ftrace: Introduce struct ftrace_graph_data
ftrace: Introduce struct ftrace_graph_data

The struct ftrace_graph_data is for generalizing the access to
set_graph_function file.  This is a preparation for adding support to
set_graph_notrace.

Link: http://lkml.kernel.org/r/1381739066-7531-3-git-send-email-5c915a589b3ddf58cebf14bec41bcc143b37ac3c@kernel.org

Signed-off-by: Namhyung Kim <5c915a589b3ddf58cebf14bec41bcc143b37ac3c@kernel.org>
Signed-off-by: Steven Rostedt <43232e92d70cc7aa53504ad0397085ee47bad87f@goodmis.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs