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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "librbd/operation/MetadataSetRequest.h"
#include "common/dout.h"
#include "common/errno.h"
#include "librbd/ImageCtx.h"
#define dout_subsys ceph_subsys_rbd
#undef dout_prefix
#define dout_prefix *_dout << "librbd::MetadataSetRequest: "
namespace librbd {
namespace operation {
template <typename I>
MetadataSetRequest<I>::MetadataSetRequest(I &image_ctx,
Context *on_finish,
const std::string &key,
const std::string &value)
: Request<I>(image_ctx, on_finish), m_key(key), m_value(value) {
}
template <typename I>
void MetadataSetRequest<I>::send_op() {
send_metadata_set();
}
template <typename I>
bool MetadataSetRequest<I>::should_complete(int r) {
I &image_ctx = this->m_image_ctx;
CephContext *cct = image_ctx.cct;
ldout(cct, 20) << this << " " << __func__ << " r=" << r << dendl;
if (r < 0) {
lderr(cct) << "encountered error: " << cpp_strerror(r) << dendl;
}
return true;
}
template <typename I>
void MetadataSetRequest<I>::send_metadata_set() {
I &image_ctx = this->m_image_ctx;
ceph_assert(image_ctx.owner_lock.is_locked());
CephContext *cct = image_ctx.cct;
ldout(cct, 20) << this << " " << __func__ << dendl;
m_data[m_key].append(m_value);
librados::ObjectWriteOperation op;
cls_client::metadata_set(&op, m_data);
librados::AioCompletion *comp = this->create_callback_completion();
int r = image_ctx.md_ctx.aio_operate(image_ctx.header_oid, comp, &op);
ceph_assert(r == 0);
comp->release();
}
} // namespace operation
} // namespace librbd
template class librbd::operation::MetadataSetRequest<librbd::ImageCtx>;
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