From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neil@brown.name>
Subject: Re: [PATCH 06/23] md: remove the autoscan partition re-read
Date: Thu, 16 Jul 2020 09:34:05 +1000
Message-ID: <878sfkxsia.fsf@notabene.neil.brown.name>
References: <20200714190427.4332-1-hch@lst.de> <20200714190427.4332-7-hch@lst.de>
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In-Reply-To: <20200714190427.4332-7-hch@lst.de>
Sender: linux-kernel-owner@vger.kernel.org
To: Christoph Hellwig <hch@lst.de>, linux-kernel@vger.kernel.org
Cc: "H. Peter Anvin" <hpa@zytor.com>, Song Liu <song@kernel.org>, Al Viro <viro@zeniv.linux.org.uk>, Linus Torvalds <torvalds@linux-foundation.org>, linux-raid@vger.kernel.org, linux-fsdevel@vger.kernel.org
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On Tue, Jul 14 2020, Christoph Hellwig wrote:

> devfs is long gone, and autoscan works just fine without this these days.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Acked-by: Song Liu <song@kernel.org>

Happy to see this go!

Reviewed-by: NeilBrown <neilb@suse.de>

Thanks,
NeilBrown


> ---
>  drivers/md/md-autodetect.c | 10 ----------
>  1 file changed, 10 deletions(-)
>
> diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c
> index 0eb746211ed53c..6bc9b734eee6ff 100644
> --- a/drivers/md/md-autodetect.c
> +++ b/drivers/md/md-autodetect.c
> @@ -240,16 +240,6 @@ static void __init md_setup_drive(void)
>  			err =3D ksys_ioctl(fd, RUN_ARRAY, 0);
>  		if (err)
>  			printk(KERN_WARNING "md: starting md%d failed\n", minor);
> -		else {
> -			/* reread the partition table.
> -			 * I (neilb) and not sure why this is needed, but I cannot
> -			 * boot a kernel with devfs compiled in from partitioned md
> -			 * array without it
> -			 */
> -			ksys_close(fd);
> -			fd =3D ksys_open(name, 0, 0);
> -			ksys_ioctl(fd, BLKRRPART, 0);
> -		}
>  		ksys_close(fd);
>  	}
>  }
> --=20
> 2.27.0

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