create sysfs class attribute and sub directories

[Jeshwanth Kumar N K]

Hello List :),

I have a small question about sysfs.
I am creating a kernel module to print some versions in sysfs attributes.
So the directory tree would be.
/sys/class/versions/main/version
                          /dev/version

So, versions is my class directory, inside that two directories main and
dev, both directory should contains version attribute. I am little familiar
with creating with sysfs class attribute using struct class, but how to
create the directory (like main/dev) and create attributes in both
directory ?

I have one more question, Is sysfs is right place to display version
information ?

Thanks in Advance :)

-- 
Regards
Jeshwanth Kumar N K
Bangalore, India
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