[dm-devel] [PATCH 7/8] dm: delay registering the gendisk

[Christoph Hellwig]

On Thu, Jul 07, 2022 at 11:29:26AM +0800, Yu Kuai wrote:
> We found that this patch fix a nullptr crash in our test:

> Do you think it's ok to backport this patch(and all realted patches) to
> lts, or it's better to fix that bio can be submitted with queue
> uninitialized from block layer?

Given how long ago this was I do not remember offhand how much prep
work this would require.  The patch itself is of course tiny and
backportable, but someone will need to do the work and figure out how
much else would have to be backported.