[Qemu-devel] [RFC] vhost-blk implementation (v2)

2010-04-06 Thread Badari Pulavarty
Hi All, Here is the latest version of vhost-blk implementation. Major difference from my previous implementation is that, I now merge all contiguous requests (both read and write), before submitting them. This significantly improved IO performance. I am still collecting performance numbers, I will

[Qemu-devel] [RFC] vhost-blk implementation

2010-03-23 Thread Badari Pulavarty
Hi, Inspired by vhost-net implementation, I did initial prototype of vhost-blk to see if it provides any benefits over QEMU virtio-blk. I haven't handled all the error cases, fixed naming conventions etc., but the implementation is stable to play with. I tried not to deviate from vhost-net implem