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e2fsck: merge dirs_to_hash when threads finish
[tools/e2fsprogs.git] / e2fsck / pass1.c
index e097c39..922de3d 100644 (file)
  *     - A bitmap of which inodes have bad fields.     (inode_bad_map)
  *     - A bitmap of which inodes are in bad blocks.   (inode_bb_map)
  *     - A bitmap of which inodes are imagic inodes.   (inode_imagic_map)
+ *     - A bitmap of which inodes are casefolded.      (inode_casefold_map)
  *     - A bitmap of which blocks are in use.          (block_found_map)
  *     - A bitmap of which blocks are in use by two inodes     (block_dup_map)
  *     - The data blocks of the directory inodes.      (dir_map)
+ *     - Ref counts for ea_inodes.                     (ea_inode_refs)
+ *     - The encryption policy ID of each encrypted inode. (encrypted_files)
  *
  * Pass 1 is designed to stash away enough information so that the
  * other passes should not need to read in the inode information
- * during the normal course of a filesystem check.  (Althogh if an
+ * during the normal course of a filesystem check.  (Although if an
  * inconsistency is detected, other passes may need to read in an
  * inode to fix it.)
  *
 #ifdef HAVE_ERRNO_H
 #include <errno.h>
 #endif
+#include <assert.h>
+#ifdef HAVE_PTHREAD
+#include <pthread.h>
+#endif
 
 #include "e2fsck.h"
 #include <ext2fs/ext2_ext_attr.h>
+/* todo remove this finally */
+#include <ext2fs/ext2fsP.h>
+#include <e2p/e2p.h>
 
 #include "problem.h"
 
 
 #undef DEBUG
 
+struct ea_quota {
+       blk64_t blocks;
+       __u64 inodes;
+};
+
 static int process_block(ext2_filsys fs, blk64_t       *blocknr,
                         e2_blkcnt_t blockcnt, blk64_t ref_blk,
                         int ref_offset, void *priv_data);
@@ -65,14 +80,14 @@ static int process_bad_block(ext2_filsys fs, blk64_t *block_nr,
                             e2_blkcnt_t blockcnt, blk64_t ref_blk,
                             int ref_offset, void *priv_data);
 static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
-                        char *block_buf);
+                        char *block_buf,
+                        const struct ea_quota *ea_ibody_quota);
 static void mark_table_blocks(e2fsck_t ctx);
 static void alloc_bb_map(e2fsck_t ctx);
 static void alloc_imagic_map(e2fsck_t ctx);
 static void mark_inode_bad(e2fsck_t ctx, ino_t ino);
-static void add_encrypted_dir(e2fsck_t ctx, ino_t ino);
+static void add_casefolded_dir(e2fsck_t ctx, ino_t ino);
 static void handle_fs_bad_blocks(e2fsck_t ctx);
-static void process_inodes(e2fsck_t ctx, char *block_buf);
 static EXT2_QSORT_TYPE process_inode_cmp(const void *a, const void *b);
 static errcode_t scan_callback(ext2_filsys fs, ext2_inode_scan scan,
                                  dgrp_t group, void * priv_data);
@@ -87,7 +102,7 @@ struct process_block_struct {
                                inode_modified:1;
        blk64_t         num_blocks;
        blk64_t         max_blocks;
-       e2_blkcnt_t     last_block;
+       blk64_t         last_block;
        e2_blkcnt_t     last_init_lblock;
        e2_blkcnt_t     last_db_block;
        int             num_illegal_blocks;
@@ -96,40 +111,31 @@ struct process_block_struct {
        struct problem_context *pctx;
        ext2fs_block_bitmap fs_meta_blocks;
        e2fsck_t        ctx;
-       region_t        region;
+       blk64_t         next_lblock;
        struct extent_tree_info eti;
 };
 
 struct process_inode_block {
        ext2_ino_t ino;
+       struct ea_quota ea_ibody_quota;
        struct ext2_inode_large inode;
 };
 
 struct scan_callback_struct {
-       e2fsck_t        ctx;
-       char            *block_buf;
+       e2fsck_t                         ctx;
+       char                            *block_buf;
+       struct process_inode_block      *inodes_to_process;
+       int                             *process_inode_count;
 };
 
-/*
- * For the inodes to process list.
- */
-static struct process_inode_block *inodes_to_process;
-static int process_inode_count;
+static void process_inodes(e2fsck_t ctx, char *block_buf,
+                          struct process_inode_block *inodes_to_process,
+                          int *process_inode_count);
 
 static __u64 ext2_max_sizes[EXT2_MAX_BLOCK_LOG_SIZE -
                            EXT2_MIN_BLOCK_LOG_SIZE + 1];
 
 /*
- * Free all memory allocated by pass1 in preparation for restarting
- * things.
- */
-static void unwind_pass1(ext2_filsys fs EXT2FS_ATTR((unused)))
-{
-       ext2fs_free_mem(&inodes_to_process);
-       inodes_to_process = 0;
-}
-
-/*
  * Check to make sure a device inode is real.  Returns 1 if the device
  * checks out, 0 if not.
  *
@@ -143,10 +149,10 @@ int e2fsck_pass1_check_device_inode(ext2_filsys fs EXT2FS_ATTR((unused)),
        int     i;
 
        /*
-        * If the index flag is set, then this is a bogus
+        * If the index or extents flag is set, then this is a bogus
         * device/fifo/socket
         */
-       if (inode->i_flags & EXT2_INDEX_FL)
+       if (inode->i_flags & (EXT2_INDEX_FL | EXT4_EXTENTS_FL))
                return 0;
 
        /*
@@ -175,44 +181,18 @@ int e2fsck_pass1_check_device_inode(ext2_filsys fs EXT2FS_ATTR((unused)),
 int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
                               struct ext2_inode *inode, char *buf)
 {
+       unsigned int buflen;
        unsigned int len;
-       int i;
-       blk64_t blocks;
-       ext2_extent_handle_t    handle;
-       struct ext2_extent_info info;
-       struct ext2fs_extent    extent;
 
        if ((inode->i_size_high || inode->i_size == 0) ||
            (inode->i_flags & EXT2_INDEX_FL))
                return 0;
 
-       if (inode->i_flags & EXT4_EXTENTS_FL) {
-               if (inode->i_flags & EXT4_INLINE_DATA_FL)
-                       return 0;
-               if (inode->i_size > fs->blocksize)
-                       return 0;
-               if (ext2fs_extent_open2(fs, ino, inode, &handle))
-                       return 0;
-               i = 0;
-               if (ext2fs_extent_get_info(handle, &info) ||
-                   (info.num_entries != 1) ||
-                   (info.max_depth != 0))
-                       goto exit_extent;
-               if (ext2fs_extent_get(handle, EXT2_EXTENT_ROOT, &extent) ||
-                   (extent.e_lblk != 0) ||
-                   (extent.e_len != 1) ||
-                   (extent.e_pblk < fs->super->s_first_data_block) ||
-                   (extent.e_pblk >= ext2fs_blocks_count(fs->super)))
-                       goto exit_extent;
-               i = 1;
-       exit_extent:
-               ext2fs_extent_free(handle);
-               return i;
-       }
-
        if (inode->i_flags & EXT4_INLINE_DATA_FL) {
                size_t inline_size;
 
+               if (inode->i_flags & EXT4_EXTENTS_FL)
+                       return 0;
                if (ext2fs_inline_data_size(fs, ino, &inline_size))
                        return 0;
                if (inode->i_size != inline_size)
@@ -221,62 +201,64 @@ int e2fsck_pass1_check_symlink(ext2_filsys fs, ext2_ino_t ino,
                return 1;
        }
 
-       blocks = ext2fs_inode_data_blocks2(fs, inode);
-       if (blocks) {
-               if (inode->i_flags & EXT4_INLINE_DATA_FL)
-                       return 0;
-               if ((inode->i_size >= fs->blocksize) ||
-                   (blocks != fs->blocksize >> 9) ||
-                   (inode->i_block[0] < fs->super->s_first_data_block) ||
-                   (inode->i_block[0] >= ext2fs_blocks_count(fs->super)))
+       if (ext2fs_is_fast_symlink(inode)) {
+               if (inode->i_flags & EXT4_EXTENTS_FL)
                        return 0;
+               buf = (char *)inode->i_block;
+               buflen = sizeof(inode->i_block);
+       } else {
+               ext2_extent_handle_t    handle;
+               struct ext2_extent_info info;
+               struct ext2fs_extent    extent;
+               blk64_t blk;
+               int i;
 
-               for (i = 1; i < EXT2_N_BLOCKS; i++)
-                       if (inode->i_block[i])
+               if (inode->i_flags & EXT4_EXTENTS_FL) {
+                       if (ext2fs_extent_open2(fs, ino, inode, &handle))
                                return 0;
-
-               if (io_channel_read_blk64(fs->io, inode->i_block[0], 1, buf))
-                       return 0;
-
-               if (inode->i_flags & EXT4_ENCRYPT_FL) {
-                       len = ext2fs_le32_to_cpu(*((__u32 *)buf)) + 4;
+                       if (ext2fs_extent_get_info(handle, &info) ||
+                           (info.num_entries != 1) ||
+                           (info.max_depth != 0)) {
+                               ext2fs_extent_free(handle);
+                               return 0;
+                       }
+                       if (ext2fs_extent_get(handle, EXT2_EXTENT_ROOT,
+                                             &extent) ||
+                           (extent.e_lblk != 0) ||
+                           (extent.e_len != 1)) {
+                               ext2fs_extent_free(handle);
+                               return 0;
+                       }
+                       blk = extent.e_pblk;
+                       ext2fs_extent_free(handle);
                } else {
-                       len = strnlen(buf, fs->blocksize);
+                       blk = inode->i_block[0];
+
+                       for (i = 1; i < EXT2_N_BLOCKS; i++)
+                               if (inode->i_block[i])
+                                       return 0;
                }
-               if (len == fs->blocksize)
-                       return 0;
-       } else if (inode->i_flags & EXT4_INLINE_DATA_FL) {
-               char *inline_buf = NULL;
-               size_t inline_sz = 0;
 
-               if (ext2fs_inline_data_size(fs, ino, &inline_sz))
-                       return 0;
-               if (inode->i_size != inline_sz)
-                       return 0;
-               if (ext2fs_get_mem(inline_sz + 1, &inline_buf))
-                       return 0;
-               i = 0;
-               if (ext2fs_inline_data_get(fs, ino, inode, inline_buf, NULL))
-                       goto exit_inline;
-               inline_buf[inline_sz] = 0;
-               len = strnlen(inline_buf, inline_sz);
-               if (len != inline_sz)
-                       goto exit_inline;
-               i = 1;
-exit_inline:
-               ext2fs_free_mem(&inline_buf);
-               return i;
-       } else {
-               if (inode->i_size >= sizeof(inode->i_block))
+               if (blk < fs->super->s_first_data_block ||
+                   blk >= ext2fs_blocks_count(fs->super))
                        return 0;
 
-               len = strnlen((char *)inode->i_block, sizeof(inode->i_block));
-               if (len == sizeof(inode->i_block))
+               if (io_channel_read_blk64(fs->io, blk, 1, buf))
                        return 0;
+
+               buflen = fs->blocksize;
        }
+
+       if (inode->i_flags & EXT4_ENCRYPT_FL)
+               len = ext2fs_le16_to_cpu(*(__u16 *)buf) + 2;
+       else
+               len = strnlen(buf, buflen);
+
+       if (len >= buflen)
+               return 0;
+
        if (len != inode->i_size)
-               if ((inode->i_flags & EXT4_ENCRYPT_FL) == 0)
-                       return 0;
+               return 0;
        return 1;
 }
 
@@ -333,21 +315,127 @@ static void check_size(e2fsck_t ctx, struct problem_context *pctx)
        e2fsck_write_inode(ctx, pctx->ino, pctx->inode, "pass1");
 }
 
-static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx)
+/*
+ * For a given size, calculate how many blocks would be charged towards quota.
+ */
+static blk64_t size_to_quota_blocks(ext2_filsys fs, size_t size)
+{
+       blk64_t clusters;
+
+       clusters = DIV_ROUND_UP(size, fs->blocksize << fs->cluster_ratio_bits);
+       return EXT2FS_C2B(fs, clusters);
+}
+
+/*
+ * Check validity of EA inode. Return 0 if EA inode is valid, otherwise return
+ * the problem code.
+ */
+static problem_t check_large_ea_inode(e2fsck_t ctx,
+                                     struct ext2_ext_attr_entry *entry,
+                                     struct problem_context *pctx,
+                                     blk64_t *quota_blocks)
+{
+       struct ext2_inode inode;
+       __u32 hash;
+       errcode_t retval;
+
+       /* Check if inode is within valid range */
+       if ((entry->e_value_inum < EXT2_FIRST_INODE(ctx->fs->super)) ||
+           (entry->e_value_inum > ctx->fs->super->s_inodes_count)) {
+               pctx->num = entry->e_value_inum;
+               return PR_1_ATTR_VALUE_EA_INODE;
+       }
+
+       e2fsck_read_inode(ctx, entry->e_value_inum, &inode, "pass1");
+
+       retval = ext2fs_ext_attr_hash_entry2(ctx->fs, entry, NULL, &hash);
+       if (retval) {
+               com_err("check_large_ea_inode", retval,
+                       _("while hashing entry with e_value_inum = %u"),
+                       entry->e_value_inum);
+               fatal_error(ctx, 0);
+       }
+
+       if (hash == entry->e_hash) {
+               *quota_blocks = size_to_quota_blocks(ctx->fs,
+                                                    entry->e_value_size);
+       } else {
+               /* This might be an old Lustre-style ea_inode reference. */
+               if (inode.i_mtime == pctx->ino &&
+                   inode.i_generation == pctx->inode->i_generation) {
+                       *quota_blocks = 0;
+               } else {
+                       /* If target inode is also missing EA_INODE flag,
+                        * this is likely to be a bad reference.
+                        */
+                       if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
+                               pctx->num = entry->e_value_inum;
+                               return PR_1_ATTR_VALUE_EA_INODE;
+                       } else {
+                               pctx->num = entry->e_hash;
+                               return PR_1_ATTR_HASH;
+                       }
+               }
+       }
+
+       if (!(inode.i_flags & EXT4_EA_INODE_FL)) {
+               pctx->num = entry->e_value_inum;
+               if (fix_problem(ctx, PR_1_ATTR_SET_EA_INODE_FL, pctx)) {
+                       inode.i_flags |= EXT4_EA_INODE_FL;
+                       ext2fs_write_inode(ctx->fs, entry->e_value_inum,
+                                          &inode);
+               } else {
+                       return PR_1_ATTR_NO_EA_INODE_FL;
+               }
+       }
+       return 0;
+}
+
+static void inc_ea_inode_refs(e2fsck_t ctx, struct problem_context *pctx,
+                             struct ext2_ext_attr_entry *first, void *end)
+{
+       struct ext2_ext_attr_entry *entry;
+
+       for (entry = first;
+            (void *)entry < end && !EXT2_EXT_IS_LAST_ENTRY(entry);
+            entry = EXT2_EXT_ATTR_NEXT(entry)) {
+               if (!entry->e_value_inum)
+                       continue;
+               if (!ctx->ea_inode_refs) {
+                       pctx->errcode = ea_refcount_create(0,
+                                                          &ctx->ea_inode_refs);
+                       if (pctx->errcode) {
+                               pctx->num = 4;
+                               fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+                               ctx->flags |= E2F_FLAG_ABORT;
+                               return;
+                       }
+               }
+               ea_refcount_increment(ctx->ea_inode_refs, entry->e_value_inum,
+                                     0);
+       }
+}
+
+static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx,
+                             struct ea_quota *ea_ibody_quota)
 {
        struct ext2_super_block *sb = ctx->fs->super;
        struct ext2_inode_large *inode;
        struct ext2_ext_attr_entry *entry;
-       char *start, *header;
+       char *start, *header, *end;
        unsigned int storage_size, remain;
        problem_t problem = 0;
        region_t region = 0;
 
