Re: [PATCH v6 0/8] block: prepare for multipage bvecs

From: Mike Snitzer
Date: Wed Jun 01 2016 - 09:51:58 EST

On Wed, Jun 01 2016 at 9:44am -0400,
Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote:

> On Wed, Jun 01, 2016 at 08:38:41PM +0800, Ming Lei wrote:
> > > be dm-crypt.c. Maybe you've identified some indirect use of
> >
> > I mean the recently introduced BIO_MAX_SIZE in -next tree:
> >
> >
> The crazy bcache bios striking back once again. I really think it's
> harmful having a _MAX value and then having a minor driver
> reinterpreting it and sending larger ones. Until we can lift the
> maximum limit in general nad have common code exercise it we really need
> to stop bcache from sending these instead of littering the tree with
> workarounds.

So should I not push this type of fix to Linus now? I was going to send
the above commit and this one to him this week:

Instead, should bcache be made to not do what it is doing?