[PATCH v2 3/4] block: make bdrv_find_child() function public

[Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>]

To be reused soon.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
 include/block/block_int.h |  1 +
 block.c                   | 13 +++++++++++++
 blockdev.c                | 14 --------------
 3 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/include/block/block_int.h b/include/block/block_int.h
index f4c75e8ba9..79bdde8bf4 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -1433,6 +1433,7 @@ BdrvDirtyBitmap *block_dirty_bitmap_remove(const char *node, const char *name,
                                            BlockDriverState **bitmap_bs,
                                            Error **errp);
 
+BdrvChild *bdrv_find_child(BlockDriverState *parent_bs, const char *child_name);
 BdrvChild *bdrv_cow_child(BlockDriverState *bs);
 BdrvChild *bdrv_filter_child(BlockDriverState *bs);
 BdrvChild *bdrv_filter_or_cow_child(BlockDriverState *bs);
diff --git a/block.c b/block.c
index 0ac5b163d2..840d52e7c8 100644
--- a/block.c
+++ b/block.c
@@ -7727,6 +7727,19 @@ int bdrv_make_empty(BdrvChild *c, Error **errp)
     return 0;
 }
 
+BdrvChild *bdrv_find_child(BlockDriverState *parent_bs, const char *child_name)
+{
+    BdrvChild *child;
+
+    QLIST_FOREACH(child, &parent_bs->children, next) {
+        if (strcmp(child->name, child_name) == 0) {
+            return child;
+        }
+    }
+
+    return NULL;
+}
+
 /*
  * Return the child that @bs acts as an overlay for, and from which data may be
  * copied in COW or COR operations.  Usually this is the backing file.
diff --git a/blockdev.c b/blockdev.c
index 0eb2823b1b..ce23059d5e 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -3644,20 +3644,6 @@ out:
     aio_context_release(aio_context);
 }
 
-static BdrvChild *bdrv_find_child(BlockDriverState *parent_bs,
-                                  const char *child_name)
-{
-    BdrvChild *child;
-
-    QLIST_FOREACH(child, &parent_bs->children, next) {
-        if (strcmp(child->name, child_name) == 0) {
-            return child;
-        }
-    }
-
-    return NULL;
-}
-
 void qmp_x_blockdev_change(const char *parent, bool has_child,
                            const char *child, bool has_node,
                            const char *node, Error **errp)
-- 
2.31.1