block: remove unused mp_bvec_last_segment

After commit 85a8ce62c2ea ("block: add bio_truncate to fix guard_bio_eod")
this function is unused, remove it.

Reviewed-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index 679a422..a81c13a 100644 (file)
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -153,26 +153,4 @@ static inline void bvec_advance(const struct bio_vec *bvec,
        }
 }
 
-/*
- * Get the last single-page segment from the multi-page bvec and store it
- * in @seg
- */
-static inline void mp_bvec_last_segment(const struct bio_vec *bvec,
-                                       struct bio_vec *seg)
-{
-       unsigned total = bvec->bv_offset + bvec->bv_len;
-       unsigned last_page = (total - 1) / PAGE_SIZE;
-
-       seg->bv_page = bvec->bv_page + last_page;
-
-       /* the whole segment is inside the last page */
-       if (bvec->bv_offset >= last_page * PAGE_SIZE) {
-               seg->bv_offset = bvec->bv_offset % PAGE_SIZE;
-               seg->bv_len = bvec->bv_len;
-       } else {
-               seg->bv_offset = 0;
-               seg->bv_len = total - last_page * PAGE_SIZE;
-       }
-}
-
 #endif /* __LINUX_BVEC_ITER_H */