Re: safe file systems
Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 24 Sep 1997 19:38:25 +0100 (BST)
> Also, your writes have to be very strictly ordered. Some intelligent IO
> subsystems will reorder your write operations on you, which I guess could
> cause lots of really obscure hard to track down funnies if you were unaware
> of you IO doing this.
SCSI itself has flags to stop that happening. We don't appear to have any way
right now to mark a request ordered let alone tell the scsi layer to tell
the card to order it.
Alan