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Re: mjf-devfs2 branch
On Monday, 31 Mar 2008 9:41:14
> Block devices don't give you that now. They access the
> _metadata_ cache -- it no longer holds file data, and the
> allocation scheme it uses now is utterly performance-destroying if
> you try to use a block device from userspace to get cached access
> to the underlying diskdrive.
Thanks for the explanation, I had the misconception that disk blocks
accessed via block devices were always directly added in the buffer
cache.
--
Matthew Mondor
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