NFSv4.1: Add tracepoints for debugging slot table operations

Add tracepoints to nfs41_setup_sequence and nfs41_sequence_done
to track session and slot table state changes.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

fs/nfs/nfs4trace.c

@@ -4,6 +4,8 @@
 #include <linux/nfs_fs.h>
 #include "nfs4_fs.h"
 #include "internal.h"
+#include "nfs4session.h"
+#include "callback.h"
 
 #define CREATE_TRACE_POINTS
 #include "nfs4trace.h"