Re: [RFC] reduce latency in __purge_vmap_area_lazy

[Joel Fernandes]

On Mon, Oct 17, 2016 at 11:56 PM, Christoph Hellwig <hch@xxxxxx> wrote:
> Hi all,
>
> this is my spin at sorting out the long lock hold times in
> __purge_vmap_area_lazy.  It is based on the patch from Joel sent this
> week.  I don't have any good numbers for it, but it survived an
> xfstests run on XFS which is a significant vmalloc user.  The
> changelogs could still be improved as well, but I'd rather get it
> out quickly for feedback and testing.

All patches look great to me, and thanks a lot.

Regards,
Joel