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| author | Michael S. Tsirkin <mst@redhat.com> | 2012-11-01 09:16:37 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-11-02 21:29:57 -0400 |
| commit | 70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd (patch) | |
| tree | f3b88279253e04599ac949e393ee0820ceaa5f57 /drivers/vhost/net.c | |
| parent | 149d36f7187cbd10beff88e4e20f93e51a34827e (diff) | |
| download | op-kernel-dev-70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd.zip op-kernel-dev-70e4cb9aafb3caa9e5eb25614a5bc40b0ffa9ffd.tar.gz | |
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 <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/net.c')
| -rw-r--r-- | drivers/vhost/net.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 072cbba..f80ae5f 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; |