+       ea_ibody_quota->blocks = 0;
+       ea_ibody_quota->inodes = 0;
+
        inode = (struct ext2_inode_large *) pctx->inode;
        storage_size = EXT2_INODE_SIZE(ctx->fs->super) - EXT2_GOOD_OLD_INODE_SIZE -
                inode->i_extra_isize;
        header = ((char *) inode) + EXT2_GOOD_OLD_INODE_SIZE +
                 inode->i_extra_isize;
+       end = header + storage_size;
        start = header + sizeof(__u32);
        entry = (struct ext2_ext_attr_entry *) start;
 
@@ -391,38 +479,48 @@ static void check_ea_in_inode(e2fsck_t ctx, struct problem_context *pctx)
                /* attribute len eats this space */
                remain -= EXT2_EXT_ATTR_SIZE(entry->e_name_len);
 
-               /* check value size */
-               if (entry->e_value_size > remain) {
-                       pctx->num = entry->e_value_size;
-                       problem = PR_1_ATTR_VALUE_SIZE;
-                       goto fix;
-               }
+               if (entry->e_value_inum == 0) {
+                       /* check value size */
+                       if (entry->e_value_size > remain) {
+                               pctx->num = entry->e_value_size;
+                               problem = PR_1_ATTR_VALUE_SIZE;
+                               goto fix;
+                       }
 
-               /* e_value_block must be 0 in inode's ea */
-               if (entry->e_value_block != 0) {
-                       pctx->num = entry->e_value_block;
-                       problem = PR_1_ATTR_VALUE_BLOCK;
-                       goto fix;
-               }
+                       if (entry->e_value_size &&
+                           region_allocate(region,
+                                           sizeof(__u32) + entry->e_value_offs,
+                                           EXT2_EXT_ATTR_SIZE(
+                                               entry->e_value_size))) {
+                               problem = PR_1_INODE_EA_ALLOC_COLLISION;
+                               goto fix;
+                       }
 
-               if (entry->e_value_size &&
-                   region_allocate(region, sizeof(__u32) + entry->e_value_offs,
-                                   EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
-                       problem = PR_1_INODE_EA_ALLOC_COLLISION;
-                       goto fix;
-               }
+                       hash = ext2fs_ext_attr_hash_entry(entry,
+                                                         start + entry->e_value_offs);
 
-               hash = ext2fs_ext_attr_hash_entry(entry,
-                                                 start + entry->e_value_offs);
+                       /* e_hash may be 0 in older inode's ea */
+                       if (entry->e_hash != 0 && entry->e_hash != hash) {
+                               pctx->num = entry->e_hash;
+                               problem = PR_1_ATTR_HASH;
+                               goto fix;
+                       }
+               } else {
+                       blk64_t quota_blocks;
 
-               /* e_hash may be 0 in older inode's ea */
-               if (entry->e_hash != 0 && entry->e_hash != hash) {
-                       pctx->num = entry->e_hash;
-                       problem = PR_1_ATTR_HASH;
-                       goto fix;
+                       problem = check_large_ea_inode(ctx, entry, pctx,
+                                                      &quota_blocks);
+                       if (problem != 0)
+                               goto fix;
+
+                       ea_ibody_quota->blocks += quota_blocks;
+                       ea_ibody_quota->inodes++;
                }
 
-               remain -= entry->e_value_size;
+               /* If EA value is stored in external inode then it does not
+                * consume space here */
+               if (entry->e_value_inum == 0)
+                       remain -= entry->e_value_size;
 
                entry = EXT2_EXT_ATTR_NEXT(entry);
        }
@@ -439,17 +537,22 @@ fix:
         * it seems like a corruption. it's very unlikely we could repair
         * EA(s) in automatic fashion -bzzz
         */
-       if (problem == 0 || !fix_problem(ctx, problem, pctx))
+       if (problem == 0 || !fix_problem(ctx, problem, pctx)) {
+               inc_ea_inode_refs(ctx, pctx,
+                                 (struct ext2_ext_attr_entry *)start, end);
                return;
+       }
 
        /* simply remove all possible EA(s) */
        *((__u32 *)header) = 0UL;
        e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
                                EXT2_INODE_SIZE(sb), "pass1");
+       ea_ibody_quota->blocks = 0;
+       ea_ibody_quota->inodes = 0;
 }
 
 static int check_inode_extra_negative_epoch(__u32 xtime, __u32 extra) {
-       return (xtime & (1 << 31)) != 0 &&
+       return (xtime & (1U << 31)) != 0 &&
                (extra & EXT4_EPOCH_MASK) == EXT4_EPOCH_MASK;
 }
 
@@ -463,13 +566,17 @@ static int check_inode_extra_negative_epoch(__u32 xtime, __u32 extra) {
  */
 #define EXT4_EXTRA_NEGATIVE_DATE_CUTOFF 2 * (1LL << 32)
 
-static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
+static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx,
+                                   struct ea_quota *ea_ibody_quota)
 {
        struct ext2_super_block *sb = ctx->fs->super;
        struct ext2_inode_large *inode;
        __u32 *eamagic;
        int min, max;
 
+       ea_ibody_quota->blocks = 0;
+       ea_ibody_quota->inodes = 0;
+
        inode = (struct ext2_inode_large *) pctx->inode;
        if (EXT2_INODE_SIZE(sb) == EXT2_GOOD_OLD_INODE_SIZE) {
                /* this isn't large inode. so, nothing to check */
@@ -488,13 +595,16 @@ static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
         * implementations should never allow i_extra_isize to be 0
         */
        if (inode->i_extra_isize &&
-           (inode->i_extra_isize < min || inode->i_extra_isize > max)) {
+           (inode->i_extra_isize < min || inode->i_extra_isize > max ||
+            inode->i_extra_isize & 3)) {
                if (!fix_problem(ctx, PR_1_EXTRA_ISIZE, pctx))
                        return;
-               inode->i_extra_isize = min;
+               if (inode->i_extra_isize < min || inode->i_extra_isize > max)
+                       inode->i_extra_isize = sb->s_want_extra_isize;
+               else
+                       inode->i_extra_isize = (inode->i_extra_isize + 3) & ~3;
                e2fsck_write_inode_full(ctx, pctx->ino, pctx->inode,
                                        EXT2_INODE_SIZE(sb), "pass1");
-               return;
        }
 
        /* check if there is no place for an EA header */
@@ -505,14 +615,16 @@ static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
                        inode->i_extra_isize);
        if (*eamagic == EXT2_EXT_ATTR_MAGIC) {
                /* it seems inode has an extended attribute(s) in body */
-               check_ea_in_inode(ctx, pctx);
+               check_ea_in_inode(ctx, pctx, ea_ibody_quota);
        }
 
        /*
         * If the inode's extended atime (ctime, crtime, mtime) is stored in
         * the old, invalid format, repair it.
         */
-       if (sizeof(time_t) > 4 && ctx->now < EXT4_EXTRA_NEGATIVE_DATE_CUTOFF &&
+       if (((sizeof(time_t) <= 4) ||
+            (((sizeof(time_t) > 4) &&
+              ctx->now < EXT4_EXTRA_NEGATIVE_DATE_CUTOFF))) &&
            (CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, atime) ||
             CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, ctime) ||
             CHECK_INODE_EXTRA_NEGATIVE_EPOCH(inode, crtime) ||
@@ -695,10 +807,12 @@ isdir:
        }
 }
 
-void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
-                            ext2_icount_t *ret)
+extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
+                                    int flags, ext2_icount_t hint,
+                                    ext2_icount_t *ret)
 {
        unsigned int            threshold;
+       unsigned int            save_type;
        ext2_ino_t              num_dirs;
        errcode_t               retval;
        char                    *tdb_dir;
@@ -717,13 +831,20 @@ void e2fsck_setup_tdb_icount(e2fsck_t ctx, int flags,
        if (retval)
                num_dirs = 1024;        /* Guess */
 
-       if (!enable || !tdb_dir || access(tdb_dir, W_OK) ||
-           (threshold && num_dirs <= threshold))
-               return;
-
-       retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir, flags, ret);
-       if (retval)
-               *ret = 0;
+       if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
+           (!threshold || num_dirs > threshold)) {
+               retval = ext2fs_create_icount_tdb(ctx->fs, tdb_dir,
+                                                 flags, ret);
+               if (retval == 0)
+                       return 0;
+       }
+       e2fsck_set_bitmap_type(ctx->fs, EXT2FS_BMAP64_RBTREE, icount_name,
+                              &save_type);
+       if (ctx->options & E2F_OPT_ICOUNT_FULLMAP)
+               flags |= EXT2_ICOUNT_OPT_FULLMAP;
+       retval = ext2fs_create_icount2(ctx->fs, flags, 0, hint, ret);
+       ctx->fs->default_bitmap_type = save_type;
+       return retval;
 }
 
 static errcode_t recheck_bad_inode_checksum(ext2_filsys fs, ext2_ino_t ino,
@@ -1030,10 +1151,24 @@ static int quota_inum_is_reserved(ext2_filsys fs, ext2_ino_t ino)
        return 0;
 }
 
-void e2fsck_pass1(e2fsck_t ctx)
+static int e2fsck_should_abort(e2fsck_t ctx)
+{
+       e2fsck_t global_ctx;
+
+       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+               return 1;
+
+       if (ctx->global_ctx) {
+               global_ctx = ctx->global_ctx;
+               if (global_ctx->flags & E2F_FLAG_SIGNAL_MASK)
+                       return 1;
+       }
+       return 0;
+}
+
+void e2fsck_pass1_run(e2fsck_t ctx)
 {
        int     i;
-       __u64   max_sizes;
        ext2_filsys fs = ctx->fs;
        ext2_ino_t      ino = 0;
        struct ext2_inode *inode = NULL;
@@ -1047,13 +1182,17 @@ void e2fsck_pass1(e2fsck_t ctx)
        struct          scan_callback_struct scan_struct;
        struct ext2_super_block *sb = ctx->fs->super;
        const char      *old_op;
-       unsigned int    save_type;
-       int             imagic_fs, extent_fs, inlinedata_fs;
+       const char      *eop_next_inode = _("getting next inode from scan");
+       int             imagic_fs, extent_fs, inlinedata_fs, casefold_fs;
        int             low_dtime_check = 1;
-       int             inode_size = EXT2_INODE_SIZE(fs->super);
+       unsigned int    inode_size = EXT2_INODE_SIZE(fs->super);
+       unsigned int    bufsize;
        int             failed_csum = 0;
        ext2_ino_t      ino_threshold = 0;
        dgrp_t          ra_group = 0;
+       struct ea_quota ea_ibody_quota;
+       struct process_inode_block *inodes_to_process;
+       int             process_inode_count;
 
        init_resource_track(&rtrack, ctx->fs->io);
        clear_problem_context(&pctx);
@@ -1078,20 +1217,10 @@ void e2fsck_pass1(e2fsck_t ctx)
        mtrace_print("Pass 1");
 #endif
 
-#define EXT2_BPP(bits) (1ULL << ((bits) - 2))
-
-       for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
-               max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
-               max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
-               max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
-               max_sizes = (max_sizes * (1UL << i));
-               ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
-       }
-#undef EXT2_BPP
-
        imagic_fs = ext2fs_has_feature_imagic_inodes(sb);
        extent_fs = ext2fs_has_feature_extents(sb);
        inlinedata_fs = ext2fs_has_feature_inline_data(sb);
+       casefold_fs = ext2fs_has_feature_casefold(sb);
 
        /*
         * Allocate bitmaps structures
@@ -1108,6 +1237,7 @@ void e2fsck_pass1(e2fsck_t ctx)
        }
        pctx.errcode = e2fsck_allocate_inode_bitmap(fs,
                        _("directory inode map"),
+                       ctx->global_ctx ? EXT2FS_BMAP64_RBTREE :
                        EXT2FS_BMAP64_AUTODIR,
                        "inode_dir_map", &ctx->inode_dir_map);
        if (pctx.errcode) {
@@ -1143,22 +1273,32 @@ void e2fsck_pass1(e2fsck_t ctx)
                ctx->flags |= E2F_FLAG_ABORT;
                return;
        }
-       e2fsck_setup_tdb_icount(ctx, 0, &ctx->inode_link_info);
-       if (!ctx->inode_link_info) {
-               e2fsck_set_bitmap_type(fs, EXT2FS_BMAP64_RBTREE,
-                                      "inode_link_info", &save_type);
-               pctx.errcode = ext2fs_create_icount2(fs, 0, 0, 0,
-                                                    &ctx->inode_link_info);
-               fs->default_bitmap_type = save_type;
+       if (casefold_fs) {
+               pctx.errcode =
+                       e2fsck_allocate_inode_bitmap(fs,
+                                                    _("inode casefold map"),
+                                                    EXT2FS_BMAP64_RBTREE,
+                                                    "inode_casefold_map",
+                                                    &ctx->inode_casefold_map);
+               if (pctx.errcode) {
+                       pctx.num = 1;
+                       fix_problem(ctx, PR_1_ALLOCATE_IBITMAP_ERROR, &pctx);
+                       ctx->flags |= E2F_FLAG_ABORT;
+                       return;
+               }
        }
-
+       pctx.errcode = e2fsck_setup_icount(ctx, "inode_link_info", 0, NULL,
+                                          &ctx->inode_link_info);
        if (pctx.errcode) {
                fix_problem(ctx, PR_1_ALLOCATE_ICOUNT, &pctx);
                ctx->flags |= E2F_FLAG_ABORT;
                return;
        }
+       bufsize = inode_size;
+       if (bufsize < sizeof(struct ext2_inode_large))
+               bufsize = sizeof(struct ext2_inode_large);
        inode = (struct ext2_inode *)
-               e2fsck_allocate_memory(ctx, inode_size, "scratch inode");
+               e2fsck_allocate_memory(ctx, bufsize, "scratch inode");
 
        inodes_to_process = (struct process_inode_block *)
                e2fsck_allocate_memory(ctx,
@@ -1215,12 +1355,16 @@ void e2fsck_pass1(e2fsck_t ctx)
        ctx->stashed_inode = inode;
        scan_struct.ctx = ctx;
        scan_struct.block_buf = block_buf;
+       scan_struct.inodes_to_process = inodes_to_process;
+       scan_struct.process_inode_count = &process_inode_count;
        ext2fs_set_inode_callback(scan, scan_callback, &scan_struct);
        if (ctx->progress && ((ctx->progress)(ctx, 1, 0,
                                              ctx->fs->group_desc_count)))
                goto endit;
-       if ((fs->super->s_wtime < fs->super->s_inodes_count) ||
-           (fs->super->s_mtime < fs->super->s_inodes_count) ||
+       if ((fs->super->s_wtime &&
+            fs->super->s_wtime < fs->super->s_inodes_count) ||
+           (fs->super->s_mtime &&
+            fs->super->s_mtime < fs->super->s_inodes_count) ||
            (fs->super->s_mkfs_time &&
             fs->super->s_mkfs_time < fs->super->s_inodes_count))
                low_dtime_check = 0;
@@ -1234,18 +1378,35 @@ void e2fsck_pass1(e2fsck_t ctx)
        /* Set up ctx->lost_and_found if possible */
        (void) e2fsck_get_lost_and_found(ctx, 0);
 
+#ifdef HAVE_PTHREAD
+       if (ctx->global_ctx) {
+               if (ctx->options & E2F_OPT_DEBUG &&
+                   ctx->options & E2F_OPT_MULTITHREAD)
+                       fprintf(stderr, "thread %d jumping to group %d\n",
+                                       ctx->thread_info.et_thread_index,
+                                       ctx->thread_info.et_group_start);
+               pctx.errcode = ext2fs_inode_scan_goto_blockgroup(scan,
+                                       ctx->thread_info.et_group_start);
+               if (pctx.errcode) {
+                       fix_problem(ctx, PR_1_PASS_HEADER, &pctx);
+                       ctx->flags |= E2F_FLAG_ABORT;
+                       goto endit;
+               }
+       }
+#endif
+
        while (1) {
                if (ino % (fs->super->s_inodes_per_group * 4) == 1) {
                        if (e2fsck_mmp_update(fs))
                                fatal_error(ctx, 0);
                }
-               old_op = ehandler_operation(_("getting next inode from scan"));
+               old_op = ehandler_operation(eop_next_inode);
                pctx.errcode = ext2fs_get_next_inode_full(scan, &ino,
                                                          inode, inode_size);
                if (ino > ino_threshold)
                        pass1_readahead(ctx, &ra_group, &ino_threshold);
                ehandler_operation(old_op);
-               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+               if (e2fsck_should_abort(ctx))
                        goto endit;
                if (pctx.errcode == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE) {
                        /*
@@ -1267,17 +1428,9 @@ void e2fsck_pass1(e2fsck_t ctx)
                                        fix_problem(ctx, PR_1_ISCAN_ERROR,
                                                    &pctx);
                                        ctx->flags |= E2F_FLAG_ABORT;
-                                       goto endit;
-                               }
-                               err = ext2fs_inode_scan_goto_blockgroup(scan,
-                                                                       0);
-                               if (err) {
-                                       fix_problem(ctx, PR_1_ISCAN_ERROR,
-                                                   &pctx);
-                                       ctx->flags |= E2F_FLAG_ABORT;
-                                       goto endit;
-                               }
-                               continue;
+                               } else
+                                       ctx->flags |= E2F_FLAG_RESTART;
+                               goto endit;
                        }
                        if (!ctx->inode_bb_map)
                                alloc_bb_map(ctx);
@@ -1285,6 +1438,8 @@ void e2fsck_pass1(e2fsck_t ctx)
                        ext2fs_mark_inode_bitmap2(ctx->inode_used_map, ino);
                        continue;
                }
+               if (pctx.errcode == EXT2_ET_SCAN_FINISHED)
+                       break;
                if (pctx.errcode &&
                    pctx.errcode != EXT2_ET_INODE_CSUM_INVALID &&
                    pctx.errcode != EXT2_ET_INODE_IS_GARBAGE) {
@@ -1294,6 +1449,10 @@ void e2fsck_pass1(e2fsck_t ctx)
                }
                if (!ino)
                        break;
+#ifdef HAVE_PTHREAD
+               if (ctx->global_ctx)
+                       ctx->thread_info.et_inode_number++;
+#endif
                pctx.ino = ino;
                pctx.inode = inode;
                ctx->stashed_ino = ino;
@@ -1307,6 +1466,34 @@ void e2fsck_pass1(e2fsck_t ctx)
                }
                failed_csum = pctx.errcode != 0;
 
+               /*
+                * Check for inodes who might have been part of the
+                * orphaned list linked list.  They should have gotten
+                * dealt with by now, unless the list had somehow been
+                * corrupted.
+                *
+                * FIXME: In the future, inodes which are still in use
+                * (and which are therefore) pending truncation should
+                * be handled specially.  Right now we just clear the
+                * dtime field, and the normal e2fsck handling of
+                * inodes where i_size and the inode blocks are
+                * inconsistent is to fix i_size, instead of releasing
+                * the extra blocks.  This won't catch the inodes that
+                * was at the end of the orphan list, but it's better
+                * than nothing.  The right answer is that there
+                * shouldn't be any bugs in the orphan list handling.  :-)
+                */
+               if (inode->i_dtime && low_dtime_check &&
+                   inode->i_dtime < ctx->fs->super->s_inodes_count) {
+                       if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
+                               inode->i_dtime = inode->i_links_count ?
+                                       0 : ctx->now;
+                               e2fsck_write_inode(ctx, ino, inode,
+                                                  "pass1");
+                               failed_csum = 0;
+                       }
+               }
+
                if (inode->i_links_count) {
                        pctx.errcode = ext2fs_icount_store(ctx->inode_link_info,
                                           ino, inode->i_links_count);
@@ -1316,6 +1503,28 @@ void e2fsck_pass1(e2fsck_t ctx)
                                ctx->flags |= E2F_FLAG_ABORT;
                                goto endit;
                        }
+               } else if ((ino >= EXT2_FIRST_INODE(fs->super)) &&
+                          !quota_inum_is_reserved(fs, ino)) {
+                       if (!inode->i_dtime && inode->i_mode) {
+                               if (fix_problem(ctx,
+                                           PR_1_ZERO_DTIME, &pctx)) {
+                                       inode->i_dtime = ctx->now;
+                                       e2fsck_write_inode(ctx, ino, inode,
+                                                          "pass1");
+                                       failed_csum = 0;
+                               }
+                       }
+                       FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+                       continue;
+               }
+
+               if ((inode->i_flags & EXT4_CASEFOLD_FL) &&
+                   ((!LINUX_S_ISDIR(inode->i_mode) &&
+                     fix_problem(ctx, PR_1_CASEFOLD_NONDIR, &pctx)) ||
+                    (!casefold_fs &&
+                     fix_problem(ctx, PR_1_CASEFOLD_FEATURE, &pctx)))) {
+                       inode->i_flags &= ~EXT4_CASEFOLD_FL;
+                       e2fsck_write_inode(ctx, ino, inode, "pass1");
                }
 
                /* Conflicting inlinedata/extents inode flags? */
@@ -1335,8 +1544,8 @@ void e2fsck_pass1(e2fsck_t ctx)
                    (ino >= EXT2_FIRST_INODE(fs->super))) {
                        size_t size = 0;
 
-                       pctx.errcode = ext2fs_inline_data_size(fs, ino, &size);
-                       if (!pctx.errcode && size &&
+                       pctx.errcode = get_inline_data_ea_size(fs, ino, &size);
+                       if (!pctx.errcode &&
                            fix_problem(ctx, PR_1_INLINE_DATA_FEATURE, &pctx)) {
                                ext2fs_set_feature_inline_data(sb);
                                ext2fs_mark_super_dirty(fs);
@@ -1350,7 +1559,6 @@ void e2fsck_pass1(e2fsck_t ctx)
 
                /* Test for inline data flag but no attr */
                if ((inode->i_flags & EXT4_INLINE_DATA_FL) && inlinedata_fs &&
-                   EXT2_I_SIZE(inode) > EXT4_MIN_INLINE_DATA_SIZE &&
                    (ino >= EXT2_FIRST_INODE(fs->super))) {
                        size_t size = 0;
                        errcode_t err;
@@ -1381,18 +1589,19 @@ void e2fsck_pass1(e2fsck_t ctx)
                        case EXT2_ET_NO_INLINE_DATA:
                        case EXT2_ET_EXT_ATTR_CSUM_INVALID:
                        case EXT2_ET_EA_BAD_VALUE_OFFSET:
+                       case EXT2_ET_EA_INODE_CORRUPTED:
                                /* broken EA or no system.data EA; truncate */
                                if (fix_problem(ctx, PR_1_INLINE_DATA_NO_ATTR,
                                                &pctx)) {
-                                       err = ext2fs_inode_size_set(fs, inode,
-                                                       sizeof(inode->i_block));
+                                       err = ext2fs_inode_size_set(fs, inode, 0);
                                        if (err) {
                                                pctx.errcode = err;
                                                ctx->flags |= E2F_FLAG_ABORT;
                                                goto endit;
                                        }
-                                       if (LINUX_S_ISLNK(inode->i_mode))
-                                               inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+                                       inode->i_flags &= ~EXT4_INLINE_DATA_FL;
+                                       memset(&inode->i_block, 0,
+                                              sizeof(inode->i_block));
                                        e2fsck_write_inode(ctx, ino, inode,
                                                           "pass1");
                                        failed_csum = 0;
@@ -1529,7 +1738,7 @@ void e2fsck_pass1(e2fsck_t ctx)
                        /*
                         * Make sure the root inode is a directory; if
                         * not, offer to clear it.  It will be
-                        * regnerated in pass #3.
+                        * regenerated in pass #3.
                         */
                        if (!LINUX_S_ISDIR(inode->i_mode)) {
                                if (fix_problem(ctx, PR_1_ROOT_NO_DIR, &pctx))
@@ -1563,7 +1772,7 @@ void e2fsck_pass1(e2fsck_t ctx)
                                                           "pass1");
                                        failed_csum = 0;
                                }
-                               check_blocks(ctx, &pctx, block_buf);
+                               check_blocks(ctx, &pctx, block_buf, NULL);
                                FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                                continue;
                        }
@@ -1590,7 +1799,7 @@ void e2fsck_pass1(e2fsck_t ctx)
                                                        "pass1");
                                        failed_csum = 0;
                                }
-                               check_blocks(ctx, &pctx, block_buf);
+                               check_blocks(ctx, &pctx, block_buf, NULL);
                                FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                                continue;
                        }
@@ -1628,53 +1837,12 @@ void e2fsck_pass1(e2fsck_t ctx)
                                        failed_csum = 0;
                                }
                        }
-                       check_blocks(ctx, &pctx, block_buf);
+                       check_blocks(ctx, &pctx, block_buf, NULL);
                        FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                        continue;
                }
 
-               /*
-                * Check for inodes who might have been part of the
-                * orphaned list linked list.  They should have gotten
-                * dealt with by now, unless the list had somehow been
-                * corrupted.
-                *
-                * FIXME: In the future, inodes which are still in use
-                * (and which are therefore) pending truncation should
-                * be handled specially.  Right now we just clear the
-                * dtime field, and the normal e2fsck handling of
-                * inodes where i_size and the inode blocks are
-                * inconsistent is to fix i_size, instead of releasing
-                * the extra blocks.  This won't catch the inodes that
-                * was at the end of the orphan list, but it's better
-                * than nothing.  The right answer is that there
-                * shouldn't be any bugs in the orphan list handling.  :-)
-                */
-               if (inode->i_dtime && low_dtime_check &&
-                   inode->i_dtime < ctx->fs->super->s_inodes_count) {
-                       if (fix_problem(ctx, PR_1_LOW_DTIME, &pctx)) {
-                               inode->i_dtime = inode->i_links_count ?
-                                       0 : ctx->now;
-                               e2fsck_write_inode(ctx, ino, inode,
-                                                  "pass1");
-                               failed_csum = 0;
-                       }
-               }
-
-               /*
-                * This code assumes that deleted inodes have
-                * i_links_count set to 0.
-                */
                if (!inode->i_links_count) {
-                       if (!inode->i_dtime && inode->i_mode) {
-                               if (fix_problem(ctx,
-                                           PR_1_ZERO_DTIME, &pctx)) {
-                                       inode->i_dtime = ctx->now;
-                                       e2fsck_write_inode(ctx, ino, inode,
-                                                          "pass1");
-                                       failed_csum = 0;
-                               }
-                       }
                        FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                        continue;
                }
@@ -1707,13 +1875,14 @@ void e2fsck_pass1(e2fsck_t ctx)
                }
 
                if (inode->i_faddr || frag || fsize ||
-                   (LINUX_S_ISDIR(inode->i_mode) && inode->i_dir_acl))
+                   (!ext2fs_has_feature_largedir(fs->super) &&
+                   (LINUX_S_ISDIR(inode->i_mode) && inode->i_size_high)))
                        mark_inode_bad(ctx, ino);
-               if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+               if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
                    !ext2fs_has_feature_64bit(fs->super) &&
                    inode->osd2.linux2.l_i_file_acl_high != 0)
                        mark_inode_bad(ctx, ino);
-               if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+               if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
                    !ext2fs_has_feature_huge_file(fs->super) &&
                    (inode->osd2.linux2.l_i_blocks_hi != 0))
                        mark_inode_bad(ctx, ino);
@@ -1733,7 +1902,7 @@ void e2fsck_pass1(e2fsck_t ctx)
                        }
                }
 
-               check_inode_extra_space(ctx, &pctx);
+               check_inode_extra_space(ctx, &pctx, &ea_ibody_quota);
                check_is_really_dir(ctx, &pctx, block_buf);
 
                /*
@@ -1749,12 +1918,19 @@ void e2fsck_pass1(e2fsck_t ctx)
                        failed_csum = 0;
                }
 
