>> There another question I have: does the writeback go through the io >> scheduler? Because no matter the io scheduler or the tuning done, the >> writeback algorithm totally starves the reads. > > I noticed this annoying writes-starve-reads problem too. I'll look into it. Thanks > >> Is there anything I can do about this behaviour by creating a better >> interleaving of the reads and writes? > > I guess it should be handled in the generic block io layer. Once we > solved the writes-starve-reads problem, the bursty-writeback behavior > becomes a no-problem for SSD. Yeah this was the part where I figured the io-schedulers kicked in, but obviously I was wrong :P. If I can do anything more to help this along, let me know. Thanks Jos -- 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