Re: [RFC PATCH 0/8] Add configurable block device LED triggers

From: Pavel Machek
Date: Thu Jul 29 2021 - 14:35:46 EST


On Thu 2021-07-29 12:03:04, Ian Pilcher wrote:
> On 7/29/21 3:54 AM, Pavel Machek wrote:
> > We normally have a trigger ("block device activity") which can then
> > expose parameters ("I watch for read" and "I monitor sda1").
> >
> > Is there a reason normal solution can not be used?
>
> This big difference is that this allows different devices to drive
> different LEDs. For example, my NAS has 5 drive bays, each of which
> has its own activity LED. With these patches, I can create a
> separate trigger for each of those LEDs and associate the drive in each
> bay with the correct LED:

Yes, and I'd like to have that functionality, but I believe userland
API should be similar to what we do elsewhere. Marek described it in
more details.

Best regards,
Pavel
--
http://www.livejournal.com/~pavelmachek

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