Re: Questions about XFS

[harryxiyou <harryxiyou@xxxxxxxxx>]

On Fri, Oct 25, 2013 at 10:57 PM, Eric Sandeen <sandeen@xxxxxxxxxxx> wrote:
> On 10/25/13 9:42 AM, Emmanuel Florac wrote:
>> Le Fri, 25 Oct 2013 22:28:10 +0800
>> harryxiyou <harryxiyou@xxxxxxxxx> Ãcrivait:
>>
>>> 1, How to install XFS on Linux OS, I should do like below, right?
>>>    a, Download latest Linux Kernel Source Codes.
>>>    b, Compile the Linux Kernel and select XFS feature when I do the
>>> configuration (make menuconfig).
>>
>> No, XFS is supported by all Linux distributions out of the box. To use
>> XFS, you may eventually need to install the xfs-progs package.
>>
>>
>>> 2, Does XFS support real-time feature after I install it on Linux
>>> Kernel? And how to use real-time feature on Linux Kernel.
>>>
>>
>> Yes. What do you want to do with realtime XFS?
>>
>
> well, yes and no.  It supports the "realtime subvolume" which is
> not really technically "realtime."  It does have a more deterministic
> allocator, but it doesn't have GRIO (Guaranteed Realtime I/O) like
> IRIX does.
>

What about let Linux Kernel support GRIO like IRIX does. I think this
would be a good feature for XFS. Actually, I prefer designing and
implementing this feature for XFS.

Any comments?



-- 
Thanks
Weiwei  Jia (Harry Wei)