From owner-freebsd-hackers Thu Jan 22 23:56:01 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id XAA09671 for hackers-outgoing; Thu, 22 Jan 1998 23:56:01 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from word.smith.net.au (vh1.gsoft.com.au [203.38.152.122]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id XAA09637 for ; Thu, 22 Jan 1998 23:55:56 -0800 (PST) (envelope-from mike@word.smith.net.au) Received: from word (localhost [127.0.0.1]) by word.smith.net.au (8.8.8/8.8.5) with ESMTP id SAA01534; Fri, 23 Jan 1998 18:18:41 +1030 (CST) Message-Id: <199801230748.SAA01534@word.smith.net.au> X-Mailer: exmh version 2.0zeta 7/24/97 To: Satoh Junichi cc: Pedro A M Vazquez , hackers@FreeBSD.ORG Subject: Re: wfd/zip ATAPI In-reply-to: Your message of "Thu, 22 Jan 1998 12:22:56 +1030." Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 23 Jan 1998 18:18:40 +1030 From: Mike Smith Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk Just following up on my earlier posting. > > I think WRITE-12 is better. > > But, the LS-120 drive didn't work with WRITE-12. > > So, I didn't use WRITE-12 on wfd driver. The Linux IDE floppy driver offers READ/WRITE-12 as options, but doesn't appear to provide a mechanism for setting the option (probably just my ignorance). > I have been wondering if there isn't some timing or size limitation > that we're hitting with the Zip; it's hard to be sure what it's really > unhappy about though. And indeed, there is a comment in the Linux code to the effect that transfers of more than 64 sectors cause some drives to lock up. I'll look at this tonight; any clever ideas for splitting a transfer up, or can I just specify D_NOCLUSTERRW for d_flags in the bdevsw? -- \\ Sometimes you're ahead, \\ Mike Smith \\ sometimes you're behind. \\ mike@smith.net.au \\ The race is long, and in the \\ msmith@freebsd.org \\ end it's only with yourself. \\