+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#include "librbd/object_map/ResizeRequest.h"
-#include "common/dout.h"
-#include "common/errno.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ObjectMap.h"
-#include "cls/lock/cls_lock_client.h"
-
-#define dout_subsys ceph_subsys_rbd
-#undef dout_prefix
-#define dout_prefix *_dout << "librbd::object_map::ResizeRequest: "
-
-namespace librbd {
-namespace object_map {
-
-void ResizeRequest::resize(ceph::BitVector<2> *object_map, uint64_t num_objs,
- uint8_t default_state) {
- size_t orig_object_map_size = object_map->size();
- object_map->resize(num_objs);
- for (uint64_t i = orig_object_map_size; i < object_map->size(); ++i) {
- (*object_map)[i] = default_state;
- }
-}
-
-void ResizeRequest::send() {
- CephContext *cct = m_image_ctx.cct;
-
- RWLock::WLocker l(m_image_ctx.object_map_lock);
- m_num_objs = Striper::get_num_objects(m_image_ctx.layout, m_new_size);
-
- std::string oid(ObjectMap<>::object_map_name(m_image_ctx.id, m_snap_id));
- ldout(cct, 5) << this << " resizing on-disk object map: "
- << "ictx=" << &m_image_ctx << ", "
- << "oid=" << oid << ", num_objs=" << m_num_objs << dendl;
-
- librados::ObjectWriteOperation op;
- if (m_snap_id == CEPH_NOSNAP) {
- rados::cls::lock::assert_locked(&op, RBD_LOCK_NAME, LOCK_EXCLUSIVE, "", "");
- }
- cls_client::object_map_resize(&op, m_num_objs, m_default_object_state);
-
- librados::AioCompletion *rados_completion = create_callback_completion();
- int r = m_image_ctx.md_ctx.aio_operate(oid, rados_completion, &op);
- assert(r == 0);
- rados_completion->release();
-}
-
-void ResizeRequest::finish_request() {
- RWLock::WLocker object_map_locker(m_image_ctx.object_map_lock);
-
- CephContext *cct = m_image_ctx.cct;
- ldout(cct, 5) << this << " resizing in-memory object map: "
- << m_num_objs << dendl;
-
- resize(m_object_map, m_num_objs, m_default_object_state);
-}
-
-} // namespace object_map
-} // namespace librbd