Re: blksnap: no feedback received on latest patchset - any concerns?

[Christoph Hellwig <hch@infradead.org>]

Hi Fabio,

a 2 year old patchset has been paged out of everyones mind.  I still
think functionality like it would be useful, but it needs to be resend
to get fresh eyes.

On Thu, Mar 19, 2026 at 01:06:10PM +0100, Fabio Fantoni wrote:
> Hi Jens, hi all,
> 
> The blksnap v7 patchset was posted in February 2024 and has received no
> response so far. As someone who has followed this project closely, I wanted
> to ask directly: is there a reason this patchset is not being considered?
> 
> This is a module for non-persistent block device snapshots, useful for
> backup on filesystems like ext4 that don't have their own snapshot
> mechanism. It went through 7 revision cycles with review of some people and
> substantial contributions from Christoph Hellwig. The amount of work that
> Sergei Shtepa and Christoph put into this has been remarkable.
> 
> The silence after v7 seems to have led the developer to abandon the upstream
> effort entirely, which is unfortunate because seems to me there's still a
> need for a block-level snapshot capabilities module integrated upstream, or
> am I wrong?
> 
> I fully understand if there are technical objections, but could you please
> share what they are? Even a definitive rejection, accompanied by clear
> reasoning, would help the community understand whether it’s better to take a
> different approach or address specific concerns in similar cases.
> 
> Thank you for your time.
> 
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