Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-20 Thread Michael S. Tsirkin
On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote: > > Hi folks, > > [I am resending to fix the broken thread in the previous one.] > > This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk > device accelerator. Compared to userspace virtio-blk implementation, vhost-bl

Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-18 Thread Stefan Hajnoczi
On Tue, Jul 17, 2012 at 4:09 PM, Michael S. Tsirkin wrote: > On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote: >> >> Hi folks, >> >> [I am resending to fix the broken thread in the previous one.] >> >> This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk >> device acce

Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-17 Thread Asias He
On 07/17/2012 11:09 PM, Michael S. Tsirkin wrote: On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote: Hi folks, [I am resending to fix the broken thread in the previous one.] This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk device accelerator. Compared to usersp

Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-17 Thread Michael S. Tsirkin
On Fri, Jul 13, 2012 at 04:55:06PM +0800, Asias He wrote: > > Hi folks, > > [I am resending to fix the broken thread in the previous one.] > > This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk > device accelerator. Compared to userspace virtio-blk implementation, vhost-bl

Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-16 Thread Asias He
Hi Christoph, On 07/14/2012 03:49 PM, Christoph Hellwig wrote: Please send a version that does direct block I/O similar to xen-blkback for now. Seems xen-blkback converts the guest IO request to host bio and submit them directly. I was wondering whether this has a performance gain compared t

Re: [PATCH RESEND 0/5] Add vhost-blk support

2012-07-14 Thread Christoph Hellwig
Please send a version that does direct block I/O similar to xen-blkback for now. If we get proper in-kernel aio support one day you can add back file backend support. ___ Virtualization mailing list Virtualization@lists.linux-foundation.org https://list

[PATCH RESEND 0/5] Add vhost-blk support

2012-07-13 Thread Asias He
Hi folks, [I am resending to fix the broken thread in the previous one.] This patchset adds vhost-blk support. vhost-blk is a in kernel virito-blk device accelerator. Compared to userspace virtio-blk implementation, vhost-blk gives about 5% to 15% performance improvement. Asias He (5): aio: E