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SUNRPC: Delay, then retry on connection errors. 

Enforce the comment in xs_tcp_connect_worker4/xs_tcp_connect_worker6 that
we should delay, then retry on certain connection errors.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Trond Myklebust 2009-03-11 14:38:01 -04:00
parent 2a4919919a
commit 8a2cec295f
1 changed files with 16 additions and 18 deletions
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34
net/sunrpc/xprtsock.c
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@ -1722,20 +1722,19 @@ static void xs_tcp_connect_worker4(struct work_struct *work)
xprt, -status, xprt_connected(xprt),
sock->sk->sk_state);
switch (status) {
case -ECONNREFUSED:
case -ECONNRESET:
case -ENETUNREACH:
/* retry with existing socket, after a delay */
case 0:
case -EINPROGRESS:
case -EALREADY:
goto out_clear;
case -ECONNREFUSED:
case -ECONNRESET:
/* retry with existing socket, after a delay */
break;
default:
/* get rid of existing socket, and retry */
xs_tcp_shutdown(xprt);
printk("%s: connect returned unhandled error %d\n",
__func__, status);
}
/* get rid of existing socket, and retry */
xs_tcp_shutdown(xprt);
printk("%s: connect returned unhandled error %d\n",
__func__, status);
status = -EAGAIN;
out:
xprt_wake_pending_tasks(xprt, status);
@ -1783,20 +1782,19 @@ static void xs_tcp_connect_worker6(struct work_struct *work)
dprintk("RPC: %p connect status %d connected %d sock state %d\n",
xprt, -status, xprt_connected(xprt), sock->sk->sk_state);
switch (status) {
case -ECONNREFUSED:
case -ECONNRESET:
case -ENETUNREACH:
/* retry with existing socket, after a delay */
case 0:
case -EINPROGRESS:
case -EALREADY:
goto out_clear;
case -ECONNREFUSED:
case -ECONNRESET:
/* retry with existing socket, after a delay */
break;
default:
/* get rid of existing socket, and retry */
xs_tcp_shutdown(xprt);
printk("%s: connect returned unhandled error %d\n",
__func__, status);
}
/* get rid of existing socket, and retry */
xs_tcp_shutdown(xprt);
printk("%s: connect returned unhandled error %d\n",
__func__, status);
status = -EAGAIN;
out:
xprt_wake_pending_tasks(xprt, status);