Re: [PATCH v3 06/10] scsi: sd_zbc: emulate ZONE_APPEND commands

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On Sat, Mar 28, 2020 at 09:18:20AM +0000, Damien Le Moal wrote:
> OK. We can try again to see if we can keep all this WP caching in sd. The only
> pain point is the revalidation as I explained before. Everything else would stay
> pretty much the same and all be scsi specific. I will dig again to see what can
> be done.

Maybe just start with a dumb version that calls into sd where the block
layer currently updates?  Once you've got that working I can play a bit
with it and figure out if changes to disk revalidation can clean that up?
I've been wantint to turn revalidate_disk and fiends upside down for
a while as that area is rather grotty.



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