Inflight I/O: Fix the memory layout of queue region header #88
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As defined in the vhost-user protocol[1], the last field of queue region
header should be a zero-sized array. However, current implementation uses
u64, which will cause a wrong inflight I/O memfd memory layout. So, let's
just remove the desc fileds to fix it.
[1]
https://qemu-project.gitlab.io/qemu/interop/vhost-user.html#inflight-i-o-tracking
Signed-off-by: Jiachen Zhang zhangjiachen.jaycee@bytedance.com