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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