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SUNRPC: Add xdr_stream::rqst field

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Having access to the controlling rpc_rqst means a trace point in the
XDR code can report:

 - the XID
 - the task ID and client ID
 - the p_name of RPC being processed

Subsequent patches will introduce such trace points.

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
2019-02-11 11:24:05 -05:00
committed by Anna Schumaker
parent 6f70138336
commit 0ccc61b1c7
8 changed files with 26 additions and 15 deletions
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2
net/sunrpc/xprtrdma/backchannel.c
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@@ -123,7 +123,7 @@ static int rpcrdma_bc_marshal_reply(struct rpc_rqst *rqst)
rpcrdma_set_xdrlen(&req->rl_hdrbuf, 0);
xdr_init_encode(&req->rl_stream, &req->rl_hdrbuf,
req->rl_rdmabuf->rg_base);
req->rl_rdmabuf->rg_base, rqst);
p = xdr_reserve_space(&req->rl_stream, 28);
if (unlikely(!p))