On Sat, Jan 24, 2009 at 11:52:06AM -0600, Anthony Liguori wrote:
>> For use cases where you are exposing metadata from the host to the guest
>> this would be a very convenient approach indeed. As asked elsewhere in this
>> thread, my main thought would be about how well it suits a application that
>> wants a generic stream based connection between host & guest ?
>> Efficient integration into a poll(2) based event loop would be key to
>> that.
>
> You mean for a very large number of files (determining which property
> has changed?).
>
I think what Daniel means is that for file to have stream semantic it is
not enough to ignore offset on read/write, but poll also should behave
similar to how it behaves with char device fd. With regular files poll
will always report that fd is ready for I/O.
--
Gleb.
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