block: add bdrv_get_aio_context()
For now bdrv_get_aio_context() is just a stub that calls
qemu_aio_get_context() since the block layer is currently tied to the
main loop AioContext.
Add the stub now so that the block layer can begin accessing its
AioContext.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/block.c b/block.c
index 0ab164d..037e15e 100644
--- a/block.c
+++ b/block.c
@@ -4681,3 +4681,9 @@
bdrv_delete(bs);
}
}
+
+AioContext *bdrv_get_aio_context(BlockDriverState *bs)
+{
+ /* Currently BlockDriverState always uses the main loop AioContext */
+ return qemu_get_aio_context();
+}
diff --git a/include/block/block_int.h b/include/block/block_int.h
index baf80e3..ce0aa26 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -294,6 +294,13 @@
void bdrv_set_io_limits(BlockDriverState *bs,
BlockIOLimit *io_limits);
+/**
+ * bdrv_get_aio_context:
+ *
+ * Returns: the currently bound #AioContext
+ */
+AioContext *bdrv_get_aio_context(BlockDriverState *bs);
+
#ifdef _WIN32
int is_windows_drive(const char *filename);
#endif
