Allow SWMR reader to be set before SWMR writer

Hi,

This is a request to allow SWMR write access to a file that is already opened by a SWMR reader.

The background and context for this request can be seen in:

Thanks a lot for your work!

Thank you for your acknowledgement of our work! Really appreciate the comment!

I entered HDFFV-10706 and will need to talk to our developers about how feasible this request is with the current and new implementations that are in progress now. Please check the ticket for updates.

I hope we will be able to address it, but no promises at this point.

Thank you!

Elena