diff --git a/include/block/block-global-state.h b/include/block/block-global-state.h
index 9e0ccc1c32..6b21fbc73f 100644
--- a/include/block/block-global-state.h
+++ b/include/block/block-global-state.h
@@ -142,8 +142,7 @@ bdrv_refresh_limits(BlockDriverState *bs, Transaction *tran, Error **errp);
 
 int bdrv_commit(BlockDriverState *bs);
 int GRAPH_RDLOCK bdrv_make_empty(BdrvChild *c, Error **errp);
-int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
-                             const char *backing_fmt, bool warn);
+
 void bdrv_register(BlockDriver *bdrv);
 int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base,
                            const char *backing_file_str);
diff --git a/include/block/block-io.h b/include/block/block-io.h
index 58c4cf50a0..f8729ccc55 100644
--- a/include/block/block-io.h
+++ b/include/block/block-io.h
@@ -210,6 +210,14 @@ void bdrv_round_to_subclusters(BlockDriverState *bs,
 void bdrv_get_backing_filename(BlockDriverState *bs,
                                char *filename, int filename_size);
 
+int coroutine_fn GRAPH_RDLOCK
+bdrv_co_change_backing_file(BlockDriverState *bs, const char *backing_file,
+                            const char *backing_fmt, bool warn);
+
+int co_wrapper_bdrv_rdlock
+bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
+                         const char *backing_fmt, bool warn);
+
 int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
                       int64_t pos, int size);
 
diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
index ed6066929a..59f6d7f195 100644
--- a/include/block/block_int-common.h
+++ b/include/block/block_int-common.h
@@ -331,8 +331,9 @@ struct BlockDriver {
                                   const char *name,
                                   Error **errp);
 
-    int (*bdrv_change_backing_file)(BlockDriverState *bs,
-        const char *backing_file, const char *backing_fmt);
+    int coroutine_fn GRAPH_RDLOCK_PTR (*bdrv_co_change_backing_file)(
+        BlockDriverState *bs, const char *backing_file,
+        const char *backing_fmt);
 
     /* TODO Better pass a option string/QDict/QemuOpts to add any rule? */
     int (*bdrv_debug_breakpoint)(BlockDriverState *bs, const char *event,
diff --git a/block.c b/block.c
index ed0afdffbd..4910b95d7d 100644
--- a/block.c
+++ b/block.c
@@ -5764,13 +5764,14 @@ int coroutine_fn bdrv_co_check(BlockDriverState *bs,
  *            image file header
  * -ENOTSUP - format driver doesn't support changing the backing file
  */
-int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
-                             const char *backing_fmt, bool require)
+int coroutine_fn
+bdrv_co_change_backing_file(BlockDriverState *bs, const char *backing_file,
+                            const char *backing_fmt, bool require)
 {
     BlockDriver *drv = bs->drv;
     int ret;
 
-    GLOBAL_STATE_CODE();
+    IO_CODE();
 
     if (!drv) {
         return -ENOMEDIUM;
@@ -5785,8 +5786,8 @@ int bdrv_change_backing_file(BlockDriverState *bs, const char *backing_file,
         return -EINVAL;
     }
 
-    if (drv->bdrv_change_backing_file != NULL) {
-        ret = drv->bdrv_change_backing_file(bs, backing_file, backing_fmt);
+    if (drv->bdrv_co_change_backing_file != NULL) {
+        ret = drv->bdrv_co_change_backing_file(bs, backing_file, backing_fmt);
     } else {
         ret = -ENOTSUP;
     }
diff --git a/block/qcow2.c b/block/qcow2.c
index a1443a31aa..875e613ea9 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3155,8 +3155,9 @@ fail:
     return ret;
 }
 
-static int qcow2_change_backing_file(BlockDriverState *bs,
-    const char *backing_file, const char *backing_fmt)
+static int coroutine_fn GRAPH_RDLOCK
+qcow2_co_change_backing_file(BlockDriverState *bs, const char *backing_file,
+                             const char *backing_fmt)
 {
     BDRVQcow2State *s = bs->opaque;
 
@@ -3816,8 +3817,11 @@ qcow2_co_create(BlockdevCreateOptions *create_options, Error **errp)
             backing_format = BlockdevDriver_str(qcow2_opts->backing_fmt);
         }
 
-        ret = bdrv_change_backing_file(blk_bs(blk), qcow2_opts->backing_file,
-                                       backing_format, false);
+        bdrv_graph_co_rdlock();
+        ret = bdrv_co_change_backing_file(blk_bs(blk), qcow2_opts->backing_file,
+                                          backing_format, false);
+        bdrv_graph_co_rdunlock();
+
         if (ret < 0) {
             error_setg_errno(errp, -ret, "Could not assign backing file '%s' "
                              "with format '%s'", qcow2_opts->backing_file,
@@ -6115,64 +6119,64 @@ static const char *const qcow2_strong_runtime_opts[] = {
 };
 
