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-rw-r--r--block.c10
-rw-r--r--block.h1
2 files changed, 11 insertions, 0 deletions
diff --git a/block.c b/block.c
index 6bbc389ff0..e35c9a65aa 100644
--- a/block.c
+++ b/block.c
@@ -1134,6 +1134,16 @@ void bdrv_info_stats (void)
     }
 }
 
+const char *bdrv_get_encrypted_filename(BlockDriverState *bs)
+{
+    if (bs->backing_hd && bs->backing_hd->encrypted)
+        return bs->backing_file;
+    else if (bs->encrypted)
+        return bs->filename;
+    else
+        return NULL;
+}
+
 void bdrv_get_backing_filename(BlockDriverState *bs,
                                char *filename, int filename_size)
 {
diff --git a/block.h b/block.h
index aa26ef3982..a01fa31b0c 100644
--- a/block.h
+++ b/block.h
@@ -152,6 +152,7 @@ int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
                           const uint8_t *buf, int nb_sectors);
 int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
 
+const char *bdrv_get_encrypted_filename(BlockDriverState *bs);
 void bdrv_get_backing_filename(BlockDriverState *bs,
                                char *filename, int filename_size);
 int bdrv_snapshot_create(BlockDriverState *bs,