From: Pavel Machek <pavel@ucw.cz>
To: Ian Pilcher <arequipeno@gmail.com>
Cc: linux-block@vger.kernel.org, linux-leds@vger.kernel.org,
axboe@kernel.dk, linux-kernel@vger.kernel.org,
kernelnewbies@kernelnewbies.org
Subject: Re: [RFC PATCH 0/8] Add configurable block device LED triggers
Date: Thu, 29 Jul 2021 20:35:41 +0200 [thread overview]
Message-ID: <20210729183541.GA6772@duo.ucw.cz> (raw)
In-Reply-To: <b108799e-24a2-d5ec-e18e-b7ae8bded085@gmail.com>
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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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next prev parent reply other threads:[~2021-07-29 18:35 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-29 1:53 [RFC PATCH 0/8] Add configurable block device LED triggers Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 1/8] docs: Add block device LED trigger documentation Ian Pilcher
2021-07-29 3:09 ` Valdis Klētnieks
2021-07-29 15:52 ` Ian Pilcher
2021-07-30 5:22 ` Greg KH
2021-07-29 5:53 ` Greg KH
2021-07-29 11:59 ` Marek Behún
2021-07-29 18:03 ` Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 2/8] block: Add block device LED trigger list Ian Pilcher
2021-07-29 3:14 ` Valdis Klētnieks
2021-07-29 15:55 ` Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 3/8] block: Add kernel APIs to create & delete block device LED triggers Ian Pilcher
2021-07-29 3:45 ` Valdis Klētnieks
2021-07-29 16:16 ` Ian Pilcher
2021-07-29 5:52 ` Greg KH
2021-07-29 1:53 ` [RFC PATCH 4/8] block: Add block class attributes to manage LED trigger list Ian Pilcher
2021-07-29 5:54 ` Greg KH
2021-07-29 1:53 ` [RFC PATCH 5/8] block: Add block device LED trigger info to struct genhd Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 6/8] block: Add kernel APIs to set & clear per-block device LED triggers Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 7/8] block: Add block device attributes to set & clear " Ian Pilcher
2021-07-29 1:53 ` [RFC PATCH 8/8] block: Blink device LED when request is sent to low-level driver Ian Pilcher
2021-07-29 8:54 ` [RFC PATCH 0/8] Add configurable block device LED triggers Pavel Machek
2021-07-29 17:03 ` Ian Pilcher
2021-07-29 18:35 ` Pavel Machek [this message]
2021-07-29 19:14 ` Ian Pilcher
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