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e2fsck: copy fs when using multi-thread fsck
[tools/e2fsprogs.git] / e2fsck / pass1.c
index 40ffd8d..d35abbe 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.)
  *
@@ -47,6 +50,9 @@
 
 #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);
@@ -65,12 +76,13 @@ 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);
@@ -96,12 +108,13 @@ 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;
 };
 
@@ -120,16 +133,6 @@ 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 +146,10 @@ 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 +178,18 @@ 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 +198,64 @@ 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 +312,130 @@ 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 = first;
+       struct ext2_ext_attr_entry *np = EXT2_EXT_ATTR_NEXT(entry);
+
+       while ((void *) entry < end && (void *) np < end &&
+              !EXT2_EXT_IS_LAST_ENTRY(entry)) {
+               if (!entry->e_value_inum)
+                       goto next;
+               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);
+       next:
+               entry = np;
+               np = EXT2_EXT_ATTR_NEXT(entry);
+       }
+}
+
+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 */
@@ -498,7 +605,6 @@ static void check_inode_extra_space(e2fsck_t ctx, struct problem_context *pctx)
                        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 */
@@ -509,7 +615,7 @@ 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);
        }
 
        /*
@@ -734,6 +840,8 @@ extern errcode_t e2fsck_setup_icount(e2fsck_t ctx, const char *icount_name,
        }
        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;
@@ -1043,7 +1151,22 @@ 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_thread(e2fsck_t ctx)
 {
        int     i;
        __u64   max_sizes;
@@ -1060,13 +1183,15 @@ void e2fsck_pass1(e2fsck_t ctx)
        struct          scan_callback_struct scan_struct;
        struct ext2_super_block *sb = ctx->fs->super;
        const char      *old_op;
-       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);
-       int             bufsize;
+       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;
 
        init_resource_track(&rtrack, ctx->fs->io);
        clear_problem_context(&pctx);
@@ -1105,6 +1230,7 @@ void e2fsck_pass1(e2fsck_t ctx)
        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
@@ -1156,6 +1282,20 @@ void e2fsck_pass1(e2fsck_t ctx)
                ctx->flags |= E2F_FLAG_ABORT;
                return;
        }
+       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) {
@@ -1228,8 +1368,10 @@ void e2fsck_pass1(e2fsck_t ctx)
        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;
@@ -1248,13 +1390,13 @@ void e2fsck_pass1(e2fsck_t ctx)
                        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) {
                        /*
@@ -1276,17 +1418,9 @@ 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);
@@ -1368,6 +1502,15 @@ void e2fsck_pass1(e2fsck_t ctx)
                        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? */
                if ((inode->i_flags & EXT4_INLINE_DATA_FL) &&
                    (inode->i_flags & EXT4_EXTENTS_FL)) {
@@ -1385,8 +1528,8 @@ 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);
@@ -1430,6 +1573,7 @@ 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)) {
@@ -1578,7 +1722,7 @@ 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))
@@ -1612,7 +1756,7 @@ 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;
                        }
@@ -1639,7 +1783,7 @@ 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;
                        }
@@ -1677,7 +1821,7 @@ 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;
                }
@@ -1742,7 +1886,7 @@ 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);
 
                /*
@@ -1758,12 +1902,19 @@ 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++;
@@ -1787,9 +1938,10 @@ 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;
                        }
@@ -1823,17 +1975,18 @@ void e2fsck_pass1(e2fsck_t ctx)
                     inode->i_block[EXT2_DIND_BLOCK] ||
                     inode->i_block[EXT2_TIND_BLOCK] ||
                     ext2fs_file_acl_block(fs, inode))) {
-                       struct ext2_inode_large *ip;
+                       struct process_inode_block *itp;
 
-                       inodes_to_process[process_inode_count].ino = ino;
-                       ip = &inodes_to_process[process_inode_count].inode;
+                       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(ip, inode, inode_size);
+                               memcpy(&itp->inode, inode, inode_size);
                        else
-                               memcpy(ip, inode, sizeof(*ip));
+                               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);
 
@@ -1843,7 +1996,7 @@ void e2fsck_pass1(e2fsck_t ctx)
                if (process_inode_count >= ctx->process_inode_size) {
                        process_inodes(ctx, block_buf);
 
-                       if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
+                       if (e2fsck_should_abort(ctx))
                                goto endit;
                }
        }
@@ -1871,6 +2024,16 @@ void e2fsck_pass1(e2fsck_t ctx)
                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);
 
