Re: [PATCH 08/18] sd: use __register_blkdev to avoid a modprobe for an unregistered dev_t

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To: Christoph Hellwig <hch@xxxxxx>
Subject: Re: [PATCH 08/18] sd: use __register_blkdev to avoid a modprobe for an unregistered dev_t
From: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
Date: Thu, 29 Oct 2020 22:13:21 -0400
Cc: Jens Axboe <axboe@xxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, Denis Efremov <efremov@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Song Liu <song@xxxxxxxxxx>, Al Viro <viro@xxxxxxxxxxxxxxxxxx>, Finn Thain <fthain@xxxxxxxxxxxxxxxxxxx>, Michael Schmitz <schmitzmic@xxxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-ide@xxxxxxxxxxxxxxx, linux-raid@xxxxxxxxxxxxxxx, linux-scsi@xxxxxxxxxxxxxxx, linux-m68k@xxxxxxxxxxxxxxx, Hannes Reinecke <hare@xxxxxxx>
In-reply-to: <20201029145841.144173-9-hch@lst.de> (Christoph Hellwig's message of "Thu, 29 Oct 2020 15:58:31 +0100")
Organization: Oracle Corporation
References: <20201029145841.144173-1-hch@lst.de> <20201029145841.144173-9-hch@lst.de>

Christoph,

> Switch from using blk_register_region to the probe callback passed to
> __register_blkdev to disable the request_module call for an unclaimed
> dev_t in the SD majors.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> Reviewed-by: Hannes Reinecke <hare@xxxxxxx>

Acked-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>

-- 
Martin K. Petersen	Oracle Linux Engineering

References:
- simplify gendisk lookup and remove struct block_device aliases v4
  - From: Christoph Hellwig
- [PATCH 08/18] sd: use __register_blkdev to avoid a modprobe for an unregistered dev_t
  - From: Christoph Hellwig

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