 BlockDriver bdrv_qcow2 = {
-    .format_name        = "qcow2",
-    .instance_size      = sizeof(BDRVQcow2State),
-    .bdrv_probe         = qcow2_probe,
-    .bdrv_open          = qcow2_open,
-    .bdrv_close         = qcow2_close,
-    .bdrv_reopen_prepare  = qcow2_reopen_prepare,
-    .bdrv_reopen_commit   = qcow2_reopen_commit,
-    .bdrv_reopen_commit_post = qcow2_reopen_commit_post,
-    .bdrv_reopen_abort    = qcow2_reopen_abort,
-    .bdrv_join_options    = qcow2_join_options,
-    .bdrv_child_perm      = bdrv_default_perms,
-    .bdrv_co_create_opts  = qcow2_co_create_opts,
-    .bdrv_co_create       = qcow2_co_create,
-    .bdrv_has_zero_init   = qcow2_has_zero_init,
-    .bdrv_co_block_status = qcow2_co_block_status,
-
-    .bdrv_co_preadv_part    = qcow2_co_preadv_part,
-    .bdrv_co_pwritev_part   = qcow2_co_pwritev_part,
-    .bdrv_co_flush_to_os    = qcow2_co_flush_to_os,
-
-    .bdrv_co_pwrite_zeroes  = qcow2_co_pwrite_zeroes,
-    .bdrv_co_pdiscard       = qcow2_co_pdiscard,
-    .bdrv_co_copy_range_from = qcow2_co_copy_range_from,
-    .bdrv_co_copy_range_to  = qcow2_co_copy_range_to,
-    .bdrv_co_truncate       = qcow2_co_truncate,
-    .bdrv_co_pwritev_compressed_part = qcow2_co_pwritev_compressed_part,
-    .bdrv_make_empty        = qcow2_make_empty,
-
-    .bdrv_snapshot_create   = qcow2_snapshot_create,
-    .bdrv_snapshot_goto     = qcow2_snapshot_goto,
-    .bdrv_snapshot_delete   = qcow2_snapshot_delete,
-    .bdrv_snapshot_list     = qcow2_snapshot_list,
-    .bdrv_snapshot_load_tmp = qcow2_snapshot_load_tmp,
-    .bdrv_measure           = qcow2_measure,
-    .bdrv_co_get_info       = qcow2_co_get_info,
-    .bdrv_get_specific_info = qcow2_get_specific_info,
-
-    .bdrv_co_save_vmstate   = qcow2_co_save_vmstate,
-    .bdrv_co_load_vmstate   = qcow2_co_load_vmstate,
-
-    .is_format                  = true,
-    .supports_backing           = true,
-    .bdrv_change_backing_file   = qcow2_change_backing_file,
-
-    .bdrv_refresh_limits        = qcow2_refresh_limits,
-    .bdrv_co_invalidate_cache   = qcow2_co_invalidate_cache,
-    .bdrv_inactivate            = qcow2_inactivate,
-
-    .create_opts         = &qcow2_create_opts,
-    .amend_opts          = &qcow2_amend_opts,
-    .strong_runtime_opts = qcow2_strong_runtime_opts,
-    .mutable_opts        = mutable_opts,
-    .bdrv_co_check       = qcow2_co_check,
-    .bdrv_amend_options  = qcow2_amend_options,
-    .bdrv_co_amend       = qcow2_co_amend,
-
-    .bdrv_detach_aio_context  = qcow2_detach_aio_context,
-    .bdrv_attach_aio_context  = qcow2_attach_aio_context,
+    .format_name                        = "qcow2",
+    .instance_size                      = sizeof(BDRVQcow2State),
+    .bdrv_probe                         = qcow2_probe,
+    .bdrv_open                          = qcow2_open,
+    .bdrv_close                         = qcow2_close,
+    .bdrv_reopen_prepare                = qcow2_reopen_prepare,
+    .bdrv_reopen_commit                 = qcow2_reopen_commit,
+    .bdrv_reopen_commit_post            = qcow2_reopen_commit_post,
+    .bdrv_reopen_abort                  = qcow2_reopen_abort,
+    .bdrv_join_options                  = qcow2_join_options,
+    .bdrv_child_perm                    = bdrv_default_perms,
+    .bdrv_co_create_opts                = qcow2_co_create_opts,
+    .bdrv_co_create                     = qcow2_co_create,
+    .bdrv_has_zero_init                 = qcow2_has_zero_init,
+    .bdrv_co_block_status               = qcow2_co_block_status,
+
+    .bdrv_co_preadv_part                = qcow2_co_preadv_part,
+    .bdrv_co_pwritev_part               = qcow2_co_pwritev_part,
+    .bdrv_co_flush_to_os                = qcow2_co_flush_to_os,
+
+    .bdrv_co_pwrite_zeroes              = qcow2_co_pwrite_zeroes,
+    .bdrv_co_pdiscard                   = qcow2_co_pdiscard,
+    .bdrv_co_copy_range_from            = qcow2_co_copy_range_from,
+    .bdrv_co_copy_range_to              = qcow2_co_copy_range_to,
+    .bdrv_co_truncate                   = qcow2_co_truncate,
+    .bdrv_co_pwritev_compressed_part    = qcow2_co_pwritev_compressed_part,
+    .bdrv_make_empty                    = qcow2_make_empty,
+
+    .bdrv_snapshot_create               = qcow2_snapshot_create,
+    .bdrv_snapshot_goto                 = qcow2_snapshot_goto,
+    .bdrv_snapshot_delete               = qcow2_snapshot_delete,
+    .bdrv_snapshot_list                 = qcow2_snapshot_list,
+    .bdrv_snapshot_load_tmp             = qcow2_snapshot_load_tmp,
+    .bdrv_measure                       = qcow2_measure,
+    .bdrv_co_get_info                   = qcow2_co_get_info,
+    .bdrv_get_specific_info             = qcow2_get_specific_info,
+
+    .bdrv_co_save_vmstate               = qcow2_co_save_vmstate,
+    .bdrv_co_load_vmstate               = qcow2_co_load_vmstate,
+
+    .is_format                          = true,
+    .supports_backing                   = true,
+    .bdrv_co_change_backing_file        = qcow2_co_change_backing_file,
+
+    .bdrv_refresh_limits                = qcow2_refresh_limits,
+    .bdrv_co_invalidate_cache           = qcow2_co_invalidate_cache,
+    .bdrv_inactivate                    = qcow2_inactivate,
+
+    .create_opts                        = &qcow2_create_opts,
+    .amend_opts                         = &qcow2_amend_opts,
+    .strong_runtime_opts                = qcow2_strong_runtime_opts,
+    .mutable_opts                       = mutable_opts,
+    .bdrv_co_check                      = qcow2_co_check,
+    .bdrv_amend_options                 = qcow2_amend_options,
+    .bdrv_co_amend                      = qcow2_co_amend,
+
+    .bdrv_detach_aio_context            = qcow2_detach_aio_context,
+    .bdrv_attach_aio_context            = qcow2_attach_aio_context,
 
