Re: [PATCH 2/5] mtip32xx: Add new sysfs entry 'status' and fix restartport

From: Asai Thambi S P
Date: Fri Apr 06 2012 - 20:28:25 EST


On 4/6/2012 4:30 PM, Greg KH wrote:

>>> > > What do the existing api files show for block devices?
>>> > >
>> >
>> >
>> > I was looking into sysfs-driver-* files to create sysfs-driver-mtip32xx.
>> > These files have paths like /sys/bus/pci/*, /sys/devices/*,
>> > /sys/class/bluetooth/*, etc.
>> >
>> > There are sysfs-block-dm and sysfs-block-zram files with
>> > /sys/block/dm-<num>/dm/* and /sys/block/zram<id>/*. If I have to follow
>> > these, then the file would be sysfs-driver-rssd with /sys/block/<disk>/*.
>> >
>> > Let me know.
> /sys/block/rs*/ would be the right place, right? You know the tree
> better than I do as you have this hardware and can see where in sysfs
> the files really are :)

Yes, I started that way and found /sys/block/rssda is a sym link to
/sys/devices/pci0000\:00/0000\:00\:01.0/0000\:01\:00.0/block/rssda/.
That is when I got the doubt, is it ok to use the sym link path or
should use the actual path.

I will go ahead with filename sysfs-block-rssd and path
/sys/block/rssd*/<entry>.

Thanks.

--
Regards,
Asai Thambi
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