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//ext2_info:  Outputs ext2 volume information from superblock.
void ext2_info(unsigned int ata_drive)
{
	if(!is_valid_ext2(ata_drive))
	{
		fprintf(stderr, "[EXT2] Invalid ext2 filesystem on disk %d.", ata_drive);
		return;
	}
	struct ext2_superblock *superblock=malloc(sizeof(struct ext2_superblock));
	ata_read_bytes(ata_drive, (void*)superblock, sizeof(struct ext2_superblock), 1024);
	printf("EXT2 %u.%u volume with ATA number %u and volume label \"%s\" information:\n", superblock->ver_major, superblock->ver_minor, ata_drive, superblock->volume_label);
	printf("\tLast mounted on %s\n", superblock->last_mount_path);
	uint32_t block_size=1024 << superblock->block_size;
	uint32_t inode_size=1024 << superblock->inode_size;
	printf("\tFree space: %d/%d bytes (%d/%d blocks)\n", (superblock->blocks_count-superblock->unallocated_blocks_count) * block_size, superblock->blocks_count * block_size, superblock->blocks_count-superblock->unallocated_blocks_count, superblock->blocks_count);
	printf("\tFilesystem is %s\n", (superblock->fs_state==1) ? "clean" : "with errors");
	//Parse inode 2 and list root directory.
	uint32_t block_group_count = superblock->blocks_count / superblock->blocks_count_in_blk_group;
	struct ext2_block_group_descriptor *bgd=malloc(sizeof(struct ext2_block_group_descriptor) * block_group_count);
	ata_read_bytes(ata_drive, (void*)bgd, sizeof(struct ext2_block_group_descriptor) * block_group_count,
	  (block_size == 1024) ? block_size * (2+1) : block_size * (1+1));
	//get inode function:
	uint32_t inode = 2; //Root directory inode is defined to always be 2.
	uint32_t block_group = (inode - 1)  / superblock->inodes_count_in_blk_group;
	uint32_t inode_index = (inode - 1)  % superblock->inodes_count_in_blk_group;
	uint32_t block       = (inode_index * inode_size) / block_size;
	uint32_t inodes_cnt  = superblock->inodes_count_in_blk_group - bgd->unallocated_inodes_count;
	printf("\tAllocating %u bytes,\n", sizeof(struct ext2_inode));
	struct ext2_inode *inode_struct = malloc(sizeof(struct ext2_inode));
	ata_read_bytes(ata_drive, (void*)inode_struct, sizeof(struct ext2_inode) * inodes_cnt, bgd[block_group].inode_table_address * block_size + inode_index * inode_size);
	//inode_struct[inode_index].direct_block_pointers[0];
	block=block;
	printf("\tInode table is on %u, block number of root directory is %u, block size is %u\n", bgd[block_group].inode_table_address, inode_struct->direct_block_pointers[0], block_size);
	struct ext2_directory_entry *dirent = malloc(sizeof(struct ext2_directory_entry));
	uint16_t name_length = dirent->name_length_low | (dirent->type_or_name_length_high << 8);
	ata_read_bytes(ata_drive, (void*)dirent, sizeof(struct ext2_directory_entry), inode_struct->direct_block_pointers[0] * block_size + sizeof(struct ext2_directory_entry));
	dirent = realloc((void*)dirent, sizeof(struct ext2_directory_entry) + name_length);
	char *filename = malloc(name_length);
	ata_read_bytes(ata_drive, (void*)filename, name_length, inode_struct->direct_block_pointers[0] * block_size+sizeof(struct ext2_directory_entry) * 2);
	printf("Filename: %s\n", filename);
	printf("Read inode from 0x%08X\n", inode_struct->direct_block_pointers[0] * block_size + sizeof(struct ext2_directory_entry));
	for(unsigned i=0; i<sizeof(struct ext2_directory_entry) + name_length; i++)
		printf("0x%02x ", *((char*)dirent+i)); //Zeros!
	//end
}

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printf("Block group descriptor table is on byte %d from start of the disk.\n", block_size * ((block_size == 1024) ? 2 : 1));
	uint32_t block_group_count = superblock->blocks_count / superblock->blocks_count_in_blk_group;
	struct ext2_block_group_descriptor *bgd=malloc(sizeof(struct ext2_block_group_descriptor) * block_group_count);
	ata_read_bytes(ata_drive, (void*)bgd, sizeof(struct ext2_block_group_descriptor) * block_group_count,
	  block_size * ((block_size == 1024) ? 2 : 1));