On Tue, Jun 25, 2019 at 12:15:15PM +0200, Christoph Hellwig wrote:
> On Tue, Jun 25, 2019 at 09:49:21AM +1000, Dave Chinner wrote:
> > > +#undef TRACE_SYSTEM
> > > +#define TRACE_SYSTEM iomap
> > 
> > Can you add a comment somewhere here that says these tracepoints are
> > volatile and we reserve the right to change them at any time so they
> > don't form any sort of persistent UAPI that we have to maintain?
> 
> Sure.  Note that we don't have any such comment in xfs either..

I think we ought to add a comment to both of the tracepoint header files
in xfs then...

--D

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