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xprtrdma: Fix a BUG when tracing is enabled with NFSv4.1 on RDMA 

A backchannel reply does not set task->tk_client.

Fixes: 0c77668ddb ("SUNRPC: Introduce trace points in ... ")
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Chuck Lever 2019-06-19 10:32:32 -04:00 committed by Anna Schumaker
parent 9e0babf2c0
commit 10694ac92c
1 changed files with 2 additions and 1 deletions
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3
include/trace/events/rpcrdma.h
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@ -559,7 +559,8 @@ TRACE_EVENT(xprtrdma_post_send,
const struct rpc_rqst *rqst = &req->rl_slot;
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->client_id = rqst->rq_task->tk_client ?
rqst->rq_task->tk_client->cl_clid : -1;
__entry->req = req;
__entry->num_sge = req->rl_sendctx->sc_wr.num_sge;
__entry->signaled = req->rl_sendctx->sc_wr.send_flags &