+               if ((inode->i_flags & EXT4_ENCRYPT_FL) &&
+                   add_encrypted_file(ctx, &pctx) < 0)
+                       goto clear_inode;
+
+               if (casefold_fs && inode->i_flags & EXT4_CASEFOLD_FL)
+                       ext2fs_mark_inode_bitmap2(ctx->inode_casefold_map, ino);
+
                if (LINUX_S_ISDIR(inode->i_mode)) {
                        ext2fs_mark_inode_bitmap2(ctx->inode_dir_map, ino);
                        e2fsck_add_dir_info(ctx, ino, 0);
                        ctx->fs_directory_count++;
-                       if (inode->i_flags & EXT4_ENCRYPT_FL)
-                               add_encrypted_dir(ctx, ino);
+                       if (inode->i_flags & EXT4_CASEFOLD_FL)
+                               add_casefolded_dir(ctx, ino);
                } else if (LINUX_S_ISREG (inode->i_mode)) {
                        ext2fs_mark_inode_bitmap2(ctx->inode_reg_map, ino);
                        ctx->fs_regular_count++;
@@ -1778,9 +1954,10 @@ void e2fsck_pass1(e2fsck_t ctx)
                        if (inode->i_flags & EXT4_INLINE_DATA_FL) {
                                FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                                continue;
-                       } else if (ext2fs_inode_data_blocks(fs, inode) == 0) {
+                       } else if (ext2fs_is_fast_symlink(inode)) {
                                ctx->fs_fast_symlinks_count++;
-                               check_blocks(ctx, &pctx, block_buf);
+                               check_blocks(ctx, &pctx, block_buf,
+                                            &ea_ibody_quota);
                                FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
                                continue;
                        }
@@ -1814,121 +1991,976 @@ void e2fsck_pass1(e2fsck_t ctx)
                     inode->i_block[EXT2_DIND_BLOCK] ||
                     inode->i_block[EXT2_TIND_BLOCK] ||
                     ext2fs_file_acl_block(fs, inode))) {
-                       inodes_to_process[process_inode_count].ino = ino;
-                       inodes_to_process[process_inode_count].inode =
-                                      *(struct ext2_inode_large *)inode;
+                       struct process_inode_block *itp;
+
+                       itp = &inodes_to_process[process_inode_count];
+                       itp->ino = ino;
+                       itp->ea_ibody_quota = ea_ibody_quota;
+                       if (inode_size < sizeof(struct ext2_inode_large))
+                               memcpy(&itp->inode, inode, inode_size);
+                       else
+                               memcpy(&itp->inode, inode, sizeof(itp->inode));
                        process_inode_count++;
                } else
-                       check_blocks(ctx, &pctx, block_buf);
+                       check_blocks(ctx, &pctx, block_buf, &ea_ibody_quota);
+
+               FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+
+               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+                       goto endit;
+
+               if (process_inode_count >= ctx->process_inode_size) {
+                       process_inodes(ctx, block_buf, inodes_to_process,
+                                      &process_inode_count);
+
+                       if (e2fsck_should_abort(ctx))
+                               goto endit;
+               }
+       }
+       process_inodes(ctx, block_buf, inodes_to_process,
+                      &process_inode_count);
+       ext2fs_close_inode_scan(scan);
+       scan = NULL;
+
+       reserve_block_for_root_repair(ctx);
+       reserve_block_for_lnf_repair(ctx);
+
+       /*
+        * If any extended attribute blocks' reference counts need to
+        * be adjusted, either up (ctx->refcount_extra), or down
+        * (ctx->refcount), then fix them.
+        */
+       if (ctx->refcount) {
+               adjust_extattr_refcount(ctx, ctx->refcount, block_buf, -1);
+               ea_refcount_free(ctx->refcount);
+               ctx->refcount = 0;
+       }
+       if (ctx->refcount_extra) {
+               adjust_extattr_refcount(ctx, ctx->refcount_extra,
+                                       block_buf, +1);
+               ea_refcount_free(ctx->refcount_extra);
+               ctx->refcount_extra = 0;
+       }
+
+       if (ctx->ea_block_quota_blocks) {
+               ea_refcount_free(ctx->ea_block_quota_blocks);
+               ctx->ea_block_quota_blocks = 0;
+       }
+
+       if (ctx->ea_block_quota_inodes) {
+               ea_refcount_free(ctx->ea_block_quota_inodes);
+               ctx->ea_block_quota_inodes = 0;
+       }
+
+       if (ctx->invalid_bitmaps)
+               handle_fs_bad_blocks(ctx);
+
+       /* We don't need the block_ea_map any more */
+       if (ctx->block_ea_map) {
+               ext2fs_free_block_bitmap(ctx->block_ea_map);
+               ctx->block_ea_map = 0;
+       }
+
+       /* We don't need the encryption policy => ID map any more */
+       destroy_encryption_policy_map(ctx);
+
+       if (ctx->flags & E2F_FLAG_RESIZE_INODE) {
+               clear_problem_context(&pctx);
+               pctx.errcode = ext2fs_create_resize_inode(fs);
+               if (pctx.errcode) {
+                       if (!fix_problem(ctx, PR_1_RESIZE_INODE_CREATE,
+                                        &pctx)) {
+                               ctx->flags |= E2F_FLAG_ABORT;
+                               goto endit;
+                       }
+                       pctx.errcode = 0;
+               }
+               if (!pctx.errcode) {
+                       e2fsck_read_inode(ctx, EXT2_RESIZE_INO, inode,
+                                         "recreate inode");
+                       inode->i_mtime = ctx->now;
+                       e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode,
+                                          "recreate inode");
+               }
+               ctx->flags &= ~E2F_FLAG_RESIZE_INODE;
+       }
+
+       if (ctx->flags & E2F_FLAG_RESTART) {
+               /*
+                * Only the master copy of the superblock and block
+                * group descriptors are going to be written during a
+                * restart, so set the superblock to be used to be the
+                * master superblock.
+                */
+               ctx->use_superblock = 0;
+               goto endit;
+       }
+
+       if (ctx->large_dirs && !ext2fs_has_feature_largedir(fs->super)) {
+               if (fix_problem(ctx, PR_2_FEATURE_LARGE_DIRS, &pctx)) {
+                       ext2fs_set_feature_largedir(fs->super);
+                       fs->flags &= ~EXT2_FLAG_MASTER_SB_ONLY;
+                       ext2fs_mark_super_dirty(fs);
+               }
+               if (fs->super->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);
+               }
+       }
+
+       if (ctx->block_dup_map) {
+               if (ctx->options & E2F_OPT_PREEN) {
+                       clear_problem_context(&pctx);
+                       fix_problem(ctx, PR_1_DUP_BLOCKS_PREENSTOP, &pctx);
+               }
+               e2fsck_pass1_dupblocks(ctx, block_buf);
+       }
+       ctx->flags |= E2F_FLAG_ALLOC_OK;
+endit:
+       e2fsck_use_inode_shortcuts(ctx, 0);
+       ext2fs_free_mem(&inodes_to_process);
+       inodes_to_process = 0;
+
+       if (scan)
+               ext2fs_close_inode_scan(scan);
+       if (block_buf)
+               ext2fs_free_mem(&block_buf);
+       if (inode)
+               ext2fs_free_mem(&inode);
+
+       /*
+        * The l+f inode may have been cleared, so zap it now and
+        * later passes will recalculate it if necessary
+        */
+       ctx->lost_and_found = 0;
+
+       if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
+               print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
+       else
+               ctx->invalid_bitmaps++;
+}
+
+static void init_ext2_max_sizes()
+{
+       int     i;
+       __u64   max_sizes;
+
+       /*
+        * Init ext2_max_sizes which will be immutable and shared between
+        * threads
+        */
+#define EXT2_BPP(bits) (1ULL << ((bits) - 2))
+
+       for (i = EXT2_MIN_BLOCK_LOG_SIZE; i <= EXT2_MAX_BLOCK_LOG_SIZE; i++) {
+               max_sizes = EXT2_NDIR_BLOCKS + EXT2_BPP(i);
+               max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i);
+               max_sizes = max_sizes + EXT2_BPP(i) * EXT2_BPP(i) * EXT2_BPP(i);
+               max_sizes = (max_sizes * (1UL << i));
+               ext2_max_sizes[i - EXT2_MIN_BLOCK_LOG_SIZE] = max_sizes;
+       }
+#undef EXT2_BPP
+}
+
+#ifdef HAVE_PTHREAD
+static errcode_t e2fsck_pass1_copy_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
+                                         ext2fs_generic_bitmap *dest)
+{
+       errcode_t ret;
+
+       ret = ext2fs_copy_bitmap(*src, dest);
+       if (ret)
+               return ret;
+
+       (*dest)->fs = fs;
+
+       return 0;
+}
+
+static void e2fsck_pass1_free_bitmap(ext2fs_generic_bitmap *bitmap)
+{
+       if (*bitmap) {
+               ext2fs_free_generic_bmap(*bitmap);
+               *bitmap = NULL;
+       }
+
+}
+
+static errcode_t e2fsck_pass1_merge_bitmap(ext2_filsys fs, ext2fs_generic_bitmap *src,
+                                         ext2fs_generic_bitmap *dest)
+{
+       errcode_t ret = 0;
+
+       if (*src) {
+               if (*dest == NULL) {
+                       *dest = *src;
+                       *src = NULL;
+               } else {
+                       ret = ext2fs_merge_bitmap(*src, *dest, NULL, NULL);
+                       if (ret)
+                               return ret;
+               }
+               (*dest)->fs = fs;
+       }
+
+       return 0;
+}
+
+static errcode_t e2fsck_pass1_copy_fs(ext2_filsys dest, e2fsck_t src_context,
+                                     ext2_filsys src)
+{
+       errcode_t       retval;
+
+       memcpy(dest, src, sizeof(struct struct_ext2_filsys));
+       dest->inode_map = NULL;
+       dest->block_map = NULL;
+       dest->badblocks = NULL;
+       if (dest->dblist)
+               dest->dblist->fs = dest;
+       if (src->block_map) {
+               retval = e2fsck_pass1_copy_bitmap(dest, &src->block_map,
+                                                 &dest->block_map);
+               if (retval)
+                       return retval;
+       }
+       if (src->inode_map) {
+               retval = e2fsck_pass1_copy_bitmap(dest, &src->inode_map,
+                                                 &dest->inode_map);
+               if (retval)
+                       return retval;
+       }
+
+       if (src->badblocks) {
+               retval = ext2fs_badblocks_copy(src->badblocks,
+                                              &dest->badblocks);
+               if (retval)
+                       return retval;
+       }
+
+       /* disable it for now */
+       src_context->openfs_flags &= ~EXT2_FLAG_EXCLUSIVE;
+       retval = ext2fs_open_channel(dest, src_context->io_options,
+                                    src_context->io_manager,
+                                    src_context->openfs_flags,
+                                    src->io->block_size);
+       if (retval)
+               return retval;
+
+       /* Block size might not be default */
+       io_channel_set_blksize(dest->io, src->io->block_size);
+       ehandler_init(dest->io);
+
+       assert(dest->io->magic == src->io->magic);
+       assert(dest->io->manager == src->io->manager);
+       assert(strcmp(dest->io->name, src->io->name) == 0);
+       assert(dest->io->block_size == src->io->block_size);
+       assert(dest->io->read_error == src->io->read_error);
+       assert(dest->io->write_error == src->io->write_error);
+       assert(dest->io->refcount == src->io->refcount);
+       assert(dest->io->flags == src->io->flags);
+       assert(dest->io->app_data == dest);
+       assert(src->io->app_data == src);
+       assert(dest->io->align == src->io->align);
+
+       /* The data should be written to disk immediately */
+       dest->io->flags |= CHANNEL_FLAGS_WRITETHROUGH;
+       /* icache will be rebuilt if needed, so do not copy from @src */
+       src->icache = NULL;
+       return 0;
+}
+
+static int e2fsck_pass1_merge_fs(ext2_filsys dest, ext2_filsys src)
+{
+       struct ext2_inode_cache *icache = dest->icache;
+       errcode_t retval = 0;
+       io_channel dest_io;
+       io_channel dest_image_io;
+       ext2fs_inode_bitmap inode_map;
+       ext2fs_block_bitmap block_map;
+       ext2_badblocks_list badblocks;
+       ext2_dblist dblist;
+       int flags;
+
+       dest_io = dest->io;
+       dest_image_io = dest->image_io;
+       inode_map = dest->inode_map;
+       block_map = dest->block_map;
+       badblocks = dest->badblocks;
+       dblist = dest->dblist;
+       flags = dest->flags;
+
+       memcpy(dest, src, sizeof(struct struct_ext2_filsys));
+       dest->io = dest_io;
+       dest->image_io = dest_image_io;
+       dest->icache = icache;
+       dest->inode_map = inode_map;
+       dest->block_map = block_map;
+       dest->badblocks = badblocks;
+       dest->dblist = dblist;
+       if (dest->dblist)
+               dest->dblist->fs = dest;
+       dest->flags = src->flags | flags;
+       if (!(src->flags & EXT2_FLAG_VALID) || !(flags & EXT2_FLAG_VALID))
+               ext2fs_unmark_valid(dest);
+
+       if (src->icache) {
+               ext2fs_free_inode_cache(src->icache);
+               src->icache = NULL;
+       }
+
+       retval = e2fsck_pass1_merge_bitmap(dest, &src->inode_map,
+                                          &dest->inode_map);
+       if (retval)
+               goto out;
+
+       retval = e2fsck_pass1_merge_bitmap(dest, &src->block_map,
+                                         &dest->block_map);
+       if (retval)
+               goto out;
+
+       if (src->dblist) {
+               if (dest->dblist) {
+                       retval = ext2fs_merge_dblist(src->dblist,
+                                                    dest->dblist);
+                       if (retval)
+                               goto out;
+               } else {
+                       dest->dblist = src->dblist;
+                       dest->dblist->fs = dest;
+                       src->dblist = NULL;
+               }
+       }
+
+       if (src->badblocks) {
+               if (dest->badblocks == NULL)
+                       retval = ext2fs_badblocks_copy(src->badblocks,
+                                                      &dest->badblocks);
+               else
+                       retval = ext2fs_badblocks_merge(src->badblocks,
+                                                       dest->badblocks);
+       }
+out:
+       io_channel_close(src->io);
+       if (src->inode_map)
+               ext2fs_free_generic_bmap(src->inode_map);
+       if (src->block_map)
+               ext2fs_free_generic_bmap(src->block_map);
+       if (src->badblocks)
+               ext2fs_badblocks_list_free(src->badblocks);
+       if (src->dblist)
+               ext2fs_free_dblist(src->dblist);
+
+       return retval;
+}
+
+static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thread_ctx,
+                                            int thread_index, int num_threads)
+{
+       errcode_t               retval;
+       e2fsck_t                thread_context;
+       ext2_filsys             thread_fs;
+       ext2_filsys             global_fs = global_ctx->fs;
+       struct e2fsck_thread    *tinfo;
+       dgrp_t                  average_group;
+
+       assert(global_ctx->inode_used_map == NULL);
+       assert(global_ctx->inode_dir_map == NULL);
+       assert(global_ctx->inode_bb_map == NULL);
+       assert(global_ctx->inode_imagic_map == NULL);
+       assert(global_ctx->inode_reg_map == NULL);
+       assert(global_ctx->inodes_to_rebuild == NULL);
+
+       assert(global_ctx->block_found_map == NULL);
+       assert(global_ctx->block_dup_map == NULL);
+       assert(global_ctx->block_ea_map == NULL);
+       assert(global_ctx->block_metadata_map == NULL);
+       assert(global_ctx->fs->dblist == NULL);
+
+       retval = ext2fs_get_mem(sizeof(struct e2fsck_struct), &thread_context);
+       if (retval) {
+               com_err(global_ctx->program_name, retval, "while allocating memory");
+               return retval;
+       }
+       memcpy(thread_context, global_ctx, sizeof(struct e2fsck_struct));
+       thread_context->global_ctx = global_ctx;
+
+       retval = ext2fs_get_mem(sizeof(struct struct_ext2_filsys), &thread_fs);
+       if (retval) {
+               com_err(global_ctx->program_name, retval, "while allocating memory");
+               goto out_context;
+       }
+
+       io_channel_flush_cleanup(global_fs->io);
+       retval = e2fsck_pass1_copy_fs(thread_fs, global_ctx, global_fs);
+       if (retval) {
+               com_err(global_ctx->program_name, retval, "while copying fs");
+               goto out_fs;
+       }
+       thread_fs->priv_data = thread_context;
+
+       thread_context->thread_info.et_thread_index = thread_index;
+       set_up_logging(thread_context);
+
+       /*
+        * Distribute work to multiple threads:
+        * Each thread work on fs->group_desc_count / nthread groups.
+        */
+       tinfo = &thread_context->thread_info;
+       average_group = thread_fs->group_desc_count / num_threads;
+       if (average_group == 0)
+               average_group = 1;
+       tinfo->et_group_start = average_group * thread_index;
+       if (thread_index == num_threads - 1)
+               tinfo->et_group_end = thread_fs->group_desc_count;
+       else
+               tinfo->et_group_end = average_group * (thread_index + 1);
+       tinfo->et_group_next = tinfo->et_group_start;
+       tinfo->et_inode_number = 0;
+       tinfo->et_log_buf[0] = '\0';
+       tinfo->et_log_length = 0;
+       if (thread_context->options & E2F_OPT_MULTITHREAD)
+               log_out(thread_context, _("Scan group range [%d, %d)\n"),
+                       tinfo->et_group_start, tinfo->et_group_end);
+       thread_context->fs = thread_fs;
+       *thread_ctx = thread_context;
+       return 0;
+out_fs:
+       ext2fs_free_mem(&thread_fs);
+out_context:
+       ext2fs_free_mem(&thread_context);
+       return retval;
+}
+
+static void e2fsck_pass1_merge_dir_info(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       if (thread_ctx->dir_info == NULL)
+               return;
+
+       if (global_ctx->dir_info == NULL) {
+               global_ctx->dir_info = thread_ctx->dir_info;
+               thread_ctx->dir_info = NULL;
+               return;
+       }
+
+       e2fsck_merge_dir_info(global_ctx, thread_ctx->dir_info,
+                             global_ctx->dir_info);
+}
+
+static void e2fsck_pass1_merge_dx_dir(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       if (thread_ctx->dx_dir_info == NULL)
+               return;
+
+       if (global_ctx->dx_dir_info == NULL) {
+               global_ctx->dx_dir_info = thread_ctx->dx_dir_info;
+               global_ctx->dx_dir_info_size = thread_ctx->dx_dir_info_size;
+               global_ctx->dx_dir_info_count = thread_ctx->dx_dir_info_count;
+               thread_ctx->dx_dir_info = NULL;
+               return;
+       }
+
+       e2fsck_merge_dx_dir(global_ctx, thread_ctx);
+}
+
+static inline errcode_t
+e2fsck_pass1_merge_icount(ext2_icount_t *dest_icount,
+                         ext2_icount_t *src_icount)
+{
+       if (*src_icount) {
+               if (*dest_icount == NULL) {
+                       *dest_icount = *src_icount;
+                       *src_icount = NULL;
+               } else {
+                       errcode_t ret;
+
+                       ret = ext2fs_icount_merge(*src_icount,
+                                                 *dest_icount);
+                       if (ret)
+                               return ret;
+               }
+       }
+
+       return 0;
+}
+
+static errcode_t e2fsck_pass1_merge_icounts(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       errcode_t ret;
+
+       ret = e2fsck_pass1_merge_icount(&global_ctx->inode_count,
+                                       &thread_ctx->inode_count);
+       if (ret)
+               return ret;
+       ret = e2fsck_pass1_merge_icount(&global_ctx->inode_link_info,
+                                       &thread_ctx->inode_link_info);
+
+       return ret;
+}
+
+static errcode_t e2fsck_pass1_merge_dirs_to_hash(e2fsck_t global_ctx,
+                                                e2fsck_t thread_ctx)
+{
+       errcode_t retval = 0;
+
+       if (!thread_ctx->dirs_to_hash)
+               return 0;
+
+       if (!global_ctx->dirs_to_hash)
+               retval = ext2fs_badblocks_copy(thread_ctx->dirs_to_hash,
+                                              &global_ctx->dirs_to_hash);
+       else
+               retval = ext2fs_badblocks_merge(thread_ctx->dirs_to_hash,
+                                               global_ctx->dirs_to_hash);
+
+       return retval;
+}
+
+
+static int e2fsck_pass1_thread_join_one(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       errcode_t        retval;
+       int              flags = global_ctx->flags;
+       ext2_filsys      thread_fs = thread_ctx->fs;
+       ext2_filsys      global_fs = global_ctx->fs;
+       FILE            *global_logf = global_ctx->logf;
+       FILE            *global_problem_logf = global_ctx->problem_logf;
+       ext2fs_inode_bitmap inode_bad_map = global_ctx->inode_bad_map;
+       struct dir_info_db *dir_info = global_ctx->dir_info;
+       struct dx_dir_info *dx_dir_info = global_ctx->dx_dir_info;
+       ext2fs_inode_bitmap inode_used_map = global_ctx->inode_used_map;
+       ext2fs_inode_bitmap inode_dir_map = global_ctx->inode_dir_map;
+       ext2fs_inode_bitmap inode_bb_map = global_ctx->inode_bb_map;
+       ext2fs_inode_bitmap inode_imagic_map = global_ctx->inode_imagic_map;
+       ext2fs_inode_bitmap inode_reg_map = global_ctx->inode_reg_map;
+       ext2fs_block_bitmap block_found_map = global_ctx->block_found_map;
+       ext2fs_block_bitmap block_dup_map = global_ctx->block_dup_map;
+       ext2fs_block_bitmap block_ea_map = global_ctx->block_ea_map;
+       ext2fs_block_bitmap block_metadata_map = global_ctx->block_metadata_map;
+       ext2fs_block_bitmap inodes_to_rebuild = global_ctx->inodes_to_rebuild;
+       ext2_icount_t inode_count = global_ctx->inode_count;
+       ext2_icount_t inode_link_info = global_ctx->inode_link_info;
+       __u32 fs_directory_count = global_ctx->fs_directory_count;
+       __u32 fs_regular_count = global_ctx->fs_regular_count;
+       __u32 fs_blockdev_count = global_ctx->fs_blockdev_count;
+       __u32 fs_chardev_count = global_ctx->fs_chardev_count;
+       __u32 fs_links_count = global_ctx->fs_links_count;
+       __u32 fs_symlinks_count = global_ctx->fs_symlinks_count;
+       __u32 fs_fast_symlinks_count = global_ctx->fs_fast_symlinks_count;
+       __u32 fs_fifo_count = global_ctx->fs_fifo_count;
+       __u32 fs_total_count = global_ctx->fs_total_count;
+       __u32 fs_badblocks_count = global_ctx->fs_badblocks_count;
+       __u32 fs_sockets_count = global_ctx->fs_sockets_count;
+       __u32 fs_ind_count = global_ctx->fs_ind_count;
+       __u32 fs_dind_count = global_ctx->fs_dind_count;
+       __u32 fs_tind_count = global_ctx->fs_tind_count;
+       __u32 fs_fragmented = global_ctx->fs_fragmented;
+       __u32 fs_fragmented_dir = global_ctx->fs_fragmented_dir;
+       __u32 large_files = global_ctx->large_files;
+       ext2_ino_t dx_dir_info_size = global_ctx->dx_dir_info_size;
+       ext2_ino_t dx_dir_info_count = global_ctx->dx_dir_info_count;
+       ext2_u32_list dirs_to_hash = global_ctx->dirs_to_hash;
+
+#ifdef HAVE_SETJMP_H
+       jmp_buf          old_jmp;
+
+       memcpy(old_jmp, global_ctx->abort_loc, sizeof(jmp_buf));
+#endif
+       memcpy(global_ctx, thread_ctx, sizeof(struct e2fsck_struct));
+#ifdef HAVE_SETJMP_H
+       memcpy(global_ctx->abort_loc, old_jmp, sizeof(jmp_buf));
+#endif
+
+       global_ctx->inode_used_map = inode_used_map;
+       global_ctx->inode_bad_map = inode_bad_map;
+       global_ctx->inode_dir_map = inode_dir_map;
+       global_ctx->inode_bb_map = inode_bb_map;
+       global_ctx->inode_imagic_map = inode_imagic_map;
+       global_ctx->inodes_to_rebuild = inodes_to_rebuild;
+       global_ctx->inode_reg_map = inode_reg_map;
+       global_ctx->block_found_map = block_found_map;
+       global_ctx->block_dup_map = block_dup_map;
+       global_ctx->block_ea_map = block_ea_map;
+       global_ctx->block_metadata_map = block_metadata_map;
+       global_ctx->dir_info = dir_info;
+       e2fsck_pass1_merge_dir_info(global_ctx, thread_ctx);
+       global_ctx->dx_dir_info = dx_dir_info;
+       global_ctx->dx_dir_info_count = dx_dir_info_count;
+       global_ctx->dx_dir_info_size = dx_dir_info_size;
+       e2fsck_pass1_merge_dx_dir(global_ctx, thread_ctx);
+       global_ctx->inode_count = inode_count;
+       global_ctx->inode_link_info = inode_link_info;
+       global_ctx->fs_directory_count += fs_directory_count;
+       global_ctx->fs_regular_count += fs_regular_count;
+       global_ctx->fs_blockdev_count += fs_blockdev_count;
+       global_ctx->fs_chardev_count += fs_chardev_count;
+       global_ctx->fs_links_count += fs_links_count;
+       global_ctx->fs_symlinks_count += fs_symlinks_count;
+       global_ctx->fs_fast_symlinks_count += fs_fast_symlinks_count;
+       global_ctx->fs_fifo_count += fs_fifo_count;
+       global_ctx->fs_total_count += fs_total_count;
+       global_ctx->fs_badblocks_count += fs_badblocks_count;
+       global_ctx->fs_sockets_count += fs_sockets_count;
+       global_ctx->fs_ind_count += fs_ind_count;
+       global_ctx->fs_dind_count += fs_dind_count;
+       global_ctx->fs_tind_count += fs_tind_count;
+       global_ctx->fs_fragmented += fs_fragmented;
+       global_ctx->fs_fragmented_dir += fs_fragmented_dir;
+       global_ctx->large_files += large_files;
+
+       /* Keep the global singal flags*/
+       global_ctx->flags |= (flags & E2F_FLAG_SIGNAL_MASK) |
+                            (global_ctx->flags & E2F_FLAG_SIGNAL_MASK);
+
+       retval = e2fsck_pass1_merge_fs(global_fs, thread_fs);
+       if (retval) {
+               com_err(global_ctx->program_name, 0, _("while merging fs\n"));
+               return retval;
+       }
+       global_fs->priv_data = global_ctx;
+       global_ctx->fs = global_fs;
+       global_ctx->logf = global_logf;
+       global_ctx->problem_logf = global_problem_logf;
+       global_ctx->global_ctx = NULL;
+       retval = e2fsck_pass1_merge_icounts(global_ctx, thread_ctx);
+       if (retval) {
+               com_err(global_ctx->program_name, 0,
+                       _("while merging icounts\n"));
+               return retval;
+       }
+
+       global_ctx->dirs_to_hash = dirs_to_hash;
+       retval = e2fsck_pass1_merge_dirs_to_hash(global_ctx, thread_ctx);
+       if (retval) {
+               com_err(global_ctx->program_name, 0,
+                       _("while merging dirs to hash\n"));
+               return retval;
+       }
+
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inode_used_map,
+                               &global_ctx->inode_used_map);
+       if (retval)
+               return retval;
+
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inode_bad_map,
+                               &global_ctx->inode_bad_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                                       &thread_ctx->inode_dir_map,
+                                       &global_ctx->inode_dir_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inode_bb_map,
+                               &global_ctx->inode_bb_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inode_imagic_map,
+                               &global_ctx->inode_imagic_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inode_reg_map,
+                               &global_ctx->inode_reg_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->inodes_to_rebuild,
+                               &global_ctx->inodes_to_rebuild);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->block_found_map,
+                               &global_ctx->block_found_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->block_dup_map,
+                               &global_ctx->block_dup_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->block_ea_map,
+                               &global_ctx->block_ea_map);
+       if (retval)
+               return retval;
+       retval = e2fsck_pass1_merge_bitmap(global_fs,
+                               &thread_ctx->block_metadata_map,
+                               &global_ctx->block_metadata_map);
+       if (retval)
+               return retval;
+
+       return 0;
+}
+
+static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       errcode_t       retval;
+
+       retval = e2fsck_pass1_thread_join_one(global_ctx, thread_ctx);
+       ext2fs_free_mem(&thread_ctx->fs);
+       if (thread_ctx->logf)
+               fclose(thread_ctx->logf);
+       if (thread_ctx->problem_logf) {
+               fputs("</problem_log>\n", thread_ctx->problem_logf);
+               fclose(thread_ctx->problem_logf);
+       }
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_used_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_bad_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_dir_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_bb_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_imagic_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inode_reg_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->inodes_to_rebuild);
+       e2fsck_pass1_free_bitmap(&thread_ctx->block_found_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->block_dup_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->block_ea_map);
+       e2fsck_pass1_free_bitmap(&thread_ctx->block_metadata_map);
+       e2fsck_free_dir_info(thread_ctx);
+       ext2fs_free_icount(thread_ctx->inode_count);
+       ext2fs_free_icount(thread_ctx->inode_link_info);
+       if (thread_ctx->dirs_to_hash)
+               ext2fs_badblocks_list_free(thread_ctx->dirs_to_hash);
+       ext2fs_free_mem(&thread_ctx);
+
+       return retval;
+}
 
