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Sender: Alexander Motin <mavbsd@gmail.com>
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Date: Fri, 10 Dec 2010 17:57:47 +0200
From: Alexander Motin <mav@FreeBSD.org>
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To: Andriy Gapon <avg@freebsd.org>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Where userland read/write requests, whcih is larger than MAXPHYS,
 are splitted?
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Andriy Gapon wrote:
> on 10/12/2010 16:45 Alexander Motin said the following:
>> by default. Many SCSI drivers still limited by DFLTPHYS - 64K.
> 
> Including the cases where MAXBSIZE is abused because it historically has the same
> value.

DFLTPHYS automatically assumed by CAM for all SIMs not reporting their
maximal I/O size. All drivers using MAXBSIZE most likely will fall into
this category, because this functionality was added just at 8.0.

-- 
Alexander Motin