1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #ifndef CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_CREATE_REQUEST_H
5 #define CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_CREATE_REQUEST_H
7 #include "include/int_types.h"
8 #include "common/bit_vector.hpp"
9 #include "librbd/object_map/Request.h"
17 namespace object_map {
19 class SnapshotCreateRequest : public Request {
22 * Snapshot create goes through the following state machine:
32 * STATE_WRITE_MAP . . . . . . .
35 * STATE_ADD_SNAPSHOT ---> <finish>
39 * The _ADD_SNAPSHOT state is skipped if the FAST_DIFF feature isn't enabled.
47 SnapshotCreateRequest(ImageCtx &image_ctx, ceph::BitVector<2> *object_map,
48 uint64_t snap_id, Context *on_finish)
49 : Request(image_ctx, snap_id, on_finish),
50 m_object_map(*object_map), m_ret_val(0) {
56 bool should_complete(int r) override;
60 ceph::BitVector<2> &m_object_map;
66 void send_write_map();
67 bool send_add_snapshot();
69 void update_object_map();
73 } // namespace object_map
76 #endif // CEPH_LIBRBD_OBJECT_MAP_SNAPSHOT_CREATE_REQUEST_H