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SubjectRe: 2.6: how do I this in sysfs?
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On Mon, 29 Aug 2005 12:24:18 -0500, "Miller, Mike (OS Dev)" <Mike.Miller@hp.com> wrote:

>
>> This is after my minimal sas transport class, please also
>> read the thread about it on linux-scsi
>>
>In the referenced code for using sysfs, there only appear to be methods
>for reading attributes. How about if we want to cause a command to
>get written out to the hardware? Do we do something like this?
>
> /* get a semaphore keep everyone else out while we're working,
> and hope like hell that all the other processes are playing
> nice and using the semaphore too, or else we're hosed. */
>
[...]
> release_some_kind_of_semaphore();
>
>I'm not suggesting that the above is a good idea. I don't have a good
>idea about how to do this.

Take a look at hwmon drivers, it is nowhere near so bad as you think.

Grant.

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