Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait

From: Jens Axboe (
Date: Thu Feb 08 2001 - 10:55:29 EST

On Thu, Feb 08 2001, Mikulas Patocka wrote:
> > Even async IO (ie aio_read/aio_write) should block on the request queue if
> > its full in Linus mind.
> This is not problem (you can create queue big enough to handle the load).

Well in theory, but in practice this isn't a very good idea. At some
point throwing yet more requests in there doesn't make a whole lot
of sense. You are basically _always_ going to be able to empty the request
list by dirtying lots of data.

Jens Axboe

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