Re: [Xen-devel] blkfront resource use

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 07.02.17 at 16:24, <roger.pau@xxxxxxxxxx> wrote:
> Or maybe we should just disable persistent grants by default, by setting
> xen_blkif_max_pgrants = 0. This feature doesn't scale well, and interacts 
> badly
> with other things (like indirect descriptors). The amount of code required to
> maintain this feature in a sane state is getting quite big.

This sounds very reasonable. In fact I've been surprised that one
can't even disable it in the frontend; I had to create a patch to add
a respective command line option.

Jan


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