Re: [REGRESSION] "split bio_kmalloc from bio_alloc_bioset" causing crash shortly after bootup

[John Stultz]

On Mon, Feb 22, 2021 at 11:22 PM Christoph Hellwig <hch@xxxxxx> wrote:
>
> On Tue, Feb 23, 2021 at 08:04:08AM +0100, Christoph Hellwig wrote:
> > The problem is that the blk-crypto fallback code calls bio_split
> > with a NULL bioset.  That was aready broken before, as the mempool
> > needed to guarantee forward progress was missing, but is not fatal.
> >
> > Satya, can you look into adding a mempool that can guarantees forward
> > progress here?
>
> Something like this would be the minimum viable fix:

This seems to work for me!

Tested-by: John Stultz <john.stultz@xxxxxxxxxx>

thanks
-john