At least XFS can support appending AIO writes easily, and Sergey has demonstrated a use case for them. I've not done any performance testing myself, but ensured that xfstests already exercises the code path. -- 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