Re: [PATCH, RFC 11/10] block: propagate BLKROSET to all partitions

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On Tue, Nov 10, 2020 at 11:38:22PM -0500, Martin K. Petersen wrote:
> 
> Christoph,
> 
> > When setting the whole device read-only (or clearing the read-only
> > state), also update the policy for all partitions.  The s390 dasd
> > driver has awlways been doing this and it makes a lot of sense.
> 
> For your amusement, here's my attempt at addressing this from a while
> back. Can't remember exactly why this stranded, I even wrote blktests
> for it...

I added you to the Cc list because I had a vague memory that you were
looking into this area a while ago.

I actually think your patch that goes further is the right thing to do,
and I was going to look into something similar for a problem with
hardware read-only namespaces in NVMe.  I think I'll take your patch
as a starting point and will work from there.



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