linux-kernel - Re: [PATCH v2 1/3] block, partition: add partition_meta_info to hd

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Date:	Wed, 04 Aug 2010 09:57:25 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Will Drewry <wad@...omium.org>
CC:	linux-kernel@...r.kernel.org, Kay Sievers <kay.sievers@...y.org>,
	Jens Axboe <axboe@...nel.dk>, Karel Zak <kzak@...hat.com>,
	"David S. Miller" <davem@...emloft.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joe Perches <joe@...ches.com>, Jan Blunck <jblunck@...e.de>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH v2 1/3] block, partition: add partition_meta_info to hd_struct

Hello,

On 08/04/2010 04:04 AM, Will Drewry wrote:
> This changes adds a partition_meta_info struct which itself contains a
> union of structures that provide partition table specific metadata.
> 
> This change leaves the union empty. The subsequent patch includes an
> implementation for CONFIG_EFI_PARTITION-based metadata.
> 
> Signed-off-by: Will Drewry <wad@...omium.org>

Generally looks good to me.

>  /*
>   * add_gd_partition adds a partitions details to the devices partition
>   * description.
> @@ -12,6 +13,7 @@ struct parsed_partitions {
>  		sector_t from;
>  		sector_t size;
>  		int flags;
> +		struct partition_meta_info *info;
>  	} parts[DISK_MAX_PARTS];

But you can just embed the structure here.  It's a temp data structure
to make things easier for individual partition scan code.  There's no
need to save bytes.

Thanks.

-- 
tejun
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