block_int-common.h: assertions in the callers of BdrvChildClass function pointers

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-29-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block.c

@@ -1497,7 +1497,7 @@ const BdrvChildClass child_of_bds = {
 
 AioContext *bdrv_child_get_parent_aio_context(BdrvChild *c)
 {
-    IO_CODE();
+    GLOBAL_STATE_CODE();
     return c->klass->get_parent_aio_context(c);
 }
 
@@ -2128,6 +2128,7 @@ bool bdrv_is_writable(BlockDriverState *bs)
 
 static char *bdrv_child_user_desc(BdrvChild *c)
 {
+    GLOBAL_STATE_CODE();
     return c->klass->get_parent_desc(c);
 }
 
@@ -2844,6 +2845,7 @@ static void bdrv_replace_child_noperm(BdrvChild **childp,
 
     assert(!child->frozen);
     assert(old_bs != new_bs);
+    GLOBAL_STATE_CODE();
 
     if (old_bs && new_bs) {
         assert(bdrv_get_aio_context(old_bs) == bdrv_get_aio_context(new_bs));
@@ -2940,6 +2942,7 @@ static void bdrv_attach_child_common_abort(void *opaque)
     BdrvChild *child = *s->child;
     BlockDriverState *bs = child->bs;
 
+    GLOBAL_STATE_CODE();
     /*
      * Pass free_empty_child=false, because we still need the child
      * for the AioContext operations on the parent below; those
@@ -3308,6 +3311,7 @@ void bdrv_unref_child(BlockDriverState *parent, BdrvChild *child)
 static void bdrv_parent_cb_change_media(BlockDriverState *bs, bool load)
 {
     BdrvChild *c;
+    GLOBAL_STATE_CODE();
     QLIST_FOREACH(c, &bs->parents, next_parent) {
         if (c->klass->change_media) {
             c->klass->change_media(c, load);
@@ -3807,6 +3811,7 @@ static BlockDriverState *bdrv_open_inherit(const char *filename,
 
     assert(!child_class || !flags);
     assert(!child_class == !parent);
+    GLOBAL_STATE_CODE();
 
     if (reference) {
         bool options_non_empty = options ? qdict_size(options) : false;
@@ -4193,6 +4198,7 @@ static BlockReopenQueue *bdrv_reopen_queue_child(BlockReopenQueue *bs_queue,
      * important to avoid graph changes between the recursive queuing here and
      * bdrv_reopen_multiple(). */
     assert(bs->quiesce_counter > 0);
+    GLOBAL_STATE_CODE();
 
     if (bs_queue == NULL) {
         bs_queue = g_new0(BlockReopenQueue, 1);
@@ -7327,6 +7333,7 @@ void bdrv_set_aio_context_ignore(BlockDriverState *bs,
     BdrvChild *child, *parent;
 
     g_assert(qemu_get_current_aio_context() == qemu_get_aio_context());
+    GLOBAL_STATE_CODE();
 
     if (old_context == new_context) {
         return;
@@ -7399,6 +7406,7 @@ void bdrv_set_aio_context_ignore(BlockDriverState *bs,
 static bool bdrv_parent_can_set_aio_context(BdrvChild *c, AioContext *ctx,
                                             GSList **ignore, Error **errp)
 {
+    GLOBAL_STATE_CODE();
     if (g_slist_find(*ignore, c)) {
         return true;
     }