block: Kill bio_pair_split()

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
Cc: Jens Axboe <axboe@kernel.dk>

1 files changed, 0 insertions, 45 deletions

diff --git a/fs/bio-integrity.c b/fs/bio-integrity.c
index 9d547d2e357c..80d972d739e5 100644
--- a/fs/bio-integrity.c
+++ b/fs/bio-integrity.c
@@ -581,51 +581,6 @@ void bio_integrity_trim(struct bio *bio, unsigned int offset,
 EXPORT_SYMBOL(bio_integrity_trim);
 
 /**
- * bio_integrity_split - Split integrity metadata
- * @bio:        Protected bio
- * @bp:         Resulting bio_pair
- * @sectors:    Offset
- *
- * Description: Splits an integrity page into a bio_pair.
- */
-void bio_integrity_split(struct bio *bio, struct bio_pair *bp, int sectors)
-{
-        struct blk_integrity *bi;
-        struct bio_integrity_payload *bip = bio->bi_integrity;
-        unsigned int nr_sectors;
-
-        if (bio_integrity(bio) == 0)
-                return;
-
-        bi = bdev_get_integrity(bio->bi_bdev);
-        BUG_ON(bi == NULL);
-        BUG_ON(bip->bip_vcnt != 1);
-
-        nr_sectors = bio_integrity_hw_sectors(bi, sectors);
-
-        bp->bio1.bi_integrity = &bp->bip1;
-        bp->bio2.bi_integrity = &bp->bip2;
-
-        bp->iv1 = bip->bip_vec[bip->bip_iter.bi_idx];
-        bp->iv2 = bip->bip_vec[bip->bip_iter.bi_idx];
-
-        bp->bip1.bip_vec = &bp->iv1;
-        bp->bip2.bip_vec = &bp->iv2;
-
-        bp->iv1.bv_len = sectors * bi->tuple_size;
-        bp->iv2.bv_offset += sectors * bi->tuple_size;
-        bp->iv2.bv_len -= sectors * bi->tuple_size;
-
-        bp->bip1.bip_iter.bi_sector = bio->bi_integrity->bip_iter.bi_sector;
-        bp->bip2.bip_iter.bi_sector =
-                bio->bi_integrity->bip_iter.bi_sector + nr_sectors;
-
-        bp->bip1.bip_vcnt = bp->bip2.bip_vcnt = 1;
-        bp->bip1.bip_iter.bi_idx = bp->bip2.bip_iter.bi_idx = 0;
-}
-EXPORT_SYMBOL(bio_integrity_split);
-
-/**
  * bio_integrity_clone - Callback for cloning bios with integrity metadata
  * @bio:        New bio
  * @bio_src:    Original bio