Re: [RFC][PATCH] block: Isolate the buffer cache in it's own mappings.

[David Chinner]

On Sun, Oct 21, 2007 at 02:24:46PM +1000, Nick Piggin wrote:
> On Saturday 20 October 2007 07:27, Eric W. Biederman wrote:
> > Currently only 
> > metadata is more or less in sync with the contents of /dev/hda1.
> 
> It either is or it isn't, right? And it is, isn't it? (at least
> for the common filesystems).

It is not true for XFS - it's metadata is not in sync with /dev/<block>
at all as all the cached metadata is kept in a different address space
to the raw block device.

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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