@@ -1880,6 +2043,9 @@ void e2fsck_pass1(e2fsck_t ctx)
                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);
@@ -1909,10 +2075,22 @@ void e2fsck_pass1(e2fsck_t ctx)
                 * master superblock.
                 */
                ctx->use_superblock = 0;
-               unwind_pass1(fs);
                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);
@@ -1921,9 +2099,10 @@ void e2fsck_pass1(e2fsck_t ctx)
                e2fsck_pass1_dupblocks(ctx, block_buf);
        }
        ctx->flags |= E2F_FLAG_ALLOC_OK;
-       ext2fs_free_mem(&inodes_to_process);
 endit:
        e2fsck_use_inode_shortcuts(ctx, 0);
+       ext2fs_free_mem(&inodes_to_process);
+       inodes_to_process = 0;
 
        if (scan)
                ext2fs_close_inode_scan(scan);
@@ -1943,6 +2122,120 @@ endit:
        else
                ctx->invalid_bitmaps++;
 }
+
+static void e2fsck_pass1_copy_fs(ext2_filsys dest, ext2_filsys src)
+{
+       memcpy(dest, src, sizeof(struct struct_ext2_filsys));
+       if (dest->dblist)
+               dest->dblist->fs = dest;
+       if (dest->inode_map)
+               dest->inode_map->fs = dest;
+       if (dest->block_map)
+               dest->block_map->fs = dest;
+}
+
+static errcode_t e2fsck_pass1_thread_prepare(e2fsck_t global_ctx, e2fsck_t *thread_ctx)
+{
+       errcode_t       retval;
+       e2fsck_t        thread_context;
+       ext2_filsys     thread_fs;
+       ext2_filsys     global_fs = global_ctx->fs;
+
+       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;
+       }
+
+       e2fsck_pass1_copy_fs(thread_fs, global_fs);
+       thread_fs->priv_data = thread_context;
+
+       thread_context->fs = thread_fs;
+       *thread_ctx = thread_context;
+       return 0;
+out_context:
+       ext2fs_free_mem(&thread_context);
+       return retval;
+}
+
+static int e2fsck_pass1_thread_join(e2fsck_t global_ctx, e2fsck_t thread_ctx)
+{
+       int             flags = global_ctx->flags;
+       ext2_filsys     thread_fs = thread_ctx->fs;
+       ext2_filsys     global_fs = global_ctx->fs;
+#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
+       /* Keep the global singal flags*/
+       global_ctx->flags |= (flags & E2F_FLAG_SIGNAL_MASK) |
+                            (global_ctx->flags & E2F_FLAG_SIGNAL_MASK);
+
+       e2fsck_pass1_copy_fs(global_fs, thread_fs);
+       global_fs->priv_data = global_ctx;
+       global_ctx->fs = global_fs;
+
+       ext2fs_free_mem(&thread_ctx->fs);
+       ext2fs_free_mem(&thread_ctx);
+       return 0;
+}
+
+void e2fsck_pass1_multithread(e2fsck_t ctx)
+{
+       errcode_t       retval;
+       e2fsck_t        thread_ctx;
+
+       retval = e2fsck_pass1_thread_prepare(ctx, &thread_ctx);
+       if (retval) {
+               com_err(ctx->program_name, 0,
+                       _("while preparing pass1 thread\n"));
+               ctx->flags |= E2F_FLAG_ABORT;
+               return;
+       }
+
+#ifdef HAVE_SETJMP_H
+       /*
+        * 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 (setjmp(thread_ctx->abort_loc)) {
+               thread_ctx->flags &= ~E2F_FLAG_SETJMP_OK;
+               e2fsck_pass1_thread_join(ctx, thread_ctx);
+               return;
+       }
+       thread_ctx->flags |= E2F_FLAG_SETJMP_OK;
+#endif
+
+       e2fsck_pass1_thread(thread_ctx);
+       retval = e2fsck_pass1_thread_join(ctx, thread_ctx);
+       if (retval) {
+               com_err(ctx->program_name, 0,
+                       _("while joining pass1 thread\n"));
+               ctx->flags |= E2F_FLAG_ABORT;
+               return;
+       }
+}
+
+void e2fsck_pass1(e2fsck_t ctx)
+{
+       e2fsck_pass1_multithread(ctx);
+}
+
 #undef FINISH_INODE_LOOP
 
 /*
@@ -2003,8 +2296,9 @@ 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;
@@ -2063,20 +2357,20 @@ 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;
 }
@@ -2135,6 +2429,10 @@ 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"),
@@ -2155,14 +2453,21 @@ 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);
+       }
 }
 
 /*
@@ -2180,7 +2485,7 @@ 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);
 
