At 2012-03-20 16:51:30,"Ian Campbell" <Ian.Campbell@xxxxxxxxxx> wrote:
>On Tue, 2012-03-20 at 08:42 +0000, hxkhust wrote:
>> Hi,
>>
>> I'm sorry to ask some little questions to you again.
>> The following words are mentioned In your last email.
>> >Newer kernels (e.g. mainline 3.0+) do not have any blktap at all, In
>> >this case xl will fallback automatically to using the "qdisk" backend
>> >provided by qemu (be aware that the performance of this is not great)
>>
>> Where do you know that?(which is helpful for me)Don't the blktap and
>> blktap2 under direction "tools" work in the kernel 3.0+?(I just find
>> they are compiled...)
>
>These are the userspace tools half of blktap1 and blktap2. blktap also
>requires a kernel driver which is not present in mainline 3.0+, it was
>this kernel part that I was referring to above.
>
>Ian.
>
>
>
>
Thanks.You are so kind.
hxk
