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SubjectRe: 2.2.0 wishlist
  Date: 	Mon, 17 Jun 1996 10:26:48 +0200 (MET DST)
From: Michael Neuffer <>

On Sun, 16 Jun 1996, Alan Cox wrote:

> > One of the things wished for EXT2 is extra robustness,
> > which can be achieved with writing the meta-data, and
> > data in correct sequential order to the disk.
> Nope. A modern caching IDE drive will not always honour the physical write order
> you give it blocks.

Neither will a caching SCSI controller.


Is a SYNCHRONIZE CACHE SCSI command sufficient to enforce ordering on the
caching controller? If so, One could use such a command to force batches of
commands to be completed and on the media before subsequent batches are


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