Re: [PATCH 12/13] loop: remove lo_refcount and avoid lo_mutex in ->open / ->release

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On Thu, Mar 24, 2022 at 06:15:18PM +0100, Christoph Hellwig wrote:
> On Thu, Mar 24, 2022 at 03:13:21PM +0100, Jan Kara wrote:
> > > Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> > 
> > Looks good but I still think we need something like attached preparatory
> > patch to not regress e.g. filesystem probing triggered by udev events. What
> > do you think?
> 
> Yes, I think it makes sense to add that.

Actually, looking at it in a little more detail: this misses the
explicit kobject_uevent calls for the capacity changes.  I think the
best idea might be something like this:

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