From 1784ef96f474ccc9a7f2d8ea8d6ce90daddd1fdb Mon Sep 17 00:00:00 2001
From: Greg Farnum <greg@inktank.com>
Date: Tue, 1 Oct 2013 12:48:48 -0700
Subject: [PATCH] ReplicatedPG: copy: split up the transaction generation from
 the PG management

Signed-off-by: Greg Farnum <greg@inktank.com>
---
 src/osd/ReplicatedPG.cc | 28 ++++++++++++++++++++--------
 src/osd/ReplicatedPG.h  |  2 ++
 2 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/src/osd/ReplicatedPG.cc b/src/osd/ReplicatedPG.cc
index c3a572509bccb..efc1cf8f603a0 100644
--- a/src/osd/ReplicatedPG.cc
+++ b/src/osd/ReplicatedPG.cc
@@ -4517,16 +4517,12 @@ void ReplicatedPG::_write_copy_chunk(CopyOpRef cop, ObjectStore::Transaction *t)
   cop->temp_cursor = cop->cursor;
 }
 
-int ReplicatedPG::finish_copy(OpContext *ctx)
+void ReplicatedPG::_build_finish_copy_transaction(CopyOpRef cop,
+                                                  ObjectStore::Transaction& t)
 {
-  CopyOpRef cop = ctx->copy_op;
-  ObjectState& obs = ctx->new_obs;
-  ObjectStore::Transaction& t = ctx->op_t;
+  ObjectState& obs = cop->obc->obs;
 
-  if (!obs.exists) {
-    ctx->delta_stats.num_objects++;
-    obs.exists = true;
-  } else {
+  if (obs.exists) {
     t.remove(coll, obs.oi.soid);
   }
 
@@ -4540,9 +4536,25 @@ int ReplicatedPG::finish_copy(OpContext *ctx)
     _write_copy_chunk(cop, &t);
     t.collection_move_rename(cop->temp_coll, cop->temp_oid, coll, obs.oi.soid);
     pgbackend->clear_temp_obj(cop->temp_oid);
+  }
+}
+
+int ReplicatedPG::finish_copy(OpContext *ctx)
+{
+  CopyOpRef cop = ctx->copy_op;
+  ObjectState& obs = ctx->new_obs;
+  ObjectStore::Transaction& t = ctx->op_t;
+
+  if (!ctx->obs->exists) {
+    ctx->delta_stats.num_objects++;
+    obs.exists = true;
+  }
+  if (cop->temp_cursor.is_initial()) {
     ctx->discard_temp_oid = cop->temp_oid;
   }
 
+  _build_finish_copy_transaction(cop, t);
+
   interval_set<uint64_t> ch;
   if (obs.oi.size > 0)
     ch.insert(0, obs.oi.size);
diff --git a/src/osd/ReplicatedPG.h b/src/osd/ReplicatedPG.h
index e4f6848d6c03f..c4384e340579e 100644
--- a/src/osd/ReplicatedPG.h
+++ b/src/osd/ReplicatedPG.h
@@ -731,6 +731,8 @@ protected:
   void process_copy_chunk(hobject_t oid, tid_t tid, int r);
   void _write_copy_chunk(CopyOpRef cop, ObjectStore::Transaction *t);
   void _copy_some(ObjectContextRef obc, CopyOpRef cop);
+  void _build_finish_copy_transaction(CopyOpRef cop,
+                                      ObjectStore::Transaction& t);
   int finish_copy(OpContext *ctx);
   void cancel_copy(CopyOpRef cop);
   void cancel_copy_ops();
-- 
2.39.5