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SubjectRe: [RFC][PATCH] jobfs - new virtual filesystem for job kernel/user interface
On Wed, Dec 08, 2004 at 02:03:21PM -0800, Limin Gu wrote:
> Hello,
>
> I am looking for your comments on the attached draft, it is the job patch
> for 2.6.9. I have posted job patch for older kernel before, but in this patch
> I have replaced the /proc/job binary ioctl calls with a new small virtual
> filesystem (jobfs).
>
> Job uses the hook provided by PAGG (Process Aggregates). A job is a group
> related processes all descended from a point of entry process and identified
> by a unique job identifier (jid). You can find the general information
> about PAGG and Job at http://oss.sgi.com/projects/pagg/
>
> I will very much appreciate your comments, suggestions and criticisms
> on this new filesystem design and implementation as the job kernel/user
> communication interface. The patch is still a draft.
>
> Thank you!

I maintain my position that this belongs in /proc.

Why not have a structure something like:

/proc/<pid>/job -> ../jobs/<jid>
/proc/jobs/<jid>/<pid> -> ../../<pid>

What other information is really necessary from userland?

Robin
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