If we don't have rbd-blkin support, compile fails with:
engines/rbd.c:21:26: error: field ‘info’ has incomplete type
struct blkin_trace_info info;
^~~~
Makefile:313: recipe for target 'engines/rbd.o' failed
Hide 'info' behind the ifdef.
Fixes:
a4c4c3460bd5 ("Add support for blkin tracing in rbd engine")
Signed-off-by: Jens Axboe <axboe@fb.com>
rbd_completion_t completion;
int io_seen;
int io_complete;
rbd_completion_t completion;
int io_seen;
int io_complete;
struct blkin_trace_info info;
struct blkin_trace_info info;