block: rename block/aio.h to qemu/aio.h

AioContexts are used as a generic event loop even outside the block
layer; move the header file out of block/ just like the implementation
is in util/.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

block/aio_task.c

@@ -23,7 +23,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "block/aio.h"
+#include "qemu/aio.h"
 #include "block/aio_task.h"
 
 struct AioTaskPool {

block/export/fuse.c

@@ -20,7 +20,7 @@
 
 #include "qemu/osdep.h"
 #include "qemu/memalign.h"
-#include "block/aio.h"
+#include "qemu/aio.h"
 #include "block/block_int-common.h"
 #include "block/export.h"
 #include "block/fuse.h"

block/io_uring.c

@@ -10,7 +10,7 @@
  */
 #include "qemu/osdep.h"
 #include <liburing.h>
-#include "block/aio.h"
+#include "qemu/aio.h"
 #include "block/block.h"
 #include "block/raw-aio.h"
 #include "qemu/coroutine.h"

block/linux-aio.c

@@ -8,7 +8,7 @@
  * See the COPYING file in the top-level directory.
  */
 #include "qemu/osdep.h"
-#include "block/aio.h"
+#include "qemu/aio.h"
 #include "qemu/queue.h"
 #include "block/block.h"
 #include "block/raw-aio.h"

block/win32-aio.c

@@ -26,7 +26,7 @@
 #include "qemu/timer.h"
 #include "block/block-io.h"
 #include "block/block_int.h"
-#include "block/aio.h"
+#include "qemu/aio.h"
 #include "block/raw-aio.h"
 #include "qemu/aiocb.h"
 #include "qemu/event_notifier.h"