Fix issues with big-endian system

include/ext4_types.h

@@ -698,19 +698,20 @@ struct ext4_extent_header {
 	((struct ext4_extent_index *)(((char *)(__hdr__)) +                    \
 				    sizeof(struct ext4_extent_header)))
 #define EXT_HAS_FREE_INDEX(__path__)                                           \
-	((__path__)->header->entries_count < (__path__)->header->max_entries_count)
+	(to_le16((__path__)->header->entries_count) <                                \
+				    to_le16((__path__)->header->max_entries_count))
 #define EXT_LAST_EXTENT(__hdr__)                                               \
-	(EXT_FIRST_EXTENT((__hdr__)) + (__hdr__)->entries_count - 1)
+	(EXT_FIRST_EXTENT((__hdr__)) + to_le16((__hdr__)->entries_count) - 1)
 #define EXT_LAST_INDEX(__hdr__)                                                \
-	(EXT_FIRST_INDEX((__hdr__)) + (__hdr__)->entries_count - 1)
+	(EXT_FIRST_INDEX((__hdr__)) + to_le16((__hdr__)->entries_count) - 1)
 #define EXT_MAX_EXTENT(__hdr__)                                                \
-	(EXT_FIRST_EXTENT((__hdr__)) + (__hdr__)->max_entries_count - 1)
+	(EXT_FIRST_EXTENT((__hdr__)) + to_le16((__hdr__)->max_entries_count) - 1)
 #define EXT_MAX_INDEX(__hdr__)                                                 \
-	(EXT_FIRST_INDEX((__hdr__)) + (__hdr__)->max_entries_count - 1)
+	(EXT_FIRST_INDEX((__hdr__)) + to_le16((__hdr__)->max_entries_count) - 1)
 
 #define EXT4_EXTENT_TAIL_OFFSET(hdr)                                           \
 	(sizeof(struct ext4_extent_header) +                                   \
-	 (sizeof(struct ext4_extent) * (hdr)->max_entries_count))
+	 (sizeof(struct ext4_extent) * to_le16((hdr)->max_entries_count)))
 
 /*
  * ext4_ext_next_allocated_block:

src/ext4_fs.c

@@ -431,7 +431,7 @@ static int ext4_fs_init_inode_table(struct ext4_block_group_ref *bg_ref)
 	struct ext4_sblock *sb = &bg_ref->fs->sb;
 	struct ext4_bgroup *bg = bg_ref->block_group;
 
-	uint32_t inode_size = ext4_get32(sb, inode_size);
+	uint32_t inode_size = ext4_get16(sb, inode_size);
 	uint32_t block_size = ext4_sb_get_block_size(sb);
 	uint32_t inodes_per_block = block_size / inode_size;
 	uint32_t inodes_in_group = ext4_inodes_in_group_cnt(sb, bg_ref->index);

src/ext4_mkfs.c

@@ -388,7 +388,7 @@ static int write_bgroups(struct ext4_blockdev *bd, struct fs_aux_info *aux_info,
 					      bg_free_blk);
 
 		ext4_bg_set_free_inodes_count(bg_desc,
-				aux_info->sb, aux_info->sb->inodes_per_group);
+				aux_info->sb, to_le32(aux_info->sb->inodes_per_group));
 
 		ext4_bg_set_used_dirs_count(bg_desc, aux_info->sb, 0);