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Commit a8ce4a8f authored by Trond Myklebust's avatar Trond Myklebust
Browse files

SUNRPC: Fail over more quickly on connect errors 



We should not allow soft tasks to wait for longer than the major timeout
period when waiting for a reconnect to occur.

Remove the field xprt->connect_timeout since it has been obsoleted by
xprt->reestablish_timeout.

Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 0b9e7943

include/linux/sunrpc/xprt.h

+1 −2
Original line number Diff line number Diff line
@@ -174,8 +174,7 @@ struct rpc_xprt { 
	/*

	 * Connection of transports

	 */

	unsigned long		connect_timeout,

				bind_timeout,

	unsigned long		bind_timeout,

				reestablish_timeout;

	unsigned int		connect_cookie;	/* A cookie that gets bumped

						   every time the transport

net/sunrpc/xprt.c

+1 −1
Original line number Diff line number Diff line
@@ -710,7 +710,7 @@ void xprt_connect(struct rpc_task *task) 
		if (task->tk_rqstp)

			task->tk_rqstp->rq_bytes_sent = 0;



		task->tk_timeout = xprt->connect_timeout;

		task->tk_timeout = task->tk_rqstp->rq_timeout;

		rpc_sleep_on(&xprt->pending, task, xprt_connect_status);



		if (test_bit(XPRT_CLOSING, &xprt->state))

net/sunrpc/xprtrdma/transport.c

+0 −1
Original line number Diff line number Diff line
@@ -305,7 +305,6 @@ xprt_setup_rdma(struct xprt_create *args) 
	/* 60 second timeout, no retries */

	xprt->timeout = &xprt_rdma_default_timeout;

	xprt->bind_timeout = (60U * HZ);

	xprt->connect_timeout = (60U * HZ);

	xprt->reestablish_timeout = (5U * HZ);

	xprt->idle_timeout = (5U * 60 * HZ);

net/sunrpc/xprtsock.c

+0 −17
Original line number Diff line number Diff line
@@ -137,20 +137,6 @@ static ctl_table sunrpc_table[] = { 


#endif



/*

 * Time out for an RPC UDP socket connect.  UDP socket connects are

 * synchronous, but we set a timeout anyway in case of resource

 * exhaustion on the local host.

 */

#define XS_UDP_CONN_TO		(5U * HZ)



/*

 * Wait duration for an RPC TCP connection to be established.  Solaris

 * NFS over TCP uses 60 seconds, for example, which is in line with how

 * long a server takes to reboot.

 */

#define XS_TCP_CONN_TO		(60U * HZ)



/*

 * Wait duration for a reply from the RPC portmapper.

 */
@@ -2324,7 +2310,6 @@ static struct rpc_xprt *xs_setup_udp(struct xprt_create *args) 
	xprt->max_payload = (1U << 16) - (MAX_HEADER << 3);



	xprt->bind_timeout = XS_BIND_TO;

	xprt->connect_timeout = XS_UDP_CONN_TO;

	xprt->reestablish_timeout = XS_UDP_REEST_TO;

	xprt->idle_timeout = XS_IDLE_DISC_TO;
@@ -2399,7 +2384,6 @@ static struct rpc_xprt *xs_setup_tcp(struct xprt_create *args) 
	xprt->max_payload = RPC_MAX_FRAGMENT_SIZE;



	xprt->bind_timeout = XS_BIND_TO;

	xprt->connect_timeout = XS_TCP_CONN_TO;

	xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO;

	xprt->idle_timeout = XS_IDLE_DISC_TO;
@@ -2475,7 +2459,6 @@ static struct rpc_xprt *xs_setup_bc_tcp(struct xprt_create *args) 
	/* backchannel */

	xprt_set_bound(xprt);

	xprt->bind_timeout = 0;

	xprt->connect_timeout = 0;

	xprt->reestablish_timeout = 0;

	xprt->idle_timeout = 0;