SERVER-6558 Add writeConcern option to findAndModify command

1 files changed, 17 insertions, 0 deletions

diff --git a/src/mongo/db/write_concern.h b/src/mongo/db/write_concern.h
index 98d7893a2e1..19513e4f969 100644
--- a/src/mongo/db/write_concern.h
+++ b/src/mongo/db/write_concern.h
@@ -34,6 +34,23 @@
 namespace mongo {
 
     class OperationContext;
+    template <typename T> class StatusWith;
+
+    /**
+     * If "writeConcern" indicates a durable commit level,
+     * marks the RecoveryUnit associated with "txn" appropriately.
+     * Provides a hint to the storage engine that
+     * particular operations will be waiting for their changes to become durable.
+     */
+    void setupSynchronousCommit(const WriteConcernOptions& writeConcern,
+                                OperationContext* txn);
+
+    /**
+     * Attempts to extract a writeConcern from cmdObj.
+     * Verifies that the writeConcern is of type Object (BSON type) and
+     * that the resulting writeConcern is valid for this particular host.
+     */
+    StatusWith<WriteConcernOptions> extractWriteConcern(const BSONObj& cmdObj);
 
     /**
      * Verifies that a WriteConcern is valid for this particular host.