Re: [PATCH 12/12] iomap: add tracing for the address space operations

[Christoph Hellwig]

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..