void bluesky_inode_start_sync(BlueSkyInode *inode);
-void bluesky_block_touch(BlueSkyInode *inode, uint64_t i);
+void bluesky_block_touch(BlueSkyInode *inode, uint64_t i, gboolean preserve);
void bluesky_block_fetch(BlueSkyInode *inode, BlueSkyBlock *block,
BlueSkyStoreAsync *barrier);
void bluesky_block_flush(BlueSkyInode *inode, BlueSkyBlock *block,