Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

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

1 files changed, 199 insertions, 0 deletions

diff --git a/src/messages/MOSDRepOp.h b/src/messages/MOSDRepOp.h
new file mode 100644
index 000000000..5ecec0007
--- /dev/null
+++ b/src/messages/MOSDRepOp.h
@@ -0,0 +1,199 @@
+// -*- 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.
+ *
+ */
+
+
+#ifndef CEPH_MOSDREPOP_H
+#define CEPH_MOSDREPOP_H
+
+#include "MOSDFastDispatchOp.h"
+
+/*
+ * OSD sub op - for internal ops on pobjects between primary and replicas(/stripes/whatever)
+ */
+
+class MOSDRepOp final : public MOSDFastDispatchOp {
+private:
+  static constexpr int HEAD_VERSION = 3;
+  static constexpr int COMPAT_VERSION = 1;
+
+public:
+  epoch_t map_epoch, min_epoch;
+
+  // metadata from original request
+  osd_reqid_t reqid;
+
+  spg_t pgid;
+
+  ceph::buffer::list::const_iterator p;
+  // Decoding flags. Decoding is only needed for messages caught by pipe reader.
+  bool final_decode_needed;
+
+  // subop
+  pg_shard_t from;
+  hobject_t poid;
+
+  __u8 acks_wanted;
+
+  // transaction to exec
+  ceph::buffer::list logbl;
+  pg_stat_t pg_stats;
+
+  // subop metadata
+  eversion_t version;
+
+  // piggybacked osd/og state
+  eversion_t pg_trim_to;   // primary->replica: trim to here
+  eversion_t min_last_complete_ondisk; // lower bound on committed version
+
+  hobject_t new_temp_oid;      ///< new temp object that we must now start tracking
+  hobject_t discard_temp_oid;  ///< previously used temp object that we can now stop tracking
+
+  /// non-empty if this transaction involves a hit_set history update
+  std::optional<pg_hit_set_history_t> updated_hit_set_history;
+
+  epoch_t get_map_epoch() const override {
+    return map_epoch;
+  }
+  epoch_t get_min_epoch() const override {
+    return min_epoch;
+  }
+  spg_t get_spg() const override {
+    return pgid;
+  }
+
+  int get_cost() const override {
+    return data.length();
+  }
+
+  void decode_payload() override {
+    using ceph::decode;
+    p = payload.cbegin();
+    // split to partial and final
+    decode(map_epoch, p);
+    if (header.version >= 2) {
+      decode(min_epoch, p);
+      decode_trace(p);
+    } else {
+      min_epoch = map_epoch;
+    }
+    decode(reqid, p);
+    decode(pgid, p);
+  }
+
+  void finish_decode() {
+    using ceph::decode;
+    if (!final_decode_needed)
+      return; // Message is already final decoded
+    decode(poid, p);
+
+    decode(acks_wanted, p);
+    decode(version, p);
+    decode(logbl, p);
+    decode(pg_stats, p);
+    decode(pg_trim_to, p);
+
+
+    decode(new_temp_oid, p);
+    decode(discard_temp_oid, p);
+
+    decode(from, p);
+    decode(updated_hit_set_history, p);
+
+    if (header.version >= 3) {
+      decode(min_last_complete_ondisk, p);
+    } else {
+      /* This field used to mean pg_roll_foward_to, but ReplicatedBackend
+       * simply assumes that we're rolling foward to version. */
+      eversion_t pg_roll_forward_to;
+      decode(pg_roll_forward_to, p);
+    }
+    final_decode_needed = false;
+  }
+
+  void encode_payload(uint64_t features) override {
+    using ceph::encode;
+    encode(map_epoch, payload);
+    if (HAVE_FEATURE(features, SERVER_LUMINOUS)) {
+      header.version = HEAD_VERSION;
+      encode(min_epoch, payload);
+      encode_trace(payload, features);
+    } else {
+      header.version = 1;
+    }
+    encode(reqid, payload);
+    encode(pgid, payload);
+    encode(poid, payload);
+
+    encode(acks_wanted, payload);
+    encode(version, payload);
+    encode(logbl, payload);
+    encode(pg_stats, payload);
+    encode(pg_trim_to, payload);
+    encode(new_temp_oid, payload);
+    encode(discard_temp_oid, payload);
+    encode(from, payload);
+    encode(updated_hit_set_history, payload);
+    encode(min_last_complete_ondisk, payload);
+  }
+
+  MOSDRepOp()
+    : MOSDFastDispatchOp{MSG_OSD_REPOP, HEAD_VERSION, COMPAT_VERSION},
+      map_epoch(0),
+      final_decode_needed(true), acks_wanted (0) {}
+  MOSDRepOp(osd_reqid_t r, pg_shard_t from,
+	    spg_t p, const hobject_t& po, int aw,
+	    epoch_t mape, epoch_t min_epoch, ceph_tid_t rtid, eversion_t v)
+    : MOSDFastDispatchOp{MSG_OSD_REPOP, HEAD_VERSION, COMPAT_VERSION},
+      map_epoch(mape),
+      min_epoch(min_epoch),
+      reqid(r),
+      pgid(p),
+      final_decode_needed(false),
+      from(from),
+      poid(po),
+      acks_wanted(aw),
+      version(v) {
+    set_tid(rtid);
+  }
+
+  void set_rollback_to(const eversion_t &rollback_to) {
+    header.version = 2;
+    min_last_complete_ondisk = rollback_to;
+  }
+private:
+  ~MOSDRepOp() final {}
+
+public:
+  std::string_view get_type_name() const override { return "osd_repop"; }
+  void print(std::ostream& out) const override {
+    out << "osd_repop(" << reqid
+	<< " " << pgid << " e" << map_epoch << "/" << min_epoch;
+    if (!final_decode_needed) {
+      out << " " << poid << " v " << version;
+      if (updated_hit_set_history)
+        out << ", has_updated_hit_set_history";
+      if (header.version < 3) {
+	out << ", rollback_to(legacy)=" << min_last_complete_ondisk;
+      } else {
+	out << ", mlcod=" << min_last_complete_ondisk;
+      }
+    }
+    out << ")";
+  }
+private:
+  template<class T, typename... Args>
+  friend boost::intrusive_ptr<T> ceph::make_message(Args&&... args);
+};
+
+#endif