that are set in de_flags
+                * and still fit inside rec_len. ext2_get_dirent_dirdata_size()
+                * returns the size of all the dirdata entries in flags, and
+                * chops off any that are beyond rec_len. */
+               if ((de_flags & flags) == flags) {
+                       int dirdatalen = ext2_get_dirent_dirdata_size(de,flags);
+                       int rlen = __EXT2_DIR_REC_LEN(name_len + dirdatalen);
+
+                       if (rlen > de->rec_len)
+                               break;
+
+                       new_flag |= flags;
+               }
+       }
+
+       de->name_len = name_len | file_type | (new_flag << 8);
+}
 
 /*
+ * check for dirent data in ext3 dirent.
+ * return 0 if dirent data is ok.
+ * return 1 if dirent data does not exist.
+ * return 2 if dirent was modified due to error.
+ */
+int e2fsck_check_dirent_data(e2fsck_t ctx, struct ext2_dir_entry *de,
+                            unsigned int offset, struct problem_context *pctx)
+{
+       if (!(ctx->fs->super->s_feature_incompat &
+                       EXT4_FEATURE_INCOMPAT_DIRDATA)) {
+               if ((de->name_len >> 8) & ~EXT2_FT_MASK) {
+                       /* clear dirent extra data flags. */
+                       if (fix_problem(ctx, PR_2_CLEAR_DIRDATA, pctx)) {
+                               de->name_len &= (EXT2_FT_MASK << 8) |
+                                               EXT2_NAME_LEN;
+                               return 2;
+                       }
+               }
+               return 1;
+       }
+       if ((de->name_len >> 8) & ~EXT2_FT_MASK) {
+               if (de->rec_len >= EXT2_DIR_REC_LEN(de) ||
+                   de->rec_len + offset == EXT2_BLOCK_SIZE(ctx->fs->super)) {
+                       if (ext2_get_dirent_dirdata_size(de,
+                                                        EXT2_DIRENT_LUFID) ==
+                           EXT2_DIRENT_LUFID_SIZE)
+                               return 0;
+               }
+               /* just clear dirent data flags for now, we should fix FID data
+                * in lustre specific pass.
+                */
+               if (fix_problem(ctx, PR_2_CLEAR_DIRDATA, pctx)) {
+                       ext2_fix_dirent_dirdata(de);
+                       if (ext2_get_dirent_dirdata_size(de,
+                                                        EXT2_DIRENT_LUFID) !=
+                           EXT2_DIRENT_LUFID_SIZE)
+                               de->name_len &= ~(EXT2_DIRENT_LUFID << 8);
+
+                       return 2;
+               }
+       }
+       return 1;
+}
+/*
  * 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,
+                    struct ext2_dir_entry *dirent, unsigned int offset,
                     ext2_ino_t ino, struct problem_context *pctx)
 {
        struct ext2_dir_entry *nextdir;
-       int     status = 0;
-       int     created = 0;
-       int     new_len;
-       int     problem = 0;
-       
+       unsigned int    rec_len, new_len;
+       int             status = 0;
+       int             created = 0;
+       problem_t       problem = 0;
+       int             dir_data_error;
+
        if (!dirent->inode)
                problem = PR_2_MISSING_DOT;
        else if (((dirent->name_len & 0xFF) != 1) ||
@@ -375,11 +430,14 @@ static int check_dot(e2fsck_t ctx,
                problem = PR_2_1ST_NOT_DOT;
        else if (dirent->name[1] != '\0')
                problem = PR_2_DOT_NULL_TERM;
-       
+
+       dir_data_error = e2fsck_check_dirent_data(ctx, dirent, offset, pctx);
+
+       (void) ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
        if (problem) {
                if (fix_problem(ctx, problem, pctx)) {
-                       if (dirent->rec_len < 12)
-                               dirent->rec_len = 12;
+                       if (rec_len < 12 && dir_data_error)
+                               rec_len = dirent->rec_len = 12;
                        dirent->inode = ino;
                        dirent->name_len = 1;
                        dirent->name[0] = '.';
@@ -394,15 +452,16 @@ static int check_dot(e2fsck_t ctx,
                        status = 1;
                }
        }
-       if (dirent->rec_len > 12) {
-               new_len = dirent->rec_len - 12;
+       if (rec_len > 12 && dir_data_error) {
+               new_len = rec_len - 12;
                if (new_len > 12) {
                        if (created ||
                            fix_problem(ctx, PR_2_SPLIT_DOT, pctx)) {
                                nextdir = (struct ext2_dir_entry *)
                                        ((char *) dirent + 12);
                                dirent->rec_len = 12;
-                               nextdir->rec_len = new_len;
+                               (void) ext2fs_set_rec_len(ctx->fs, new_len,
+                                                         nextdir);
                                nextdir->inode = 0;
                                nextdir->name_len = 0;
                                status = 1;
@@ -418,11 +477,13 @@ static int check_dot(e2fsck_t ctx,
  * here; this gets done in pass 3.
  */
 static int check_dotdot(e2fsck_t ctx,
-                       struct ext2_dir_entry *dirent,
-                       struct dir_info *dir, struct problem_context *pctx)
+                       struct ext2_dir_entry *dirent, unsigned int offset,
+                       ext2_ino_t ino, struct problem_context *pctx)
 {
-       int             problem = 0;
-       
+       problem_t       problem = 0;
+       unsigned int    rec_len;
+       int             dir_data_error;
+
        if (!dirent->inode)
                problem = PR_2_MISSING_DOT_DOT;
        else if (((dirent->name_len & 0xFF) != 2) ||
@@ -432,9 +493,12 @@ static int check_dotdot(e2fsck_t ctx,
        else if (dirent->name[2] != '\0')
                problem = PR_2_DOT_DOT_NULL_TERM;
 
+       dir_data_error = e2fsck_check_dirent_data(ctx, dirent, offset, pctx);
+
+       (void) ext2fs_get_rec_len(ctx->fs, dirent, &rec_len);
        if (problem) {
                if (fix_problem(ctx, problem, pctx)) {
-                       if (dirent->rec_len < 12)
+                       if (rec_len < 12 && dir_data_error)
                                dirent->rec_len = 12;
                        /*
                         * Note: we don't have the parent inode just
@@ -447,10 +511,13 @@ static int check_dotdot(e2fsck_t ctx,
                        dirent->name[1] = '.';
                        dirent->name[2] = '\0';
                        return 1;
-               } 
+               }
                return 0;
        }
-       dir->dotdot = dirent->inode;
+       if (e2fsck_dir_info_set_dotdot(ctx, ino, dirent->inode)) {
+               fix_problem(ctx, PR_2_NO_DIRINFO, pctx);
+               return -1;
+       }
        return 0;
 }
 
@@ -460,13 +527,13 @@ static int check_dotdot(e2fsck_t ctx,
  */
 static int check_name(e2fsck_t ctx,
                      struct ext2_dir_entry *dirent,
-                     ext2_ino_t dir_ino EXT2FS_ATTR((unused)), 
+                     ext2_ino_t dir_ino EXT2FS_ATTR((unused)),
                      struct problem_context *pctx)
 {
        int     i;
        int     fixup = -1;
        int     ret = 0;
-       
+
        for ( i = 0; i < (dirent->name_len & 0xFF); i++) {
                if (dirent->name[i] == '/' || dirent->name[i] == '\0') {
                        if (fixup < 0) {
@@ -491,7 +558,14 @@ static _INLINE_ int check_filetype(e2fsck_t ctx,
 {
        int     filetype = dirent->name_len >> 8;
        int     should_be = EXT2_FT_UNKNOWN;
+       __u16   result;
        struct ext2_inode       inode;
+       __u8    dirdata = 0;
+
+       if (ctx->fs->super->s_feature_incompat & EXT4_FEATURE_INCOMPAT_DIRDATA) {
+               dirdata = filetype & ~EXT2_FT_MASK;
+               filetype = filetype & EXT2_FT_MASK;
+       }
 
        if (!(ctx->fs->super->s_feature_incompat &
              EXT2_FEATURE_INCOMPAT_FILETYPE)) {
@@ -502,16 +576,18 @@ static _INLINE_ int check_filetype(e2fsck_t ctx,
                return 1;
        }
 
-       if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, dirent->inode)) {
+       if (ctx->inode_badness)
+               ext2fs_icount_fetch(ctx->inode_badness, dirent->inode,
+                                       &result);
+
+       if (ext2fs_test_inode_bitmap2(ctx->inode_dir_map, dirent->inode)) {
                should_be = EXT2_FT_DIR;
-       } else if (ext2fs_test_inode_bitmap(ctx->inode_reg_map,
+       } else if (ext2fs_test_inode_bitmap2(ctx->inode_reg_map,
                                            dirent->inode)) {
                should_be = EXT2_FT_REG_FILE;
-       } else if (ctx->inode_bad_map &&
-                  ext2fs_test_inode_bitmap(ctx->inode_bad_map,
-                                           dirent->inode))
+       } else if (ctx->inode_badness && result >= BADNESS_BAD_MODE) {
                should_be = 0;
-       else {
+       else {
                e2fsck_read_inode(ctx, dirent->inode, &inode,
                                  "check_filetype");
                should_be = ext2_file_type(inode.i_mode);
@@ -523,14 +599,15 @@ static _INLINE_ int check_filetype(e2fsck_t ctx,
        if (fix_problem(ctx, filetype ? PR_2_BAD_FILETYPE : PR_2_SET_FILETYPE,
                        pctx) == 0)
                return 0;
-                       
-       dirent->name_len = (dirent->name_len & 0xFF) | should_be << 8;
+
+       dirent->name_len = (dirent->name_len & 0xFF) |
+                          (dirdata | should_be) << 8;
        return 1;
 }
 
 #ifdef ENABLE_HTREE
 static void parse_int_node(ext2_filsys fs,
-                          struct ext2_db_entry *db,
+                          struct ext2_db_entry2 *db,
                           struct check_dir_struct *cd,
                           struct dx_dir_info   *dx_dir,
                           char *block_buf)
@@ -546,27 +623,28 @@ static void parse_int_node(ext2_filsys fs,
        ext2_dirhash_t  hash = 0, prev_hash;
 
        if (db->blockcnt == 0) {
-               root = (struct ext2_dx_root_info *) (block_buf + 24);
-               
+               root = get_ext2_dx_root_info(fs, block_buf);
+
 #ifdef DX_DEBUG
                printf("Root node dump:\n");
-               printf("\t Reserved zero: %d\n", root->reserved_zero);
+               printf("\t Reserved zero: %u\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);
+               ent = (struct ext2_dx_entry *)((char *)root +
+                                              root->info_length);
        } else {
-               ent = (struct ext2_dx_entry *) (block_buf+8);
+               ent = (struct ext2_dx_entry *)(block_buf + 8);
        }
-       limit = (struct ext2_dx_countlimit *) ent;
+       limit = (struct ext2_dx_countlimit *)ent;
 
 #ifdef DX_DEBUG
-       printf("Number of entries (count): %d\n", 
+       printf("Number of entries (count): %d\n",
               ext2fs_le16_to_cpu(limit->count));
-       printf("Number of entries (limit): %d\n", 
+       printf("Number of entries (limit): %d\n",
               ext2fs_le16_to_cpu(limit->limit));
 #endif
 
@@ -584,21 +662,22 @@ static void parse_int_node(ext2_filsys fs,
                        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,
+               printf("Entry #%d: Hash 0x%08x, block %u\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) {
+               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;
+                       continue;
                }
                if (hash < prev_hash &&
                    fix_problem(cd->ctx, PR_2_HTREE_HASH_ORDER, &cd->pctx))
@@ -616,7 +695,7 @@ static void parse_int_node(ext2_filsys fs,
                        max_hash = hash;
                dx_db->node_min_hash = hash;
                if ((i+1) < count)
-                       dx_db->node_max_hash = 
+                       dx_db->node_max_hash =
                          ext2fs_le32_to_cpu(ent[i+1].hash) & ~1;
                else {
                        dx_db->node_max_hash = 0xfffffffe;
@@ -642,7 +721,7 @@ clear_and_exit:
 
