This allows us to have a different queue depth on I/O channels than on metadata/sync channels Change-Id: I30dfc95af550082efffec4b12ed6c4cd4b8c11cf Signed-off-by: Ben Walker <benjamin.walker@intel.com> Reviewed-on: https://review.gerrithub.io/361672 Tested-by: <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>