This is to follow naming style in container-legacy.c to have low level functions
with vfio_legacy_ prefix.

No functional changes.

Suggested-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Yi Liu <yi.l.liu@intel.com>
---
 hw/vfio/container-legacy.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/hw/vfio/container-legacy.c b/hw/vfio/container-legacy.c
index 8e9639603e..b7e3b892b9 100644
--- a/hw/vfio/container-legacy.c
+++ b/hw/vfio/container-legacy.c
@@ -68,9 +68,10 @@ static int vfio_ram_block_discard_disable(VFIOLegacyContainer *container,
     }
 }
 
-static int vfio_dma_unmap_bitmap(const VFIOLegacyContainer *container,
-                                 hwaddr iova, uint64_t size,
-                                 IOMMUTLBEntry *iotlb)
+static int
+vfio_legacy_dma_unmap_get_dirty_bitmap(const VFIOLegacyContainer *container,
+                                       hwaddr iova, uint64_t size,
+                                       IOMMUTLBEntry *iotlb)
 {
     const VFIOContainer *bcontainer = VFIO_IOMMU(container);
     struct vfio_iommu_type1_dma_unmap *unmap;
@@ -141,7 +142,8 @@ static int vfio_legacy_dma_unmap_one(const VFIOLegacyContainer *container,
     if (iotlb && vfio_container_dirty_tracking_is_started(bcontainer)) {
         if (!vfio_container_devices_dirty_tracking_is_supported(bcontainer) &&
             bcontainer->dirty_pages_supported) {
-            return vfio_dma_unmap_bitmap(container, iova, size, iotlb);
+            return vfio_legacy_dma_unmap_get_dirty_bitmap(container, iova, size,
+                                                          iotlb);
         }
 
         need_dirty_sync = true;
-- 
2.47.1