 /*
  * Given a busted directory, try to salvage it somehow.
- * 
+ *
  */
 static void salvage_directory(ext2_filsys fs,
                              struct ext2_dir_entry *dirent,
@@ -650,14 +729,18 @@ static void salvage_directory(ext2_filsys fs,
                              unsigned int *offset)
 {
        char    *cp = (char *) dirent;
-       int left = fs->blocksize - *offset - dirent->rec_len;
-       int name_len = dirent->name_len & 0xFF;
+       int left;
+       unsigned int rec_len, prev_rec_len;
+       unsigned int name_len = dirent->name_len & 0xFF;
+
+       (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
+       left = fs->blocksize - *offset - rec_len;
 
        /*
         * 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)) {
+       if ((left >= 12) && (rec_len == 8)) {
                memmove(cp, cp+8, left);
                memset(cp + left, 0, 8);
                return;
@@ -668,20 +751,24 @@ static void salvage_directory(ext2_filsys fs,
         * record length.
         */
        if ((left < 0) &&
-           (name_len + 8 <= dirent->rec_len + left) &&
+           ((int) rec_len + left > 8) &&
+           ((int) name_len + 8 <= (int) rec_len + left) &&
            dirent->inode <= fs->super->s_inodes_count &&
            strnlen(dirent->name, name_len) == name_len) {
-               dirent->rec_len += left;
+               (void) ext2fs_set_rec_len(fs, (int) rec_len + left, dirent);
                return;
        }
        /*
-        * If the directory entry is a multiple of four, so it is
-        * valid, let the previous directory entry absorb the invalid
-        * one. 
+        * If the record length of the directory entry is a multiple
+        * of four, and not too big, such that 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;
+       if (prev && rec_len && (rec_len % 4) == 0 &&
+           (*offset + rec_len <= fs->blocksize)) {
+               (void) ext2fs_get_rec_len(fs, prev, &prev_rec_len);
+               prev_rec_len += rec_len;
+               (void) ext2fs_set_rec_len(fs, prev_rec_len, prev);
+               *offset += rec_len;
                return;
        }
        /*
@@ -691,20 +778,22 @@ static void salvage_directory(ext2_filsys fs,
         * new empty directory entry the rest of the directory block.
         */
        if (prev) {
-               prev->rec_len += fs->blocksize - *offset;
+               (void) ext2fs_get_rec_len(fs, prev, &prev_rec_len);
+               prev_rec_len += fs->blocksize - *offset;
+               (void) ext2fs_set_rec_len(fs, prev_rec_len, prev);
                *offset = fs->blocksize;
        } else {
-               dirent->rec_len = fs->blocksize - *offset;
+               rec_len = fs->blocksize - *offset;
+               (void) ext2fs_set_rec_len(fs, rec_len, dirent);
                dirent->name_len = 0;
                dirent->inode = 0;
        }
 }
 
 static int check_dir_block(ext2_filsys fs,
-                          struct ext2_db_entry *db,
+                          struct ext2_db_entry2 *db,
                           void *priv_data)
 {
-       struct dir_info         *subdir, *dir;
        struct dx_dir_info      *dx_dir;
 #ifdef ENABLE_HTREE
        struct dx_dirblock_info *dx_db = 0;
@@ -714,34 +803,37 @@ static int check_dir_block(ext2_filsys fs,
        unsigned int            offset = 0;
        int                     dir_modified = 0;
        int                     dot_state;
-       blk_t                   block_nr = db->blk;
+       unsigned int            rec_len;
+       blk64_t                 block_nr = db->blk;
        ext2_ino_t              ino = db->ino;
+       ext2_ino_t              subdir_parent;
        __u16                   links;
        struct check_dir_struct *cd;
        char                    *buf;
        e2fsck_t                ctx;
-       int                     problem;
+       problem_t               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;
+       int     ret;
 
        cd = (struct check_dir_struct *) priv_data;
        buf = cd->buf;
        ctx = cd->ctx;
 
-       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+       if (ctx->flags & E2F_FLAG_RUN_RETURN)
                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 
+        * Make sure the inode is still in use (could have been
         * deleted in the duplicate/bad blocks pass.
         */
-       if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map, ino))) 
+       if (!(ext2fs_test_inode_bitmap2(ctx->inode_used_map, ino)))
                return 0;
 
        cd->pctx.ino = ino;
@@ -756,7 +848,7 @@ static int check_dir_block(ext2_filsys fs,
                        return 0;
                block_nr = db->blk;
        }
-       
+
        if (db->blockcnt)
                dot_state = 2;
        else
@@ -770,8 +862,10 @@ static int check_dir_block(ext2_filsys fs,
        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);
+
+       ehandler_operation(_("reading directory block"));
+       cd->pctx.errcode = ext2fs_read_dir_block3(fs, block_nr, buf, 0);
+       ehandler_operation(0);
        if (cd->pctx.errcode == EXT2_ET_DIR_CORRUPTED)
                cd->pctx.errcode = 0; /* We'll handle this ourselves */
        if (cd->pctx.errcode) {
@@ -785,19 +879,27 @@ static int check_dir_block(ext2_filsys fs,
        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();
+                       pctx.dir = ino;
+                       if (fix_problem(ctx, PR_2_UNEXPECTED_HTREE_BLOCK,
+                                       &pctx)) {
+                               clear_htree(ctx, ino);
+                               dx_dir->numblocks = 0;
+                               dx_db = 0;
+                               goto out_htree;
+                       }
+                       fatal_error(ctx, _("Can not continue."));
                }
                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;
+               (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
                limit = (struct ext2_dx_countlimit *) (buf+8);
                if (db->blockcnt == 0) {
-                       root = (struct ext2_dx_root_info *) (buf + 24);
+                       root = get_ext2_dx_root_info(fs, buf);
                        dx_db->type = DX_DIRBLOCK_ROOT;
                        dx_db->flags |= DX_FLAG_FIRST | DX_FLAG_LAST;
                        if ((root->reserved_zero ||
@@ -807,30 +909,38 @@ static int check_dir_block(ext2_filsys fs,
                                clear_htree(ctx, ino);
                                dx_dir->numblocks = 0;
                                dx_db = 0;
-                       } 
+                       }
                        dx_dir->hashversion = root->hash_version;
+                       if ((dx_dir->hashversion <= EXT2_HASH_TEA) &&
+                           (fs->super->s_flags & EXT2_FLAGS_UNSIGNED_HASH))
+                               dx_dir->hashversion += 3;
                        dx_dir->depth = root->indirect_levels + 1;
                } else if ((dirent->inode == 0) &&
-                          (dirent->rec_len == fs->blocksize) &&
+                          (rec_len == fs->blocksize) &&
                           (dirent->name_len == 0) &&
-                          (ext2fs_le16_to_cpu(limit->limit) == 
-                           ((fs->blocksize-8) / 
+                          (ext2fs_le16_to_cpu(limit->limit) ==
+                           ((fs->blocksize-8) /
                             sizeof(struct ext2_dx_entry))))
                        dx_db->type = DX_DIRBLOCK_NODE;
        }
+out_htree:
 #endif /* ENABLE_HTREE */
 
