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Re: [PATCH v2 2/2] block: deprecate the sheepdog block driver

22.09.2020 19:16, Daniel P. Berrangé wrote:
This thread from a little over a year ago:


states that sheepdog is no longer actively developed. The only mentioned
users are some companies who are said to have it for legacy reasons with
plans to replace it by Ceph. There is talk about cutting out existing
features to turn it into a simple demo of how to write a distributed
block service. There is no evidence of anyone working on that idea:


No real commits to git since Jan 2018, and before then just some minor
technical debt cleanup..

There is essentially no activity on the mailing list aside from
patches to QEMU that get CC'd due to our MAINTAINERS entry.

Fedora packages for sheepdog failed to build from upstream source
because of the more strict linker that no longer merges duplicate
global symbols. Fedora patches it to add the missing "extern"
annotations and presumably other distros do to, but upstream source
remains broken.

There is only basic compile testing, no functional testing of the

Since there are no build pre-requisites the sheepdog driver is currently
enabled unconditionally. This would result in configure issuing a
deprecation warning by default for all users. Thus the configure default
is changed to disable it, requiring users to pass --enable-sheepdog to
build the driver.

Signed-off-by: Daniel P. Berrangé<berrange redhat com>

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov virtuozzo com>

Best regards,

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