[PATCH tip][0/2] ftrace interface for blktrace

[Arnaldo Carvalho de Melo]

Hi Jens,

	Here is a third version, that also implements blk_add_trace_msg,
using ftrace_vprintk.

	As soon as the TRACE_ITER_CONTEXT_INFO option is implemented
I'll provide the struct trace_event->bin() callback to synthesize the
old blktrace record format so that we can test the output of trace_pipe
with blkparse -i -.

	Please let me know if this is acceptable for inclusion on
linux-tip.

Best Regards,

- Arnaldo

 block/blktrace.c       |  651 ++++++++++++++++++++++++++++++++++++++++++++++++-
 fs/partitions/check.c  |    7 
 include/linux/ftrace.h |    8 
 kernel/trace/trace.c   |    9 
 kernel/trace/trace.h   |    1 
 5 files changed, 671 insertions(+), 5 deletions(-)
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