> I have two comments about this patch. (the reqfree-batching-3)
>
> First. Couldn't it end up indefinitely starving a writer?
>
> Assume the free_list is empty [...]
I think that can also happen in 2.2.x and plain 2.4-test7.
I have a question. There is a rq queue for eache device, right ? Well
On Tue, Aug 29 2000, David Mansfield wrote:
> > This one works even better.
Good to know, thanks for testing.
> > + list_add(&req->table, &q->pending_freelist);
> > + if (++q->pending_free > 64) {
And you are right, this is best a fractional value of the total number
>
> >reqfree-batching-3Name: reqfree-batching-3
> > Type: Plain Text (text/plain)
>
> This one works even better.
>
>
> + list_add(&req->table, &q->pending_freelist);
> + if (++q->pending_free > 64) {
>^
> > Aug 26 18:09:19 Jay kernel: W 914680 252
> > Aug 26 18:09:19 Jay kernel: W 914932 8
> > Aug 26 18:09:19 Jay kernel: W 851976 4
> > Aug 26 18:09:19 Jay kernel: W 914940 252
> > Aug 26 18:09:19 Jay kernel: W 915192 4
> > Aug 26 18:09:19 Jay kernel: W 915196 252
> > Aug 26 18:09:19 J
>reqfree-batching-3Name: reqfree-batching-3
> Type: Plain Text (text/plain)
This one works even better.
+ list_add(&req->table, &q->pending_freelist);
+ if (++q->pending_free > 64) {
^
I think a fr
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