4 files changed, 21 insertions, 19 deletions
diff --git a/include/block/block.h b/include/block/block.h
index eaa64262d9..01349efad5 100644
--- a/include/block/block.h
+++ b/include/block/block.h
@@ -201,7 +201,6 @@ int bdrv_create(BlockDriver *drv, const char* filename,
 int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp);
 BlockDriverState *bdrv_new_root(void);
 BlockDriverState *bdrv_new(void);
-void bdrv_device_remove(BlockDriverState *bs);
 void bdrv_make_anon(BlockDriverState *bs);
 void bdrv_append(BlockDriverState *bs_new, BlockDriverState *bs_top);
 void bdrv_replace_in_backing_chain(BlockDriverState *old,
@@ -230,8 +229,6 @@ void bdrv_reopen_commit(BDRVReopenState *reopen_state);
 void bdrv_reopen_abort(BDRVReopenState *reopen_state);
 int bdrv_read(BlockDriverState *bs, int64_t sector_num,
               uint8_t *buf, int nb_sectors);
-int bdrv_read_unthrottled(BlockDriverState *bs, int64_t sector_num,
-                          uint8_t *buf, int nb_sectors);
 int bdrv_write(BlockDriverState *bs, int64_t sector_num,
                const uint8_t *buf, int nb_sectors);
 int bdrv_write_zeroes(BlockDriverState *bs, int64_t sector_num,
@@ -274,7 +271,6 @@ int64_t bdrv_get_allocated_file_size(BlockDriverState *bs);
 void bdrv_get_geometry(BlockDriverState *bs, uint64_t *nb_sectors_ptr);
 void bdrv_refresh_limits(BlockDriverState *bs, Error **errp);
 int bdrv_commit(BlockDriverState *bs);
-int bdrv_commit_all(void);
 int bdrv_change_backing_file(BlockDriverState *bs,
     const char *backing_file, const char *backing_fmt);
 void bdrv_register(BlockDriver *bdrv);
@@ -373,7 +369,6 @@ int bdrv_inactivate_all(void);
 /* Ensure contents are flushed to disk.  */
 int bdrv_flush(BlockDriverState *bs);
 int coroutine_fn bdrv_co_flush(BlockDriverState *bs);
-int bdrv_flush_all(void);
 void bdrv_close_all(void);
 void bdrv_drain(BlockDriverState *bs);
 void bdrv_drain_all(void);
@@ -414,6 +409,7 @@ BlockDriverState *bdrv_lookup_bs(const char *device,
 bool bdrv_chain_contains(BlockDriverState *top, BlockDriverState *base);
 BlockDriverState *bdrv_next_node(BlockDriverState *bs);
 BlockDriverState *bdrv_next(BlockDriverState *bs);
+BlockDriverState *bdrv_next_monitor_owned(BlockDriverState *bs);
 int bdrv_is_encrypted(BlockDriverState *bs);
 int bdrv_key_required(BlockDriverState *bs);
 int bdrv_set_key(BlockDriverState *bs, const char *key);
diff --git a/include/block/block_int.h b/include/block/block_int.h
index dda5ba0927..ba6e9ac696 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -442,8 +442,6 @@ struct BlockDriverState {
     char node_name[32];
     /* element of the list of named nodes building the graph */
     QTAILQ_ENTRY(BlockDriverState) node_list;
-    /* element of the list of "drives" the guest sees */
-    QTAILQ_ENTRY(BlockDriverState) device_list;
     /* element of the list of all BlockDriverStates (all_bdrv_states) */
     QTAILQ_ENTRY(BlockDriverState) bs_list;
     /* element of the list of monitor-owned BDS */
@@ -501,8 +499,6 @@ extern BlockDriver bdrv_file;
 extern BlockDriver bdrv_raw;
 extern BlockDriver bdrv_qcow2;
 
-extern QTAILQ_HEAD(BdrvStates, BlockDriverState) bdrv_states;
-
 /**
  * bdrv_setup_io_funcs:
  *
@@ -512,6 +508,13 @@ extern QTAILQ_HEAD(BdrvStates, BlockDriverState) bdrv_states;
  */
 void bdrv_setup_io_funcs(BlockDriver *bdrv);
 
