probe module("nfs").function("nfs4_proc_layoutreturn")
{
	printf("nfs4_proc_layoutreturn: Hello world\n");
}
probe module("nfs").function("nfs4_layoutreturn_prepare")
{
	printf("nfs4_layoutreturn_prepare: Hello world\n");
}
probe module("nfs").function("nfs4_layoutreturn_done")
{
	printf("nfs4_layoutreturn_done: Hello world\n");
}
probe module("nfs").function("nfs4_layoutreturn_release")
{
	printf("nfs4_layoutreturn_release: Hello world\n");
}

probe begin { log("starting nfs4_proc_layoutreturn probe") }
probe end { log("ending nfs4_proc_layoutreturn probe") }