Re: [dm-devel] improve the bio cloning interface v2

[Mike Snitzer <snitzer@redhat.com>]

On Wed, Feb 02 2022 at 11:00P -0500,
Christoph Hellwig <hch@lst.de> wrote:

> Hi Jens,
> 
> this series changes the bio cloning interface to match the rest changes
> to the bio allocation interface and passes the block_device and operation
> to the cloning helpers.  In addition it renames the cloning helpers to
> be more descriptive.
> 
> To get there it requires a bit of refactoring in the device mapper code.
> 
> Changes since v1:
>  - rebased to the lastest for-5.18/block tree
>  - fix a fatal double initialization in device mapper
> 
> A git tree is also available here:
> 
>     git://git.infradead.org/users/hch/block.git bio_alloc-cleanup-part2
> 
> Gitweb:
> 
>     http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/bio_alloc-cleanup-part2
> 
> Diffstat:
>  Documentation/block/biodoc.rst   |    5 -
>  block/bio-integrity.c            |    1 
>  block/bio.c                      |  106 +++++++++++++-----------
>  block/blk-crypto.c               |    1 
>  block/blk-mq.c                   |    4 
>  block/bounce.c                   |    3 
>  drivers/block/drbd/drbd_req.c    |    5 -
>  drivers/block/drbd/drbd_worker.c |    4 
>  drivers/block/pktcdvd.c          |    4 
>  drivers/md/bcache/request.c      |    6 -
>  drivers/md/dm-cache-target.c     |   26 ++----
>  drivers/md/dm-crypt.c            |   11 +-
>  drivers/md/dm-zoned-target.c     |    3 
>  drivers/md/dm.c                  |  166 +++++++++++++--------------------------
>  drivers/md/md-faulty.c           |    4 
>  drivers/md/md-multipath.c        |    4 
>  drivers/md/md.c                  |    5 -
>  drivers/md/raid1.c               |   34 +++----
>  drivers/md/raid10.c              |   16 +--
>  drivers/md/raid5.c               |    4 
>  fs/btrfs/extent_io.c             |    4 
>  include/linux/bio.h              |    6 -
>  22 files changed, 183 insertions(+), 239 deletions(-)
> 

Looks good, for all:

Reviewed-by: Mike Snitzer <snitzer@redhat.com>

I have some DM core changes for 5.18 that I need to make and this
patchset offers enough DM churn that I'd like to base my changes
ontop.  So I'd appreciate it if this patchset could land in block's
for-5.18 ASAP.

Thanks,
Mike

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