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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+
+//class C_MDC_Recover;
+//
+#ifndef RECOVERY_QUEUE_H
+#define RECOVERY_QUEUE_H
+
+#include <set>
+
+#include "include/common_fwd.h"
+#include "osdc/Filer.h"
+
+class CInode;
+class MDSRank;
+
+class RecoveryQueue {
+public:
+ explicit RecoveryQueue(MDSRank *mds_);
+
+ void enqueue(CInode *in);
+ void advance();
+ void prioritize(CInode *in); ///< do this inode now/soon
+
+ void set_logger(PerfCounters *p) {logger=p;}
+
+private:
+ friend class C_MDC_Recover;
+
+ void _start(CInode *in); ///< start recovering this file
+ void _recovered(CInode *in, int r, uint64_t size, utime_t mtime);
+
+ size_t file_recover_queue_size = 0;
+ size_t file_recover_queue_front_size = 0;
+
+ elist<CInode*> file_recover_queue; ///< the queue
+ elist<CInode*> file_recover_queue_front; ///< elevated priority items
+ std::map<CInode*, bool> file_recovering; // inode -> need_restart
+
+ MDSRank *mds;
+ PerfCounters *logger = nullptr;
+ Filer filer;
+};
+
+#endif // RECOVERY_QUEUE_H