     .bdrv_supports_persistent_dirty_bitmap =
             qcow2_supports_persistent_dirty_bitmap,
diff --git a/block/qed.c b/block/qed.c
index 686ad711f7..996aa384fe 100644
--- a/block/qed.c
+++ b/block/qed.c
@@ -1498,9 +1498,9 @@ bdrv_qed_co_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
     return 0;
 }
 
-static int bdrv_qed_change_backing_file(BlockDriverState *bs,
-                                        const char *backing_file,
-                                        const char *backing_fmt)
+static int coroutine_fn GRAPH_RDLOCK
+bdrv_qed_co_change_backing_file(BlockDriverState *bs, const char *backing_file,
+                                const char *backing_fmt)
 {
     BDRVQEDState *s = bs->opaque;
     QEDHeader new_header, le_header;
@@ -1562,7 +1562,7 @@ static int bdrv_qed_change_backing_file(BlockDriverState *bs,
     }
 
     /* Write new header */
-    ret = bdrv_pwrite_sync(bs->file, 0, buffer_len, buffer, 0);
+    ret = bdrv_co_pwrite_sync(bs->file, 0, buffer_len, buffer, 0);
     g_free(buffer);
     if (ret == 0) {
         memcpy(&s->header, &new_header, sizeof(new_header));
@@ -1636,34 +1636,34 @@ static QemuOptsList qed_create_opts = {
 };
 
