Re: [PATCH 1/2 v5.10] dm: rearrange core declarations for extended use from dm-zone.c

[Sasha Levin <sashal@kernel.org>]

[ Sasha's backport helper bot ]

Hi,

✅ All tests passed successfully. No issues detected.
No action required from the submitter.

The upstream commit SHA1 provided is correct: e2118b3c3d94289852417f70ec128c25f4833aad

WARNING: Author mismatch between patch and upstream commit:
Backport author: Shivani Agarwal <shivani.agarwal@broadcom.com>
Commit author: Damien Le Moal <damien.lemoal@wdc.com>

Status in newer kernel trees:
6.15.y | Present (exact SHA1)
6.12.y | Present (exact SHA1)
6.6.y | Present (exact SHA1)
6.1.y | Present (exact SHA1)
5.15.y | Present (exact SHA1)

Note: The patch differs from the upstream commit:
---
1:  e2118b3c3d94 ! 1:  e83906552e29 dm: rearrange core declarations for extended use from dm-zone.c
    @@ Metadata
      ## Commit message ##
         dm: rearrange core declarations for extended use from dm-zone.c
     
    +    commit e2118b3c3d94289852417f70ec128c25f4833aad upstream.
    +
         Move the definitions of struct dm_target_io, struct dm_io and the bits
         of the flags field of struct mapped_device from dm.c to dm-core.h to
         make them usable from dm-zone.c. For the same reason, declare
    @@ Commit message
         Reviewed-by: Hannes Reinecke <hare@suse.de>
         Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
         Signed-off-by: Mike Snitzer <snitzer@redhat.com>
    +    [Shivani: Modified to apply on 5.10.y]
    +    Signed-off-by: Shivani Agarwal <shivani.agarwal@broadcom.com>
     
      ## drivers/md/dm-core.h ##
     @@ drivers/md/dm-core.h: struct mapped_device {
    @@ drivers/md/dm-core.h: struct mapped_device {
      void disable_write_same(struct mapped_device *md);
      void disable_write_zeroes(struct mapped_device *md);
     @@ drivers/md/dm-core.h: struct dm_table {
    - #endif
    + 	struct dm_md_mempools *mempools;
      };
      
     +/*
    @@ drivers/md/dm.c: struct clone_info {
     -	struct dm_target_io tio;
     -};
     -
    - #define DM_TARGET_IO_BIO_OFFSET (offsetof(struct dm_target_io, clone))
    - #define DM_IO_BIO_OFFSET \
    - 	(offsetof(struct dm_target_io, clone) + offsetof(struct dm_io, tio))
    + void *dm_per_bio_data(struct bio *bio, size_t data_size)
    + {
    + 	struct dm_target_io *tio = container_of(bio, struct dm_target_io, clone);
     @@ drivers/md/dm.c: EXPORT_SYMBOL_GPL(dm_bio_get_target_bio_nr);
      
      #define MINOR_ALLOCED ((void *)-1)

---

Results of testing on various branches:

| Branch                    | Patch Apply | Build Test |
|---------------------------|-------------|------------|
| origin/linux-5.10.y       | Success     | Success    |