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-rw-r--r--mm/iov_iter.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/mm/iov_iter.c b/mm/iov_iter.c
index a1599ca4ab0e..827732047da1 100644
--- a/mm/iov_iter.c
+++ b/mm/iov_iter.c
@@ -501,18 +501,31 @@ size_t iov_iter_single_seg_count(const struct iov_iter *i)
EXPORT_SYMBOL(iov_iter_single_seg_count);
void iov_iter_kvec(struct iov_iter *i, int direction,
- const struct kvec *iov, unsigned long nr_segs,
+ const struct kvec *kvec, unsigned long nr_segs,
size_t count)
{
BUG_ON(!(direction & ITER_KVEC));
i->type = direction;
- i->kvec = (struct kvec *)iov;
+ i->kvec = kvec;
i->nr_segs = nr_segs;
i->iov_offset = 0;
i->count = count;
}
EXPORT_SYMBOL(iov_iter_kvec);
+void iov_iter_bvec(struct iov_iter *i, int direction,
+ const struct bio_vec *bvec, unsigned long nr_segs,
+ size_t count)
+{
+ BUG_ON(!(direction & ITER_BVEC));
+ i->type = direction;
+ i->bvec = bvec;
+ i->nr_segs = nr_segs;
+ i->iov_offset = 0;
+ i->count = count;
+}
+EXPORT_SYMBOL(iov_iter_bvec);
+
unsigned long iov_iter_alignment(const struct iov_iter *i)
{
unsigned long res = 0;