NFSv4.1: add tracepoint to trunked nfs4_exchange_id calls

[linux-2.6-microblaze.git] / fs / nfs / nfs4trace.h

diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 713d080..7d9cb98 100644 (file)
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -77,6 +77,36 @@ DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session);
 DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence);
 DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete);
 
+TRACE_EVENT(nfs4_trunked_exchange_id,
+               TP_PROTO(
+                       const struct nfs_client *clp,
+                       const char *addr,
+                       int error
+               ),
+
+               TP_ARGS(clp, addr, error),
+
+               TP_STRUCT__entry(
+                       __string(main_addr, clp->cl_hostname)
+                       __string(trunk_addr, addr)
+                       __field(unsigned long, error)
+               ),
+
+               TP_fast_assign(
+                       __entry->error = error < 0 ? -error : 0;
+                       __assign_str(main_addr, clp->cl_hostname);
+                       __assign_str(trunk_addr, addr);
+               ),
+
+               TP_printk(
+                       "error=%ld (%s) main_addr=%s trunk_addr=%s",
+                       -__entry->error,
+                       show_nfs4_status(__entry->error),
+                       __get_str(main_addr),
+                       __get_str(trunk_addr)
+               )
+);
+
 TRACE_EVENT(nfs4_sequence_done,
                TP_PROTO(
                        const struct nfs4_session *session,