}
EXPORT_SYMBOL(__bio_advance);
-void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
- struct bio *src, struct bvec_iter *src_iter)
-{
- while (src_iter->bi_size && dst_iter->bi_size) {
- struct bio_vec src_bv = bio_iter_iovec(src, *src_iter);
- struct bio_vec dst_bv = bio_iter_iovec(dst, *dst_iter);
- unsigned int bytes = min(src_bv.bv_len, dst_bv.bv_len);
- void *src_buf = bvec_kmap_local(&src_bv);
- void *dst_buf = bvec_kmap_local(&dst_bv);
-
- memcpy(dst_buf, src_buf, bytes);
-
- kunmap_local(dst_buf);
- kunmap_local(src_buf);
-
- bio_advance_iter_single(src, src_iter, bytes);
- bio_advance_iter_single(dst, dst_iter, bytes);
- }
-}
-EXPORT_SYMBOL(bio_copy_data_iter);
-
/**
* bio_copy_data - copy contents of data buffers from one bio to another
* @src: source bio
struct bvec_iter src_iter = src->bi_iter;
struct bvec_iter dst_iter = dst->bi_iter;
- bio_copy_data_iter(dst, &dst_iter, src, &src_iter);
+ while (src_iter.bi_size && dst_iter.bi_size) {
+ struct bio_vec src_bv = bio_iter_iovec(src, src_iter);
+ struct bio_vec dst_bv = bio_iter_iovec(dst, dst_iter);
+ unsigned int bytes = min(src_bv.bv_len, dst_bv.bv_len);
+ void *src_buf = bvec_kmap_local(&src_bv);
+ void *dst_buf = bvec_kmap_local(&dst_bv);
+
+ memcpy(dst_buf, src_buf, bytes);
+
+ kunmap_local(dst_buf);
+ kunmap_local(src_buf);
+
+ bio_advance_iter_single(src, &src_iter, bytes);
+ bio_advance_iter_single(dst, &dst_iter, bytes);
+ }
}
EXPORT_SYMBOL(bio_copy_data);
extern void bio_set_pages_dirty(struct bio *bio);
extern void bio_check_pages_dirty(struct bio *bio);
-extern void bio_copy_data_iter(struct bio *dst, struct bvec_iter *dst_iter,
- struct bio *src, struct bvec_iter *src_iter);
extern void bio_copy_data(struct bio *dst, struct bio *src);
extern void bio_free_pages(struct bio *bio);
void guard_bio_eod(struct bio *bio);