diff options
Diffstat (limited to 'drivers/xen/pvcalls-back.c')
| -rw-r--r-- | drivers/xen/pvcalls-back.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c index 02cd33c58204..c7822d8078b9 100644 --- a/drivers/xen/pvcalls-back.c +++ b/drivers/xen/pvcalls-back.c @@ -134,20 +134,16 @@ static void pvcalls_conn_back_read(void *opaque) masked_cons = pvcalls_mask(cons, array_size); memset(&msg, 0, sizeof(msg)); - msg.msg_iter.type = ITER_KVEC|WRITE; - msg.msg_iter.count = wanted; if (masked_prod < masked_cons) { vec[0].iov_base = data->in + masked_prod; vec[0].iov_len = wanted; - msg.msg_iter.kvec = vec; - msg.msg_iter.nr_segs = 1; + iov_iter_kvec(&msg.msg_iter, ITER_KVEC|WRITE, vec, 1, wanted); } else { vec[0].iov_base = data->in + masked_prod; vec[0].iov_len = array_size - masked_prod; vec[1].iov_base = data->in; vec[1].iov_len = wanted - vec[0].iov_len; - msg.msg_iter.kvec = vec; - msg.msg_iter.nr_segs = 2; + iov_iter_kvec(&msg.msg_iter, ITER_KVEC|WRITE, vec, 2, wanted); } atomic_set(&map->read, 0); @@ -196,20 +192,16 @@ static void pvcalls_conn_back_write(struct sock_mapping *map) memset(&msg, 0, sizeof(msg)); msg.msg_flags |= MSG_DONTWAIT; - msg.msg_iter.type = ITER_KVEC|READ; - msg.msg_iter.count = size; if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) { vec[0].iov_base = data->out + pvcalls_mask(cons, array_size); vec[0].iov_len = size; - msg.msg_iter.kvec = vec; - msg.msg_iter.nr_segs = 1; + iov_iter_kvec(&msg.msg_iter, ITER_KVEC|READ, vec, 1, size); } else { vec[0].iov_base = data->out + pvcalls_mask(cons, array_size); vec[0].iov_len = array_size - pvcalls_mask(cons, array_size); vec[1].iov_base = data->out; vec[1].iov_len = size - vec[0].iov_len; - msg.msg_iter.kvec = vec; - msg.msg_iter.nr_segs = 2; + iov_iter_kvec(&msg.msg_iter, ITER_KVEC|READ, vec, 2, size); } atomic_set(&map->write, 0); |