linux-kernel - [RFC PATCH v1 04/16] virtio/vsock: remove 'virtio_transport_seqpacket_has

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Date:   Mon, 28 Jun 2021 13:02:24 +0300
From:   Arseny Krasnov <arseny.krasnov@...persky.com>
To:     Stefan Hajnoczi <stefanha@...hat.com>,
        Stefano Garzarella <sgarzare@...hat.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Arseny Krasnov <arseny.krasnov@...persky.com>,
        Colin Ian King <colin.king@...onical.com>,
        Norbert Slusarek <nslusarek@....net>,
        Andra Paraschiv <andraprs@...zon.com>
CC:     <kvm@...r.kernel.org>, <virtualization@...ts.linux-foundation.org>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <oxffffaa@...il.com>
Subject: [RFC PATCH v1 04/16] virtio/vsock: remove 'virtio_transport_seqpacket_has_data'

As now 'rx_bytes' is used to check presence of data on socket,
this function is obsolete.

Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
---
 include/linux/virtio_vsock.h            |  1 -
 net/vmw_vsock/virtio_transport_common.c | 13 -------------
 2 files changed, 14 deletions(-)

diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 35d7eedb5e8e..719008d4235e 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -91,7 +91,6 @@ virtio_transport_seqpacket_dequeue(struct vsock_sock *vsk,
 				   int flags);
 s64 virtio_transport_stream_has_data(struct vsock_sock *vsk);
 s64 virtio_transport_stream_has_space(struct vsock_sock *vsk);
-u32 virtio_transport_seqpacket_has_data(struct vsock_sock *vsk);
 
 int virtio_transport_do_socket_init(struct vsock_sock *vsk,
 				 struct vsock_sock *psk);
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index f014ccfdd9c2..bc25961509e0 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -540,19 +540,6 @@ s64 virtio_transport_stream_has_data(struct vsock_sock *vsk)
 }
 EXPORT_SYMBOL_GPL(virtio_transport_stream_has_data);
 
-u32 virtio_transport_seqpacket_has_data(struct vsock_sock *vsk)
-{
-	struct virtio_vsock_sock *vvs = vsk->trans;
-	u32 msg_count;
-
-	spin_lock_bh(&vvs->rx_lock);
-	msg_count = vvs->msg_count;
-	spin_unlock_bh(&vvs->rx_lock);
-
-	return msg_count;
-}
-EXPORT_SYMBOL_GPL(virtio_transport_seqpacket_has_data);
-
 static s64 virtio_transport_has_space(struct vsock_sock *vsk)
 {
 	struct virtio_vsock_sock *vvs = vsk->trans;
-- 
2.25.1