assertions for block_int global state API

Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Message-Id: <20220303151616.325444-13-eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block.c

@@ -665,6 +665,8 @@ int coroutine_fn bdrv_co_create_opts_simple(BlockDriver *drv,
     Error *local_err = NULL;
     int ret;
 
+    GLOBAL_STATE_CODE();
+
     size = qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0);
     buf = qemu_opt_get_del(opts, BLOCK_OPT_PREALLOC);
     prealloc = qapi_enum_parse(&PreallocMode_lookup, buf,
@@ -2504,6 +2506,8 @@ void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm,
     uint64_t cumulative_perms = 0;
     uint64_t cumulative_shared_perms = BLK_PERM_ALL;
 
+    GLOBAL_STATE_CODE();
+
     QLIST_FOREACH(c, &bs->parents, next_parent) {
         cumulative_perms |= c->perm;
         cumulative_shared_perms &= c->shared_perm;
@@ -2562,6 +2566,8 @@ int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared,
     Transaction *tran = tran_new();
     int ret;
 
+    GLOBAL_STATE_CODE();
+
     bdrv_child_set_perm(c, perm, shared, tran);
 
     ret = bdrv_refresh_perms(c->bs, &local_err);
@@ -2592,6 +2598,8 @@ int bdrv_child_refresh_perms(BlockDriverState *bs, BdrvChild *c, Error **errp)
     uint64_t parent_perms, parent_shared;
     uint64_t perms, shared;
 
+    GLOBAL_STATE_CODE();
+
     bdrv_get_cumulative_perm(bs, &parent_perms, &parent_shared);
     bdrv_child_perm(bs, c->bs, c, c->role, NULL,
                     parent_perms, parent_shared, &perms, &shared);
@@ -2736,6 +2744,7 @@ void bdrv_default_perms(BlockDriverState *bs, BdrvChild *c,
                         uint64_t perm, uint64_t shared,
                         uint64_t *nperm, uint64_t *nshared)
 {
+    GLOBAL_STATE_CODE();
     if (role & BDRV_CHILD_FILTERED) {
         assert(!(role & (BDRV_CHILD_DATA | BDRV_CHILD_METADATA |
                          BDRV_CHILD_COW)));
@@ -3093,6 +3102,8 @@ BdrvChild *bdrv_root_attach_child(BlockDriverState *child_bs,
     BdrvChild *child = NULL;
     Transaction *tran = tran_new();
 
+    GLOBAL_STATE_CODE();
+
     ret = bdrv_attach_child_common(child_bs, child_name, child_class,
                                    child_role, perm, shared_perm, opaque,
                                    &child, tran, errp);
@@ -7486,6 +7497,8 @@ bool bdrv_recurse_can_replace(BlockDriverState *bs,
 {
     BlockDriverState *filtered;
 
+    GLOBAL_STATE_CODE();
+
     if (!bs || !bs->drv) {
         return false;
     }
@@ -7657,6 +7670,7 @@ static bool append_strong_runtime_options(QDict *d, BlockDriverState *bs)
  * would result in exactly bs->backing. */
 static bool bdrv_backing_overridden(BlockDriverState *bs)
 {
+    GLOBAL_STATE_CODE();
     if (bs->backing) {
         return strcmp(bs->auto_backing_file,
                       bs->backing->bs->filename);
@@ -8045,6 +8059,7 @@ static BlockDriverState *bdrv_do_skip_filters(BlockDriverState *bs,
  */
 BlockDriverState *bdrv_skip_implicit_filters(BlockDriverState *bs)
 {
+    GLOBAL_STATE_CODE();
     return bdrv_do_skip_filters(bs, true);
 }
 

block/backup.c

@@ -372,6 +372,7 @@ BlockJob *backup_job_create(const char *job_id, BlockDriverState *bs,
 
     assert(bs);
     assert(target);
+    GLOBAL_STATE_CODE();
 
     /* QMP interface protects us from these cases */
     assert(sync_mode != MIRROR_SYNC_MODE_INCREMENTAL);

block/block-backend.c

@@ -1106,6 +1106,7 @@ static void blk_root_change_media(BdrvChild *child, bool load)
  */
 bool blk_dev_has_removable_media(BlockBackend *blk)
 {
+    GLOBAL_STATE_CODE();
     return !blk->dev || (blk->dev_ops && blk->dev_ops->change_media_cb);
 }
 
@@ -1123,6 +1124,7 @@ bool blk_dev_has_tray(BlockBackend *blk)
  */
 void blk_dev_eject_request(BlockBackend *blk, bool force)
 {
+    GLOBAL_STATE_CODE();
     if (blk->dev_ops && blk->dev_ops->eject_request_cb) {
         blk->dev_ops->eject_request_cb(blk->dev_opaque, force);
     }
@@ -1145,6 +1147,7 @@ bool blk_dev_is_tray_open(BlockBackend *blk)
  */
 bool blk_dev_is_medium_locked(BlockBackend *blk)
 {
+    GLOBAL_STATE_CODE();
     if (blk->dev_ops && blk->dev_ops->is_medium_locked) {
         return blk->dev_ops->is_medium_locked(blk->dev_opaque);
     }

block/commit.c

@@ -253,6 +253,8 @@ void commit_start(const char *job_id, BlockDriverState *bs,
     uint64_t base_perms, iter_shared_perms;
     int ret;
 
