projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 11fdf7f2 TL |
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_IMAGE_DETACH_PARENT_REQUEST_H | |
| 5 | #define CEPH_LIBRBD_IMAGE_DETACH_PARENT_REQUEST_H | |
| 6 | ||
| 7 | #include "include/int_types.h" | |
| 8 | #include "include/buffer.h" | |
| 9 | #include "include/rados/librados.hpp" | |
| 10 | #include "librbd/Types.h" | |
| 11 | ||
| 12 | class Context; | |
| 13 | ||
| 14 | namespace librbd { | |
| 15 | ||
| 16 | class ImageCtx; | |
| 17 | ||
| 18 | namespace image { | |
| 19 | ||
| 20 | template <typename ImageCtxT = ImageCtx> | |
| 21 | class DetachParentRequest { | |
| 22 | public: | |
| 23 | static DetachParentRequest* create(ImageCtxT& image_ctx, Context* on_finish) { | |
| 24 | return new DetachParentRequest(image_ctx, on_finish); | |
| 25 | } | |
| 26 | ||
| 27 | DetachParentRequest(ImageCtxT& image_ctx, Context* on_finish) | |
| 28 | : m_image_ctx(image_ctx), m_on_finish(on_finish) { | |
| 29 | } | |
| 30 | ||
| 31 | void send(); | |
| 32 | ||
| 33 | private: | |
| 34 | /** | |
| 35 | * @verbatim | |
| 36 | * | |
| 37 | * <start> | |
| 38 | * | * * * * * * | |
| 39 | * | * * -EOPNOTSUPP | |
| 40 | * v v * | |
| 41 | * DETACH_PARENT * * * | |
| 42 | * | | |
| 43 | * v | |
| 44 | * <finish> | |
| 45 | * | |
| 46 | * @endverbatim | |
| 47 | */ | |
| 48 | ||
| 49 | ImageCtxT& m_image_ctx; | |
| 50 | Context* m_on_finish; | |
| 51 | ||
| 52 | bool m_legacy_parent = false; | |
| 53 | ||
| 54 | void detach_parent(); | |
| 55 | void handle_detach_parent(int r); | |
| 56 | ||
| 57 | void finish(int r); | |
| 58 | ||
| 59 | }; | |
| 60 | ||
| 61 | } // namespace image | |
| 62 | } // namespace librbd | |
| 63 | ||
| 64 | extern template class librbd::image::DetachParentRequest<librbd::ImageCtx>; | |
| 65 | ||
| 66 | #endif // CEPH_LIBRBD_IMAGE_DETACH_PARENT_REQUEST_H |