Mohammed Gamal wrote: > On Tue, Apr 20, 2010 at 8:36 PM, jvrao <jv...@linux.vnet.ibm.com> wrote: > > ... <snip> ... > >>> This'd be something interesting to do. I wonder if that would fit in >>> the GSoC timeframe, or whether it'd be a little too short. So how long >>> you'd estimate something like that would take? >> I think it would take ~3PM for someone with decent VFS/NFS knowledge. >> They key is fh-to-dentry mapping. In the loose cache mode client caches >> this information .. but even in this mode we can't assume that it will be >> cached >> forever. Need protocol amendments, client/server side changes to implement >> this in the no-cache mode which can be used even in the loose cache mode when >> we get a cache-miss. >> >> Thanks, >> JV > > I think I'd be glad to go for virtio-9p in GSoC. The roadmap is a > little bit hazy for me at the moment but I think we can set the goals. > I'd appreciate some pointers as to where to get more info on what to > do and if there is any relevant documentation on that matter.
You can wet your feet by starting with the patch set "[Qemu-devel] [PATCH -V5 00/21] virtio-9p: paravirtual file system passthrough" on the mailing list. Start QEMU on any latest distro like Fedora 12; choose mainline kernel for guest. You can start QEMU with something like "-virtfs local,path=/tmp/,mount_tag=v_tmp" and mount it on the guest. ex: mount -t 9p -o trans=virtio -o debug=0xFFFF v_tmp /mnt. http://plan9.bell-labs.com/wiki/plan9/9p2010/index.html gives basic information on .L protocol. You can start to play around.. by exporting NFS on top of VirtFS.. Thanks, JV > > Regards, > Mohammed > >
