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From: Ian Pilcher <arequipeno@gmail.com>
To: "Valdis Klētnieks" <valdis.kletnieks@vt.edu>
Cc: linux-block@vger.kernel.org, linux-leds@vger.kernel.org,
	axboe@kernel.dk, pavel@ucw.cz, linux-kernel@vger.kernel.org,
	kernelnewbies@kernelnewbies.org
Subject: Re: [RFC PATCH 3/8] block: Add kernel APIs to create & delete block device LED triggers
Date: Thu, 29 Jul 2021 11:16:43 -0500	[thread overview]
Message-ID: <36b97f0a-b435-24fa-df2e-f507a4971bd6@gmail.com> (raw)
In-Reply-To: <110419.1627530334@turing-police>

On 7/28/21 10:45 PM, Valdis Klētnieks wrote:
> Is pr_warn() the right level for this stuff? I'd think this sort of pilot error should
> be pr_info() or even pr_debug(), if mentioned at all.  pr_warn() would be for
> something like an unexpected situation like trying to blink an LED but failing.
> Simple syntax errors should probably just toss a -EINVAL and return.

Fair point.  I'll change it to pr_info().  I'm reluctant to completely
"swallow" the error message, as I've been on the other side as a system
administrator trying to guess at the reason for an error code.

> (Among other things, this allows a userspace script to spam the
> log by simply repeatedly trying to create the same entry)

Only root, and they've got plenty of ways to do that.

Thanks!

-- 
========================================================================
                  In Soviet Russia, Google searches you!
========================================================================

  reply	other threads:[~2021-07-29 16:16 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 [this message]
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
2021-07-29 19:14       ` Ian Pilcher

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