-               FINISH_INODE_LOOP(ctx, ino, &pctx, failed_csum);
+static int e2fsck_pass1_threads_join(struct e2fsck_thread_info *infos,
+                                     int num_threads, e2fsck_t global_ctx)
+{
+       errcode_t                        rc;
+       errcode_t                        ret = 0;
+       int                              i;
+       struct e2fsck_thread_info       *pinfo;
 
-               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
-                       goto endit;
+       for (i = 0; i < num_threads; i++) {
+               pinfo = &infos[i];
 
-               if (process_inode_count >= ctx->process_inode_size) {
-                       process_inodes(ctx, block_buf);
+               if (!pinfo->eti_started)
+                       continue;
 
-                       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
-                               goto endit;
+               rc = pthread_join(pinfo->eti_thread_id, NULL);
+               if (rc) {
+                       com_err(global_ctx->program_name, rc,
+                               _("while joining thread\n"));
+                       if (ret == 0)
+                               ret = rc;
+               }
+               rc = e2fsck_pass1_thread_join(global_ctx, infos[i].eti_thread_ctx);
+               if (rc) {
+                       com_err(global_ctx->program_name, rc,
+                               _("while joining pass1 thread\n"));
+                       if (ret == 0)
+                               ret = rc;
                }
        }
-       process_inodes(ctx, block_buf);
-       ext2fs_close_inode_scan(scan);
-       scan = NULL;
+       free(infos);
 
-       reserve_block_for_root_repair(ctx);
-       reserve_block_for_lnf_repair(ctx);
+       return ret;
+}
+
+static void *e2fsck_pass1_thread(void *arg)
+{
+       struct e2fsck_thread_info       *info = arg;
+       e2fsck_t                         thread_ctx = info->eti_thread_ctx;
+#ifdef DEBUG_THREADS
+       struct e2fsck_thread_debug      *thread_debug = info->eti_debug;
+#endif
+
+#ifdef DEBUG_THREADS
+       pthread_mutex_lock(&thread_debug->etd_mutex);
+       while (info->eti_thread_index > thread_debug->etd_finished_threads) {
+               pthread_cond_wait(&thread_debug->etd_cond,
+                                 &thread_debug->etd_mutex);
+       }
+       pthread_mutex_unlock(&thread_debug->etd_mutex);
+#endif
 
+#ifdef HAVE_SETJMP_H
        /*
-        * If any extended attribute blocks' reference counts need to
-        * be adjusted, either up (ctx->refcount_extra), or down
-        * (ctx->refcount), then fix them.
+        * When fatal_error() happens, jump to here. The thread
+        * context's flags will be saved, but its abort_loc will
+        * be overwritten by original jump buffer for the later
+        * tests.
         */
-       if (ctx->refcount) {
-               adjust_extattr_refcount(ctx, ctx->refcount, block_buf, -1);
-               ea_refcount_free(ctx->refcount);
-               ctx->refcount = 0;
-       }
-       if (ctx->refcount_extra) {
-               adjust_extattr_refcount(ctx, ctx->refcount_extra,
-                                       block_buf, +1);
-               ea_refcount_free(ctx->refcount_extra);
-               ctx->refcount_extra = 0;
+       if (setjmp(thread_ctx->abort_loc)) {
+               thread_ctx->flags &= ~E2F_FLAG_SETJMP_OK;
+               goto out;
        }
+       thread_ctx->flags |= E2F_FLAG_SETJMP_OK;
+#endif
 
-       if (ctx->invalid_bitmaps)
-               handle_fs_bad_blocks(ctx);
+       e2fsck_pass1_run(thread_ctx);
 
