Re: Linux 2.5 / 2.6 TODO (preliminary)

From: Christopher Smith (
Date: Sun Jun 04 2000 - 13:52:01 EST

On Sun, Jun 04, 2000 at 05:46:52PM +0100, Alan Cox wrote:
> > So is there no advantage of having something like that in the kernel, to
> > allow a program to queue up many buffers for the network code to handle
> > as it can, rather than either blocking on a send() or repeatedly making
> > kernel calls on a nonblocking socket until it manages to send all its
> > data?
> You can do that with a thread from user space. In fact a lot of systems do
> most of their AIO via threads in user space.

There are advantages to having this in the kernel which are detailed
on SGI's page ( I think Stephen
Tweedie is working on enhancements to Raw I/O which include async I/O
support in the kernel. They also provide significant performance


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