Once some host has connected to the nvmf target, make sure that the
version number is stable and cannot be changed.
Signed-off-by: NMax Gurtovoy <mgurtovoy@nvidia.com>
Signed-off-by: NNoam Gottlieb <ngottlieb@nvidia.com>
Signed-off-by: NChristoph Hellwig <hch@lst.de>