On Tue, Aug 30, 2011 at 05:06:42PM +1000, Dave Chinner wrote: > > The advantage of using our own list is that we can still then sort > them (might be thousands of buffers we queue in a single pass) > before submitting them for IO. The on-stack plugging doesn't allow > this at all, IIUC, as itis really just a FIFO list above the IO > scheduler queues.... The on-stack plugging already sorts - manually in that code for the request queues (not interesting for us), and currently by block number as well using the elevator. But the current code is more of a guideline, I have some fairly big changes for the that area of block layer in the pipeline. _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