 static BlockDriver bdrv_qed = {
-    .format_name              = "qed",
-    .instance_size            = sizeof(BDRVQEDState),
-    .create_opts              = &qed_create_opts,
-    .is_format                = true,
-    .supports_backing         = true,
-
-    .bdrv_probe               = bdrv_qed_probe,
-    .bdrv_open                = bdrv_qed_open,
-    .bdrv_close               = bdrv_qed_close,
-    .bdrv_reopen_prepare      = bdrv_qed_reopen_prepare,
-    .bdrv_child_perm          = bdrv_default_perms,
-    .bdrv_co_create           = bdrv_qed_co_create,
-    .bdrv_co_create_opts      = bdrv_qed_co_create_opts,
-    .bdrv_has_zero_init       = bdrv_has_zero_init_1,
-    .bdrv_co_block_status     = bdrv_qed_co_block_status,
-    .bdrv_co_readv            = bdrv_qed_co_readv,
-    .bdrv_co_writev           = bdrv_qed_co_writev,
-    .bdrv_co_pwrite_zeroes    = bdrv_qed_co_pwrite_zeroes,
-    .bdrv_co_truncate         = bdrv_qed_co_truncate,
-    .bdrv_co_getlength        = bdrv_qed_co_getlength,
-    .bdrv_co_get_info         = bdrv_qed_co_get_info,
-    .bdrv_refresh_limits      = bdrv_qed_refresh_limits,
-    .bdrv_change_backing_file = bdrv_qed_change_backing_file,
-    .bdrv_co_invalidate_cache = bdrv_qed_co_invalidate_cache,
-    .bdrv_co_check            = bdrv_qed_co_check,
-    .bdrv_detach_aio_context  = bdrv_qed_detach_aio_context,
-    .bdrv_attach_aio_context  = bdrv_qed_attach_aio_context,
-    .bdrv_drain_begin         = bdrv_qed_drain_begin,
+    .format_name                    = "qed",
+    .instance_size                  = sizeof(BDRVQEDState),
+    .create_opts                    = &qed_create_opts,
+    .is_format                      = true,
+    .supports_backing               = true,
+
+    .bdrv_probe                     = bdrv_qed_probe,
+    .bdrv_open                      = bdrv_qed_open,
+    .bdrv_close                     = bdrv_qed_close,
+    .bdrv_reopen_prepare            = bdrv_qed_reopen_prepare,
+    .bdrv_child_perm                = bdrv_default_perms,
+    .bdrv_co_create                 = bdrv_qed_co_create,
+    .bdrv_co_create_opts            = bdrv_qed_co_create_opts,
+    .bdrv_has_zero_init             = bdrv_has_zero_init_1,
+    .bdrv_co_block_status           = bdrv_qed_co_block_status,
+    .bdrv_co_readv                  = bdrv_qed_co_readv,
+    .bdrv_co_writev                 = bdrv_qed_co_writev,
+    .bdrv_co_pwrite_zeroes          = bdrv_qed_co_pwrite_zeroes,
+    .bdrv_co_truncate               = bdrv_qed_co_truncate,
+    .bdrv_co_getlength              = bdrv_qed_co_getlength,
+    .bdrv_co_get_info               = bdrv_qed_co_get_info,
+    .bdrv_refresh_limits            = bdrv_qed_refresh_limits,
+    .bdrv_co_change_backing_file    = bdrv_qed_co_change_backing_file,
+    .bdrv_co_invalidate_cache       = bdrv_qed_co_invalidate_cache,
+    .bdrv_co_check                  = bdrv_qed_co_check,
+    .bdrv_detach_aio_context        = bdrv_qed_detach_aio_context,
+    .bdrv_attach_aio_context        = bdrv_qed_attach_aio_context,
+    .bdrv_drain_begin               = bdrv_qed_drain_begin,
 };
 
 static void bdrv_qed_init(void)
diff --git a/tests/unit/test-bdrv-drain.c b/tests/unit/test-bdrv-drain.c
index ba4e42b197..8d05538bf6 100644
--- a/tests/unit/test-bdrv-drain.c
+++ b/tests/unit/test-bdrv-drain.c
@@ -96,9 +96,9 @@ static int coroutine_fn bdrv_test_co_preadv(BlockDriverState *bs,
     return 0;
 }
 
-static int bdrv_test_change_backing_file(BlockDriverState *bs,
-                                         const char *backing_file,
-                                         const char *backing_fmt)
+static int bdrv_test_co_change_backing_file(BlockDriverState *bs,
+                                            const char *backing_file,
+                                            const char *backing_fmt)
 {
     return 0;
 }
@@ -116,7 +116,7 @@ static BlockDriver bdrv_test = {
 
     .bdrv_child_perm        = bdrv_default_perms,
 
-    .bdrv_change_backing_file = bdrv_test_change_backing_file,
+    .bdrv_co_change_backing_file = bdrv_test_co_change_backing_file,
 };
 
 static void aio_ret_cb(void *opaque, int ret)
