vfs_glusterfs: Replace eventfd with pipes, for AIO use
Pipes clean up the AIO implementation substantially, due to the fact
that they implement a natural ithread safe queue instead of us
creating our own queue.
Signed-off-by: Ira Cooper <ira@samba.org>
Signed-off-by: Poornima G <pgurusid@redhat.com>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Ira Cooper <ira@samba.org>
Autobuild-Date(master): Wed Jan 21 20:40:11 CET 2015 on sn-devel-104