Re: convert newly added dm-zone code to the atomic queue commit API

Re: convert newly added dm-zone code to the atomic queue commit API

[Mike Snitzer]

On Fri, May 24, 2024 at 04:29:08PM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> the new dm-zone code added by Damien in 6.10-rc directly modifies the
> queue limits instead of using the commit-style API that dm has used
> forever and that the block layer adopted now, and thus can only run
> after all the other changes have been commited.  This is quite a land
> mine and can be easily fixed.
> 
> Note that if this doesn't go into 6.10-rc we'll need a way to get this
> in before more block work in this area for 6.11, i.e. probably through
> the block tree.
> 
> Diffstat:
>  dm-table.c |   19 +++++++---------
>  dm-zone.c  |   72 +++++++++++++++++++++++++++----------------------------------
>  dm.h       |    3 +-
>  3 files changed, 44 insertions(+), 50 deletions(-)

Found a couple issues/questions in patches 1 and 3.

But once all looks good: I'm fine with these changes going through
Jens for 6.10-rc (especially in that all DM's zoned changes for 6.10
were merged through block anyway).

Mike