@@ -252,6 +252,21 @@ BlockBackend *blk_next(BlockBackend *blk)
}
/*
+ * Like blk_next(), but skips all non-inserted BlockBackends (that is,
+ * BlockBackends for which blk_is_inserted() returns false)
+ */
+BlockBackend *blk_next_inserted(BlockBackend *blk)
+{
+ while ((blk = blk_next(blk)) != NULL) {
+ if (blk_is_inserted(blk)) {
+ break;
+ }
+ }
+
+ return blk;
+}
+
+/*
* Return @blk's name, a non-null string.
* Wart: the name is empty iff @blk has been hidden with
* blk_hide_on_behalf_of_hmp_drive_del().
@@ -73,6 +73,7 @@ const char *blk_name(BlockBackend *blk);
BlockBackend *blk_by_name(const char *name);
bool blk_name_taken(const char *name);
BlockBackend *blk_next(BlockBackend *blk);
+BlockBackend *blk_next_inserted(BlockBackend *blk);
BlockDriverState *blk_bs(BlockBackend *blk);
void blk_remove_bs(BlockBackend *blk);