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svcrdma: Use parsed chunk lists to encode Reply transport headers

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Refactor: Instead of re-parsing the ingress RPC Call transport
header when constructing the egress RPC Reply transport header, use
the new parsed Write list and Reply chunk, which are version-
agnostic and already XDR decoded.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever
2020-06-17 11:50:34 -04:00
parent 7a1cbfa180
commit 6911f3e10c
2 changed files with 80 additions and 62 deletions
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37
include/trace/events/rpcrdma.h
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@@ -1447,9 +1447,44 @@ DECLARE_EVENT_CLASS(svcrdma_segment_event,
TP_ARGS(handle, length, offset))
DEFINE_SEGMENT_EVENT(send_rseg);
DEFINE_SEGMENT_EVENT(encode_wseg);
DEFINE_SEGMENT_EVENT(send_wseg);
TRACE_EVENT(svcrdma_encode_wseg,
TP_PROTO(
const struct svc_rdma_send_ctxt *ctxt,
u32 segno,
u32 handle,
u32 length,
u64 offset
),
TP_ARGS(ctxt, segno, handle, length, offset),
TP_STRUCT__entry(
__field(u32, cq_id)
__field(int, completion_id)
__field(u32, segno)
__field(u32, handle)
__field(u32, length)
__field(u64, offset)
),
TP_fast_assign(
__entry->cq_id = ctxt->sc_cid.ci_queue_id;
__entry->completion_id = ctxt->sc_cid.ci_completion_id;
__entry->segno = segno;
__entry->handle = handle;
__entry->length = length;
__entry->offset = offset;
),
TP_printk("cq_id=%u cid=%d segno=%u %u@0x%016llx:0x%08x",
__entry->cq_id, __entry->completion_id,
__entry->segno, __entry->length,
(unsigned long long)__entry->offset, __entry->handle
)
);
TRACE_EVENT(svcrdma_decode_rseg,
TP_PROTO(
const struct rpc_rdma_cid *cid,