+    GLOBAL_STATE_CODE();
+
     assert(top != bs);
     if (bdrv_skip_filters(top) == bdrv_skip_filters(base)) {
         error_setg(errp, "Invalid files for merge: top and base are the same");

block/dirty-bitmap.c

@@ -674,6 +674,7 @@ void bdrv_restore_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap *backup)
 {
     HBitmap *tmp = bitmap->bitmap;
     assert(!bdrv_dirty_bitmap_readonly(bitmap));
+    GLOBAL_STATE_CODE();
     bitmap->bitmap = backup;
     hbitmap_free(tmp);
 }

block/io.c

@@ -699,6 +699,7 @@ void bdrv_drain_all_begin(void)
 void bdrv_drain_all_end_quiesce(BlockDriverState *bs)
 {
     int drained_end_counter = 0;
+    GLOBAL_STATE_CODE();
 
     g_assert(bs->quiesce_counter > 0);
     g_assert(!bs->refcnt);

block/mirror.c

@@ -1864,6 +1864,8 @@ void mirror_start(const char *job_id, BlockDriverState *bs,
     bool is_none_mode;
     BlockDriverState *base;
 
+    GLOBAL_STATE_CODE();
+
     if ((mode == MIRROR_SYNC_MODE_INCREMENTAL) ||
         (mode == MIRROR_SYNC_MODE_BITMAP)) {
         error_setg(errp, "Sync mode '%s' not supported",
@@ -1889,6 +1891,8 @@ BlockJob *commit_active_start(const char *job_id, BlockDriverState *bs,
     bool base_read_only;
     BlockJob *job;
 
+    GLOBAL_STATE_CODE();
+
     base_read_only = bdrv_is_read_only(base);
 
     if (base_read_only) {

block/monitor/bitmap-qmp-cmds.c

@@ -56,6 +56,8 @@ BdrvDirtyBitmap *block_dirty_bitmap_lookup(const char *node,
     BlockDriverState *bs;
     BdrvDirtyBitmap *bitmap;
 
+    GLOBAL_STATE_CODE();
+
     if (!node) {
         error_setg(errp, "Node cannot be NULL");
         return NULL;
@@ -155,6 +157,8 @@ BdrvDirtyBitmap *block_dirty_bitmap_remove(const char *node, const char *name,
     BdrvDirtyBitmap *bitmap;
     AioContext *aio_context;
 
+    GLOBAL_STATE_CODE();
+
     bitmap = block_dirty_bitmap_lookup(node, name, &bs, errp);
     if (!bitmap || !bs) {
         return NULL;
@@ -261,6 +265,8 @@ BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
     BlockDirtyBitmapMergeSourceList *lst;
     Error *local_err = NULL;
 
+    GLOBAL_STATE_CODE();
+
     dst = block_dirty_bitmap_lookup(node, target, &bs, errp);
     if (!dst) {
         return NULL;

block/stream.c

@@ -220,6 +220,8 @@ void stream_start(const char *job_id, BlockDriverState *bs,
     QDict *opts;
     int ret;
 
+    GLOBAL_STATE_CODE();
+
     assert(!(base && bottom));
     assert(!(backing_file_str && bottom));
 

blockdev.c

@@ -69,6 +69,7 @@ QTAILQ_HEAD(, BlockDriverState) monitor_bdrv_states =
 
 void bdrv_set_monitor_owned(BlockDriverState *bs)
 {
+    GLOBAL_STATE_CODE();
     QTAILQ_INSERT_TAIL(&monitor_bdrv_states, bs, monitor_list);
 }
 
@@ -629,6 +630,7 @@ BlockDriverState *bds_tree_init(QDict *bs_opts, Error **errp)
 {
     int bdrv_flags = 0;
 
+    GLOBAL_STATE_CODE();
     /* bdrv_open() defaults to the values in bdrv_flags (for compatibility
      * with other callers) rather than what we want as the real defaults.
      * Apply the defaults here instead. */
@@ -647,6 +649,7 @@ void blockdev_close_all_bdrv_states(void)
 {
     BlockDriverState *bs, *next_bs;
 
+    GLOBAL_STATE_CODE();
     QTAILQ_FOREACH_SAFE(bs, &monitor_bdrv_states, monitor_list, next_bs) {
         AioContext *ctx = bdrv_get_aio_context(bs);
 
@@ -2300,6 +2303,8 @@ void qmp_transaction(TransactionActionList *dev_list,
     BlkActionState *state, *next;
     Error *local_err = NULL;
 
+    GLOBAL_STATE_CODE();
+
     QTAILQ_HEAD(, BlkActionState) snap_bdrv_states;
     QTAILQ_INIT(&snap_bdrv_states);
 
@@ -3602,6 +3607,8 @@ void qmp_blockdev_del(const char *node_name, Error **errp)
     AioContext *aio_context;
     BlockDriverState *bs;
 
+    GLOBAL_STATE_CODE();
+
     bs = bdrv_find_node(node_name);
     if (!bs) {
         error_setg(errp, "Failed to find node with node-name='%s'", node_name);