On Mon, Oct 15, 2007 at 02:25:46PM +1000, David Chinner wrote:
quoted text
> > Hm, well I saw the problem with a filesystem made with mkfs.xfs with no
> > options, so there must be at least *some* vmapping going on there.
> 
> Sorry - I should have been more precise - vmap should never be used in
> performance critical paths on default configs.  Log recovery will
> trigger vmap/vunmap usage, so this is probably what you are seeing.

The iclogs are also vmapped, but they aren't unmapped until unmount so
this optimizations doesn't matter either.

-
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/