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authorTrond Myklebust2015-06-19 13:04:13 -0400
committerTrond Myklebust2015-06-19 13:04:13 -0400
commit3832591e6fa53d8126d5e21446f225cda278d91a (patch)
treede6a531a277d6a4b37d5281a0a7447ac92930734 /net/sunrpc
parentdfad7000f32e3a6187e1ee36d52494d821553f2b (diff)
SUNRPC: Handle connection issues correctly on the back channel
If the back channel is disconnected, we can and should just fail the transmission. The expectation is that the NFSv4.1 server will always retransmit any outstanding callbacks once the connection is re-established. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'net/sunrpc')
-rw-r--r--net/sunrpc/clnt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index f41ed882ed3c..cbc6af923dd1 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1031,6 +1031,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req)
struct xdr_buf *xbufp = &req->rq_snd_buf;
struct rpc_task_setup task_setup_data = {
.callback_ops = &rpc_default_ops,
+ .flags = RPC_TASK_SOFTCONN,
};
dprintk("RPC: rpc_run_bc_task req= %p\n", req);
@@ -1964,10 +1965,15 @@ call_bc_transmit(struct rpc_task *task)
switch (task->tk_status) {
case 0:
/* Success */
- break;
case -EHOSTDOWN:
case -EHOSTUNREACH:
case -ENETUNREACH:
+ case -ECONNRESET:
+ case -ECONNREFUSED:
+ case -EADDRINUSE:
+ case -ENOTCONN:
+ case -EPIPE:
+ break;
case -ETIMEDOUT:
/*
* Problem reaching the server. Disconnect and let the