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SUNRPC: Handle socket errors correctly

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Ensure that we pick up and handle socket errors as they occur.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-03-11 14:38:00 -04:00
parent c8485e4d63
commit 482f32e65d
1 changed files with 5 additions and 7 deletions
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12
net/sunrpc/xprtsock.c
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@ -1208,23 +1208,20 @@ static void xs_tcp_state_change(struct sock *sk)
}
/**
* xs_tcp_error_report - callback mainly for catching RST events
* xs_error_report - callback mainly for catching socket errors
* @sk: socket
*/
static void xs_tcp_error_report(struct sock *sk)
static void xs_error_report(struct sock *sk)
{
struct rpc_xprt *xprt;
read_lock(&sk->sk_callback_lock);
if (sk->sk_err != ECONNRESET || sk->sk_state != TCP_ESTABLISHED)
goto out;
if (!(xprt = xprt_from_sock(sk)))
goto out;
dprintk("RPC: %s client %p...\n"
"RPC: error %d\n",
__func__, xprt, sk->sk_err);
xprt_force_disconnect(xprt);
xprt_wake_pending_tasks(xprt, -EAGAIN);
out:
read_unlock(&sk->sk_callback_lock);
}
@ -1509,6 +1506,7 @@ static void xs_udp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
sk->sk_user_data = xprt;
sk->sk_data_ready = xs_udp_data_ready;
sk->sk_write_space = xs_udp_write_space;
sk->sk_error_report = xs_error_report;
sk->sk_no_check = UDP_CSUM_NORCV;
sk->sk_allocation = GFP_ATOMIC;
@ -1656,7 +1654,7 @@ static int xs_tcp_finish_connecting(struct rpc_xprt *xprt, struct socket *sock)
sk->sk_data_ready = xs_tcp_data_ready;
sk->sk_state_change = xs_tcp_state_change;
sk->sk_write_space = xs_tcp_write_space;
sk->sk_error_report = xs_tcp_error_report;
sk->sk_error_report = xs_error_report;
sk->sk_allocation = GFP_ATOMIC;
/* socket options */