Re: [PATCH 1/2] mtip32xx: Remove 'registers' and 'flags' from sysfs

From: Asai Thambi S P
Date: Wed Jun 06 2012 - 14:04:19 EST


On 6/5/2012 1:25 PM, Greg KH wrote:

> On Tue, Jun 05, 2012 at 11:18:15AM -0700, Asai Thambi S P wrote:
>> On 6/5/2012 2:33 AM, Greg KH wrote:
>>
>>> On Mon, Jun 04, 2012 at 12:43:03PM -0700, Asai Thambi S P wrote:
>>>>
>>>> This patch removes entries 'registers' and 'flags' from sysfs. Updated ABI file
>>>> to reflect this change.
>>>>
>>>> Reported-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>>>> Signed-off-by: Asai Thambi S P <asamymuthupa@xxxxxxxxxx>
>>>
>>> Much nicer, thanks for doing this:
>>>
>>> Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
>>>
>>> But, one question on a different sysfs file:
>>>
>>>> What: /sys/block/rssd*/status
>>>> Date: April 2012
>>>> KernelVersion: 3.4
>>>> Contact: Asai Thambi S P <asamymuthupa@xxxxxxxxxx>
>>>> Description: This is a read-only file. Indicates the status of the device.
>>>
>>> What "status" is this showing? Why is this a sysfs file? Who
>>> needs/wants it?
>>
>>
>> This shows the device status - online, write_protect or thermal_shutdown. This
>> would be used by management application.
>
> Is it used by a management application? Shouldn't such a tool use the
> "standard" block device status files instead? I thought we exported
> that information already in the /sys/block/* files.
>


device status is not exported by standard block interface.

--
Regards,
Asai Thambi
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