Stefano Garzarella
2022-Aug-08 10:33 UTC
[RFC PATCH v3 3/9] virtio/vsock: use 'target' in notify_poll_in callback
On Wed, Aug 03, 2022 at 01:55:36PM +0000, Arseniy Krasnov wrote:>This callback controls setting of POLLIN,POLLRDNORM output bits of poll() >syscall,but in some cases,it is incorrectly to set it, when socket has >at least 1 bytes of available data. Use 'target' which is already exists >and equal to sk_rcvlowat in this case.Little suggestion: We should update the commit description, since so far 'target' is not equal to sk_rcvlowat. With that fixed (and adding some spaces after the commas): Reviewed-by: Stefano Garzarella <sgarzare at redhat.com>> >Signed-off-by: Arseniy Krasnov <AVKrasnov at sberdevices.ru> >--- > net/vmw_vsock/virtio_transport_common.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > >diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c >index ec2c2afbf0d0..8f6356ebcdd1 100644 >--- a/net/vmw_vsock/virtio_transport_common.c >+++ b/net/vmw_vsock/virtio_transport_common.c >@@ -634,10 +634,7 @@ virtio_transport_notify_poll_in(struct vsock_sock *vsk, > size_t target, > bool *data_ready_now) > { >- if (vsock_stream_has_data(vsk)) >- *data_ready_now = true; >- else >- *data_ready_now = false; >+ *data_ready_now = vsock_stream_has_data(vsk) >= target; > > return 0; > } >-- >2.25.1