- while (!waiting_on_dentry.empty()) {
- compact_map<string_snap_t, list<MDSInternalContextBase*> >::iterator p = waiting_on_dentry.begin();
- dout(10) << "take_waiting dentry " << p->first.name
- << " snap " << p->first.snapid << " on " << *this << dendl;
- ls.splice(ls.end(), p->second);
- waiting_on_dentry.erase(p);
+ for (const auto &p : waiting_on_dentry) {
+ dout(10) << "take_waiting dentry " << p.first.name
+ << " snap " << p.first.snapid << " on " << *this << dendl;
+ for (const auto &waiter : p.second) {
+ ls.push_back(waiter);
+ }