diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/librbd/object_map/CreateRequest.cc | |
parent | Initial commit. (diff) | |
download | ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/object_map/CreateRequest.cc')
-rw-r--r-- | src/librbd/object_map/CreateRequest.cc | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/librbd/object_map/CreateRequest.cc b/src/librbd/object_map/CreateRequest.cc new file mode 100644 index 00000000..a2b9d8f6 --- /dev/null +++ b/src/librbd/object_map/CreateRequest.cc @@ -0,0 +1,94 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "librbd/object_map/CreateRequest.h" +#include "include/ceph_assert.h" +#include "common/dout.h" +#include "common/errno.h" +#include "cls/rbd/cls_rbd_client.h" +#include "osdc/Striper.h" +#include "librbd/ImageCtx.h" +#include "librbd/ObjectMap.h" +#include "librbd/Utils.h" + +#define dout_subsys ceph_subsys_rbd +#undef dout_prefix +#define dout_prefix *_dout << "librbd::object_map::CreateRequest: " + +namespace librbd { +namespace object_map { + +using util::create_context_callback; +using util::create_rados_callback; + +template <typename I> +CreateRequest<I>::CreateRequest(I *image_ctx, Context *on_finish) + : m_image_ctx(image_ctx), m_on_finish(on_finish) { +} + +template <typename I> +void CreateRequest<I>::send() { + CephContext *cct = m_image_ctx->cct; + + uint64_t max_size = m_image_ctx->size; + + { + RWLock::WLocker snap_locker(m_image_ctx->snap_lock); + m_snap_ids.push_back(CEPH_NOSNAP); + for (auto it : m_image_ctx->snap_info) { + max_size = std::max(max_size, it.second.size); + m_snap_ids.push_back(it.first); + } + + if (ObjectMap<>::is_compatible(m_image_ctx->layout, max_size)) { + send_object_map_resize(); + return; + } + } + + lderr(cct) << "image size not compatible with object map" << dendl; + m_on_finish->complete(-EINVAL); +} + +template <typename I> +void CreateRequest<I>::send_object_map_resize() { + CephContext *cct = m_image_ctx->cct; + ldout(cct, 20) << __func__ << dendl; + + Context *ctx = create_context_callback< + CreateRequest<I>, &CreateRequest<I>::handle_object_map_resize>(this); + C_Gather *gather_ctx = new C_Gather(cct, ctx); + + for (auto snap_id : m_snap_ids) { + librados::ObjectWriteOperation op; + uint64_t snap_size = m_image_ctx->get_image_size(snap_id); + + cls_client::object_map_resize(&op, Striper::get_num_objects( + m_image_ctx->layout, snap_size), + OBJECT_NONEXISTENT); + + std::string oid(ObjectMap<>::object_map_name(m_image_ctx->id, snap_id)); + librados::AioCompletion *comp = create_rados_callback(gather_ctx->new_sub()); + int r = m_image_ctx->md_ctx.aio_operate(oid, comp, &op); + ceph_assert(r == 0); + comp->release(); + } + gather_ctx->activate(); +} + +template <typename I> +Context *CreateRequest<I>::handle_object_map_resize(int *result) { + CephContext *cct = m_image_ctx->cct; + ldout(cct, 20) << __func__ << ": r=" << *result << dendl; + + if (*result < 0) { + lderr(cct) << "object map resize failed: " << cpp_strerror(*result) + << dendl; + } + return m_on_finish; +} + +} // namespace object_map +} // namespace librbd + +template class librbd::object_map::CreateRequest<librbd::ImageCtx>; |