-       /* We don't need the block_ea_map any more */
-       if (ctx->block_ea_map) {
-               ext2fs_free_block_bitmap(ctx->block_ea_map);
-               ctx->block_ea_map = 0;
+out:
+       if (thread_ctx->options & E2F_OPT_MULTITHREAD)
+               log_out(thread_ctx,
+                       _("Scanned group range [%lu, %lu), inodes %lu\n"),
+                       thread_ctx->thread_info.et_group_start,
+                       thread_ctx->thread_info.et_group_end,
+                       thread_ctx->thread_info.et_inode_number);
+
+#ifdef DEBUG_THREADS
+       pthread_mutex_lock(&thread_debug->etd_mutex);
+       thread_debug->etd_finished_threads++;
+       pthread_cond_broadcast(&thread_debug->etd_cond);
+       pthread_mutex_unlock(&thread_debug->etd_mutex);
+#endif
+
+       return NULL;
+}
+
+static int e2fsck_pass1_threads_start(struct e2fsck_thread_info **pinfo,
+                                     int num_threads, e2fsck_t global_ctx)
+{
+       struct e2fsck_thread_info       *infos;
+       pthread_attr_t                   attr;
+       errcode_t                        retval;
+       errcode_t                        ret;
+       struct e2fsck_thread_info       *tmp_pinfo;
+       int                              i;
+       e2fsck_t                         thread_ctx;
+#ifdef DEBUG_THREADS
+       struct e2fsck_thread_debug       thread_debug =
+               {PTHREAD_MUTEX_INITIALIZER, PTHREAD_COND_INITIALIZER, 0};
+
+       thread_debug.etd_finished_threads = 0;
+#endif
+
+       retval = pthread_attr_init(&attr);
+       if (retval) {
+               com_err(global_ctx->program_name, retval,
+                       _("while setting pthread attribute\n"));
+               return retval;
        }
 
-       if (ctx->flags & E2F_FLAG_RESIZE_INODE) {
-               clear_problem_context(&pctx);
-               pctx.errcode = ext2fs_create_resize_inode(fs);
-               if (pctx.errcode) {
-                       if (!fix_problem(ctx, PR_1_RESIZE_INODE_CREATE,
-                                        &pctx)) {
-                               ctx->flags |= E2F_FLAG_ABORT;
-                               goto endit;
-                       }
-                       pctx.errcode = 0;
+       infos = calloc(num_threads, sizeof(struct e2fsck_thread_info));
+       if (infos == NULL) {
+               retval = -ENOMEM;
+               com_err(global_ctx->program_name, retval,
+                       _("while allocating memory for threads\n"));
+               pthread_attr_destroy(&attr);
+               return retval;
+       }
+
+       for (i = 0; i < num_threads; i++) {
+               tmp_pinfo = &infos[i];
+               tmp_pinfo->eti_thread_index = i;
+#ifdef DEBUG_THREADS
+               tmp_pinfo->eti_debug = &thread_debug;
+#endif
+               retval = e2fsck_pass1_thread_prepare(global_ctx, &thread_ctx,
+                                                    i, num_threads);
+               if (retval) {
+                       com_err(global_ctx->program_name, retval,
+                               _("while preparing pass1 thread\n"));
+                       break;
                }
-               if (!pctx.errcode) {
-                       e2fsck_read_inode(ctx, EXT2_RESIZE_INO, inode,
-                                         "recreate inode");
-                       inode->i_mtime = ctx->now;
-                       e2fsck_write_inode(ctx, EXT2_RESIZE_INO, inode,
-                                          "recreate inode");
+               tmp_pinfo->eti_thread_ctx = thread_ctx;
+
+               retval = pthread_create(&tmp_pinfo->eti_thread_id, &attr,
+                                       &e2fsck_pass1_thread, tmp_pinfo);
+               if (retval) {
+                       com_err(global_ctx->program_name, retval,
+                               _("while creating thread\n"));
+                       e2fsck_pass1_thread_join(global_ctx, thread_ctx);
+                       break;
                }
-               ctx->flags &= ~E2F_FLAG_RESIZE_INODE;
+
+               tmp_pinfo->eti_started = 1;
        }
 
-       if (ctx->flags & E2F_FLAG_RESTART) {
-               /*
-                * Only the master copy of the superblock and block
-                * group descriptors are going to be written during a
-                * restart, so set the superblock to be used to be the
-                * master superblock.
-                */
-               ctx->use_superblock = 0;
-               unwind_pass1(fs);
-               goto endit;
+       /* destroy the thread attribute object, since it is no longer needed */
+       ret = pthread_attr_destroy(&attr);
+       if (ret) {
+               com_err(global_ctx->program_name, ret,
+                       _("while destroying thread attribute\n"));
+               if (retval == 0)
+                       retval = ret;
        }
 
-       if (ctx->block_dup_map) {
-               if (ctx->options & E2F_OPT_PREEN) {
-                       clear_problem_context(&pctx);
-                       fix_problem(ctx, PR_1_DUP_BLOCKS_PREENSTOP, &pctx);
-               }
-               e2fsck_pass1_dupblocks(ctx, block_buf);
+       if (retval) {
+               e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
+               return retval;
        }
-       ctx->flags |= E2F_FLAG_ALLOC_OK;
-       ext2fs_free_mem(&inodes_to_process);
-endit:
-       e2fsck_use_inode_shortcuts(ctx, 0);
+       *pinfo = infos;
+       return 0;
+}
 
-       if (scan)
-               ext2fs_close_inode_scan(scan);
-       if (block_buf)
-               ext2fs_free_mem(&block_buf);
-       if (inode)
-               ext2fs_free_mem(&inode);
+static void e2fsck_pass1_multithread(e2fsck_t global_ctx)
+{
+       struct e2fsck_thread_info       *infos = NULL;
+       int                              num_threads = 1;
+       errcode_t                        retval;
 
-       /*
-        * The l+f inode may have been cleared, so zap it now and
-        * later passes will recalculate it if necessary
-        */
-       ctx->lost_and_found = 0;
+       retval = e2fsck_pass1_threads_start(&infos, num_threads, global_ctx);
+       if (retval) {
+               com_err(global_ctx->program_name, retval,
+                       _("while starting pass1 threads\n"));
+               goto out_abort;
+       }
 
-       if ((ctx->flags & E2F_FLAG_SIGNAL_MASK) == 0)
-               print_resource_track(ctx, _("Pass 1"), &rtrack, ctx->fs->io);
-       else
-               ctx->invalid_bitmaps++;
+       retval = e2fsck_pass1_threads_join(infos, num_threads, global_ctx);
+       if (retval) {
+               com_err(global_ctx->program_name, retval,
+                       _("while joining pass1 threads\n"));
+               goto out_abort;
+       }
+       return;
+out_abort:
+       global_ctx->flags |= E2F_FLAG_ABORT;
+       return;
+}
+#endif
+
+/* TODO: tdb needs to be handled properly for multiple threads*/
+static int multiple_threads_supported(e2fsck_t ctx)
+{
+#ifdef CONFIG_TDB
+       unsigned int            threshold;
+       ext2_ino_t              num_dirs;
+       errcode_t               retval;
+       char                    *tdb_dir;
+       int                     enable;
+
+       profile_get_string(ctx->profile, "scratch_files", "directory", 0, 0,
+                          &tdb_dir);
+       profile_get_uint(ctx->profile, "scratch_files",
+                        "numdirs_threshold", 0, 0, &threshold);
+       profile_get_boolean(ctx->profile, "scratch_files",
+                           "icount", 0, 1, &enable);
+
+       retval = ext2fs_get_num_dirs(ctx->fs, &num_dirs);
+       if (retval)
+               num_dirs = 1024;        /* Guess */
+
+       /* tdb is unsupported now */
+       if (enable && tdb_dir && !access(tdb_dir, W_OK) &&
+           (!threshold || num_dirs > threshold))
+               return 0;
+ #endif
+       return 1;
 }
+
+void e2fsck_pass1(e2fsck_t ctx)
+{
+
+       init_ext2_max_sizes();
+#ifdef HAVE_PTHREAD
+       if (multiple_threads_supported(ctx)) {
+               e2fsck_pass1_multithread(ctx);
+               return;
+       }
+       fprintf(stderr, "Fall through single thread for pass1 "
+                       "because tdb could not handle properly\n");
+#endif
+       e2fsck_pass1_run(ctx);
+}
+
 #undef FINISH_INODE_LOOP
 
 /*
@@ -1941,24 +2973,42 @@ static errcode_t scan_callback(ext2_filsys fs,
 {
        struct scan_callback_struct *scan_struct;
        e2fsck_t ctx;
+       struct e2fsck_thread *tinfo;
 
        scan_struct = (struct scan_callback_struct *) priv_data;
        ctx = scan_struct->ctx;
 
-       process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf);
+       process_inodes((e2fsck_t) fs->priv_data, scan_struct->block_buf,
+                      scan_struct->inodes_to_process,
+                      scan_struct->process_inode_count);
 
        if (ctx->progress)
                if ((ctx->progress)(ctx, 1, group+1,
                                    ctx->fs->group_desc_count))
                        return EXT2_ET_CANCEL_REQUESTED;
 
+#ifdef HAVE_PTHREAD
+       if (ctx->global_ctx) {
+               tinfo = &ctx->thread_info;
+               tinfo->et_group_next++;
+               if (ctx->options & E2F_OPT_DEBUG &&
+                   ctx->options & E2F_OPT_MULTITHREAD)
+                       log_out(ctx, _("group %d finished\n"),
+                               tinfo->et_group_next);
+               if (tinfo->et_group_next >= tinfo->et_group_end)
+                       return EXT2_ET_SCAN_FINISHED;
+       }
+#endif
+
        return 0;
 }
 
 /*
  * Process the inodes in the "inodes to process" list.
  */
-static void process_inodes(e2fsck_t ctx, char *block_buf)
+static void process_inodes(e2fsck_t ctx, char *block_buf,
+                          struct process_inode_block *inodes_to_process,
+                          int *process_inode_count)
 {
        int                     i;
        struct ext2_inode       *old_stashed_inode;
@@ -1970,15 +3020,15 @@ static void process_inodes(e2fsck_t ctx, char *block_buf)
 #if 0
        printf("begin process_inodes: ");
 #endif
-       if (process_inode_count == 0)
+       if (*process_inode_count == 0)
                return;
        old_operation = ehandler_operation(0);
        old_stashed_inode = ctx->stashed_inode;
        old_stashed_ino = ctx->stashed_ino;
-       qsort(inodes_to_process, process_inode_count,
+       qsort(inodes_to_process, *process_inode_count,
                      sizeof(struct process_inode_block), process_inode_cmp);
        clear_problem_context(&pctx);
-       for (i=0; i < process_inode_count; i++) {
+       for (i=0; i < *process_inode_count; i++) {
                pctx.inode = ctx->stashed_inode =
                        (struct ext2_inode *) &inodes_to_process[i].inode;
                pctx.ino = ctx->stashed_ino = inodes_to_process[i].ino;
@@ -1989,13 +3039,14 @@ static void process_inodes(e2fsck_t ctx, char *block_buf)
                sprintf(buf, _("reading indirect blocks of inode %u"),
                        pctx.ino);
                ehandler_operation(buf);
-               check_blocks(ctx, &pctx, block_buf);
-               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+               check_blocks(ctx, &pctx, block_buf,
+                            &inodes_to_process[i].ea_ibody_quota);
+               if (e2fsck_should_abort(ctx))
                        break;
        }
        ctx->stashed_inode = old_stashed_inode;
        ctx->stashed_ino = old_stashed_ino;
-       process_inode_count = 0;
+       *process_inode_count = 0;
 #if 0
        printf("end process inodes\n");
 #endif
@@ -2049,20 +3100,20 @@ static void mark_inode_bad(e2fsck_t ctx, ino_t ino)
        ext2fs_mark_inode_bitmap2(ctx->inode_bad_map, ino);
 }
 
-static void add_encrypted_dir(e2fsck_t ctx, ino_t ino)
+static void add_casefolded_dir(e2fsck_t ctx, ino_t ino)
 {
        struct          problem_context pctx;
 
-       if (!ctx->encrypted_dirs) {
-               pctx.errcode = ext2fs_u32_list_create(&ctx->encrypted_dirs, 0);
+       if (!ctx->casefolded_dirs) {
+               pctx.errcode = ext2fs_u32_list_create(&ctx->casefolded_dirs, 0);
                if (pctx.errcode)
                        goto error;
        }
-       pctx.errcode = ext2fs_u32_list_add(ctx->encrypted_dirs, ino);
+       pctx.errcode = ext2fs_u32_list_add(ctx->casefolded_dirs, ino);
        if (pctx.errcode == 0)
                return;
 error:
-       fix_problem(ctx, PR_1_ALLOCATE_ENCRYPTED_DIRLIST, &pctx);
+       fix_problem(ctx, PR_1_ALLOCATE_CASEFOLDED_DIRLIST, &pctx);
        /* Should never get here */
        ctx->flags |= E2F_FLAG_ABORT;
 }
@@ -2121,6 +3172,10 @@ static _INLINE_ void mark_block_used(e2fsck_t ctx, blk64_t block)
        clear_problem_context(&pctx);
 
        if (ext2fs_fast_test_block_bitmap2(ctx->block_found_map, block)) {
+               if (ext2fs_has_feature_shared_blocks(ctx->fs->super) &&
+                   !(ctx->options & E2F_OPT_UNSHARE_BLOCKS)) {
+                       return;
+               }
                if (!ctx->block_dup_map) {
                        pctx.errcode = e2fsck_allocate_block_bitmap(ctx->fs,
                                        _("multiply claimed block map"),
@@ -2141,14 +3196,21 @@ static _INLINE_ void mark_block_used(e2fsck_t ctx, blk64_t block)
        }
 }
 
+/*
+ * When cluster size is greater than one block, it is caller's responsibility
+ * to make sure block parameter starts at a cluster boundary.
+ */
 static _INLINE_ void mark_blocks_used(e2fsck_t ctx, blk64_t block,
                                      unsigned int num)
 {
        if (ext2fs_test_block_bitmap_range2(ctx->block_found_map, block, num))
                ext2fs_mark_block_bitmap_range2(ctx->block_found_map, block, num);
-       else
-               while (num--)
-                       mark_block_used(ctx, block++);
+       else {
+               unsigned int i;
+
+               for (i = 0; i < num; i += EXT2FS_CLUSTER_RATIO(ctx->fs))
+                       mark_block_used(ctx, block + i);
+       }
 }
 
 /*
@@ -2166,7 +3228,7 @@ static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
        ext2_filsys                     fs = ctx->fs;
        blk64_t                         blk;
        __u32                           should_be;
-       int                             count;
+       ea_value_t                      count;
 
        clear_problem_context(&pctx);
 
@@ -2183,7 +3245,7 @@ static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
                }
                header = (struct ext2_ext_attr_header *) block_buf;
                pctx.blkcount = header->h_refcount;
-               should_be = header->h_refcount + adjust_sign * count;
+               should_be = header->h_refcount + adjust_sign * (int)count;
                pctx.num = should_be;
                if (fix_problem(ctx, PR_1_EXTATTR_REFCOUNT, &pctx)) {
                        header->h_refcount = should_be;
@@ -2203,7 +3265,7 @@ static void adjust_extattr_refcount(e2fsck_t ctx, ext2_refcount_t refcount,
  * Handle processing the extended attribute blocks
  */
 static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
-                          char *block_buf)
+                          char *block_buf, struct ea_quota *ea_block_quota)
 {
        ext2_filsys fs = ctx->fs;
        ext2_ino_t      ino = pctx->ino;
@@ -2211,11 +3273,15 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
        blk64_t         blk;
        char *          end;
        struct ext2_ext_attr_header *header;
-       struct ext2_ext_attr_entry *entry;
-       int             count;
+       struct ext2_ext_attr_entry *first, *entry;
+       blk64_t         quota_blocks = EXT2FS_C2B(fs, 1);
+       __u64           quota_inodes = 0;
        region_t        region = 0;
        int             failed_csum = 0;
 
