1*2d5dc3baSKonrad Rzeszutek WilkWhat: /sys/module/xen_blkfront/parameters/max 2*2d5dc3baSKonrad Rzeszutek WilkDate: June 2013 3*2d5dc3baSKonrad Rzeszutek WilkKernelVersion: 3.11 4*2d5dc3baSKonrad Rzeszutek WilkContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 5*2d5dc3baSKonrad Rzeszutek WilkDescription: 6*2d5dc3baSKonrad Rzeszutek Wilk Maximum number of segments that the frontend will negotiate 7*2d5dc3baSKonrad Rzeszutek Wilk with the backend for indirect descriptors. The default value 8*2d5dc3baSKonrad Rzeszutek Wilk is 32 - higher value means more potential throughput but more 9*2d5dc3baSKonrad Rzeszutek Wilk memory usage. The backend picks the minimum of the frontend 10*2d5dc3baSKonrad Rzeszutek Wilk and its default backend value. 11