void bluesky_block_touch(BlueSkyInode *inode, uint64_t i);
void bluesky_block_fetch(BlueSkyFS *fs, BlueSkyBlock *block);
-void bluesky_block_flush(BlueSkyFS *fs, BlueSkyBlock *block);
-void bluesky_file_flush(BlueSkyInode *inode);
void bluesky_file_truncate(BlueSkyInode *inode, uint64_t size);
void bluesky_file_write(BlueSkyInode *inode, uint64_t offset,
const char *data, gint len);