Enable virtfs in Natty ??

[Venkateswararao Jujjuri (JV)]

On 12/8/2010 7:06 AM, Tim Gardner wrote:
> On 12/07/2010 10:13 AM, Venkateswararao Jujjuri (JV) wrote:
>> On 12/6/2010 10:20 AM, Tim Gardner wrote:
>>> On 12/06/2010 11:04 AM, Venkateswararao Jujjuri (JV) wrote:
>>>> On 12/6/2010 8:43 AM, Tim Gardner wrote:
>>>>> Looks to me like the only config options that aren't already enabled in Natty
>>>>> are CONFIG_9P_FSCACHE and CONFIG_9P_FS_POSIX_ACL. Do they need to be enabled?
>>>>
>>>> Thanks a lot for looking into our request.
>>>>
>>>> The CONFIG_9P_FS_POSIX_ACL is needed for our newly added
>>>> ACL support, and FSCACHE can be delayed as it is optional to enable caching
>>>> for now.
>>>> Once we add mmap support then we need that config option also for the mmap
>>>> functionality.
>>>> For now no need to enable CONFIG_9P_FSCACHE by default.
>>>>
>>>>    CONFIG_NET_9P=y
>>>>    CONFIG_NET_9P_VIRTIO=m
>>>>    CONFIG_NET_9P_DEBUG=y
>>>>    CONFIG_9P_FS=y
>>>>    CONFIG_9P_FS_POSIX_ACL=y
>>>>
>>>
>>> Will you have mmap support for 2.6.38? If so, we might as well turn on
>>> CONFIG_9P_FSCACHE now so it doesn't get forgotten.
>>
>> What is your release/code cut off dates. For now I think it is safe not to
>> enable this option.
>> users can enable it if they want to use this feature.
> 
> Kernel freeze is before Natty Beta, which is March 24.
> 
> I've enabled CONFIG_9P_FS_POSIX_ACL=y and CONFIG_9P_FSCACHE=y for now. Lets see
> if it causes any problems.

We haven't tested much with cache enabled. So I suggest not to enable
CONFIG_9P_FSCACHE
as it might give wrong impression about the stability.

> 
>>>
>>>> Also this functionality is linked to taking latest QEMU from mainline. What are
>>>> the plans for
>>>> QEMU? Depending on QEMU version config options we need enable may change too.
>>>>
>>>> Thanks,
>>>> JV
>>>>
>>>
>>> This is what rmadison shows for natty:
>>>
>>> qemu | 0.13.0+noroms-0ubuntu9
>>
>> QEMU 0.13 has lot of our stuff but not entirely.  But QEMU 0.14 will have lot
>> more support.
>> Again, what is your schedule and any plans of including QEMU 0.14 level code?
>>
> 
> Dunno about qemu. I suspect if you bugged someone on the foundations or server
> team you might get a better answer. Try Chuck Short chuck.short at canonical.com or
> Dustin Kirkland kirkland at canonical.com.

Thanks for the pointer. Copied these folks.

Thanks,
JV

> 
> rtg