Lennart Poettering
b522c4b92a
Let's use uint32_t everywhere to maintain the seqno, since that's what the kernel does. Prviously in the reply_callback logic we used 64bit, for no apparent reason. Using 32bit also provides us with the benefit that we can avoid using uint64_hash_ops, and can use trivial_hash_ops instead for the reply hashmap, so that we can store the seqno in the key pointer directly. While we are at it, let's make sure we never run into serial collisions internally (32bit is a lot, but not that much), and let's put a limit on outstanding serials, to catch programming errors.
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