summaryrefslogtreecommitdiffstats
path: root/src/librbd/image/CreateRequest.h
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/librbd/image/CreateRequest.h
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/image/CreateRequest.h')
-rw-r--r--src/librbd/image/CreateRequest.h191
1 files changed, 191 insertions, 0 deletions
diff --git a/src/librbd/image/CreateRequest.h b/src/librbd/image/CreateRequest.h
new file mode 100644
index 000000000..9cb0eec7c
--- /dev/null
+++ b/src/librbd/image/CreateRequest.h
@@ -0,0 +1,191 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_IMAGE_CREATE_REQUEST_H
+#define CEPH_LIBRBD_IMAGE_CREATE_REQUEST_H
+
+#include "common/config_fwd.h"
+#include "include/int_types.h"
+#include "include/buffer.h"
+#include "include/rados/librados.hpp"
+#include "include/rbd/librbd.hpp"
+#include "cls/rbd/cls_rbd_types.h"
+#include "librbd/ImageCtx.h"
+
+class Context;
+
+using librados::IoCtx;
+
+namespace journal { class Journaler; }
+
+namespace librbd {
+
+namespace asio { struct ContextWQ; }
+
+namespace image {
+
+template <typename ImageCtxT = ImageCtx>
+class CreateRequest {
+public:
+ static CreateRequest *create(const ConfigProxy& config, IoCtx &ioctx,
+ const std::string &image_name,
+ const std::string &image_id, uint64_t size,
+ const ImageOptions &image_options,
+ uint32_t create_flags,
+ cls::rbd::MirrorImageMode mirror_image_mode,
+ const std::string &non_primary_global_image_id,
+ const std::string &primary_mirror_uuid,
+ asio::ContextWQ *op_work_queue,
+ Context *on_finish) {
+ return new CreateRequest(config, ioctx, image_name, image_id, size,
+ image_options, create_flags,
+ mirror_image_mode, non_primary_global_image_id,
+ primary_mirror_uuid, op_work_queue, on_finish);
+ }
+
+ static int validate_order(CephContext *cct, uint8_t order);
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start> . . . . > . . . . .
+ * | .
+ * v .
+ * VALIDATE DATA POOL v (pool validation
+ * | . disabled)
+ * v .
+ * (error: bottom up) ADD IMAGE TO DIRECTORY < . . . .
+ * _______<_______ |
+ * | | v
+ * | | CREATE ID OBJECT
+ * | | / |
+ * | REMOVE FROM DIR <-------/ v
+ * | | NEGOTIATE FEATURES (when using default features)
+ * | | |
+ * | | v (stripingv2 disabled)
+ * | | CREATE IMAGE. . . . > . . . .
+ * v | / | .
+ * | REMOVE ID OBJ <---------/ v .
+ * | | SET STRIPE UNIT COUNT .
+ * | | / | \ . . . . . > . . . .
+ * | REMOVE HEADER OBJ<------/ v /. (object-map
+ * | |\ OBJECT MAP RESIZE . . < . . * v disabled)
+ * | | \ / | \ . . . . . > . . . .
+ * | | *<-----------/ v /. (journaling
+ * | | FETCH MIRROR MODE. . < . . * v disabled)
+ * | | / | .
+ * | REMOVE OBJECT MAP<--------/ v .
+ * | |\ JOURNAL CREATE .
+ * | | \ / | .
+ * v | *<------------/ v .
+ * | | MIRROR IMAGE ENABLE .
+ * | | / | .
+ * | JOURNAL REMOVE*<-------/ | .
+ * | v .
+ * |_____________>___________________<finish> . . . . < . . . .
+ *
+ * @endverbatim
+ */
+
+ CreateRequest(const ConfigProxy& config, IoCtx &ioctx,
+ const std::string &image_name,
+ const std::string &image_id, uint64_t size,
+ const ImageOptions &image_options,
+ uint32_t create_flags,
+ cls::rbd::MirrorImageMode mirror_image_mode,
+ const std::string &non_primary_global_image_id,
+ const std::string &primary_mirror_uuid,
+ asio::ContextWQ *op_work_queue, Context *on_finish);
+
+ const ConfigProxy& m_config;
+ IoCtx m_io_ctx;
+ IoCtx m_data_io_ctx;
+ std::string m_image_name;
+ std::string m_image_id;
+ uint64_t m_size;
+ uint8_t m_order = 0;
+ uint64_t m_features = 0;
+ uint64_t m_stripe_unit = 0;
+ uint64_t m_stripe_count = 0;
+ uint8_t m_journal_order = 0;
+ uint8_t m_journal_splay_width = 0;
+ std::string m_journal_pool;
+ std::string m_data_pool;
+ int64_t m_data_pool_id = -1;
+ uint32_t m_create_flags;
+ cls::rbd::MirrorImageMode m_mirror_image_mode;
+ const std::string m_non_primary_global_image_id;
+ const std::string m_primary_mirror_uuid;
+ bool m_negotiate_features = false;
+
+ asio::ContextWQ *m_op_work_queue;
+ Context *m_on_finish;
+
+ CephContext *m_cct;
+ int m_r_saved = 0; // used to return actual error after cleanup
+ file_layout_t m_layout;
+ std::string m_id_obj, m_header_obj, m_objmap_name;
+
+ bufferlist m_outbl;
+ cls::rbd::MirrorMode m_mirror_mode = cls::rbd::MIRROR_MODE_DISABLED;
+ cls::rbd::MirrorImage m_mirror_image_internal;
+
+ void validate_data_pool();
+ void handle_validate_data_pool(int r);
+
+ void add_image_to_directory();
+ void handle_add_image_to_directory(int r);
+
+ void create_id_object();
+ void handle_create_id_object(int r);
+
+ void negotiate_features();
+ void handle_negotiate_features(int r);
+
+ void create_image();
+ void handle_create_image(int r);
+
+ void set_stripe_unit_count();
+ void handle_set_stripe_unit_count(int r);
+
+ void object_map_resize();
+ void handle_object_map_resize(int r);
+
+ void fetch_mirror_mode();
+ void handle_fetch_mirror_mode(int r);
+
+ void journal_create();
+ void handle_journal_create(int r);
+
+ void mirror_image_enable();
+ void handle_mirror_image_enable(int r);
+
+ void complete(int r);
+
+ // cleanup
+ void journal_remove();
+ void handle_journal_remove(int r);
+
+ void remove_object_map();
+ void handle_remove_object_map(int r);
+
+ void remove_header_object();
+ void handle_remove_header_object(int r);
+
+ void remove_id_object();
+ void handle_remove_id_object(int r);
+
+ void remove_from_dir();
+ void handle_remove_from_dir(int r);
+
+};
+
+} //namespace image
+} //namespace librbd
+
+extern template class librbd::image::CreateRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_IMAGE_CREATE_REQUEST_H