linux-kernel - Re: [PATCH v4 1/2] docs: Add block device (blkdev) LED trigger documentation

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Date:   Fri, 17 Sep 2021 08:19:35 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Ian Pilcher <arequipeno@...il.com>
Cc:     pavel@....cz, linux-leds@...r.kernel.org,
        linux-kernel@...r.kernel.org, kabel@...nel.org
Subject: Re: [PATCH v4 1/2] docs: Add block device (blkdev) LED trigger
 documentation

On Thu, Sep 16, 2021 at 03:21:26PM -0500, Ian Pilcher wrote:
> +What:		/sys/class/leds/<led>/link_device
> +Date:		September 2021
> +Contact:	Ian Pilcher <arequipeno@...il.com>
> +Description:
> +		Associate a block device with this LED by writing the path to
> +		the device special file (e.g. /dev/sda) to this attribute.
> +		Symbolic links are followed.  Optionally, the leading "/dev/"
> +		may be omitted.

No, please don't follow symlinks, stick with kernel names here,
otherwise you have a mismatch between that and the list of devices in
this file:

> +What:		/sys/class/leds/<led>/linked_devices

thanks,

greg k-h