@@ -2197,7 +2502,7 @@ 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;
@@ -2217,7 +2522,7 @@ 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;
@@ -2225,11 +2530,15 @@ 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;
@@ -2280,6 +2589,20 @@ 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 */
@@ -2343,8 +2666,9 @@ 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;
 
@@ -2362,30 +2686,42 @@ 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_size > EXT2_XATTR_SIZE_MAX ||
+                           (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))
+                       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;
+
+                       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);
@@ -2408,9 +2744,40 @@ 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;
@@ -2466,18 +2833,49 @@ 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 > ext2_dir_htree_level(fs)) &&
+       /* 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;
 }
 
@@ -2562,8 +2960,7 @@ 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;
@@ -2576,7 +2973,8 @@ static void scan_extent_node(e2fsck_t ctx, struct problem_context *pctx,
        if (pctx->errcode)
                return;
        if (!(ctx->options & E2F_OPT_FIXES_ONLY) &&
-           !pb->eti.force_rebuild) {
+           !pb->eti.force_rebuild &&
+           info.curr_level < MAX_EXTENT_DEPTH_COUNT) {
                struct extent_tree_level *etl;
 
                etl = pb->eti.ext_info + info.curr_level;
@@ -2615,8 +3013,9 @@ 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;
@@ -2624,14 +3023,25 @@ 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) >
                          (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
@@ -2648,7 +3058,20 @@ 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)) {
@@ -2711,6 +3134,7 @@ 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;
@@ -2718,7 +3142,8 @@ 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);
@@ -2736,7 +3161,12 @@ 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;
@@ -2828,50 +3258,29 @@ 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 */
@@ -2879,9 +3288,46 @@ alloc_later:
                                        return;
                                }
                        }
+                       if (extent.e_len > 0)
+                               pb->last_db_block = extent.e_lblk + extent.e_len - 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;
                }
-               if (is_dir && extent.e_len > 0)
-                       pb->last_db_block = blockcnt - 1;
+               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 &&
@@ -2962,13 +3408,7 @@ 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;
@@ -2981,8 +3421,6 @@ 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 */
@@ -3049,7 +3487,7 @@ 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;
@@ -3060,9 +3498,11 @@ 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.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;
@@ -3073,7 +3513,7 @@ 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;
@@ -3085,10 +3525,10 @@ 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))
@@ -3141,7 +3581,7 @@ 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);
@@ -3164,7 +3604,7 @@ 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);
                }
        }
 
@@ -3178,12 +3618,15 @@ 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))) {
+           (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, +1);
+                                 ino, (ea_ibody_quota ?
+                                       ea_ibody_quota->inodes : 0) +
+                                               ea_block_quota.inodes + 1);
        }
 
        if (!ext2fs_has_feature_huge_file(fs->super) ||
@@ -3192,11 +3635,13 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
        pb.num_blocks *= EXT2FS_CLUSTER_RATIO(fs);
 #if 0
        printf("inode %u, i_size = %u, last_block = %llu, i_blocks=%llu, num_blocks = %llu\n",
-              ino, inode->i_size, pb.last_block, ext2fs_inode_i_blocks(fs, inode),
-              pb.num_blocks);
+              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) {
-               unsigned 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 sz = 0;
@@ -3210,11 +3655,11 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx,
                                          EXT2_FLAG_IGNORE_CSUM_ERRORS) |
                                         (ctx->fs->flags &
                                          ~EXT2_FLAG_IGNORE_CSUM_ERRORS);
-                       if (err || sz != inode->i_size) {
+                       if (err || sz != size) {
                                bad_size = 7;
                                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;
@@ -3224,15 +3669,10 @@ 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])
@@ -3251,8 +3691,6 @@ 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)) {
@@ -3424,15 +3862,19 @@ 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;
@@ -3449,10 +3891,12 @@ 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) {
@@ -3618,7 +4062,7 @@ 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);
@@ -3715,7 +4159,7 @@ 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;
        }
@@ -3754,7 +4198,7 @@ static void new_table_block(e2fsck_t ctx, blk64_t first_block, dgrp_t group,
         */
        is_flexbg = ext2fs_has_feature_flex_bg(fs->super);
        if (is_flexbg) {
-               flexbg_size = 1 << fs->super->s_log_groups_per_flex;
+               flexbg_size = 1U << fs->super->s_log_groups_per_flex;
                flexbg = group / flexbg_size;
                first_block = ext2fs_group_first_block2(fs,
                                                        flexbg_size * flexbg);
@@ -3941,7 +4385,7 @@ 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.