ceph/src/librbd/io/Types.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_LIBRBD_IO_TYPES_H
   5 #define CEPH_LIBRBD_IO_TYPES_H
   6
   7 #include "include/int_types.h"
   8 #include <map>
   9 #include <vector>
  10
  11 namespace librbd {
  12 namespace io {
  13
  14 typedef enum {
  15   AIO_TYPE_NONE = 0,
  16   AIO_TYPE_GENERIC,
  17   AIO_TYPE_OPEN,
  18   AIO_TYPE_CLOSE,
  19   AIO_TYPE_READ,
  20   AIO_TYPE_WRITE,
  21   AIO_TYPE_DISCARD,
  22   AIO_TYPE_FLUSH,
  23   AIO_TYPE_WRITESAME,
  24 } aio_type_t;
  25
  26 enum Direction {
  27   DIRECTION_READ,
  28   DIRECTION_WRITE,
  29   DIRECTION_BOTH
  30 };
  31
  32 typedef std::vector<std::pair<uint64_t, uint64_t> > Extents;
  33 typedef std::map<uint64_t, uint64_t> ExtentMap;
  34
  35 } // namespace io
  36 } // namespace librbd
  37
  38 #endif // CEPH_LIBRBD_IO_TYPES_H
  39