        dict_init(&de_dict, DICTCOUNT_T_MAX, dict_de_cmp);
        prev = 0;
        do {
+               dgrp_t group;
+               ext2_ino_t first_unused_inode;
+
                problem = 0;
                dirent = (struct ext2_dir_entry *) (buf + offset);
+               (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
                cd->pctx.dirent = dirent;
                cd->pctx.num = offset;
-               if (((offset + dirent->rec_len) > fs->blocksize) ||
-                   (dirent->rec_len < 12) ||
-                   ((dirent->rec_len % 4) != 0) ||
-                   (((dirent->name_len & 0xFF)+8) > dirent->rec_len)) {
+               if (((offset + rec_len) > fs->blocksize) ||
+                   (rec_len < 12) ||
+                   ((rec_len % 4) != 0) ||
+                   (((dirent->name_len & (unsigned) 0xFF)+8) > rec_len)) {
                        if (fix_problem(ctx, PR_2_DIR_CORRUPTED, &cd->pctx)) {
                                salvage_directory(fs, dirent, prev, &offset);
                                dir_modified++;
@@ -838,23 +948,15 @@ static int check_dir_block(ext2_filsys fs,
                        } else
                                goto abort_free_dict;
                }
-               if ((dirent->name_len & 0xFF) > EXT2_NAME_LEN) {
-                       if (fix_problem(ctx, PR_2_FILENAME_LONG, &cd->pctx)) {
-                               dirent->name_len = EXT2_NAME_LEN;
-                               dir_modified++;
-                       }
-               }
 
                if (dot_state == 0) {
-                       if (check_dot(ctx, dirent, ino, &cd->pctx))
+                       if (check_dot(ctx, dirent, offset, ino, &cd->pctx))
                                dir_modified++;
                } else if (dot_state == 1) {
-                       dir = e2fsck_get_dir_info(ctx, ino);
-                       if (!dir) {
-                               fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
+                       ret = check_dotdot(ctx, dirent, offset, ino, &cd->pctx);
+                       if (ret < 0)
                                goto abort_free_dict;
-                       }
-                       if (check_dotdot(ctx, dirent, dir, &cd->pctx))
+                       if (ret)
                                dir_modified++;
                } else if (dirent->inode == ino) {
                        problem = PR_2_LINK_DOT;
@@ -864,24 +966,22 @@ static int check_dir_block(ext2_filsys fs,
                                goto next;
                        }
                }
-               if (!dirent->inode) 
+               if (!dirent->inode)
                        goto next;
-               
+
+               ret = e2fsck_check_dirent_data(ctx, dirent, offset, &cd->pctx);
+               if (ret == 2)
+                       dir_modified++;
+
                /*
                 * Make sure the inode listed is a legal one.
-                */ 
+                */
                if (((dirent->inode != EXT2_ROOT_INO) &&
                     (dirent->inode < EXT2_FIRST_INODE(fs->super))) ||
                    (dirent->inode > fs->super->s_inodes_count)) {
                        problem = PR_2_BAD_INO;
-               } else if (!(ext2fs_test_inode_bitmap(ctx->inode_used_map,
-                                              dirent->inode))) {
-                       /*
-                        * If the inode is unused, offer to clear it.
-                        */
-                       problem = PR_2_UNUSED_INODE;
                } else if (ctx->inode_bb_map &&
-                          (ext2fs_test_inode_bitmap(ctx->inode_bb_map,
+                          (ext2fs_test_inode_bitmap2(ctx->inode_bb_map,
                                                     dirent->inode))) {
                        /*
                         * If the inode is in a bad block, offer to
@@ -899,7 +999,7 @@ static int check_dir_block(ext2_filsys fs,
                        problem = PR_2_DUP_DOT;
                } else if ((dot_state > 1) &&
                           ((dirent->name_len & 0xFF) == 2) &&
-                          (dirent->name[0] == '.') && 
+                          (dirent->name[0] == '.') &&
                           (dirent->name[1] == '.')) {
                        /*
                         * If there's a '..' entry in anything other
@@ -942,11 +1042,9 @@ static int check_dir_block(ext2_filsys fs,
                 * (We wait until now so that we can display the
                 * pathname to the user.)
                 */
-               if (ctx->inode_bad_map &&
-                   ext2fs_test_inode_bitmap(ctx->inode_bad_map,
-                                            dirent->inode)) {
-                       if (e2fsck_process_bad_inode(ctx, ino,
-                                                    dirent->inode,
+               if (ctx->inode_badness &&
+                   ext2fs_icount_is_set(ctx->inode_badness, dirent->inode)) {
+                       if (e2fsck_process_bad_inode(ctx, ino, dirent->inode,
                                                     buf + fs->blocksize)) {
                                dirent->inode = 0;
                                dir_modified++;
@@ -956,6 +1054,71 @@ static int check_dir_block(ext2_filsys fs,
                                return DIRENT_ABORT;
                }
 
