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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/librbd/io/ImageDispatchSpec.cc | |
parent | Initial commit. (diff) | |
download | ceph-b26c4052f3542036551aa9dec9caa4226e456195.tar.xz ceph-b26c4052f3542036551aa9dec9caa4226e456195.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/io/ImageDispatchSpec.cc')
-rw-r--r-- | src/librbd/io/ImageDispatchSpec.cc | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/librbd/io/ImageDispatchSpec.cc b/src/librbd/io/ImageDispatchSpec.cc new file mode 100644 index 000000000..95d8224ae --- /dev/null +++ b/src/librbd/io/ImageDispatchSpec.cc @@ -0,0 +1,54 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "librbd/io/ImageDispatchSpec.h" +#include "librbd/ImageCtx.h" +#include "librbd/io/AioCompletion.h" +#include "librbd/io/ImageRequest.h" +#include "librbd/io/ImageDispatcherInterface.h" +#include <boost/variant.hpp> + +namespace librbd { +namespace io { + +void ImageDispatchSpec::C_Dispatcher::complete(int r) { + switch (image_dispatch_spec->dispatch_result) { + case DISPATCH_RESULT_RESTART: + ceph_assert(image_dispatch_spec->dispatch_layer != 0); + image_dispatch_spec->dispatch_layer = static_cast<ImageDispatchLayer>( + image_dispatch_spec->dispatch_layer - 1); + [[fallthrough]]; + case DISPATCH_RESULT_CONTINUE: + if (r < 0) { + // bubble dispatch failure through AioCompletion + image_dispatch_spec->dispatch_result = DISPATCH_RESULT_COMPLETE; + image_dispatch_spec->fail(r); + return; + } + + image_dispatch_spec->send(); + break; + case DISPATCH_RESULT_COMPLETE: + finish(r); + break; + case DISPATCH_RESULT_INVALID: + ceph_abort(); + break; + } +} + +void ImageDispatchSpec::C_Dispatcher::finish(int r) { + delete image_dispatch_spec; +} + +void ImageDispatchSpec::send() { + image_dispatcher->send(this); +} + +void ImageDispatchSpec::fail(int r) { + dispatch_result = DISPATCH_RESULT_COMPLETE; + aio_comp->fail(r); +} + +} // namespace io +} // namespace librbd |