Re: Flash Back -- kernel 2.1.111

From: Alan Cox (alan@lxorguk.ukuu.org.uk)
Date: Fri Feb 22 2002 - 14:56:12 EST


> 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
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