+               group = ext2fs_group_of_ino(fs, dirent->inode);
+               first_unused_inode = group * fs->super->s_inodes_per_group +
+                                       1 + fs->super->s_inodes_per_group -
+                                       ext2fs_bg_itable_unused(fs, group);
+               cd->pctx.group = group;
+
+               /*
+                * Check if the inode was missed out because
+                * _INODE_UNINIT flag was set or bg_itable_unused was
+                * incorrect.  If so, clear the _INODE_UNINIT flag and
+                * restart e2fsck.  In the future it would be nice if
+                * we could call a function in pass1.c that checks the
+                * newly visible inodes.
+                */
+               if (ext2fs_bg_flags_test(fs, group, EXT2_BG_INODE_UNINIT)) {
+                       pctx.num = dirent->inode;
+                       if (fix_problem(ctx, PR_2_INOREF_BG_INO_UNINIT,
+                                       &cd->pctx)){
+                               ext2fs_bg_flags_clear(fs, group,
+                                                     EXT2_BG_INODE_UNINIT);
+                               ext2fs_mark_super_dirty(fs);
+                               ctx->flags |= E2F_FLAG_RESTART_LATER;
+                       } else {
+                               ext2fs_unmark_valid(fs);
+                               if (problem == PR_2_BAD_INO)
+                                       goto next;
+                       }
+               } else if (dirent->inode >= first_unused_inode) {
+                       pctx.num = dirent->inode;
+                       if (fix_problem(ctx, PR_2_INOREF_IN_UNUSED, &cd->pctx)){
+                               ext2fs_bg_itable_unused_set(fs, group, 0);
+                               ext2fs_mark_super_dirty(fs);
+                               ctx->flags |= E2F_FLAG_RESTART_LATER;
+                       } else {
+                               ext2fs_unmark_valid(fs);
+                               if (problem == PR_2_BAD_INO)
+                                       goto next;
+                       }
+               }
+
+               /* 
+                * Offer to clear unused inodes; if we are going to be
+                * restarting the scan due to bg_itable_unused being
+                * wrong, then don't clear any inodes to avoid zapping
+                * inodes that were skipped during pass1 due to an
+                * incorrect bg_itable_unused; we'll get any real
+                * problems after we restart.
+                */
+               if (!(ctx->flags & E2F_FLAG_RESTART_LATER) &&
+                   !(ext2fs_test_inode_bitmap2(ctx->inode_used_map,
+                                               dirent->inode)))
+                       problem = PR_2_UNUSED_INODE;
+
+               if (problem) {
+                       if (fix_problem(ctx, problem, &cd->pctx)) {
+                               dirent->inode = 0;
+                               dir_modified++;
+                               goto next;
+                       } else {
+                               ext2fs_unmark_valid(fs);
+                               if (problem == PR_2_BAD_INO)
+                                       goto next;
+                       }
+               }
+
                if (check_name(ctx, dirent, ino, &cd->pctx))
                        dir_modified++;
 
@@ -982,16 +1145,16 @@ static int check_dir_block(ext2_filsys fs,
                 * and ask the user if he/she wants to clear this one.
                 */
                if ((dot_state > 1) &&
-                   (ext2fs_test_inode_bitmap(ctx->inode_dir_map,
+                   (ext2fs_test_inode_bitmap2(ctx->inode_dir_map,
                                              dirent->inode))) {
-                       subdir = e2fsck_get_dir_info(ctx, dirent->inode);
-                       if (!subdir) {
+                       if (e2fsck_dir_info_get_parent(ctx, dirent->inode,
+                                                      &subdir_parent)) {
                                cd->pctx.ino = dirent->inode;
                                fix_problem(ctx, PR_2_NO_DIRINFO, &cd->pctx);
                                goto abort_free_dict;
                        }
-                       if (subdir->parent) {
-                               cd->pctx.ino2 = subdir->parent;
+                       if (subdir_parent) {
+                               cd->pctx.ino2 = subdir_parent;
                                if (fix_problem(ctx, PR_2_LINK_DIR,
                                                &cd->pctx)) {
                                        dirent->inode = 0;
@@ -999,8 +1162,10 @@ static int check_dir_block(ext2_filsys fs,
                                        goto next;
                                }
                                cd->pctx.ino2 = 0;
-                       } else
-                               subdir->parent = ino;
+                       } else {
+                               (void) e2fsck_dir_info_set_parent(ctx,
+                                                 dirent->inode, ino);
+                       }
                }
 
                if (dups_found) {
@@ -1017,7 +1182,7 @@ static int check_dir_block(ext2_filsys fs,
                        dups_found++;
                } else
                        dict_alloc_insert(&de_dict, dirent, dirent);
-               
+
                ext2fs_icount_increment(ctx->inode_count, dirent->inode,
                                        &links);
                if (links > 1)
@@ -1025,7 +1190,9 @@ static int check_dir_block(ext2_filsys fs,
                ctx->fs_total_count++;
        next:
                prev = dirent;
-               offset += dirent->rec_len;
+               if (dir_modified)
+                       (void) ext2fs_get_rec_len(fs, dirent, &rec_len);
+               offset += rec_len;
                dot_state++;
        } while (offset < fs->blocksize);
 #if 0
@@ -1045,14 +1212,14 @@ static int check_dir_block(ext2_filsys fs,
        }
 #endif /* ENABLE_HTREE */
        if (offset != fs->blocksize) {
-               cd->pctx.num = dirent->rec_len - fs->blocksize + offset;
+               cd->pctx.num = rec_len - fs->blocksize + 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_block(fs, block_nr, buf);
+               cd->pctx.errcode = ext2fs_write_dir_block3(fs, block_nr, buf, 0);
                if (cd->pctx.errcode) {
                        if (!fix_problem(ctx, PR_2_WRITE_DIRBLOCK,
                                         &cd->pctx))
@@ -1063,34 +1230,40 @@ static int check_dir_block(ext2_filsys fs,
        dict_free_nodes(&de_dict);
        return 0;
 abort_free_dict:
-       dict_free_nodes(&de_dict);
        ctx->flags |= E2F_FLAG_ABORT;
+       dict_free_nodes(&de_dict);
        return DIRENT_ABORT;
 }
 
