svcrdma: disable timeouts on rdma backchannel
authorTimo Rothenpieler <timo@rothenpieler.org>
Mon, 22 Feb 2021 23:36:19 +0000 (00:36 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 Mar 2021 08:04:08 +0000 (09:04 +0100)
commit 6820bf77864d5894ff67b5c00d7dba8f92011e3d upstream.

This brings it in line with the regular tcp backchannel, which also has
all those timeouts disabled.

Prevents the backchannel from timing out, getting some async operations
like server side copying getting stuck indefinitely on the client side.

Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
Fixes: 5d252f90a800 ("svcrdma: Add class for RDMA backwards direction transport")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/sunrpc/xprtrdma/svc_rdma_backchannel.c

index 5e7c4ba..c5154bc 100644 (file)
@@ -246,9 +246,9 @@ xprt_setup_rdma_bc(struct xprt_create *args)
        xprt->timeout = &xprt_rdma_bc_timeout;
        xprt_set_bound(xprt);
        xprt_set_connected(xprt);
-       xprt->bind_timeout = RPCRDMA_BIND_TO;
-       xprt->reestablish_timeout = RPCRDMA_INIT_REEST_TO;
-       xprt->idle_timeout = RPCRDMA_IDLE_DISC_TO;
+       xprt->bind_timeout = 0;
+       xprt->reestablish_timeout = 0;
+       xprt->idle_timeout = 0;
 
        xprt->prot = XPRT_TRANSPORT_BC_RDMA;
        xprt->ops = &xprt_rdma_bc_procs;