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Re: [Qemu-devel] [5323] Implement an fd pool to get real AIO with posix-


From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [5323] Implement an fd pool to get real AIO with posix-aio
Date: Tue, 07 Oct 2008 17:43:15 +0200
User-agent: Thunderbird 2.0.0.16 (X11/20080723)

Anthony Liguori wrote:

> The fundamental problem with posix-aio is that it limits itself to one thread
> per-file descriptor.  I don't know why this is, but this patch provides a 
> simple
> mechanism to work around this (duplicating the file descriptor).
> 
> This isn't a great solution, but it seems like a reasonable intermediate step
> between posix-aio and a custom thread-pool to replace it.

Are there plans to support vectored block requests with the thread pool
implementation?

cheers,
  Gerd




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