+int coroutine_fn bdrv_co_do_preadv(BlockDriverState *bs,
+    int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+    BdrvRequestFlags flags);
+int coroutine_fn bdrv_co_do_pwritev(BlockDriverState *bs,
+    int64_t offset, unsigned int bytes, QEMUIOVector *qiov,
+    BdrvRequestFlags flags);
+
 int get_tmp_filename(char *filename, int size);
 BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
                             const char *filename);
@@ -696,6 +699,11 @@ void backup_start(BlockDriverState *bs, BlockDriverState *target,
 
 void hmp_drive_add_node(Monitor *mon, const char *optstr);
 
+BdrvChild *bdrv_root_attach_child(BlockDriverState *child_bs,
+                                  const char *child_name,
+                                  const BdrvChildRole *child_role);
+void bdrv_root_unref_child(BdrvChild *child);
+
 void blk_set_bs(BlockBackend *blk, BlockDriverState *bs);
 
 void blk_dev_change_media_cb(BlockBackend *blk, bool load);
diff --git a/include/qapi/qmp/qerror.h b/include/qapi/qmp/qerror.h
index f60149978a..d08652aaa5 100644
--- a/include/qapi/qmp/qerror.h
+++ b/include/qapi/qmp/qerror.h
@@ -100,9 +100,6 @@
 #define QERR_UNDEFINED_ERROR \
     "An undefined error has occurred"
 
-#define QERR_UNKNOWN_BLOCK_FORMAT_FEATURE \
-    "'%s' uses a %s feature which is not supported by this qemu version: %s"
-
 #define QERR_UNSUPPORTED \
     "this feature or command is not currently supported"
 
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h
index 00d69baa07..d839bffeb0 100644
--- a/include/sysemu/block-backend.h
+++ b/include/sysemu/block-backend.h
@@ -59,11 +59,10 @@ typedef struct BlockDevOps {
     void (*resize_cb)(void *opaque);
 } BlockDevOps;
 
-BlockBackend *blk_new(const char *name, Error **errp);
-BlockBackend *blk_new_with_bs(const char *name, Error **errp);
-BlockBackend *blk_new_open(const char *name, const char *filename,
-                           const char *reference, QDict *options, int flags,
-                           Error **errp);
+BlockBackend *blk_new(Error **errp);
+BlockBackend *blk_new_with_bs(Error **errp);
+BlockBackend *blk_new_open(const char *filename, const char *reference,
+                           QDict *options, int flags, Error **errp);
 int blk_get_refcnt(BlockBackend *blk);
 void blk_ref(BlockBackend *blk);
 void blk_unref(BlockBackend *blk);
@@ -71,13 +70,14 @@ void blk_remove_all_bs(void);
 const char *blk_name(BlockBackend *blk);
 BlockBackend *blk_by_name(const char *name);
 BlockBackend *blk_next(BlockBackend *blk);
+BlockDriverState *blk_next_root_bs(BlockDriverState *bs);
+bool monitor_add_blk(BlockBackend *blk, const char *name, Error **errp);
+void monitor_remove_blk(BlockBackend *blk);
 
 BlockDriverState *blk_bs(BlockBackend *blk);
 void blk_remove_bs(BlockBackend *blk);
 void blk_insert_bs(BlockBackend *blk, BlockDriverState *bs);
 
-void blk_hide_on_behalf_of_hmp_drive_del(BlockBackend *blk);
-
 void blk_set_allow_write_beyond_eof(BlockBackend *blk, bool allow);
 void blk_iostatus_enable(BlockBackend *blk);
 bool blk_iostatus_is_enabled(const BlockBackend *blk);
@@ -127,6 +127,7 @@ int blk_co_discard(BlockBackend *blk, int64_t sector_num, int nb_sectors);
 int blk_co_flush(BlockBackend *blk);
 int blk_flush(BlockBackend *blk);
 int blk_flush_all(void);
+int blk_commit_all(void);
 void blk_drain(BlockBackend *blk);
 void blk_drain_all(void);
 void blk_set_on_error(BlockBackend *blk, BlockdevOnError on_read_error,