This was only used my dm, and the last patch removed dm's use of it.
Signed-off-by: Kent Overstreet <[email protected]>
Cc: Jens Axboe <[email protected]>
---
fs/bio.c | 38 --------------------------------------
include/linux/bio.h | 1 -
2 files changed, 39 deletions(-)
diff --git a/fs/bio.c b/fs/bio.c
index 80644cc..4eeddf4 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1765,44 +1765,6 @@ struct bio_pair *bio_split(struct bio *bi, int
first_sectors)
}
EXPORT_SYMBOL(bio_split);
-/**
- * bio_sector_offset - Find hardware sector offset in bio
- * @bio: bio to inspect
- * @index: bio_vec index
- * @offset: offset in bv_page
- *
- * Return the number of hardware sectors between beginning of bio
- * and an end point indicated by a bio_vec index and an offset
- * within that vector's page.
- */
-sector_t bio_sector_offset(struct bio *bio, unsigned short index,
- unsigned int offset)
-{
- unsigned int sector_sz;
- struct bio_vec *bv;
- sector_t sectors;
- int i;
-
- sector_sz = queue_logical_block_size(bio->bi_bdev->bd_disk->queue);
- sectors = 0;
-
- if (index >= bio->bi_iter.bi_idx)
- index = bio->bi_vcnt - 1;
-
- bio_for_each_segment_all(bv, bio, i) {
- if (i == index) {
- if (offset > bv->bv_offset)
- sectors += (offset - bv->bv_offset) / sector_sz;
- break;
- }
-
- sectors += bv->bv_len / sector_sz;
- }
-
- return sectors;
-}
-EXPORT_SYMBOL(bio_sector_offset);
-
/*
* create memory pools for biovec's in a bio_set.
* use the global biovec slabs created for general use.
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 1967b64..80ffe15 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -331,7 +331,6 @@ extern int bio_add_page(struct bio *, struct page *,
unsigned int,unsigned int);
extern int bio_add_pc_page(struct request_queue *, struct bio *, struct page *,
unsigned int, unsigned int);
extern int bio_get_nr_vecs(struct block_device *);
-extern sector_t bio_sector_offset(struct bio *, unsigned short, unsigned int);
extern struct bio *bio_map_user(struct request_queue *, struct block_device *,
unsigned long, unsigned int, int, gfp_t);
struct sg_iovec;
--
1.8.1.3
--
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