These patches avoid many fallbacks to POSIX AIO and enable Linux AIO even if nocache is not specified. Also add flush support with Linux AIO.
Frediano Ziglio (2): linux aio: support flush operation aio: use Linux AIO even if nocache is not specified block/raw-posix.c | 30 +++++++++++++++++------------- linux-aio.c | 3 +++ 2 files changed, 20 insertions(+), 13 deletions(-)