Re: [PATCH] block: add missing block_bio_complete() tracepoint

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On Mon, Jan 30, 2012 at 02:51:43PM +0900, Namhyung Kim wrote:
> Hi,
> 2012-01-30 11:53 AM, Tejun Heo wrote:
> >Hello,
> >
> >On Mon, Jan 30, 2012 at 11:49:43 AM +0900, Namhyung Kim wrote:
> >>Yes, blktrace will see both of completions for rq and bio's it
> >>contains from now on, and I thought it's your intention? For the
> >>bounced bio's, it'll see one more completion per bio.
> >
> >Umm... no, blktrace users shouldn't see confusing outputs.  My point
> >was that we should leave raw tracepoints as raw monitor points so that
> >they can provide raw data to different users and filter from
> >blktrace.c so that the existing users aren't disturbed.
> >
> That means blktrace should not be changed, and not see duplicated
> completions for rq based drivers at all?



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