SUNRPC: Ensure xs_reset_transport() resets the close connection flags
Otherwise, we may end up looping. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
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76698b2358
Коммит
6cc7e90836
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@ -803,10 +803,21 @@ static void xs_error_report(struct sock *sk)
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read_unlock_bh(&sk->sk_callback_lock);
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}
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static void xs_sock_reset_connection_flags(struct rpc_xprt *xprt)
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{
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smp_mb__before_atomic();
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clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
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clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
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clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
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clear_bit(XPRT_CLOSING, &xprt->state);
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smp_mb__after_atomic();
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}
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static void xs_reset_transport(struct sock_xprt *transport)
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{
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struct socket *sock = transport->sock;
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struct sock *sk = transport->inet;
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struct rpc_xprt *xprt = &transport->xprt;
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if (sk == NULL)
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return;
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@ -819,8 +830,9 @@ static void xs_reset_transport(struct sock_xprt *transport)
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xs_restore_old_callbacks(transport, sk);
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write_unlock_bh(&sk->sk_callback_lock);
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xs_sock_reset_connection_flags(xprt);
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trace_rpc_socket_close(&transport->xprt, sock);
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trace_rpc_socket_close(xprt, sock);
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sock_release(sock);
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}
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@ -845,11 +857,6 @@ static void xs_close(struct rpc_xprt *xprt)
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xs_reset_transport(transport);
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xprt->reestablish_timeout = 0;
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smp_mb__before_atomic();
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clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
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clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
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clear_bit(XPRT_CLOSING, &xprt->state);
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smp_mb__after_atomic();
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xprt_disconnect_done(xprt);
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}
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@ -1455,16 +1462,6 @@ static void xs_tcp_cancel_linger_timeout(struct rpc_xprt *xprt)
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xprt_clear_connecting(xprt);
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}
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static void xs_sock_reset_connection_flags(struct rpc_xprt *xprt)
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{
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smp_mb__before_atomic();
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clear_bit(XPRT_CONNECTION_ABORT, &xprt->state);
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clear_bit(XPRT_CONNECTION_CLOSE, &xprt->state);
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clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
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clear_bit(XPRT_CLOSING, &xprt->state);
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smp_mb__after_atomic();
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}
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static void xs_sock_mark_closed(struct rpc_xprt *xprt)
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{
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xs_sock_reset_connection_flags(xprt);
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