On Mon, Jun 24, 2019 at 07:52:53AM +0200, Christoph Hellwig wrote: > Lift the xfs code for tracing address space operations to the iomap > layer. > > Signed-off-by: Christoph Hellwig <hch@xxxxxx> .... > diff --git a/include/trace/events/iomap.h b/include/trace/events/iomap.h > new file mode 100644 > index 000000000000..da50ece663f8 > --- /dev/null > +++ b/include/trace/events/iomap.h > @@ -0,0 +1,82 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * Copyright (c) 2009-2019, Christoph Hellwig > + * All Rights Reserved. > + */ > +#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? -Dave. -- Dave Chinner david@xxxxxxxxxxxxx
