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Date:      Thu, 12 Oct 1995 05:35:27 -0400 (EDT)
From:      Peter Dufault <dufault@hda.com>
To:        julian@freefall.freebsd.org (Julian Elischer)
Cc:        CVS-commiters@freefall.freebsd.org, cvs-sys@freefall.freebsd.org
Subject:   Re: cvs commit: src/sys/scsi sd.c st.c
Message-ID:  <199510120935.FAA02039@hda.com>
In-Reply-To: <199510120202.TAA28012@freefall.freebsd.org> from "Julian Elischer" at Oct 11, 95 07:02:06 pm

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> 
> julian      95/10/11 19:02:06
> 
>   Modified:    sys/scsi  sd.c st.c
>   Log:
>   Ack!
>   sometime around 1.51, the check for minphys dissappeared out of
>   transfers for disks..
>   we weren't hecking that the adapter could handle a transfer of
>   the size we were requesting..
>   Peter!?
>    :)

I moved it up into scsi_strategy.  I apparently missed the raw I/O
case.

>   this explains the rash of failures I've seen reported recently
>   with "too many DMA segments" on raw devices
>   
>   (added one for st as well)

Can you put it in scsi_read/scsi_write instead so that all devices
will have it?  Certainly the worm (if anyone ever gets one to test)
will need it.

--

Peter Dufault               Real Time Machine Control and Simulation
HD Associates, Inc.         Voice: 508 433 6936
dufault@hda.com             Fax:   508 433 5267



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