On Wed, 7 March 2007 09:51:35 +0100, Jan Kara wrote: > > I'll probably first write some userspace fs-reorganizer to find out how > much these changes in layout are able to give you in performance (i.e. > whether it's worth the effort of more complicated kernel online > defragmenter).
Have tried profiling the read accesses and prereading them asynchronously on startup? That appears to have improved E17 a lot. See http://lca2007.linux.org.au/talk/101 (and watch the video). Jörn -- The competent programmer is fully aware of the strictly limited size of his own skull; therefore he approaches the programming task in full humility, and among other things he avoids clever tricks like the plague. -- Edsger W. Dijkstra - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
