import quincy beta 17.1.0

[ceph.git] / ceph / src / rocksdb / db / db_impl / db_impl_readonly.h

diff --git a/ceph/src/rocksdb/db/db_impl/db_impl_readonly.h b/ceph/src/rocksdb/db/db_impl/db_impl_readonly.h
index 04d06b4a10361bbc65af94b4e12504e696517e35..090d67d0f8be24cc3b1fa34e413e3160a0bd584c 100644 (file)
--- a/ceph/src/rocksdb/db/db_impl/db_impl_readonly.h
+++ b/ceph/src/rocksdb/db/db_impl/db_impl_readonly.h
@@ -130,6 +130,15 @@ class DBImplReadOnly : public DBImpl {
   }
 
  private:
+  // A "helper" function for DB::OpenForReadOnly without column families
+  // to reduce unnecessary I/O
+  // It has the same functionality as DB::OpenForReadOnly with column families
+  // but does not check the existence of dbname in the file system
+  static Status OpenForReadOnlyWithoutCheck(
+      const DBOptions& db_options, const std::string& dbname,
+      const std::vector<ColumnFamilyDescriptor>& column_families,
+      std::vector<ColumnFamilyHandle*>* handles, DB** dbptr,
+      bool error_if_wal_file_exists = false);
   friend class DB;
 };
 }  // namespace ROCKSDB_NAMESPACE