linux-kernel - [RFC PATCH v2 3/6] virtio/vsock: remove 'msg

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Date:   Sun, 4 Jul 2021 11:10:18 +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>,
        Jorgen Hansen <jhansen@...are.com>,
        Andra Paraschiv <andraprs@...zon.com>,
        Norbert Slusarek <nslusarek@....net>,
        Colin Ian King <colin.king@...onical.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 v2 3/6] virtio/vsock: remove 'msg_count' based logic

'msg_count' is obsolete, because 'rx_bytes' used instead.

Signed-off-by: Arseny Krasnov <arseny.krasnov@...persky.com>
---
 include/linux/virtio_vsock.h            | 1 -
 net/vmw_vsock/virtio_transport_common.c | 4 ----
 2 files changed, 5 deletions(-)

diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 8d34f3d73bbb..7360ab7ea0af 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -36,7 +36,6 @@ struct virtio_vsock_sock {
 	u32 rx_bytes;
 	u32 buf_alloc;
 	struct list_head rx_queue;
-	u32 msg_count;
 };
 
 struct virtio_vsock_pkt {
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 37d4ed526750..ce67cf449ef8 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -449,7 +449,6 @@ static int virtio_transport_seqpacket_do_dequeue(struct vsock_sock *vsk,
 
 		if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR) {
 			*msg_ready = true;
-			vvs->msg_count--;
 		}
 
 		virtio_transport_dec_rx_pkt(vvs, pkt);
@@ -1006,9 +1005,6 @@ virtio_transport_recv_enqueue(struct vsock_sock *vsk,
 		goto out;
 	}
 
-	if (le32_to_cpu(pkt->hdr.flags) & VIRTIO_VSOCK_SEQ_EOR)
-		vvs->msg_count++;
-
 	/* Try to copy small packets into the buffer of last packet queued,
 	 * to avoid wasting memory queueing the entire buffer with a small
 	 * payload.
-- 
2.25.1