where is disk block access in kernel ?

[Mulyadi Santosa]

On Wed, Mar 2, 2016 at 4:57 PM, Ran Shalit <ranshalit at gmail.com> wrote:

> Hello,
>
> I would like to monitor the write access to disk blocks (so that I can
> monitor the block index in some bitmap)
> I think this must be done in kernel (userspace have no such information)
> I have tried to search in kernel but did not found where is the API to
> access disk blocks.
> There is libata-core.c , but I can't find such routines there, and
> neither any documentation.
>
> Is there any idea ?
>
> Regards,
> Ran
>
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Hi

Sounds like something doable via ftrace.

try to check if it is feasible to be done using ftrace


-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com

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