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SUNRPC: Ensure we set XPRT_CLOSING only after we've sent a tcp FIN... 

...so that we can distinguish between when we need to shutdown and when we
don't. Also remove the call to xs_tcp_shutdown() from xs_tcp_connect(),
since xprt_connect() makes the same test.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-03-11 14:37:58 -04:00
parent 15f081ca8d
commit 670f945731
1 changed files with 1 additions and 4 deletions
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5
net/sunrpc/xprtsock.c
View File

@ -1180,7 +1180,6 @@ static void xs_tcp_state_change(struct sock *sk)
break;
case TCP_CLOSE_WAIT:
/* The server initiated a shutdown of the socket */
set_bit(XPRT_CLOSING, &xprt->state);
xprt_force_disconnect(xprt);
case TCP_SYN_SENT:
xprt->connect_cookie++;
@ -1193,6 +1192,7 @@ static void xs_tcp_state_change(struct sock *sk)
xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;
break;
case TCP_LAST_ACK:
set_bit(XPRT_CLOSING, &xprt->state);
smp_mb__before_clear_bit();
clear_bit(XPRT_CONNECTED, &xprt->state);
smp_mb__after_clear_bit();
@ -1836,9 +1836,6 @@ static void xs_tcp_connect(struct rpc_task *task)
{
struct rpc_xprt *xprt = task->tk_xprt;
/* Initiate graceful shutdown of the socket if not already done */
if (test_bit(XPRT_CONNECTED, &xprt->state))
xs_tcp_shutdown(xprt);
/* Exit if we need to wait for socket shutdown to complete */
if (test_bit(XPRT_CLOSING, &xprt->state))
return;