Re: User space SCSI target in 3.15?

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Nicholas A. Bellinger wrote:

> Hi Sergej,
> 
> On Tue, 2014-01-28 at 15:58 +0000, Sergej Roytman wrote:
>> I am looking into a user space SCSI target.  I notice that this is
>> planned
>> for the 3.15 release of the kernel, probably later this year.  I also
>> notice a thread on this mailing list (participants: Shaohua Li and Andy
>> Grover) that discusses something that sounds very much like, and even
>> includes a patch file.  May I assume that this thread and the planned
>> change are one and the same?  If not, is there any way for me to get a
>> prototype of the new code, so I can have my stuff ready by the time 3.15
>> comes out?
>> 
>> Thanks in advance, and apologies for the newbie question!
>> 
> 
> Shaohua's patchset to implement a TCM userspace backend driver
> (target_core_user) is the code that we're planning to move forward with
> for >= v3.15.
> 
> Unfortunately, I've not had time to review the series, and still owe
> Shaohua feedback on his original posting from November.  I expect to be
> (finally) getting to this code by mid February, and start making forward
> progress for v3.15 shortly thereafter.

Having looked at the patch, I have one big question: Why create a whole new 
method for setting up a userspace/kernelspace ring buffer, when vhost 
exists?


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