void add_need_snapflush(CInode *snapin, snapid_t snapid, client_t client);
void remove_need_snapflush(CInode *snapin, snapid_t snapid, client_t client);
- bool split_need_snapflush(CInode *cowin, CInode *in);
+ pair<bool,bool> split_need_snapflush(CInode *cowin, CInode *in);
protected: