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From: Christian Iversen <chrivers@iversen-net.dk>
To: linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: Is it possible to support a sector size 8192
Date: Fri, 22 Jul 2005 21:21:16 +0200	[thread overview]
Message-ID: <200507222121.16685.chrivers@iversen-net.dk> (raw)
In-Reply-To: <E1Dw26Z-0005m7-JQ@sledge.mossbank.org.uk>

On Friday 22 July 2005 20:18, Steve McIntyre wrote:
> Johann wrote:
> >Hi everybody,
> >
> >i'm trying to access UDO/WORM mediums (which have a sector size of
> >8192) via a Plasmon UDO drive, but all I get is "unsupported sector
> >size 8192" when I try to access it via /dev/sdX. drivers/scsi/sd.c
> >suggests that the maximum sector size currently supported by Linux is
> >4096.
> >
> >How difficult will it get to support 8192? Maybe we can pay somebody
> >for doing it? (Kernel 2.4.21, RHEL 3.1).
>
> We (at Plasmon) investigated adding support in the kernel, but gave up
> quickly as it looked like it would need a huge amount of work in
> multiple areas. Instead, we've started shipping a userland filesystem
> driver for UDO based on FUSE. If you'd be interested in that, let me
> know...

Wouldn't it be possible to translate the sector size 2:1? For me, it doesn't 
seem that hard to do. But then again, I usually program other things than the 
kernel :)

-- 
Regards,
Christian Iversen

  reply	other threads:[~2005-07-22 19:21 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-22 19:26 Is it possible to support a sector size 8192 Johann Hanne
2005-07-22 18:18 ` Steve McIntyre
2005-07-22 19:21   ` Christian Iversen [this message]
2005-07-22 21:21   ` Bryan Henderson
2005-07-23 13:31     ` Johann Hanne
2005-07-23 18:29     ` Steve McIntyre
2005-07-23 13:28   ` Johann Hanne
2005-07-23 18:56     ` Steve McIntyre
2005-07-25 15:43     ` Jay Denebeim
2005-07-25 19:08       ` Steve McIntyre
2005-07-25 19:37         ` Jay Denebeim
2005-07-25 20:49           ` Steve McIntyre
2005-07-25 22:38         ` Johann Hanne
2005-07-25 20:50           ` Steve McIntyre

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