+       ea_block_quota->blocks = 0;
+       ea_block_quota->inodes = 0;
+
        blk = ext2fs_file_acl_block(fs, inode);
        if (blk == 0)
                return 0;
@@ -2266,6 +3332,20 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
 
        /* Have we seen this EA block before? */
        if (ext2fs_fast_test_block_bitmap2(ctx->block_ea_map, blk)) {
+               ea_block_quota->blocks = EXT2FS_C2B(fs, 1);
+               ea_block_quota->inodes = 0;
+
+               if (ctx->ea_block_quota_blocks) {
+                       ea_refcount_fetch(ctx->ea_block_quota_blocks, blk,
+                                         &quota_blocks);
+                       if (quota_blocks)
+                               ea_block_quota->blocks = quota_blocks;
+               }
+
+               if (ctx->ea_block_quota_inodes)
+                       ea_refcount_fetch(ctx->ea_block_quota_inodes, blk,
+                                         &ea_block_quota->inodes);
+
                if (ea_refcount_decrement(ctx->refcount, blk, 0) == 0)
                        return 1;
                /* Ooops, this EA was referenced more than it stated */
@@ -2329,8 +3409,9 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
                        goto clear_extattr;
        }
 
-       entry = (struct ext2_ext_attr_entry *)(header+1);
+       first = (struct ext2_ext_attr_entry *)(header+1);
        end = block_buf + fs->blocksize;
+       entry = first;
        while ((char *)entry < end && *(__u32 *)entry) {
                __u32 hash;
 
@@ -2348,30 +3429,41 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
                                goto clear_extattr;
                        break;
                }
-               if (entry->e_value_block != 0) {
-                       if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
-                               goto clear_extattr;
-               }
-               if (entry->e_value_offs + entry->e_value_size > fs->blocksize) {
-                       if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
-                               goto clear_extattr;
-                       break;
-               }
-               if (entry->e_value_size &&
-                   region_allocate(region, entry->e_value_offs,
-                                   EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
-                       if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION, pctx))
-                               goto clear_extattr;
-               }
+               if (entry->e_value_inum == 0) {
+                       if (entry->e_value_offs + entry->e_value_size >
+                           fs->blocksize) {
+                               if (fix_problem(ctx, PR_1_EA_BAD_VALUE, pctx))
+                                       goto clear_extattr;
+                               break;
+                       }
+                       if (entry->e_value_size &&
+                           region_allocate(region, entry->e_value_offs,
+                                           EXT2_EXT_ATTR_SIZE(entry->e_value_size))) {
+                               if (fix_problem(ctx, PR_1_EA_ALLOC_COLLISION,
+                                               pctx))
+                                       goto clear_extattr;
+                       }
+
+                       hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
+                                                         entry->e_value_offs);
 
-               hash = ext2fs_ext_attr_hash_entry(entry, block_buf +
-                                                        entry->e_value_offs);
+                       if (entry->e_hash != hash) {
+                               pctx->num = entry->e_hash;
+                               if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
+                                       goto clear_extattr;
+                               entry->e_hash = hash;
+                       }
+               } else {
+                       problem_t problem;
+                       blk64_t entry_quota_blocks;
 
-               if (entry->e_hash != hash) {
-                       pctx->num = entry->e_hash;
-                       if (fix_problem(ctx, PR_1_ATTR_HASH, pctx))
+                       problem = check_large_ea_inode(ctx, entry, pctx,
+                                                      &entry_quota_blocks);
+                       if (problem && fix_problem(ctx, problem, pctx))
                                goto clear_extattr;
-                       entry->e_hash = hash;
+
+                       quota_blocks += entry_quota_blocks;
+                       quota_inodes++;
                }
 
                entry = EXT2_EXT_ATTR_NEXT(entry);
@@ -2394,9 +3486,40 @@ static int check_ext_attr(e2fsck_t ctx, struct problem_context *pctx,
                        return 0;
        }
 
-       count = header->h_refcount - 1;
-       if (count)
-               ea_refcount_store(ctx->refcount, blk, count);
+       if (quota_blocks != EXT2FS_C2B(fs, 1U)) {
+               if (!ctx->ea_block_quota_blocks) {
+                       pctx->errcode = ea_refcount_create(0,
+                                               &ctx->ea_block_quota_blocks);
+                       if (pctx->errcode) {
+                               pctx->num = 3;
+                               goto refcount_fail;
+                       }
+               }
+               ea_refcount_store(ctx->ea_block_quota_blocks, blk,
+                                 quota_blocks);
+       }
+
+       if (quota_inodes) {
+               if (!ctx->ea_block_quota_inodes) {
+                       pctx->errcode = ea_refcount_create(0,
+                                               &ctx->ea_block_quota_inodes);
+                       if (pctx->errcode) {
+                               pctx->num = 4;
+refcount_fail:
+                               fix_problem(ctx, PR_1_ALLOCATE_REFCOUNT, pctx);
+                               ctx->flags |= E2F_FLAG_ABORT;
+                               return 0;
+                       }
+               }
+
+               ea_refcount_store(ctx->ea_block_quota_inodes, blk,
+                                 quota_inodes);
+       }
+       ea_block_quota->blocks = quota_blocks;
+       ea_block_quota->inodes = quota_inodes;
+
+       inc_ea_inode_refs(ctx, pctx, first, end);
+       ea_refcount_store(ctx->refcount, blk, header->h_refcount - 1);
        mark_block_used(ctx, blk);
        ext2fs_fast_mark_block_bitmap2(ctx->block_ea_map, blk);
        return 1;
@@ -2452,18 +3575,49 @@ static int handle_htree(e2fsck_t ctx, struct problem_context *pctx,
        if ((root->hash_version != EXT2_HASH_LEGACY) &&
            (root->hash_version != EXT2_HASH_HALF_MD4) &&
            (root->hash_version != EXT2_HASH_TEA) &&
+           (root->hash_version != EXT2_HASH_SIPHASH) &&
            fix_problem(ctx, PR_1_HTREE_HASHV, pctx))
                return 1;
 
+       if (ext4_hash_in_dirent(inode)) {
+               if (root->hash_version != EXT2_HASH_SIPHASH &&
+                   fix_problem(ctx, PR_1_HTREE_NEEDS_SIPHASH, pctx))
+                       return 1;
+       } else {
+               if (root->hash_version == EXT2_HASH_SIPHASH &&
+                  fix_problem(ctx, PR_1_HTREE_CANNOT_SIPHASH, pctx))
+                       return 1;
+       }
+
        if ((root->unused_flags & EXT2_HASH_FLAG_INCOMPAT) &&
            fix_problem(ctx, PR_1_HTREE_INCOMPAT, pctx))
                return 1;
 
        pctx->num = root->indirect_levels;
-       if ((root->indirect_levels > 1) &&
+       /* if htree level is clearly too high, consider it to be broken */
+       if (root->indirect_levels > EXT4_HTREE_LEVEL &&
            fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
                return 1;
 
+       /* if level is only maybe too high, LARGE_DIR feature could be unset */
+       if (root->indirect_levels > ext2_dir_htree_level(fs) &&
+           !ext2fs_has_feature_largedir(fs->super)) {
+               int blockbits = EXT2_BLOCK_SIZE_BITS(fs->super) + 10;
+               unsigned idx_pb = 1 << (blockbits - 3);
+
+               /* compare inode size/blocks vs. max-sized 2-level htree */
+               if (EXT2_I_SIZE(pctx->inode) <
+                   (idx_pb - 1) * (idx_pb - 2) << blockbits &&
+                   pctx->inode->i_blocks <
+                   (idx_pb - 1) * (idx_pb - 2) << (blockbits - 9) &&
+                   fix_problem(ctx, PR_1_HTREE_DEPTH, pctx))
+                       return 1;
+       }
+
+       if (root->indirect_levels > EXT4_HTREE_LEVEL_COMPAT ||
+           ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
+               ctx->large_dirs++;
+
        return 0;
 }
 
@@ -2512,7 +3666,7 @@ void e2fsck_clear_inode(e2fsck_t ctx, ext2_ino_t ino,
  * line up.
  */
 static int has_unaligned_cluster_map(e2fsck_t ctx,
-                                    blk64_t last_pblk, e2_blkcnt_t last_lblk,
+                                    blk64_t last_pblk, blk64_t last_lblk,
                                     blk64_t pblk, blk64_t lblk)
 {
        blk64_t cluster_mask;
@@ -2548,8 +3702,7 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
 {
        struct ext2fs_extent    extent;
        blk64_t                 blk, last_lblk;
-       e2_blkcnt_t             blockcnt;
-       unsigned int            i;
+       unsigned int            i, n;
        int                     is_dir, is_leaf;
        problem_t               problem;
        struct ext2_extent_info info;
@@ -2601,8 +3754,9 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
                else if (extent.e_lblk < start_block)
                        problem = PR_1_OUT_OF_ORDER_EXTENTS;
                else if ((end_block && last_lblk > end_block) &&
-                        (!(extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT &&
-                               last_lblk > eof_block)))
+                        !(last_lblk > eof_block &&
+                          ((extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) ||
+                           (pctx->inode->i_flags & EXT4_VERITY_FL))))
                        problem = PR_1_EXTENT_END_OUT_OF_BOUNDS;
                else if (is_leaf && extent.e_len == 0)
                        problem = PR_1_EXTENT_LENGTH_ZERO;
@@ -2610,14 +3764,25 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
                         (extent.e_pblk + extent.e_len) >
                         ext2fs_blocks_count(ctx->fs->super))
                        problem = PR_1_EXTENT_ENDS_BEYOND;
-               else if (is_leaf && is_dir &&
+               else if (is_leaf && is_dir && !pctx->inode->i_size_high &&
+                        !ext2fs_has_feature_largedir(ctx->fs->super) &&
                         ((extent.e_lblk + extent.e_len) >
-                         (1 << (21 - ctx->fs->super->s_log_block_size))))
+                         (1U << (21 - ctx->fs->super->s_log_block_size))))
                        problem = PR_1_TOOBIG_DIR;
 
-               if (is_leaf && problem == 0 && extent.e_len > 0 &&
-                   region_allocate(pb->region, extent.e_lblk, extent.e_len))
-                       problem = PR_1_EXTENT_COLLISION;
+               if (is_leaf && problem == 0 && extent.e_len > 0) {
+#if 0
+                       printf("extent_region(ino=%u, expect=%llu, "
+                              "lblk=%llu, len=%u)\n", pb->ino,
+                              (unsigned long long) pb->next_lblock,
+                              (unsigned long long) extent.e_lblk,
+                              extent.e_len);
+#endif
+                       if (extent.e_lblk < pb->next_lblock)
+                               problem = PR_1_EXTENT_COLLISION;
+                       else if (extent.e_lblk + extent.e_len > pb->next_lblock)
+                               pb->next_lblock = extent.e_lblk + extent.e_len;
+               }
 
                /*
                 * Uninitialized blocks in a directory?  Clear the flag and
@@ -2634,7 +3799,20 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
                                return;
                        failed_csum = 0;
                }
-
+#ifdef CONFIG_DEVELOPER_FEATURES
+               if (try_repairs && !is_dir && problem == 0 &&
+                   (ctx->options & E2F_OPT_CLEAR_UNINIT) &&
+                   (extent.e_flags & EXT2_EXTENT_FLAGS_UNINIT) &&
+                   fix_problem(ctx, PR_1_CLEAR_UNINIT_EXTENT, pctx)) {
+                       extent.e_flags &= ~EXT2_EXTENT_FLAGS_UNINIT;
+                       pb->inode_modified = 1;
+                       pctx->errcode = ext2fs_extent_replace(ehandle, 0,
+                                                             &extent);
+                       if (pctx->errcode)
+                               return;
+                       failed_csum = 0;
+               }
+#endif
                if (try_repairs && problem) {
 report_problem:
                        if (fix_problem(ctx, problem, pctx)) {
@@ -2697,6 +3875,7 @@ report_problem:
                         * will reallocate the block; then we can try again.
                         */
                        if (pb->ino != EXT2_RESIZE_INO &&
+                           extent.e_pblk < ctx->fs->super->s_blocks_count &&
                            ext2fs_test_block_bitmap2(ctx->block_metadata_map,
                                                      extent.e_pblk)) {
                                next_try_repairs = 0;
@@ -2704,7 +3883,8 @@ report_problem:
                                fix_problem(ctx,
                                            PR_1_CRITICAL_METADATA_COLLISION,
                                            pctx);
-                               ctx->flags |= E2F_FLAG_RESTART_LATER;
+                               if ((ctx->options & E2F_OPT_NO) == 0)
+                                       ctx->flags |= E2F_FLAG_RESTART_LATER;
                        }
                        pctx->errcode = ext2fs_extent_get(ehandle,
                                                  EXT2_EXTENT_DOWN, &extent);
@@ -2722,7 +3902,12 @@ report_problem:
                        if (extent.e_lblk != lblk) {
                                struct ext2_extent_info e_info;
 
-                               ext2fs_extent_get_info(ehandle, &e_info);
+                               pctx->errcode = ext2fs_extent_get_info(ehandle,
+                                                                      &e_info);
+                               if (pctx->errcode) {
+                                       pctx->str = "ext2fs_extent_get_info";
+                                       return;
+                               }
                                pctx->blk = lblk;
                                pctx->blk2 = extent.e_lblk;
                                pctx->num = e_info.curr_level - 1;
@@ -2781,7 +3966,7 @@ report_problem:
                 * pass 3 allocating empty directory blocks to fill the hole.
                 */
                if (try_repairs && is_dir &&
-                   pb->last_block + 1 < (e2_blkcnt_t)extent.e_lblk) {
+                   pb->last_block + 1 < extent.e_lblk) {
                        blk64_t new_lblk;
 
                        new_lblk = pb->last_block + 1;
@@ -2814,50 +3999,29 @@ report_problem:
                        }
                }
 alloc_later:
-               while (is_dir && (++pb->last_db_block <
-                                 (e2_blkcnt_t) extent.e_lblk)) {
-                       pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist,
-                                                             pb->ino, 0,
-                                                             pb->last_db_block);
-                       if (pctx->errcode) {
-                               pctx->blk = 0;
-                               pctx->num = pb->last_db_block;
-                               goto failed_add_dir_block;
-                       }
-               }
-               if (!ctx->fs->cluster_ratio_bits) {
-                       mark_blocks_used(ctx, extent.e_pblk, extent.e_len);
-                       pb->num_blocks += extent.e_len;
-               }
-               for (blk = extent.e_pblk, blockcnt = extent.e_lblk, i = 0;
-                    i < extent.e_len;
-                    blk++, blockcnt++, i++) {
-                       if (ctx->fs->cluster_ratio_bits &&
-                           !(pb->previous_block &&
-                             (EXT2FS_B2C(ctx->fs, blk) ==
-                              EXT2FS_B2C(ctx->fs, pb->previous_block)) &&
-                             (blk & EXT2FS_CLUSTER_MASK(ctx->fs)) ==
-                             ((unsigned) blockcnt & EXT2FS_CLUSTER_MASK(ctx->fs)))) {
-                               mark_block_used(ctx, blk);
-                               pb->num_blocks++;
-                       }
-                       if (has_unaligned_cluster_map(ctx, pb->previous_block,
-                                                     pb->last_block, blk,
-                                                     blockcnt)) {
-                               pctx->blk = blockcnt;
-                               pctx->blk2 = blk;
-                               fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
-                               mark_block_used(ctx, blk);
-                               mark_block_used(ctx, blk);
+               if (is_dir) {
+                       while (++pb->last_db_block <
+                              (e2_blkcnt_t) extent.e_lblk) {
+                               pctx->errcode = ext2fs_add_dir_block2(
+                                                       ctx->fs->dblist,
+                                                       pb->ino, 0,
+                                                       pb->last_db_block);
+                               if (pctx->errcode) {
+                                       pctx->blk = 0;
+                                       pctx->num = pb->last_db_block;
+                                       goto failed_add_dir_block;
+                               }
                        }
-                       pb->last_block = blockcnt;
-                       pb->previous_block = blk;
 