+struct del_block {
+       e2fsck_t        ctx;
+       e2_blkcnt_t     num;
+};
+
 /*
  * This function is called to deallocate a block, and is an interator
  * functioned called by deallocate inode via ext2fs_iterate_block().
  */
 static int deallocate_inode_block(ext2_filsys fs,
-                                 blk_t *block_nr,
+                                 blk64_t       *block_nr,
                                  e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
-                                 blk_t ref_block EXT2FS_ATTR((unused)),
+                                 blk64_t ref_block EXT2FS_ATTR((unused)),
                                  int ref_offset EXT2FS_ATTR((unused)),
                                  void *priv_data)
 {
-       e2fsck_t        ctx = (e2fsck_t) priv_data;
-       
+       struct del_block *p = priv_data;
+
        if (HOLE_BLKADDR(*block_nr))
                return 0;
        if ((*block_nr < fs->super->s_first_data_block) ||
-           (*block_nr >= fs->super->s_blocks_count))
+           (*block_nr >= ext2fs_blocks_count(fs->super)))
                return 0;
-       ext2fs_unmark_block_bitmap(ctx->block_found_map, *block_nr);
-       ext2fs_block_alloc_stats(fs, *block_nr, -1);
+       if ((*block_nr % EXT2FS_CLUSTER_RATIO(fs)) == 0)
+               ext2fs_block_alloc_stats2(fs, *block_nr, -1);
+       p->num++;
        return 0;
 }
-               
+
 /*
  * This fuction deallocates an inode
  */
@@ -1100,12 +1273,18 @@ static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf)
        struct ext2_inode       inode;
        struct problem_context  pctx;
        __u32                   count;
-       
-       ext2fs_icount_store(ctx->inode_link_info, ino, 0);
+       struct del_block        del_block;
+       int extent_fs = 0;
+
        e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode");
-       inode.i_links_count = 0;
-       inode.i_dtime = time(0);
-       e2fsck_write_inode(ctx, ino, &inode, "deallocate_inode");
+       /* ext2fs_block_iterate2() depends on the extents flags */
+       if (inode.i_flags & EXT4_EXTENTS_FL)
+               extent_fs = 1;
+       e2fsck_clear_inode(ctx, ino, &inode, 0, "deallocate_inode");
+       if (extent_fs) {
+               inode.i_flags |= EXT4_EXTENTS_FL;
+               e2fsck_write_inode(ctx, ino, &inode, "deallocate_inode");
+       }
        clear_problem_context(&pctx);
        pctx.ino = ino;
 
@@ -1113,48 +1292,53 @@ static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf)
         * Fix up the bitmaps...
         */
        e2fsck_read_bitmaps(ctx);
-       ext2fs_unmark_inode_bitmap(ctx->inode_used_map, ino);
-       ext2fs_unmark_inode_bitmap(ctx->inode_dir_map, ino);
-       if (ctx->inode_bad_map)
-               ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
        ext2fs_inode_alloc_stats2(fs, ino, -1, LINUX_S_ISDIR(inode.i_mode));
 
-       if (inode.i_file_acl &&
+       if (ext2fs_file_acl_block(fs, &inode) &&
            (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);
+               pctx.errcode = ext2fs_adjust_ea_refcount2(fs,
+                                       ext2fs_file_acl_block(fs, &inode),
+                                       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;
+                       pctx.blk = ext2fs_file_acl_block(fs, &inode);
                        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);
+                       ext2fs_block_alloc_stats2(fs,
+                                 ext2fs_file_acl_block(fs, &inode), -1);
                }
-               inode.i_file_acl = 0;
+               if (ctx->inode_badness)
+                       ext2fs_icount_store(ctx->inode_badness, ino, 0);
+               ext2fs_file_acl_block_set(fs, &inode, 0);
        }
 
-       if (!ext2fs_inode_has_valid_blocks(&inode))
-               return;
+       if (!ext2fs_inode_has_valid_blocks2(fs, &inode))
+               goto clear_inode;
 
        if (LINUX_S_ISREG(inode.i_mode) &&
-           (inode.i_size_high || inode.i_size & 0x80000000UL))
+           ext2fs_needs_large_file_feature(EXT2_I_SIZE(&inode)))
                ctx->large_files--;
 
-       pctx.errcode = ext2fs_block_iterate2(fs, ino, 0, block_buf,
-                                           deallocate_inode_block, ctx);
+       del_block.ctx = ctx;
+       del_block.num = 0;
+       pctx.errcode = ext2fs_block_iterate3(fs, ino, 0, block_buf,
+                                            deallocate_inode_block,
+                                            &del_block);
        if (pctx.errcode) {
                fix_problem(ctx, PR_2_DEALLOC_INODE, &pctx);
                ctx->flags |= E2F_FLAG_ABORT;
                return;
        }
+clear_inode:
+       /* Inode may have changed by block_iterate, so reread it */
+       e2fsck_read_inode(ctx, ino, &inode, "deallocate_inode");
+       e2fsck_clear_inode(ctx, ino, &inode, 0, "deallocate_inode");
 }
 
 /*
@@ -1163,7 +1347,7 @@ static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf)
 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");
@@ -1172,8 +1356,8 @@ static void clear_htree(e2fsck_t ctx, ext2_ino_t ino)
 }
 
 
-extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
-                                   ext2_ino_t ino, char *buf)
+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;
@@ -1181,8 +1365,11 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
        int                     not_fixed = 0;
        unsigned char           *frag, *fsize;
        struct problem_context  pctx;
-       int     problem = 0;
+       problem_t               problem = 0;
+       __u16                   badness;
 
+       if (ctx->inode_badness)
+               ext2fs_icount_fetch(ctx->inode_badness, ino, &badness);
        e2fsck_read_inode(ctx, ino, &inode, "process_bad_inode");
 
        clear_problem_context(&pctx);
@@ -1190,28 +1377,15 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
        pctx.dir = dir;
        pctx.inode = &inode;
 
