On 12/25/2012 03:47 PM, MORITA Kazutaka wrote: > I wonder if we should disable cache when cache=none. Many management > frontend uses cache=none by default but, I think, users still expect > that data is cached (e.g. by disk write cache when a raw format is > used). cache=none only means that the host page cache is not used for > VM disk IO. > > In that sense,
Well, I found setting cache=directsync will contain 'BDRV_O_CACHE_WB'. Is this a bug for current master? If no, my current scheme will be the only way to bypass cache of sheepdog. Thanks, Yuan