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Keyword substitution: kv
Default branch: MAIN
Current tag: DragonFly_Stable
Clean up the XIO API and structure. XIO no longer tries to 'track' partial copies into or out of an XIO. It no longer adjusts xio_offset or xio_bytes once they have been initialized. Instead, a relative offset is now passed to API calls to handle partial copies. This makes the API a lot less confusing and makes the XIO structure a lot more flexible, shareable, and more suitable for use by higher level entities (buffer cache, pipe code, upcoming MSFBUF work, etc).