[RFC 19/23] block/xen-blkback: Make it running on 64KB page granularity

2015-05-14 Thread Julien Grall
The PV block protocol is using 4KB page granularity. The goal of this patch is to allow a Linux using 64KB page granularity behaving as a block backend on a non-modified Xen. It's only necessary to adapt the ring size and the number of request per indirect frames. The rest of the code is relying

[RFC 19/23] block/xen-blkback: Make it running on 64KB page granularity

2015-05-14 Thread Julien Grall
The PV block protocol is using 4KB page granularity. The goal of this patch is to allow a Linux using 64KB page granularity behaving as a block backend on a non-modified Xen. It's only necessary to adapt the ring size and the number of request per indirect frames. The rest of the code is relying