nfsd: Add "nfsd_" to trace point names

Follow naming convention used in client and in sunrpc layers.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/nfs4layouts.c b/fs/nfsd/nfs4layouts.c
index 7d88836..228faf0 100644
--- a/fs/nfsd/nfs4layouts.c
+++ b/fs/nfsd/nfs4layouts.c
@@ -165,7 +165,7 @@ nfsd4_free_layout_stateid(struct nfs4_stid *stid)
 	struct nfs4_client *clp = ls->ls_stid.sc_client;
 	struct nfs4_file *fp = ls->ls_stid.sc_file;
 
-	trace_layoutstate_free(&ls->ls_stid.sc_stateid);
+	trace_nfsd_layoutstate_free(&ls->ls_stid.sc_stateid);
 
 	spin_lock(&clp->cl_lock);
 	list_del_init(&ls->ls_perclnt);
@@ -264,7 +264,7 @@ nfsd4_alloc_layout_stateid(struct nfsd4_compound_state *cstate,
 	list_add(&ls->ls_perfile, &fp->fi_lo_states);
 	spin_unlock(&fp->fi_lock);
 
-	trace_layoutstate_alloc(&ls->ls_stid.sc_stateid);
+	trace_nfsd_layoutstate_alloc(&ls->ls_stid.sc_stateid);
 	return ls;
 }
 
@@ -334,7 +334,7 @@ nfsd4_recall_file_layout(struct nfs4_layout_stateid *ls)
 	if (list_empty(&ls->ls_layouts))
 		goto out_unlock;
 
-	trace_layout_recall(&ls->ls_stid.sc_stateid);
+	trace_nfsd_layout_recall(&ls->ls_stid.sc_stateid);
 
 	refcount_inc(&ls->ls_stid.sc_count);
 	nfsd4_run_cb(&ls->ls_recall);
@@ -507,7 +507,7 @@ nfsd4_return_file_layouts(struct svc_rqst *rqstp,
 						false, lrp->lr_layout_type,
 						&ls);
 	if (nfserr) {
-		trace_layout_return_lookup_fail(&lrp->lr_sid);
+		trace_nfsd_layout_return_lookup_fail(&lrp->lr_sid);
 		return nfserr;
 	}
 
@@ -523,7 +523,7 @@ nfsd4_return_file_layouts(struct svc_rqst *rqstp,
 			nfs4_inc_and_copy_stateid(&lrp->lr_sid, &ls->ls_stid);
 		lrp->lrs_present = 1;
 	} else {
-		trace_layoutstate_unhash(&ls->ls_stid.sc_stateid);
+		trace_nfsd_layoutstate_unhash(&ls->ls_stid.sc_stateid);
 		nfs4_unhash_stid(&ls->ls_stid);
 		lrp->lrs_present = 0;
 	}
@@ -694,7 +694,7 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
 		/*
 		 * Unknown error or non-responding client, we'll need to fence.
 		 */
-		trace_layout_recall_fail(&ls->ls_stid.sc_stateid);
+		trace_nfsd_layout_recall_fail(&ls->ls_stid.sc_stateid);
 
 		ops = nfsd4_layout_ops[ls->ls_layout_type];
 		if (ops->fence_client)
@@ -703,7 +703,7 @@ nfsd4_cb_layout_done(struct nfsd4_callback *cb, struct rpc_task *task)
 			nfsd4_cb_layout_fail(ls);
 		return -1;
 	case -NFS4ERR_NOMATCHING_LAYOUT:
-		trace_layout_recall_done(&ls->ls_stid.sc_stateid);
+		trace_nfsd_layout_recall_done(&ls->ls_stid.sc_stateid);
 		task->tk_status = 0;
 		return 1;
 	}
@@ -716,7 +716,7 @@ nfsd4_cb_layout_release(struct nfsd4_callback *cb)
 		container_of(cb, struct nfs4_layout_stateid, ls_recall);
 	LIST_HEAD(reaplist);
 
-	trace_layout_recall_release(&ls->ls_stid.sc_stateid);
+	trace_nfsd_layout_recall_release(&ls->ls_stid.sc_stateid);
 
 	nfsd4_return_all_layouts(ls, &reaplist);
 	nfsd4_free_layouts(&reaplist);