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[TransferEngine] Clean up failed io_uring sub-batch initialization #2403

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Merged
alogfans merged 1 commit into from
Jun 12, 2026
+4 −2
Merged

[TransferEngine] Clean up failed io_uring sub-batch initialization #2403

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6 changes: 4 additions & 2 deletions mooncake-transfer-engine/tent/src/transport/io_uring/io_uring_transport.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -117,14 +117,16 @@ Status IOUringTransport::allocateSubBatch(SubBatchRef& batch, size_t max_size) {
auto io_uring_batch = Slab<IOUringSubBatch>::Get().allocate();
if (!io_uring_batch)
return Status::InternalError("Unable to allocate IO Uring sub-batch");
batch = io_uring_batch;
io_uring_batch->max_size = max_size;
io_uring_batch->task_list.reserve(max_size);
int rc = io_uring_queue_init(max_size, &io_uring_batch->ring, 0);
if (rc)
if (rc) {
Slab<IOUringSubBatch>::Get().deallocate(io_uring_batch);
return Status::InternalError(
std::string("io_uring_queue_init failed: ") + strerror(-rc) +
LOC_MARK);
}
batch = io_uring_batch;
return Status::OK();
}

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