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Subject[RFC PATCH v2 2/6] af_vsock/virtio/vsock: remove 'seqpacket_has_data' callback
Date
'rx_bytes' is used to check data presence on both SOCK_STREAM
and SOCK_SEQPACKET socket types for virtio/vsock.

Signed-off-by: Arseny Krasnov <arseny.krasnov@kaspersky.com>
---
drivers/vhost/vsock.c | 1 -
include/linux/virtio_vsock.h | 1 -
include/net/af_vsock.h | 1 -
net/vmw_vsock/af_vsock.c | 10 ----------
net/vmw_vsock/virtio_transport.c | 1 -
net/vmw_vsock/virtio_transport_common.c | 13 -------------
net/vmw_vsock/vsock_loopback.c | 1 -
7 files changed, 28 deletions(-)

diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c
index d38c996b4f46..c9713d8db0f4 100644
--- a/drivers/vhost/vsock.c
+++ b/drivers/vhost/vsock.c
@@ -451,7 +451,6 @@ static struct virtio_transport vhost_transport = {
.seqpacket_dequeue = virtio_transport_seqpacket_dequeue,
.seqpacket_enqueue = virtio_transport_seqpacket_enqueue,
.seqpacket_allow = vhost_transport_seqpacket_allow,
- .seqpacket_has_data = virtio_transport_seqpacket_has_data,

.notify_poll_in = virtio_transport_notify_poll_in,
.notify_poll_out = virtio_transport_notify_poll_out,
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index e68b4029f038..8d34f3d73bbb 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -92,7 +92,6 @@ virtio_transport_seqpacket_dequeue(struct vsock_sock *vsk,
bool *msg_ready);
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/include/net/af_vsock.h b/include/net/af_vsock.h
index c40d341611b0..1747c0b564ef 100644
--- a/include/net/af_vsock.h
+++ b/include/net/af_vsock.h
@@ -141,7 +141,6 @@ struct vsock_transport {
int (*seqpacket_enqueue)(struct vsock_sock *vsk, struct msghdr *msg,
size_t len);
bool (*seqpacket_allow)(u32 remote_cid);
- u32 (*seqpacket_has_data)(struct vsock_sock *vsk);

/* Notification. */
int (*notify_poll_in)(struct vsock_sock *, size_t, bool *);
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index b66884def8e8..87955f9ff065 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -860,16 +860,6 @@ s64 vsock_stream_has_data(struct vsock_sock *vsk)
}
EXPORT_SYMBOL_GPL(vsock_stream_has_data);

-static s64 vsock_connectible_has_data(struct vsock_sock *vsk)
-{
- struct sock *sk = sk_vsock(vsk);
-
- if (sk->sk_type == SOCK_SEQPACKET)
- return vsk->transport->seqpacket_has_data(vsk);
- else
- return vsock_stream_has_data(vsk);
-}
-
s64 vsock_stream_has_space(struct vsock_sock *vsk)
{
return vsk->transport->stream_has_space(vsk);
diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c
index e0c2c992ad9c..2a7c56fcb062 100644
--- a/net/vmw_vsock/virtio_transport.c
+++ b/net/vmw_vsock/virtio_transport.c
@@ -475,7 +475,6 @@ static struct virtio_transport virtio_transport = {
.seqpacket_dequeue = virtio_transport_seqpacket_dequeue,
.seqpacket_enqueue = virtio_transport_seqpacket_enqueue,
.seqpacket_allow = virtio_transport_seqpacket_allow,
- .seqpacket_has_data = virtio_transport_seqpacket_has_data,

.notify_poll_in = virtio_transport_notify_poll_in,
.notify_poll_out = virtio_transport_notify_poll_out,
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 053bcea1a03f..37d4ed526750 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -530,19 +530,6 @@ 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;
diff --git a/net/vmw_vsock/vsock_loopback.c b/net/vmw_vsock/vsock_loopback.c
index 169a8cf65b39..809f807d0710 100644
--- a/net/vmw_vsock/vsock_loopback.c
+++ b/net/vmw_vsock/vsock_loopback.c
@@ -94,7 +94,6 @@ static struct virtio_transport loopback_transport = {
.seqpacket_dequeue = virtio_transport_seqpacket_dequeue,
.seqpacket_enqueue = virtio_transport_seqpacket_enqueue,
.seqpacket_allow = vsock_loopback_seqpacket_allow,
- .seqpacket_has_data = virtio_transport_seqpacket_has_data,

.notify_poll_in = virtio_transport_notify_poll_in,
.notify_poll_out = virtio_transport_notify_poll_out,
--
2.25.1
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