Re: [PATCH] 64 bit scsi read/write

Chris Wedgwood (cw@f00f.org)
Sun, 15 Jul 2001 16:02:47 +1200


On Sat, Jul 14, 2001 at 10:33:44AM -0700, Jonathan Lundell wrote:

What's worse, though the spec is not explicit on this point, it
appears that the write cache is lost on a SCSI reset, which is
typically used by drivers for last-resort error recovery. And of
course a SCSI bus reset affects all the drives on the bus, not
just the offending one.

Doesn't SCSI have a notion of write barriers?

Even if this is required, the above still works because for anything
requiring a barrier, you wait of a positive SYNCHRONIZE CACHE

--cw

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