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Index: head/sys/tools/vnode_if.awk
===================================================================
--- head/sys/tools/vnode_if.awk
+++ head/sys/tools/vnode_if.awk
@@ -367,14 +367,11 @@
add_pre(name);
for (i = 0; i < numargs; ++i)
add_debug_code(name, args[i], "Entry", "\t");
- printc("\tif (__predict_true(!SDT_PROBES_ENABLED() && vop->"name" != NULL)) {");
+ printc("\tif (!SDT_PROBES_ENABLED()) {");
printc("\t\trc = vop->"name"(a);")
printc("\t} else {")
printc("\t\tSDT_PROBE2(vfs, vop, " name ", entry, a->a_" args[0] ", a);");
- printc("\t\tif (vop->"name" != NULL)")
- printc("\t\t\trc = vop->"name"(a);")
- printc("\t\telse")
- printc("\t\t\trc = vop->vop_bypass(&a->a_gen);")
+ printc("\t\trc = vop->"name"(a);")
printc("\t\tSDT_PROBE3(vfs, vop, " name ", return, a->a_" args[0] ", a, rc);");
printc("\t}")
printc("\tif (rc == 0) {");
@@ -449,6 +446,11 @@
printc("\t\tvop = vop->vop_default;")
printc("\tif (vop != NULL)");
printc("\t\torig_vop->vop_bypass = vop->vop_bypass;");
+ printc("");
+ for (name in funcarr) {
+ printc("\tif (orig_vop->"name" == NULL)");
+ printc("\t\torig_vop->"name" = (void *)orig_vop->vop_bypass;");
+ }
printc("");
printc("\torig_vop->registered = true;");
printc("}")

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