Re: [PATCH 0/1] block io layer filters api

[Jens Axboe]

On 8/27/20 1:13 PM, Sergei Shtepa wrote:
> Hello everyone! Requesting for your comments and suggestions.
> 
> We propose new kernel API that should be beneficial for out-of-tree
> kernel modules of multiple backup vendors: block layer filter API.

That's just a non-starter, I'm afraid. We generally don't carry
infrastructure in the kernel for out-of-tree modules, that includes
even exports of existing code.

If there's a strong use case *in* the kernel, then such functionality
could be entertained.

-- 
Jens Axboe