From: "H. Peter Anvin" <hpa@zytor.com>
To: Daniel Taylor <Daniel.Taylor@wdc.com>
Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] msdos: add support for large disks
Date: Wed, 03 Mar 2010 15:05:17 -0800 [thread overview]
Message-ID: <4B8EEB2D.4090106@zytor.com> (raw)
In-Reply-To: <3E0C3AE547FA504DA5E89EA5A24AC85803E2BD53@wdscexbe01.sc.wdc.com>
On 03/03/2010 02:50 PM, Daniel Taylor wrote:
>
> The drives report physical/logical sector sizes of 4096 bytes, which the
> kernel correctly detects. 32-bit fields in the MBR are then sufficient for
> storage capacites >2TiB (up to 16 TiB), and the storage in struct
> parsed_partitions is already sector_t.
>
It's probably worth noting that such media:
a) will not work with anything that is based on disk images;
b) will not be bootable on most existing systems.
Both of these are going to be issues for people in real-life use (and
yes, people boot from USB disks -- trust me, when it doesn't work they
send the bug reports to *me* rather than to the hw/bios vendors.) Of
course, so is XP compatibility.
-hpa
next prev parent reply other threads:[~2010-03-03 23:05 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-25 3:17 [PATCH] msdos: add support for large disks Daniel Taylor
2010-03-01 22:13 ` Andrew Morton
2010-03-03 14:02 ` OGAWA Hirofumi
2010-03-03 22:50 ` Daniel Taylor
2010-03-03 23:05 ` H. Peter Anvin [this message]
2010-03-03 23:24 ` Daniel Taylor
2010-03-04 0:17 ` H. Peter Anvin
2010-03-04 9:18 ` OGAWA Hirofumi
2010-03-04 15:29 ` H. Peter Anvin
2010-03-07 10:59 ` OGAWA Hirofumi
2010-03-07 23:03 ` H. Peter Anvin
2010-03-08 0:09 ` OGAWA Hirofumi
2010-03-08 0:12 ` H. Peter Anvin
2010-03-08 9:36 ` OGAWA Hirofumi
2010-03-10 15:48 ` [PATCH 1/2] fs/partitions/msdos: " OGAWA Hirofumi
2010-03-10 15:51 ` [PATCH 2/2] fs/partition/msdos: Fix unusable extended partition for > 512B sector OGAWA Hirofumi
2010-03-10 23:16 ` Daniel Taylor
2010-03-11 11:57 ` OGAWA Hirofumi
2010-03-11 21:25 ` Daniel Taylor
2010-03-11 21:58 ` H. Peter Anvin
2010-03-11 22:06 ` Daniel Taylor
2010-03-11 22:09 ` H. Peter Anvin
2010-03-12 23:44 ` Andrew Morton
2010-03-11 22:17 ` OGAWA Hirofumi
2010-03-11 22:27 ` H. Peter Anvin
2010-03-11 22:40 ` OGAWA Hirofumi
2010-03-10 23:12 ` [PATCH 1/2] fs/partitions/msdos: add support for large disks Daniel Taylor
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