Messages in this thread | | | Date | Fri, 22 Feb 2002 11:38:43 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: Flash Back -- kernel 2.1.111 |
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On Fri, 22 Feb 2002, Alan Cox wrote:
> > Does forcing a command to bypass the contents in the cache meaning > > anything. This is not a cache sync like SCSI. It is a cache bypass and > > will violate the journal on the down/commit block. > > Thats a really useful option for a whole load of operations. Database folk > in paticular may well benefit as will O_DIRECT stuff >
I agree that command mode has a proper use but the goal was to add in write ordering barrier operations w/ a setfeature to modify the behavior of the command.
Cheers,
Andre Hedrick Linux Disk Certification Project Linux ATA Development
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