diff options
| author | Kanchan Joshi <joshi.k@samsung.com> | 2024-02-01 18:31:25 +0530 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-02-12 08:49:31 -0700 |
| commit | 60d21aac52e26531affdadb7543fe5b93f58b450 (patch) | |
| tree | 0048ce8335e980a0f9d899fe61cbbb90c5ec713f /include/linux | |
| parent | 6b5c132a3f0d3b7c024ae98f0ace07c04d32cf73 (diff) | |
block: support PI at non-zero offset within metadata
Block layer integrity processing assumes that protection information
(PI) is placed in the first bytes of each metadata block.
Remove this limitation and include the metadata before the PI in the
calculation of the guard tag.
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Chinmay Gameti <c.gameti@samsung.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20240201130126.211402-3-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/blk-integrity.h | 1 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/blk-integrity.h b/include/linux/blk-integrity.h index 378b2459efe2..e253e7bd0d17 100644 --- a/include/linux/blk-integrity.h +++ b/include/linux/blk-integrity.h @@ -20,6 +20,7 @@ struct blk_integrity_iter { unsigned int data_size; unsigned short interval; unsigned char tuple_size; + unsigned char pi_offset; const char *disk_name; }; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index fac580976e3a..0058783a4c43 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -108,6 +108,7 @@ struct blk_integrity { const struct blk_integrity_profile *profile; unsigned char flags; unsigned char tuple_size; + unsigned char pi_offset; unsigned char interval_exp; unsigned char tag_size; }; |