Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 55 insertions, 0 deletions

diff --git a/src/mds/RecoveryQueue.h b/src/mds/RecoveryQueue.h
new file mode 100644
index 00000000..a1e6ac48
--- /dev/null
+++ b/src/mds/RecoveryQueue.h
@@ -0,0 +1,55 @@
+// -*- 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 "osdc/Filer.h"
+
+class CInode;
+class MDSRank;
+class PerfCounters;
+
+class RecoveryQueue {
+public:
+  void enqueue(CInode *in);
+  void advance();
+  void prioritize(CInode *in);   ///< do this inode now/soon
+  explicit RecoveryQueue(MDSRank *mds_);
+
+  void set_logger(PerfCounters *p) {logger=p;}
+
+private:
+  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;
+  Filer filer;
+
+  friend class C_MDC_Recover;
+};
+
+#endif // RECOVERY_QUEUE_H