ceph/src/os/bluestore/FreelistManager.cc

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #include "FreelistManager.h"
   5 #include "BitmapFreelistManager.h"
   6
   7 FreelistManager *FreelistManager::create(
   8   CephContext* cct,
   9   string type,
  10   KeyValueDB *kvdb,
  11   string prefix)
  12 {
  13   // a bit of a hack... we hard-code the prefixes here.  we need to
  14   // put the freelistmanagers in different prefixes because the merge
  15   // op is per prefix, has to done pre-db-open, and we don't know the
  16   // freelist type until after we open the db.
  17   assert(prefix == "B");
  18   if (type == "bitmap")
  19     return new BitmapFreelistManager(cct, kvdb, "B", "b");
  20   return NULL;
  21 }
  22
  23 void FreelistManager::setup_merge_operators(KeyValueDB *db)
  24 {
  25   BitmapFreelistManager::setup_merge_operator(db, "b");
  26 }