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Date:   Tue, 10 Aug 2021 11:43:52 -0500
From:   Ian Pilcher <>
To:     Greg KH <>
Cc:     Marek BehĂșn <>,,,,,,,,
Subject: Re: [RFC PATCH v2 00/10] Add configurable block device LED triggers

On 8/10/21 11:24 AM, Greg KH wrote:
> There should not be anything "odd" about block devices here, just do
> whatever all other LED drivers do when referencing a device.

AFAIK, the only LED trigger that does anything similar is the netdev
trigger.  It uses dev_get_by_name(), which is specific to network

The block subsystem doesn't appear to have any similar API, which is
why Enzo submitted his patch to export block_class and disk_type back
in April[1], when he wanted to do something similar.

I'm basically bypassing the need to export the symbols, because my
trigger code is actually in the block subsystem, rather than the LEDs


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