[blktrace kernel patch] Separate out non-blktrace-specific code

[Alan D. Brunelle]

Tom Zanussi wrote:
> Tom Zanussi writes:
>  > This patch moves the non-block-specific code out of the core blktrace
>  > kernel code and moves it into a separate utt.* files, so that anyone
>  > can use it for generic tracing.  It also adds a config option,
>  > CONFIG_UTT, and hooks up the remaining code in blktrace.c to use it.
>  > The accompanying userspace patch does the same thing for the userspace
>  > tools.
>  > 
>
> I should have mentioned that the kernel patch was against a recent git
> kernel, and doesn't apply cleanly to a 2.6.18 stable kernel.  Here's a
> patch against 2.6.18 stable.  I've only had time to compile-test it -
> no time right now to do anything more, since I'm almost out the
> door - hopefully it works...
>
> Tom
>
>   
FYI: I was able to patch a 2.6.18-based kernel (with this patch) & 
latest blktrace sources, and able to successfully capture traces and 
process them with UTT in place. This seems to work just fine for me.

Alan
PS. Dual-Opteron w/ U320 SCSI disk used for tracing...