Subject: Re: test of new powerdown facility
To: Peter Wieland <>
From: Matthew Jacob <>
List: tech-kern
Date: 06/12/1998 11:56:53
FUA is a per-command bit. I haven't gone back and read the
spec, but I believe you can treat it as a "force write-through
cache" operation. I'm not sure what the effect on other
drive queued  (tagged) commands are.

A FUA bit should probably reflect the (inverse) setting of B_ASYNC.
Again, *if* you have the drive set to a writeback policy.