qemu iovec: keep track of total size, allow partial copies (Gerd Hoffman)

[qemu] / block.c

diff --git a/block.c b/block.c
index 50ec589..b3d2f12 100644 (file)
--- a/block.c
+++ b/block.c
@@ -1265,7 +1265,7 @@ static void bdrv_aio_rw_vector_cb(void *opaque, int ret)
     VectorTranslationState *s = opaque;
 
     if (!s->is_write) {
-        qemu_iovec_from_buffer(s->iov, s->bounce);
+        qemu_iovec_from_buffer(s->iov, s->bounce, s->iov->size);
     }
     qemu_free(s->bounce);
     s->this_aiocb->cb(s->this_aiocb->opaque, ret);