-       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;
-#ifdef EXT2FS_ENABLE_SWAPFS
-               /* 
-                * This is a special kludge to deal with long symlinks
-                * on big endian systems.  i_blocks had already been
-                * decremented earlier in pass 1, but since i_file_acl
-                * hadn't yet been cleared, ext2fs_read_inode()
-                * assumed that the file was short symlink and would
-                * not have byte swapped i_block[0].  Hence, we have
-                * to byte-swap it here.
-                */
-               if (LINUX_S_ISLNK(inode.i_mode) &&
-                   (fs->flags & EXT2_FLAG_SWAP_BYTES) &&
-                   (inode.i_blocks == fs->blocksize >> 9))
-                       inode.i_block[0] = ext2fs_swab32(inode.i_block[0]);
-#endif
-               inode_modified++;
-       } else
-               not_fixed++;
+       if (ext2fs_file_acl_block(fs, &inode) &&
+           !(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR)) {
+               if (fix_problem(ctx, PR_2_FILE_ACL_ZERO, &pctx)) {
+                       ext2fs_file_acl_block_set(fs, &inode, 0);
+                       inode_modified++;
+               } else
+                       not_fixed++;
+               badness += BADNESS_NORMAL;
+       }
 
        if (!LINUX_S_ISDIR(inode.i_mode) && !LINUX_S_ISREG(inode.i_mode) &&
            !LINUX_S_ISCHR(inode.i_mode) && !LINUX_S_ISBLK(inode.i_mode) &&
@@ -1230,8 +1404,8 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
        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)) {
+       else if (LINUX_S_ISLNK(inode.i_mode) &&
+                !e2fsck_pass1_check_symlink(ctx, ino, &inode, buf)) {
                problem = PR_2_INVALID_SYMLINK;
        }
 
@@ -1244,29 +1418,27 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
                } else
                        not_fixed++;
                problem = 0;
+               /*
+                * A high value is associated with bad mode in order to detect
+                * that mode was corrupt in check_filetype()
+                */
+               badness += BADNESS_BAD_MODE;
        }
-               
+
        if (inode.i_faddr) {
                if (fix_problem(ctx, PR_2_FADDR_ZERO, &pctx)) {
                        inode.i_faddr = 0;
                        inode_modified++;
                } else
                        not_fixed++;
+               badness += BADNESS_NORMAL;
        }
 
        switch (fs->super->s_creator_os) {
-           case EXT2_OS_LINUX:
-               frag = &inode.osd2.linux2.l_i_frag;
-               fsize = &inode.osd2.linux2.l_i_fsize;
-               break;
            case EXT2_OS_HURD:
                frag = &inode.osd2.hurd2.h_i_frag;
                fsize = &inode.osd2.hurd2.h_i_fsize;
                break;
-           case EXT2_OS_MASIX:
-               frag = &inode.osd2.masix2.m_i_frag;
-               fsize = &inode.osd2.masix2.m_i_fsize;
-               break;
            default:
                frag = fsize = 0;
        }
@@ -1277,6 +1449,7 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
                        inode_modified++;
                } else
                        not_fixed++;
+               badness += BADNESS_NORMAL;
                pctx.num = 0;
        }
        if (fsize && *fsize) {
@@ -1286,17 +1459,61 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
                        inode_modified++;
                } else
                        not_fixed++;
+               badness += BADNESS_NORMAL;
                pctx.num = 0;
        }
 
-       if (inode.i_file_acl &&
-           ((inode.i_file_acl < fs->super->s_first_data_block) ||
-            (inode.i_file_acl >= fs->super->s_blocks_count))) {
+       /* In pass1 these conditions were used to mark inode bad so that
+        * it calls e2fsck_process_bad_inode and make an extensive check
+        * plus prompt for action to be taken. To compensate for badness
+        * incremented in pass1 by this condition, decrease it.
+        */
+       if ((inode.i_faddr || frag || fsize ||
+            (LINUX_S_ISDIR(inode.i_mode) && inode.i_dir_acl)) ||
+           (inode.i_file_acl &&
+            (!(fs->super->s_feature_compat & EXT2_FEATURE_COMPAT_EXT_ATTR) ||
+             (inode.i_file_acl < fs->super->s_first_data_block) ||
+             (inode.i_file_acl >= fs->super->s_blocks_count)))) {
+               /* badness can be 0 if called from pass4. */
+               if (badness)
+                       badness -= BADNESS_NORMAL;
+       }
+
+       if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+           !(fs->super->s_feature_ro_compat &
+             EXT4_FEATURE_RO_COMPAT_HUGE_FILE) &&
+           (inode.osd2.linux2.l_i_blocks_hi != 0)) {
+               pctx.num = inode.osd2.linux2.l_i_blocks_hi;
+               if (fix_problem(ctx, PR_2_BLOCKS_HI_ZERO, &pctx)) {
+                       inode.osd2.linux2.l_i_blocks_hi = 0;
+                       inode_modified++;
+               }
+               /* Badness was increased in pass1 for this condition */
+               /* badness += BADNESS_NORMAL; */
+       }
+
+       if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+           !(fs->super->s_feature_incompat &
+            EXT4_FEATURE_INCOMPAT_64BIT) &&
+           inode.osd2.linux2.l_i_file_acl_high != 0) {
+               pctx.num = inode.osd2.linux2.l_i_file_acl_high;
+               if (fix_problem(ctx, PR_2_I_FILE_ACL_HI_ZERO, &pctx)) {
+                       inode.osd2.linux2.l_i_file_acl_high = 0;
+                       inode_modified++;
+               } else
+                       not_fixed++;
+               badness += BADNESS_NORMAL;
+       }
+
+       if (ext2fs_file_acl_block(fs, &inode) &&
+           ((ext2fs_file_acl_block(fs, &inode) < fs->super->s_first_data_block) ||
+            (ext2fs_file_acl_block(fs, &inode) >= ext2fs_blocks_count(fs->super)))) {
                if (fix_problem(ctx, PR_2_FILE_ACL_BAD, &pctx)) {
-                       inode.i_file_acl = 0;
+                       ext2fs_file_acl_block_set(fs, &inode, 0);
                        inode_modified++;
                } else
                        not_fixed++;
+               badness += BADNESS_NORMAL;
        }
        if (inode.i_dir_acl &&
            LINUX_S_ISDIR(inode.i_mode)) {
@@ -1305,12 +1522,29 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
                        inode_modified++;
                } else
                        not_fixed++;
+               badness += BADNESS_NORMAL;
+       }
+
+       /*
+        * The high value due to BADNESS_BAD_MODE should not delete the inode.
+        */
+       if (ctx->inode_badness && (badness - (badness >= BADNESS_BAD_MODE ?
+                                             BADNESS_BAD_MODE : 0)) >=
+           ctx->inode_badness_threshold) {
+               pctx.num = badness;
+               if (fix_problem(ctx, PR_2_INODE_TOOBAD, &pctx)) {
+                       deallocate_inode(ctx, ino, 0);
+                       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+                               return 0;
+                       return 1;
+               }
+               not_fixed++;
        }
 
