From 70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 1 Nov 2012 09:16:37 +0000 Subject: vhost-net: cleanup macros for DMA status tracking Better document macros for DMA tracking. Add an explicit one for DMA in progress instead of relying on user supplying len != 1. Signed-off-by: Michael S. Tsirkin Signed-off-by: David S. Miller --- drivers/vhost/net.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/vhost/net.c') diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 072cbbadbc36..f80ae5fc9b00 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -237,7 +237,8 @@ static void handle_tx(struct vhost_net *net) } else { struct ubuf_info *ubuf = &vq->ubuf_info[head]; - vq->heads[vq->upend_idx].len = len; + vq->heads[vq->upend_idx].len = + VHOST_DMA_IN_PROGRESS; ubuf->callback = vhost_zerocopy_callback; ubuf->ctx = vq->ubufs; ubuf->desc = vq->upend_idx; -- cgit v1.2.3