-                       if (is_dir) {
-                               pctx->errcode = ext2fs_add_dir_block2(ctx->fs->dblist, pctx->ino, blk, blockcnt);
+                       for (i = 0; i < extent.e_len; i++) {
+                               pctx->errcode = ext2fs_add_dir_block2(
+                                                       ctx->fs->dblist,
+                                                       pctx->ino,
+                                                       extent.e_pblk + i,
+                                                       extent.e_lblk + i);
                                if (pctx->errcode) {
-                                       pctx->blk = blk;
-                                       pctx->num = blockcnt;
+                                       pctx->blk = extent.e_pblk + i;
+                                       pctx->num = extent.e_lblk + i;
                                failed_add_dir_block:
                                        fix_problem(ctx, PR_1_ADD_DBLOCK, pctx);
                                        /* Should never get here */
@@ -2865,9 +4029,46 @@ alloc_later:
                                        return;
                                }
                        }
+                       if (extent.e_len > 0)
+                               pb->last_db_block = extent.e_lblk + extent.e_len - 1;
                }
-               if (is_dir && extent.e_len > 0)
-                       pb->last_db_block = blockcnt - 1;
+               if (has_unaligned_cluster_map(ctx, pb->previous_block,
+                                             pb->last_block,
+                                             extent.e_pblk,
+                                             extent.e_lblk)) {
+                       for (i = 0; i < extent.e_len; i++) {
+                               pctx->blk = extent.e_lblk + i;
+                               pctx->blk2 = extent.e_pblk + i;
+                               fix_problem(ctx, PR_1_MISALIGNED_CLUSTER, pctx);
+                               mark_block_used(ctx, extent.e_pblk + i);
+                               mark_block_used(ctx, extent.e_pblk + i);
+                       }
+               }
+
+               /*
+                * Check whether first cluster got marked in previous iteration.
+                */
+               if (ctx->fs->cluster_ratio_bits &&
+                   pb->previous_block &&
+                   (EXT2FS_B2C(ctx->fs, extent.e_pblk) ==
+                    EXT2FS_B2C(ctx->fs, pb->previous_block)))
+                       /* Set blk to the beginning of next cluster. */
+                       blk = EXT2FS_C2B(
+                               ctx->fs,
+                               EXT2FS_B2C(ctx->fs, extent.e_pblk) + 1);
+               else
+                       /* Set blk to the beginning of current cluster. */
+                       blk = EXT2FS_C2B(ctx->fs,
+                                        EXT2FS_B2C(ctx->fs, extent.e_pblk));
+
+               if (blk < extent.e_pblk + extent.e_len) {
+                       mark_blocks_used(ctx, blk,
+                                        extent.e_pblk + extent.e_len - blk);
+                       n = DIV_ROUND_UP(extent.e_pblk + extent.e_len - blk,
+                                        EXT2FS_CLUSTER_RATIO(ctx->fs));
+                       pb->num_blocks += n;
+               }
+               pb->last_block = extent.e_lblk + extent.e_len - 1;
                pb->previous_block = extent.e_pblk + extent.e_len - 1;
                start_block = pb->last_block = last_lblk;
                if (is_leaf && !is_dir &&
@@ -2948,13 +4149,7 @@ static void check_blocks_extents(e2fsck_t ctx, struct problem_context *pctx,
        memset(pb->eti.ext_info, 0, sizeof(pb->eti.ext_info));
        pb->eti.ino = pb->ino;
 
-       pb->region = region_create(0, info.max_lblk);
-       if (!pb->region) {
-               ext2fs_extent_free(ehandle);
-               fix_problem(ctx, PR_1_EXTENT_ALLOC_REGION_ABORT, pctx);
-               ctx->flags |= E2F_FLAG_ABORT;
-               return;
-       }
+       pb->next_lblock = 0;
 
        eof_lblk = ((EXT2_I_SIZE(inode) + fs->blocksize - 1) >>
                EXT2_BLOCK_SIZE_BITS(fs->super)) - 1;
@@ -2967,8 +4162,6 @@ static void check_blocks_extents(e2fsck_t ctx, struct problem_context *pctx,
                                   "check_blocks_extents");
                pctx->errcode = 0;
        }
-       region_free(pb->region);
-       pb->region = NULL;
        ext2fs_extent_free(ehandle);
 
        /* Rebuild unless it's a dir and we're rehashing it */
@@ -3035,7 +4228,7 @@ err:
  * blocks used by that inode.
  */
 static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
-                        char *block_buf)
+                        char *block_buf, const struct ea_quota *ea_ibody_quota)
 {
        ext2_filsys fs = ctx->fs;
        struct process_block_struct pb;
@@ -3046,10 +4239,12 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        int             extent_fs;
        int             inlinedata_fs;
        __u64           size;
+       struct ea_quota ea_block_quota;
 
        pb.ino = ino;
-       pb.num_blocks = 0;
-       pb.last_block = -1;
+       pb.num_blocks = EXT2FS_B2C(ctx->fs,
+                                  ea_ibody_quota ? ea_ibody_quota->blocks : 0);
+       pb.last_block = ~0;
        pb.last_init_lblock = -1;
        pb.last_db_block = -1;
        pb.num_illegal_blocks = 0;
@@ -3059,7 +4254,7 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        pb.previous_block = 0;
        pb.is_dir = LINUX_S_ISDIR(inode->i_mode);
        pb.is_reg = LINUX_S_ISREG(inode->i_mode);
-       pb.max_blocks = 1 << (31 - fs->super->s_log_block_size);
+       pb.max_blocks = 1U << (31 - fs->super->s_log_block_size);
        pb.inode = inode;
        pb.pctx = pctx;
        pb.ctx = ctx;
@@ -3071,10 +4266,10 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        extent_fs = ext2fs_has_feature_extents(ctx->fs->super);
        inlinedata_fs = ext2fs_has_feature_inline_data(ctx->fs->super);
 
-       if (check_ext_attr(ctx, pctx, block_buf)) {
-               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+       if (check_ext_attr(ctx, pctx, block_buf, &ea_block_quota)) {
+               if (e2fsck_should_abort(ctx))
                        goto out;
-               pb.num_blocks++;
+               pb.num_blocks += EXT2FS_B2C(ctx->fs, ea_block_quota.blocks);
        }
 
        if (inlinedata_fs && (inode->i_flags & EXT4_INLINE_DATA_FL))
@@ -3127,7 +4322,7 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        }
        end_problem_latch(ctx, PR_LATCH_BLOCK);
        end_problem_latch(ctx, PR_LATCH_TOOBIG);
-       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+       if (e2fsck_should_abort(ctx))
                goto out;
        if (pctx->errcode)
                fix_problem(ctx, PR_1_BLOCK_ITERATE, pctx);
@@ -3150,7 +4345,7 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
                        inode->i_flags &= ~EXT2_INDEX_FL;
                        dirty_inode++;
                } else {
-                       e2fsck_add_dx_dir(ctx, ino, pb.last_block+1);
+                       e2fsck_add_dx_dir(ctx, ino, inode, pb.last_block+1);
                }
        }
 
@@ -3164,10 +4359,15 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        }
 
        if (ino != quota_type2inum(PRJQUOTA, fs->super) &&
-           (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super))) {
-               quota_data_add(ctx->qctx, inode, ino,
-                              pb.num_blocks * fs->blocksize);
-               quota_data_inodes(ctx->qctx, inode, ino, +1);
+           (ino == EXT2_ROOT_INO || ino >= EXT2_FIRST_INODE(ctx->fs->super)) &&
+           !(inode->i_flags & EXT4_EA_INODE_FL)) {
+               quota_data_add(ctx->qctx, (struct ext2_inode_large *) inode,
+                              ino,
+                              pb.num_blocks * EXT2_CLUSTER_SIZE(fs->super));
+               quota_data_inodes(ctx->qctx, (struct ext2_inode_large *) inode,
+                                 ino, (ea_ibody_quota ?
+                                       ea_ibody_quota->inodes : 0) +
+                                               ea_block_quota.inodes + 1);
        }
 
        if (!ext2fs_has_feature_huge_file(fs->super) ||
@@ -3175,31 +4375,32 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
                pb.num_blocks *= (fs->blocksize / 512);
        pb.num_blocks *= EXT2FS_CLUSTER_RATIO(fs);
 #if 0
-       printf("inode %u, i_size = %u, last_block = %lld, i_blocks=%llu, num_blocks = %llu\n",
-              ino, inode->i_size, pb.last_block, ext2fs_inode_i_blocks(fs, inode),
-              pb.num_blocks);
+       printf("inode %u, i_size = %u, last_block = %llu, i_blocks=%llu, num_blocks = %llu\n",
+              ino, inode->i_size, (unsigned long long) pb.last_block,
+              (unsigned long long) ext2fs_inode_i_blocks(fs, inode),
+              (unsigned long long) pb.num_blocks);
 #endif
+       size = EXT2_I_SIZE(inode);
        if (pb.is_dir) {
-               int nblock = inode->i_size >> EXT2_BLOCK_SIZE_BITS(fs->super);
+               unsigned nblock = size >> EXT2_BLOCK_SIZE_BITS(fs->super);
                if (inode->i_flags & EXT4_INLINE_DATA_FL) {
                        int flags;
-                       size_t size;
+                       size_t sz = 0;
                        errcode_t err;
 
-                       size = 0;
                        flags = ctx->fs->flags;
                        ctx->fs->flags |= EXT2_FLAG_IGNORE_CSUM_ERRORS;
                        err = ext2fs_inline_data_size(ctx->fs, pctx->ino,
-                                                     &size);
+                                                     &sz);
                        ctx->fs->flags = (flags &
                                          EXT2_FLAG_IGNORE_CSUM_ERRORS) |
                                         (ctx->fs->flags &
                                          ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
-                       if (err || size != inode->i_size) {
+                       if (err || sz != size) {
                                bad_size = 7;
-                               pctx->num = size;
+                               pctx->num = sz;
                        }
-               } else if (inode->i_size & (fs->blocksize - 1))
+               } else if (size & (fs->blocksize - 1))
                        bad_size = 5;
                else if (nblock > (pb.last_block + 1))
                        bad_size = 1;
@@ -3209,15 +4410,10 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
                                bad_size = 2;
                }
        } else {
-               e2_blkcnt_t blkpg = ctx->blocks_per_page;
-
-               size = EXT2_I_SIZE(inode);
                if ((pb.last_init_lblock >= 0) &&
-                   /* allow allocated blocks to end of PAGE_SIZE */
+                   /* Do not allow initialized allocated blocks past i_size*/
                    (size < (__u64)pb.last_init_lblock * fs->blocksize) &&
-                   (pb.last_init_lblock / blkpg * blkpg != pb.last_init_lblock ||
-                    size < (__u64)(pb.last_init_lblock & ~(blkpg-1)) *
-                    fs->blocksize))
+                   !(inode->i_flags & EXT4_VERITY_FL))
                        bad_size = 3;
                else if (!(extent_fs && (inode->i_flags & EXT4_EXTENTS_FL)) &&
                         size > ext2_max_sizes[fs->super->s_log_block_size])
@@ -3236,8 +4432,6 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
                        pctx->num = (pb.last_block + 1) * fs->blocksize;
                pctx->group = bad_size;
                if (fix_problem(ctx, PR_1_BAD_I_SIZE, pctx)) {
-                       if (LINUX_S_ISDIR(inode->i_mode))
-                               pctx->num &= 0xFFFFFFFFULL;
                        ext2fs_inode_size_set(fs, inode, pctx->num);
                        if (EXT2_I_SIZE(inode) == 0 &&
                            (inode->i_flags & EXT4_INLINE_DATA_FL)) {
@@ -3252,7 +4446,7 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        if (LINUX_S_ISREG(inode->i_mode) &&
            ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode)))
                ctx->large_files++;
-       if ((fs->super->s_creator_os == EXT2_OS_LINUX) &&
+       if ((fs->super->s_creator_os != EXT2_OS_HURD) &&
            ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) ||
             (ext2fs_has_feature_huge_file(fs->super) &&
              (inode->i_flags & EXT4_HUGE_FILE_FL) &&
@@ -3409,15 +4603,19 @@ static int process_block(ext2_filsys fs,
                                       (unsigned long) pctx->ino, type,
                                       (unsigned long) p->previous_block+1,
                                       (unsigned long) blk,
-                                      blockcnt);
+                                      (long long) blockcnt);
                        }
                        p->fragmented = 1;
                }
        }
 
-       if (p->is_dir && blockcnt > (1 << (21 - fs->super->s_log_block_size)))
+       if (p->is_dir && !ext2fs_has_feature_largedir(fs->super) &&
+           !pctx->inode->i_size_high &&
+           blockcnt > (1 << (21 - fs->super->s_log_block_size)))
                problem = PR_1_TOOBIG_DIR;
-       if (p->is_reg && p->num_blocks+1 >= p->max_blocks)
+       if (p->is_dir && p->num_blocks + 1 >= p->max_blocks)
+               problem = PR_1_TOOBIG_DIR;
+       if (p->is_reg && p->num_blocks + 1 >= p->max_blocks)
                problem = PR_1_TOOBIG_REG;
        if (!p->is_dir && !p->is_reg && blockcnt > 0)
                problem = PR_1_TOOBIG_SYMLINK;
@@ -3434,10 +4632,12 @@ static int process_block(ext2_filsys fs,
         */
        if (blockcnt < 0 &&
            p->ino != EXT2_RESIZE_INO &&
+           blk < ctx->fs->super->s_blocks_count &&
            ext2fs_test_block_bitmap2(ctx->block_metadata_map, blk)) {
                pctx->blk = blk;
                fix_problem(ctx, PR_1_CRITICAL_METADATA_COLLISION, pctx);
-               ctx->flags |= E2F_FLAG_RESTART_LATER;
+               if ((ctx->options & E2F_OPT_NO) == 0)
+                       ctx->flags |= E2F_FLAG_RESTART_LATER;
        }
 
        if (problem) {
@@ -3603,7 +4803,7 @@ static int process_bad_block(ext2_filsys fs,
                                *block_nr = 0;
                                return BLOCK_CHANGED;
                        }
-                       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+                       if (e2fsck_should_abort(ctx))
                                return BLOCK_ABORT;
                } else
                        mark_block_used(ctx, blk);
@@ -3700,7 +4900,7 @@ static int process_bad_block(ext2_filsys fs,
                        *block_nr = 0;
                        return BLOCK_CHANGED;
                }
-               if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+               if (e2fsck_should_abort(ctx))
                        return BLOCK_ABORT;
                return 0;
        }
@@ -3926,7 +5126,7 @@ static void mark_table_blocks(e2fsck_t ctx)
 }
 
 /*
- * Thes subroutines short circuits ext2fs_get_blocks and
+ * These subroutines short circuits ext2fs_get_blocks and
  * ext2fs_check_directory; we use them since we already have the inode
  * structure, so there's no point in letting the ext2fs library read
  * the inode again.