From: "Stephen C. Tweedie" <sct@redhat.com>
To: Reto Baettig <baettig@scs.ch>
Cc: Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>,
Stephen Tweedie <sct@redhat.com>
Subject: Re: 64bit offsets for block devices ?
Date: Thu, 7 Dec 2000 16:41:25 +0000 [thread overview]
Message-ID: <20001207164125.F13934@redhat.com> (raw)
In-Reply-To: <3A2E5227.693121F@scs.ch>
In-Reply-To: <3A2E5227.693121F@scs.ch>; from baettig@scs.ch on Wed, Dec 06, 2000 at 06:50:15AM -0800
Hi,
On Wed, Dec 06, 2000 at 06:50:15AM -0800, Reto Baettig wrote:
> Imagine we have a virtual disk which provides a 64bit (sparse) address
> room. Unfortunately we can not use it as a block device because in a lot
> of places (including buffer_head structure), we're using a long or even
> an int for the block number.
>
> Is there any way of getting a standardized way of doing I/O to a block
> device which could handle 64bit addresses for the block number?
It's on the agenda for urgent fixing in 2.5 (along with
block-dev-layer support for high memory on Intel, and merging in
better disk profiling, and a general cleanup of the data tables in
ll_rw_blk.c).
Cheers,
Stephen
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prev parent reply other threads:[~2000-12-07 17:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-12-06 14:50 64bit offsets for block devices ? Reto Baettig
2000-12-07 4:07 ` Peter Samuelson
2000-12-07 6:16 ` Brian Pomerantz
2000-12-07 13:24 ` Alan Cox
2000-12-07 16:41 ` Stephen C. Tweedie [this message]
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