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Date: Tue, 6 Feb 2001 14:26:32 -0800 (PST)
From: Andre Hedrick <andre@linux-ide.org>
To: Linus Torvalds <torvalds@transmeta.com>
cc: Manfred Spraul <manfred@colorfullife.com>, Jens Axboe <axboe@suse.de>,
        Ben LaHaise <bcrl@redhat.com>, Ingo Molnar <mingo@elte.hu>,
        "Stephen C. Tweedie" <sct@redhat.com>,
        Alan Cox <alan@lxorguk.ukuu.org.uk>, Steve Lord <lord@sgi.com>,
        Linux Kernel List <linux-kernel@vger.kernel.org>,
        kiobuf-io-devel@lists.sourceforge.net, Ingo Molnar <mingo@redhat.com>
Subject: Re: [Kiobuf-io-devel] RFC: Kernel mechanism: Compound event wait
In-Reply-To: <Pine.LNX.4.10.10102061412270.1825-100000@penguin.transmeta.com>
Message-ID: <Pine.LNX.4.10.10102061424500.2656-100000@master.linux-ide.org>
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On Tue, 6 Feb 2001, Linus Torvalds wrote:

> 
> 
> On Tue, 6 Feb 2001, Manfred Spraul wrote:
> > > 
> > > The aio functions should NOT use READA/WRITEA. They should just use the
> > > normal operations, waiting for requests.
> > 
> > But then you end with lots of threads blocking in get_request()
> 
> So?
> 
> What the HELL do you expect to happen if somebody writes faster than the
> disk can take?
> 
> You don't lik ebusy-waiting. Fair enough.
> 
> So maybe blocking on a wait-queue is the right thing? Just MAYBE?

Did I miss a portion of the thread?
Is the block layer ignoring the status of a device?

--Andre

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