void ext4fs_allocate_blocks(struct ext2_inode *file_inode,
unsigned int total_remaining_blocks,
unsigned int *total_no_of_block);
-void put_ext4(uint64_t off, void *buf, uint32_t size);
+void put_ext4(uint64_t off, const void *buf, uint32_t size);
struct ext2_block_group *ext4fs_get_group_descriptor
(const struct ext_filesystem *fs, uint32_t bg_idx);
uint64_t ext4fs_bg_get_block_id(const struct ext2_block_group *bg,