Revert "SUNRPC: Ensure we close the socket on EPIPE errors too..."
authorTrond Myklebust <Trond.Myklebust@netapp.com>
Tue, 23 Oct 2012 15:40:02 +0000 (11:40 -0400)
committerTrond Myklebust <Trond.Myklebust@netapp.com>
Wed, 24 Oct 2012 14:45:39 +0000 (10:45 -0400)
This reverts commit 55420c24a0d4d1fce70ca713f84aa00b6b74a70e.
Now that we clear the connected flag when entering TCP_CLOSE_WAIT,
the deadlock described in this commit is no longer possible.
Instead, the resulting call to xs_tcp_shutdown() can interfere
with pending reconnection attempts.

Reported-by: Chris Perl <chris.perl@gmail.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
Tested-by: Chris Perl <chris.perl@gmail.com>
net/sunrpc/xprtsock.c

index 6e6967d5400e61c526036ecd98ef041df1c40667..7e2dd0d69f1b9f29b5dd6243a3357913f0d2cefd 100644 (file)
@@ -737,10 +737,10 @@ static int xs_tcp_send_request(struct rpc_task *task)
                dprintk("RPC:       sendmsg returned unrecognized error %d\n",
                        -status);
        case -ECONNRESET:
-       case -EPIPE:
                xs_tcp_shutdown(xprt);
        case -ECONNREFUSED:
        case -ENOTCONN:
+       case -EPIPE:
                clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
        }