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xprtrdma: Replace rpcrdma_receive_wq with a per-xprt workqueue

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To address a connection-close ordering problem, we need the ability
to drain the RPC completions running on rpcrdma_receive_wq for just
one transport. Give each transport its own RPC completion workqueue,
and drain that workqueue when disconnecting the transport.

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
2018-12-19 10:58:29 -05:00
committed by Anna Schumaker
parent 6ceea36890
commit 6d2d0ee27c
4 changed files with 44 additions and 48 deletions
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2
net/sunrpc/xprtrdma/rpc_rdma.c
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@@ -1356,7 +1356,7 @@ void rpcrdma_reply_handler(struct rpcrdma_rep *rep)
clear_bit(RPCRDMA_REQ_F_PENDING, &req->rl_flags);
trace_xprtrdma_reply(rqst->rq_task, rep, req, credits);
queue_work(rpcrdma_receive_wq, &rep->rr_work);
queue_work(buf->rb_completion_wq, &rep->rr_work);
return;
out_badversion: