X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FEnableFeaturesRequest.h;fp=src%2Fceph%2Fsrc%2Flibrbd%2Foperation%2FEnableFeaturesRequest.h;h=0000000000000000000000000000000000000000;hb=7da45d65be36d36b880cc55c5036e96c24b53f00;hp=1c91b4dc72a2304598afdac61cd8d1e093d3beae;hpb=691462d09d0987b47e112d6ee8740375df3c51b2;p=stor4nfv.git diff --git a/src/ceph/src/librbd/operation/EnableFeaturesRequest.h b/src/ceph/src/librbd/operation/EnableFeaturesRequest.h deleted file mode 100644 index 1c91b4d..0000000 --- a/src/ceph/src/librbd/operation/EnableFeaturesRequest.h +++ /dev/null @@ -1,135 +0,0 @@ -// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- -// vim: ts=8 sw=2 smarttab - -#ifndef CEPH_LIBRBD_OPERATION_ENABLE_FEATURES_REQUEST_H -#define CEPH_LIBRBD_OPERATION_ENABLE_FEATURES_REQUEST_H - -#include "librbd/operation/Request.h" - -class Context; - -namespace librbd { - -class ImageCtx; - -namespace operation { - -template -class EnableFeaturesRequest : public Request { -public: - static EnableFeaturesRequest *create(ImageCtxT &image_ctx, Context *on_finish, - uint64_t journal_op_tid, - uint64_t features) { - return new EnableFeaturesRequest(image_ctx, on_finish, journal_op_tid, - features); - } - - EnableFeaturesRequest(ImageCtxT &image_ctx, Context *on_finish, - uint64_t journal_op_tid, uint64_t features); - -protected: - void send_op() override; - bool should_complete(int r) override; - bool can_affect_io() const override { - return true; - } - journal::Event create_event(uint64_t op_tid) const override { - return journal::UpdateFeaturesEvent(op_tid, m_features, true); - } - -private: - /** - * EnableFeatures goes through the following state machine: - * - * @verbatim - * - * - * | - * v - * STATE_PREPARE_LOCK - * | - * v - * STATE_BLOCK_WRITES - * | - * v - * STATE_GET_MIRROR_MODE - * | - * v - * STATE_CREATE_JOURNAL (skip if not - * | required) - * v - * STATE_APPEND_OP_EVENT (skip if journaling - * | disabled) - * v - * STATE_UPDATE_FLAGS - * | - * v - * STATE_SET_FEATURES - * | - * v - * STATE_CREATE_OBJECT_MAP (skip if not - * | required) - * v - * STATE_ENABLE_MIRROR_IMAGE - * | - * V - * STATE_NOTIFY_UPDATE - * | - * | (unblock writes) - * v - * - * @endverbatim - * - */ - - uint64_t m_features; - - bool m_enable_mirroring = false; - bool m_requests_blocked = false; - bool m_writes_blocked = false; - - uint64_t m_new_features = 0; - uint64_t m_enable_flags = 0; - uint64_t m_features_mask = 0; - - bufferlist m_out_bl; - - void send_prepare_lock(); - Context *handle_prepare_lock(int *result); - - void send_block_writes(); - Context *handle_block_writes(int *result); - - void send_get_mirror_mode(); - Context *handle_get_mirror_mode(int *result); - - void send_create_journal(); - Context *handle_create_journal(int *result); - - void send_append_op_event(); - Context *handle_append_op_event(int *result); - - void send_update_flags(); - Context *handle_update_flags(int *result); - - void send_set_features(); - Context *handle_set_features(int *result); - - void send_create_object_map(); - Context *handle_create_object_map(int *result); - - void send_enable_mirror_image(); - Context *handle_enable_mirror_image(int *result); - - void send_notify_update(); - Context *handle_notify_update(int *result); - - Context *handle_finish(int r); -}; - -} // namespace operation -} // namespace librbd - -extern template class librbd::operation::EnableFeaturesRequest; - -#endif // CEPH_LIBRBD_OPERATION_ENABLE_FEATURES_REQUEST_H