On Fri, Mar 13, 2009 at 12:04:40AM +1100, Nick Piggin wrote: > As far as the per-block pagecache state (as opposed to the per-block fs > state), I don't see any reason it is a problem for efficiency. We have to > do per-page operations anyway. Why? Wouldn't it be nice if we could do arbitrary extents? I suppose superpages or soft page sizes get us most of the way there, but the rounding or pieces at the end are a bit of a pain. Sure, it'll be a huge upheaval for the VM, but we're good at huge upheavals ;-) -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
