[PATCH] RPC: Clean up socket autodisconnect
Cancel autodisconnect requests inside xprt_transmit() in order to avoid
races.
Use more efficient del_singleshot_timer_sync()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index ef941e7..a74a128 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -1240,6 +1240,8 @@
list_add_tail(&req->rq_list, &xprt->recv);
spin_unlock_bh(&xprt->sock_lock);
xprt_reset_majortimeo(req);
+ /* Turn off autodisconnect */
+ del_singleshot_timer_sync(&xprt->timer);
}
} else if (!req->rq_bytes_sent)
return;
@@ -1370,8 +1372,6 @@
spin_lock(&xprt->xprt_lock);
do_xprt_reserve(task);
spin_unlock(&xprt->xprt_lock);
- if (task->tk_rqstp)
- del_timer_sync(&xprt->timer);
}
}