On Mon, Oct 15, 2007 at 02:25:46PM +1000, David Chinner wrote: > > 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. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/