block: Remove integrity tagging functions

None of the filesystems appear interested in using the integrity tagging
feature. Potentially because very few storage devices actually permit
using the application tag space.

Remove the tagging functions.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 7fcb2caef559..0bf5d79d9ba0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -1472,14 +1472,10 @@ struct blk_integrity_exchg {
 
 typedef void (integrity_gen_fn) (struct blk_integrity_exchg *);
 typedef int (integrity_vrfy_fn) (struct blk_integrity_exchg *);
-typedef void (integrity_set_tag_fn) (void *, void *, unsigned int);
-typedef void (integrity_get_tag_fn) (void *, void *, unsigned int);
 
 struct blk_integrity {
         integrity_gen_fn        *generate_fn;
         integrity_vrfy_fn       *verify_fn;
-        integrity_set_tag_fn    *set_tag_fn;
-        integrity_get_tag_fn    *get_tag_fn;
 
         unsigned short          flags;
         unsigned short          tuple_size;