diff options
Diffstat (limited to 'net/sunrpc/xprtrdma/rpc_rdma.c')
| -rw-r--r-- | net/sunrpc/xprtrdma/rpc_rdma.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index d7463bce3df3..dd7c0aab7535 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -821,6 +821,17 @@ rpcrdma_marshal_req(struct rpcrdma_xprt *r_xprt, struct rpc_rqst *rqst) rtype = rpcrdma_areadch; } + /* If this is a retransmit, discard previously registered + * chunks. Very likely the connection has been replaced, + * so these registrations are invalid and unusable. + */ + while (unlikely(!list_empty(&req->rl_registered))) { + struct rpcrdma_mw *mw; + + mw = rpcrdma_pop_mw(&req->rl_registered); + rpcrdma_defer_mr_recovery(mw); + } + /* This implementation supports the following combinations * of chunk lists in one RPC-over-RDMA Call message: * |