        if (inode_modified)
                e2fsck_write_inode(ctx, ino, &inode, "process_bad_inode");
-       if (!not_fixed)
-               ext2fs_unmark_inode_bitmap(ctx->inode_bad_map, ino);
+       if (ctx->inode_badness)
+               ext2fs_icount_store(ctx->inode_badness, ino, 0);
        return 0;
 }
 
@@ -1322,12 +1556,12 @@ extern int e2fsck_process_bad_inode(e2fsck_t ctx, ext2_ino_t dir,
  *     that was zeroed out and now needs to be replaced.
  */
 static int allocate_dir_block(e2fsck_t ctx,
-                             struct ext2_db_entry *db,
-                             char *buf EXT2FS_ATTR((unused)), 
+                             struct ext2_db_entry2 *db,
+                             char *buf EXT2FS_ATTR((unused)),
                              struct problem_context *pctx)
 {
        ext2_filsys fs = ctx->fs;
-       blk_t                   blk;
+       blk64_t                 blk = 0;
        char                    *block;
        struct ext2_inode       inode;
 
@@ -1339,18 +1573,24 @@ static int allocate_dir_block(e2fsck_t ctx,
         * them.
         */
        e2fsck_read_bitmaps(ctx);
-       
+
        /*
         * First, find a free block
         */
-       pctx->errcode = ext2fs_new_block(fs, 0, ctx->block_found_map, &blk);
-       if (pctx->errcode) {
-               pctx->str = "ext2fs_new_block";
-               fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
-               return 1;
+       e2fsck_read_inode(ctx, db->ino, &inode, "allocate_dir_block");
+       pctx->errcode = ext2fs_map_cluster_block(fs, db->ino, &inode,
+                                                db->blockcnt, &blk);
+       if (pctx->errcode || blk == 0) {
+               pctx->errcode = ext2fs_new_block2(fs, 0,
+                                                 ctx->block_found_map, &blk);
+               if (pctx->errcode) {
+                       pctx->str = "ext2fs_new_block";
+                       fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
+                       return 1;
+               }
        }
-       ext2fs_mark_block_bitmap(ctx->block_found_map, blk);
-       ext2fs_mark_block_bitmap(fs->block_map, blk);
+       ext2fs_mark_block_bitmap2(ctx->block_found_map, blk);
+       ext2fs_mark_block_bitmap2(fs->block_map, blk);
        ext2fs_mark_bb_dirty(fs);
 
        /*
@@ -1368,7 +1608,7 @@ static int allocate_dir_block(e2fsck_t ctx,
                return 1;
        }
 
-       pctx->errcode = ext2fs_write_dir_block(fs, blk, block);
+       pctx->errcode = ext2fs_write_dir_block3(fs, blk, block, 0);
        ext2fs_free_mem(&block);
        if (pctx->errcode) {
                pctx->str = "ext2fs_write_dir_block";
@@ -1379,18 +1619,24 @@ static int allocate_dir_block(e2fsck_t ctx,
        /*
         * Update the inode block count
         */
-       e2fsck_read_inode(ctx, db->ino, &inode, "allocate_dir_block");
-       inode.i_blocks += fs->blocksize / 512;
-       if (inode.i_size < (db->blockcnt+1) * fs->blocksize)
-               inode.i_size = (db->blockcnt+1) * fs->blocksize;
+       ext2fs_iblk_add_blocks(fs, &inode, 1);
+       if (EXT2_I_SIZE(&inode) < (db->blockcnt+1) * fs->blocksize) {
+               pctx->errcode = ext2fs_inode_size_set(fs, &inode,
+                                       (db->blockcnt+1) * fs->blocksize);
+               if (pctx->errcode) {
+                       pctx->str = "ext2fs_inode_size_set";
+                       fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
+                       return 1;
+               }
+       }
        e2fsck_write_inode(ctx, db->ino, &inode, "allocate_dir_block");
 
        /*
         * Finally, update the block pointers for the inode
         */
        db->blk = blk;
-       pctx->errcode = ext2fs_block_iterate2(fs, db->ino, BLOCK_FLAG_HOLE,
-                                     0, update_dir_block, db);
+       pctx->errcode = ext2fs_bmap2(fs, db->ino, &inode, 0, BMAP_SET,
+                                    db->blockcnt, 0, &blk);
        if (pctx->errcode) {
                pctx->str = "ext2fs_block_iterate";
                fix_problem(ctx, PR_2_ALLOC_DIRBOCK, pctx);
@@ -1399,23 +1645,3 @@ static int allocate_dir_block(e2fsck_t ctx,
 
        return 0;
 }
-
-/*
- * This is a helper function for allocate_dir_block().
- */
-static int update_dir_block(ext2_filsys fs EXT2FS_ATTR((unused)),
-                           blk_t       *block_nr,
-                           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 == (int) blockcnt) {
-               *block_nr = db->blk;
-               return BLOCK_CHANGED;
-       }
-       return 0;
-}