Date: Thu, 12 Oct 1995 06:40:41 -0700 From: David Greenman <davidg@Root.COM> To: Peter Dufault <dufault@hda.com> Cc: julian@freefall.freebsd.org (Julian Elischer), CVS-commiters@freefall.freebsd.org, cvs-sys@freefall.freebsd.org Subject: Re: cvs commit: src/sys/scsi sd.c st.c Message-ID: <199510121340.GAA00191@corbin.Root.COM> In-Reply-To: Your message of "Thu, 12 Oct 95 05:35:27 EDT." <199510120935.FAA02039@hda.com>
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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. How important is this fix? We've pretty much frozen the 2.1-stable code, so I'm very reluctant to make any further changes unless they are show-stoppers. -DG
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