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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/librbd/managed_lock/ReleaseRequest.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/managed_lock/ReleaseRequest.cc')
-rw-r--r-- | src/librbd/managed_lock/ReleaseRequest.cc | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/src/librbd/managed_lock/ReleaseRequest.cc b/src/librbd/managed_lock/ReleaseRequest.cc new file mode 100644 index 00000000..d74e1462 --- /dev/null +++ b/src/librbd/managed_lock/ReleaseRequest.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/managed_lock/ReleaseRequest.h" +#include "librbd/Watcher.h" +#include "cls/lock/cls_lock_client.h" +#include "cls/lock/cls_lock_types.h" +#include "common/dout.h" +#include "common/errno.h" +#include "librbd/Utils.h" + +#include "librbd/ImageCtx.h" + +#define dout_subsys ceph_subsys_rbd +#undef dout_prefix +#define dout_prefix *_dout << "librbd::managed_lock::ReleaseRequest: " \ + << this << " " << __func__ << ": " + +namespace librbd { +namespace managed_lock { + +using util::detail::C_AsyncCallback; +using util::create_context_callback; +using util::create_rados_callback; + +template <typename I> +ReleaseRequest<I>* ReleaseRequest<I>::create(librados::IoCtx& ioctx, + Watcher *watcher, + ContextWQ *work_queue, + const string& oid, + const string& cookie, + Context *on_finish) { + return new ReleaseRequest(ioctx, watcher, work_queue, oid, cookie, + on_finish); +} + +template <typename I> +ReleaseRequest<I>::ReleaseRequest(librados::IoCtx& ioctx, Watcher *watcher, + ContextWQ *work_queue, const string& oid, + const string& cookie, Context *on_finish) + : m_ioctx(ioctx), m_watcher(watcher), m_oid(oid), m_cookie(cookie), + m_on_finish(new C_AsyncCallback<ContextWQ>(work_queue, on_finish)) { +} + +template <typename I> +ReleaseRequest<I>::~ReleaseRequest() { +} + + +template <typename I> +void ReleaseRequest<I>::send() { + send_unlock(); +} + +template <typename I> +void ReleaseRequest<I>::send_unlock() { + CephContext *cct = reinterpret_cast<CephContext *>(m_ioctx.cct()); + ldout(cct, 10) << "entity=client." << m_ioctx.get_instance_id() << ", " + << "cookie=" << m_cookie << dendl; + + librados::ObjectWriteOperation op; + rados::cls::lock::unlock(&op, RBD_LOCK_NAME, m_cookie); + + using klass = ReleaseRequest; + librados::AioCompletion *rados_completion = + create_rados_callback<klass, &klass::handle_unlock>(this); + int r = m_ioctx.aio_operate(m_oid, rados_completion, &op); + ceph_assert(r == 0); + rados_completion->release(); +} + +template <typename I> +void ReleaseRequest<I>::handle_unlock(int r) { + CephContext *cct = reinterpret_cast<CephContext *>(m_ioctx.cct()); + ldout(cct, 10) << "r=" << r << dendl; + + if (r < 0 && r != -ENOENT) { + lderr(cct) << "failed to unlock: " << cpp_strerror(r) << dendl; + } + + finish(); +} + +template <typename I> +void ReleaseRequest<I>::finish() { + m_on_finish->complete(0); + delete this; +} + +} // namespace managed_lock +} // namespace librbd + +template class librbd::managed_lock::ReleaseRequest<librbd::ImageCtx>; + |