Re: move integrity settings to queue_limits v2

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On Fri, 7 Jun 2024, Mike Snitzer wrote:

> On Fri, Jun 07, 2024 at 07:58:54AM +0200, Christoph Hellwig wrote:
> > Hi Jens, hi Martin,
> > 
> > this series converts the blk-integrity settings to sit in the queue
> > limits and be updated through the atomic queue limits API.
> > 
> > I've mostly tested this with nvme, scsi is only covered by simple
> > scsi_debug based tests.
> > 
> > For MD I found an pre-existing error handling bug when combining PI
> > capable devices with not PI capable devices.  The fix was posted here
> > (and is included in the git branch below):
> > 
> >    https://lore.kernel.org/linux-raid/20240604172607.3185916-1-hch@xxxxxx/
> > 
> > For dm-integrity my testing showed that even the baseline fails to create
> > the luks-based dm-crypto with dm-integrity backing for the authentication
> > data.  As the failure is non-fatal I've not addressed it here.
> 
> Setup is complicated. Did you test in terms of cryptsetup's testsuite?
> Or something else?
> 
> Would really like to see these changes verified to work, with no
> cryptsetup regressions, before they go in.
>  
> > Note that the support for native metadata in dm-crypt by Mikulas will
> > need a rebase on top of this, but as it already requires another
> > block layer patch and the changes in this series will simplify it a bit
> > I hope that is ok.
> 
> Should be fine, Mikulas can you verify this series to pass
> cryptsetup's testsuite before you rebase?

Yes - it passes the cryptsetup testsuite.

Mikulas

> Thanks,
> Mike
> 





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