linux-kernel - Re: [PATCH 1/8] partitions/efi: use lba-aware partition records

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Message-ID: <20130902101042.GB30710@x2.net.home>
Date:	Mon, 2 Sep 2013 12:10:42 +0200
From:	Karel Zak <kzak@...hat.com>
To:	Davidlohr Bueso <davidlohr@...com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Jens Axboe <axboe@...nel.dk>,
	Matt Domsch <Matt_Domsch@...l.com>, Jim Hull <jim.hull@...com>,
	Peter Jones <pjones@...hat.com>,
	Chegu Vinod <chegu_vinod@...com>,
	Aswin Chandramouleeswaran <aswin@...com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] partitions/efi: use lba-aware partition records

On Mon, Aug 05, 2013 at 10:21:09PM -0700, Davidlohr Bueso wrote:
>  
> +typedef struct _gpt_record {
> +        u8      boot_indicator; /* unused by EFI, set to 0x80 for bootable */
> +        u8      start_head;     /* unused by EFI, pt start in CHS */
> +        u8      start_sector;   /* unused by EFI, pt start in CHS */
> +        u8      start_track;
> +        u8      os_type;        /* EFI and legacy non-EFI OS types */
> +        u8      end_head;       /* unused by EFI, pt end in CHS */
> +        u8      end_sector;     /* unused by EFI, pt end in CHS */
> +        u8      end_track;      /* unused by EFI, pt end in CHS */
> +        __le32  starting_lba;   /* used by EFI - start addr of the on disk pt */
> +        __le32  size_in_lba;    /* used by EFI - size of pt in LBA */
> +} __attribute__ ((packed)) gpt_record;
> +

 Maybe it would be better to rename this struct to "gpt_mbr_record" to
 make it more obvious.

    Karel

-- 
 Karel Zak  <kzak@...hat.com>
 http://karelzak.blogspot.com
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