Re: [PATCH 0/3] block: blk_interposer - Block Layer Interposer

[Hannes Reinecke]

On 12/11/20 5:33 PM, Jens Axboe wrote:
> On 12/11/20 9:30 AM, Mike Snitzer wrote:
> > While I still think there needs to be a proper _upstream_ consumer of
> > blk_interposer as a condition of it going in.. I'll let others make the
> > call.
>
> That's an unequivocal rule.
>
> > As such, I'll defer to Jens, Christoph and others on whether your
> > minimalist blk_interposer hook is acceptable in the near-term.
>
> I don't think so, we don't do short term bandaids just to plan on
> ripping that out when the real functionality is there. IMHO, the dm
> approach is the way to go - it provides exactly the functionality that
> is needed in an appropriate way, instead of hacking some "interposer"
> into the core block layer.
Which is my plan, too.

I'll be working with the Veeam folks to present a joint patchset 
(including the DM bits) for the next round.

Cheers,

Hannes
--
Dr. Hannes Reinecke                Kernel Storage Architect
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