Re: [Suspend2][ 0/9] Extents support.

From: Nigel Cunningham
Date: Tue Jun 27 2006 - 05:07:35 EST


Hi.

On Tuesday 27 June 2006 17:53, Greg KH wrote:
> Well, as your stuff does not have anything to do with "processes",
> putting it in /proc is not acceptable.
>
> sysfs is one value per file, and if that matches up to what you need,
> then it should be fine to use.

It does.

> You do need to have some kind of function for every sysfs entry, but you
> can group common ones together (as the hwmon drivers do.)

Ok. I'll take a look.

> As you will not have a backing "device" to attach your files to, you
> will probably need to deal with "raw" kobjects, and the learning curve
> for how to create files in sysfs with them is unfortunatly a bit steep.
> But there is lots of working examples in the kernel that do this (block
> devices, md, driver core, etc.), there's plenty of code to copy from to
> get it to work.
>
> And if that doesn't look like fun, you can always just use create a new
> filesystem (only 200 lines of code), or use debugfs.
>
> good luck,

Ok. I'll give it a go. Thanks for the pointers, Greg.

Regards,

Nigel
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