From owner-freebsd-hackers  Mon Aug 31 02:27:37 1998
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Date: Mon, 31 Aug 1998 05:26:35 -0400 (EDT)
From: Luoqi Chen <luoqi@watermarkgroup.com>
Message-Id: <199808310926.FAA13727@lor.watermarkgroup.com>
To: hackers@FreeBSD.ORG, imp@village.org
Subject: Re:  64k physio limit
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> Is there any way to get a larger I/O to happen than 64k?  I have a tape
> drive that would be happiest if I could do 256kish writes to it at a time,
> rather than only 64k.
> 
> Warner
> 
Set the device driver's cdevsw:d_maxio to 256k?

-lq

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