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| author |   David S. Miller <davem@davemloft.net> | 2014-12-10 13:17:23 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-12-10 13:17:23 -0500 |
| commit | 6e5f59aacbf9527dfe425541c78cb8c56623e7eb (patch) | |
| tree | dc5614e1546dba2bd6896d4aa21410e1d3297a09 /drivers/vhost/net.c | |
| parent | dummy: use MODULE_VERSION (diff) | |
| parent | bury memcpy_toiovec() (diff) | |
| download | linux-dev-6e5f59aacbf9527dfe425541c78cb8c56623e7eb.tar.xz linux-dev-6e5f59aacbf9527dfe425541c78cb8c56623e7eb.zip | |
Merge branch 'for-davem-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
More iov_iter work for the networking from Al Viro.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/vhost/net.c')
| -rw-r--r-- | drivers/vhost/net.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c index 8dae2f724a35..9f06e70a2631 100644 --- a/drivers/vhost/net.c +++ b/drivers/vhost/net.c @@ -342,7 +342,6 @@ static void handle_tx(struct vhost_net *net) .msg_namelen = 0, .msg_control = NULL, .msg_controllen = 0, - .msg_iov = vq->iov, .msg_flags = MSG_DONTWAIT, }; size_t len, total_len = 0; @@ -396,8 +395,8 @@ static void handle_tx(struct vhost_net *net) } /* Skip header. TODO: support TSO. */ s = move_iovec_hdr(vq->iov, nvq->hdr, hdr_size, out); - msg.msg_iovlen = out; len = iov_length(vq->iov, out); + iov_iter_init(&msg.msg_iter, WRITE, vq->iov, out, len); /* Sanity check */ if (!len) { vq_err(vq, "Unexpected header len for TX: " @@ -562,7 +561,6 @@ static void handle_rx(struct vhost_net *net) .msg_namelen = 0, .msg_control = NULL, /* FIXME: get and handle RX aux data. */ .msg_controllen = 0, - .msg_iov = vq->iov, .msg_flags = MSG_DONTWAIT, }; struct virtio_net_hdr_mrg_rxbuf hdr = { @@ -600,7 +598,7 @@ static void handle_rx(struct vhost_net *net) break; /* On overrun, truncate and discard */ if (unlikely(headcount > UIO_MAXIOV)) { - msg.msg_iovlen = 1; + iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1); err = sock->ops->recvmsg(NULL, sock, &msg, 1, MSG_DONTWAIT | MSG_TRUNC); pr_debug("Discarded rx packet: len %zd\n", sock_len); @@ -626,7 +624,7 @@ static void handle_rx(struct vhost_net *net) /* Copy the header for use in VIRTIO_NET_F_MRG_RXBUF: * needed because recvmsg can modify msg_iov. */ copy_iovec_hdr(vq->iov, nvq->hdr, sock_hlen, in); - msg.msg_iovlen = in; + iov_iter_init(&msg.msg_iter, READ, vq->iov, in, sock_len); err = sock->ops->recvmsg(NULL, sock, &msg, sock_len, MSG_DONTWAIT | MSG_TRUNC); /* Userspace might have consumed the packet meanwhile: |