Add workaround for current kernel bug related to WRITEV and IOSEQ_ASYNC
Motivation: There is currently a bug in the kernel that let WRITEV sometimes fail when IOSEQ_ASYNC is enabled Modifications: Don't use IOSEQ_ASYNC for WRITEV for now Result: Tests pass
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@ -137,7 +137,10 @@ final class IOUringSubmissionQueue {
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}
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}
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// TODO: Make it configurable if we should use this flag or not.
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// TODO: Make it configurable if we should use this flag or not.
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PlatformDependent.putByte(sqe + SQE_FLAGS_FIELD, (byte) Native.IOSQE_ASYNC);
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PlatformDependent.putByte(sqe + SQE_FLAGS_FIELD,
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// Workaround for a kernel bug:
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// See https://lore.kernel.org/io-uring/6428c1ee0234105d18c5e3e88aa00c57@nickhill.org/T/#t
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(byte) (op != Native.IORING_OP_WRITEV ? Native.IOSQE_ASYNC : 0));
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// pad field array -> all fields should be zero
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// pad field array -> all fields should be zero
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long offsetIndex = 0;
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long offsetIndex = 0;
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