Without it multiple threads can race and end up sharing a device
when the intention is sharing only after full round robin.
Signed-off-by: paul luse <paul.e.luse@intel.com>
Change-Id: I29b854ff837d56078bc033802d3df244728a29aa
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8187
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
bb8102b1ff