On Fri, 2009-09-04 at 16:51 +1000, npiggin@xxxxxxx wrote: > Improve scalability of files_lock by adding per-cpu, per-sb files lists, > protected with per-cpu locking. Effectively turning it into a big-writer > lock. What I did was fine-grain locking the double linked list so that you can delete items without hitting a global lock. For addition I added per-cpu list-heads that would be spliced onto the global list once in a while. Granted, the code was a tad involved... and hch wanted to get rid of these lists, which is of course a much better solution. -- 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