There are some cases that virtual bdev open and close
the device and QoS will be disabled at the last close.
In this case, when a new bdev open operation comes again,
the QoS needs to be enabled again.
Change-Id: I792e610f4592bad1cac55c6c55261d4946c6b3e2
Signed-off-by: GangCao <gang.cao@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442953 (master)
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447455
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>