diff options
| author | Chuck Lever <chuck.lever@oracle.com> | 2019-02-11 11:25:20 -0500 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-02-14 10:04:37 -0500 |
| commit | cf500bac8fd48b57f38ece890235923d4ed5ee91 (patch) | |
| tree | cde3b6cb76a940f87e934f2c8855195ba08aa232 /include/trace | |
| parent | 2573a46499956c2ff311e1a65052364243161e78 (diff) | |
SUNRPC: Introduce rpc_prepare_reply_pages()
prepare_reply_buffer() and its NFSv4 equivalents expose the details
of the RPC header and the auth slack values to upper layer
consumers, creating a layering violation, and duplicating code.
Remedy these issues by adding a new RPC client API that hides those
details from upper layers in a common helper function.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/sunrpc.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/trace/events/sunrpc.h b/include/trace/events/sunrpc.h index e58dda8e038c..8451f30c6a0f 100644 --- a/include/trace/events/sunrpc.h +++ b/include/trace/events/sunrpc.h @@ -461,6 +461,43 @@ TRACE_EVENT(rpc_xdr_alignment, ) ); +TRACE_EVENT(rpc_reply_pages, + TP_PROTO( + const struct rpc_rqst *req + ), + + TP_ARGS(req), + + TP_STRUCT__entry( + __field(unsigned int, task_id) + __field(unsigned int, client_id) + __field(const void *, head_base) + __field(size_t, head_len) + __field(const void *, tail_base) + __field(size_t, tail_len) + __field(unsigned int, page_len) + ), + + TP_fast_assign( + __entry->task_id = req->rq_task->tk_pid; + __entry->client_id = req->rq_task->tk_client->cl_clid; + + __entry->head_base = req->rq_rcv_buf.head[0].iov_base; + __entry->head_len = req->rq_rcv_buf.head[0].iov_len; + __entry->page_len = req->rq_rcv_buf.page_len; + __entry->tail_base = req->rq_rcv_buf.tail[0].iov_base; + __entry->tail_len = req->rq_rcv_buf.tail[0].iov_len; + ), + + TP_printk( + "task:%u@%u xdr=[%p,%zu]/%u/[%p,%zu]\n", + __entry->task_id, __entry->client_id, + __entry->head_base, __entry->head_len, + __entry->page_len, + __entry->tail_base, __entry->tail_len + ) +); + /* * First define the enums in the below macros to be exported to userspace * via TRACE_DEFINE_ENUM(). |