On Friday 31 August 2007 14:41, Alasdair G Kergon wrote:
> On Thu, Aug 30, 2007 at 04:20:35PM -0700, Daniel Phillips wrote:
> > Resubmitting a bio or submitting a dependent bio from
> > inside a block driver does not need to be throttled because all
> > resources required to guarantee completion must have been obtained
> > _before_ the bio was allowed to proceed into the block layer.
>
> I'm toying with the idea of keeping track of the maximum device stack
> depth for each stacked device, and only permitting it to increase in
> controlled circumstances.
Hi Alasdair,
What kind of circumstances did you have in mind?
Regards,
Daniel
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