Only FDs are used for passing them to another process,
we can unlink them after creation.
Here we only unlink the files created in vfio-user,
and there is still one file created via libvfio-user,
it will be fixed via
https://github.com/nutanix/libvfio-user/issues/660.
Partly fix issue #2449.
Change-Id: Ie27640e0cb85f44596e9d0ad5a2b67adf0419f5c
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12195
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: John Levon <levon@movementarian.org>
Reviewed-by: Jim Harris <james.r.harris@intel.com>