block: Move some bdrv_*_all() functions to BB

Move bdrv_commit_all() and bdrv_flush_all() to the BlockBackend level.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

stubs/Makefile.objs

@@ -1,5 +1,5 @@
 stub-obj-y += arch-query-cpu-def.o
-stub-obj-y += bdrv-commit-all.o
+stub-obj-y += blk-commit-all.o
 stub-obj-y += blockdev-close-all-bdrv-states.o
 stub-obj-y += clock-warp.o
 stub-obj-y += cpu-get-clock.o

stubs/blk-commit-all.c

@@ -1,8 +1,8 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "block/block.h"
+#include "sysemu/block-backend.h"
 
-int bdrv_commit_all(void)
+int blk_commit_all(void)
 {
     return 0;
 }