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SubjectRe: [PATCH] O10int for interactivity
[changing email address; several hosts block mail from *@teleline/terra.es;
which is good if they're fighting against spam]
El Wed, 30 Jul 2003 11:36:06 +1000 Con Kolivas <kernel@kolivas.org> escribió:

> The logic is in the difference between the dynamic and the static priority to
> determine if a task is interactive.
> current->static_prio - current->prio
> will give you a number of -5 to +5, with +5 being a good bonus and vice versa.
> however you need to ensure that the value you are fiddling with in the i/o
> scheduler is actually due to the current process[1]

I think current really is the process submitting the request; at least in the
same function we've this:

if (rq_data_dir(arq->request) == READ
|| current->flags&PF_SYNCWRITE)
Which would be wrong if current isn't the process submitting the request.


Diego Calleja
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