[PATCH 01/10] block: set bip_vcnt correctly

[Christoph Hellwig]

On Sat, Apr 27, 2024 at 08:16:52AM -0600, Keith Busch wrote:
> > Please add a Fixes tag and submit it separately from the features.
> > 
> > I'm actually kinda surprised the direct user mapping of integrity data
> > survived so far without this.
> 
> The only existing use case for user metadata is REQ_OP_DRV_IN/OUT, which
> never splits, so these initial fixes only really matter after this
> series adds new usage for generic READ/WRITE.

Well, it matters to keep our contract up, even if we're not hitting it.

And apparently another user just came out of the woods in dm land..