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svc: Move close processing to a single place
Close handling was duplicated in the UDP and TCP recvfrom methods. This code has been moved to the transport independent svc_recv function. Signed-off-by: Tom Tucker <tom@opengridcomputing.com> Acked-by: Neil Brown <neilb@suse.de> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Reviewed-by: Greg Banks <gnb@sgi.com> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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@ -776,11 +776,6 @@ svc_udp_recvfrom(struct svc_rqst *rqstp)
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return svc_deferred_recv(rqstp);
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}
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if (test_bit(SK_CLOSE, &svsk->sk_flags)) {
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svc_delete_socket(svsk);
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return 0;
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}
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clear_bit(SK_DATA, &svsk->sk_flags);
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skb = NULL;
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err = kernel_recvmsg(svsk->sk_sock, &msg, NULL,
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@ -1181,11 +1176,6 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp)
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return svc_deferred_recv(rqstp);
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}
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if (test_bit(SK_CLOSE, &svsk->sk_flags)) {
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svc_delete_socket(svsk);
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return 0;
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}
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if (svsk->sk_sk->sk_state == TCP_LISTEN) {
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svc_tcp_accept(svsk);
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svc_sock_received(svsk);
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@ -1311,7 +1301,7 @@ svc_tcp_recvfrom(struct svc_rqst *rqstp)
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return len;
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err_delete:
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svc_delete_socket(svsk);
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set_bit(SK_CLOSE, &svsk->sk_flags);
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return -EAGAIN;
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error:
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@ -1575,10 +1565,16 @@ svc_recv(struct svc_rqst *rqstp, long timeout)
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}
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spin_unlock_bh(&pool->sp_lock);
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dprintk("svc: server %p, pool %u, socket %p, inuse=%d\n",
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rqstp, pool->sp_id, svsk, atomic_read(&svsk->sk_inuse));
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len = svsk->sk_xprt.xpt_ops->xpo_recvfrom(rqstp);
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dprintk("svc: got len=%d\n", len);
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len = 0;
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if (test_bit(SK_CLOSE, &svsk->sk_flags)) {
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dprintk("svc_recv: found SK_CLOSE\n");
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svc_delete_socket(svsk);
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} else {
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dprintk("svc: server %p, pool %u, socket %p, inuse=%d\n",
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rqstp, pool->sp_id, svsk, atomic_read(&svsk->sk_inuse));
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len = svsk->sk_xprt.xpt_ops->xpo_recvfrom(rqstp);
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dprintk("svc: got len=%d\n", len);
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}
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/* No data, incomplete (TCP) read, or accept() */
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if (len == 0 || len == -EAGAIN) {
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