Backward compatibility of librados in Firefly

Ray Lv <raylv@xxxxxxxxxxxxx> · Tue, 25 Mar 2014 07:18:07 +0000

Hi there,

We got a case to use the C APIs of compound operation in librados. These interfaces are only exported as C APIs from Firefly release, such as https://github.com/ceph/ceph/blob/firefly/src/include/rados/librados.h#L1834.
 But our RADOS deployment will stick to the Dumpling release right now. So here are a few questions on that:

Is the librados in Firefly backward compatible with RADOS servers in Dumpling by design?
Is Firefly librados + Dumpling RADOS a configuration validated by the community?
We tried to backport these C APIs from Firefly to Dumpling and noticed there are a couple of commits on it.

Do you guys know a tracker issue or Blueprint that covers the C APIs of compound operation in Firefly?
And moreover, does it make sense to backport these C APIs from Firefly to Dumpling?

Thanks,
Ray

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