Re: [PATCH 0/5] block: loop: add file format subsystem and QCOW2 file format driver

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On Sat, Aug 24, 2019 at 12:56:14AM +0200, development@xxxxxxxxxxxxxxxxx wrote:
> From: Manuel Bentele <development@xxxxxxxxxxxxxxxxx>
> 
> Hi
> 
> Regarding to the following discussion [1] on the mailing list I show you 
> the result of my work as announced at the end of the discussion [2].
> 
> The discussion was about the project topic of how to implement the 
> reading/writing of QCOW2 in the kernel. The project focuses on an read-only 
> in-kernel QCOW2 implementation to increase the read/write performance 
> and tries to avoid nbd. Furthermore, the project is part of a project 
> series to develop a in-kernel network boot infrastructure that has no need 

I'd suggest you to share more details about this use case first:

1) what is the in-kernel network boot infrastructure? which functions
does it provide for user?

2) how does the in kernel QCOW2 interacts with in-kernel network boot
infrastructure?

3) most important thing, what are the exact steps for one user to use
the in-kernel network boot infrastructure and in-kernel QCOW2?

Without knowing the motivation/purpose and exact use case, it doesn't
make sense to discuss the implementation details, IMO.

Thanks,
Ming



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