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    Subject[RFC PATCH v2 9/9] vmci/vsock: check SO_RCVLOWAT before wake up reader
    Date
    This adds extra condition to wake up data reader: do it only when number
    of readable bytes >= SO_RCVLOWAT. Otherwise, there is no sense to kick
    user,because it will wait until SO_RCVLOWAT bytes will be dequeued.

    Signed-off-by: Arseniy Krasnov <AVKrasnov@sberdevices.ru>
    ---
    net/vmw_vsock/vmci_transport_notify.c | 2 +-
    net/vmw_vsock/vmci_transport_notify_qstate.c | 4 ++--
    2 files changed, 3 insertions(+), 3 deletions(-)

    diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c
    index 1684b85b0660..ab42d73ab3da 100644
    --- a/net/vmw_vsock/vmci_transport_notify.c
    +++ b/net/vmw_vsock/vmci_transport_notify.c
    @@ -307,7 +307,7 @@ vmci_transport_handle_wrote(struct sock *sk,
    struct vsock_sock *vsk = vsock_sk(sk);
    PKT_FIELD(vsk, sent_waiting_read) = false;
    #endif
    - sk->sk_data_ready(sk);
    + vsock_data_ready(sk);
    }

    static void vmci_transport_notify_pkt_socket_init(struct sock *sk)
    diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c
    index a40407872b53..41dca5fbea5e 100644
    --- a/net/vmw_vsock/vmci_transport_notify_qstate.c
    +++ b/net/vmw_vsock/vmci_transport_notify_qstate.c
    @@ -84,7 +84,7 @@ vmci_transport_handle_wrote(struct sock *sk,
    bool bottom_half,
    struct sockaddr_vm *dst, struct sockaddr_vm *src)
    {
    - sk->sk_data_ready(sk);
    + vsock_data_ready(sk);
    }

    static void vsock_block_update_write_window(struct sock *sk)
    @@ -282,7 +282,7 @@ vmci_transport_notify_pkt_recv_post_dequeue(
    /* See the comment in
    * vmci_transport_notify_pkt_send_post_enqueue().
    */
    - sk->sk_data_ready(sk);
    + vsock_data_ready(sk);
    }

    return err;
    --
    2.25.1
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