Re: [PATCH] io stalls (was: -rc7 Re: Linux 2.4.21-rc6)

From: Andrea Arcangeli (
Date: Tue Jun 10 2003 - 21:10:30 EST

On Tue, Jun 10, 2003 at 09:57:11PM -0400, Chris Mason wrote:
> Ok, I see your point, we don't strictly need the waited check. I had
> added it as an optimization at first, so that those who waited once were
> not penalized by further queue_full checks.

I could taste the feeling of not penalizing while reading the code but
that's just a feeling, in reality if they blocked it means they set full
by themself and there was no request so they want to go to sleep no
matter ->full or not ;)

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