linux-kernel - Re: [PATCH 06/19] block: add an optional probe callback to major

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Date:   Fri, 4 Sep 2020 12:20:56 +0200
From:   Hannes Reinecke <hare@...e.de>
To:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Denis Efremov <efremov@...ux.com>,
        "David S. Miller" <davem@...emloft.net>,
        Song Liu <song@...nel.org>, Al Viro <viro@...iv.linux.org.uk>,
        Finn Thain <fthain@...egraphics.com.au>,
        Michael Schmitz <schmitzmic@...il.com>,
        linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-ide@...r.kernel.org, linux-raid@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-m68k@...ts.linux-m68k.org
Subject: Re: [PATCH 06/19] block: add an optional probe callback to
 major_names

On 9/3/20 10:01 AM, Christoph Hellwig wrote:
> Add a callback to the major_names array that allows a driver to override
> how to probe for dev_t that doesn't currently have a gendisk registered.
> This will help separating the lookup of the gendisk by dev_t vs probe
> action for a not currently registered dev_t.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>
> ---
>   block/genhd.c         | 21 ++++++++++++++++++---
>   include/linux/genhd.h |  5 ++++-
>   2 files changed, 22 insertions(+), 4 deletions(-)
> Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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