[v6,05/14] stubs: add stubs for io_uring interface
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Message ID 20190719133530.28688-6-mehta.aaru20@gmail.com
State New
Headers show
Series
  • Add support for io_uring
Related show

Commit Message

Aarushi Mehta July 19, 2019, 1:35 p.m. UTC
Signed-off-by: Aarushi Mehta <mehta.aaru20@gmail.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 MAINTAINERS         |  1 +
 stubs/Makefile.objs |  1 +
 stubs/io_uring.c    | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 34 insertions(+)
 create mode 100644 stubs/io_uring.c

Patch
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diff --git a/MAINTAINERS b/MAINTAINERS
index 651f417f4b..b996bc3abd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2537,6 +2537,7 @@  R: Stefan Hajnoczi <stefan@redhat.com>
 L: qemu-block@nongnu.org
 S: Maintained
 F: block/io_uring.c
+F: stubs/io_uring.c
 
 qcow2
 M: Kevin Wolf <kwolf@redhat.com>
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index 9c7393b08c..5cf160a9c8 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -13,6 +13,7 @@  stub-obj-y += iothread.o
 stub-obj-y += iothread-lock.o
 stub-obj-y += is-daemonized.o
 stub-obj-$(CONFIG_LINUX_AIO) += linux-aio.o
+stub-obj-$(CONFIG_LINUX_IO_URING) += io_uring.o
 stub-obj-y += machine-init-done.o
 stub-obj-y += migr-blocker.o
 stub-obj-y += change-state-handler.o
diff --git a/stubs/io_uring.c b/stubs/io_uring.c
new file mode 100644
index 0000000000..622d1e4648
--- /dev/null
+++ b/stubs/io_uring.c
@@ -0,0 +1,32 @@ 
+/*
+ * Linux io_uring support.
+ *
+ * Copyright (C) 2009 IBM, Corp.
+ * Copyright (C) 2009 Red Hat, Inc.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#include "qemu/osdep.h"
+#include "block/aio.h"
+#include "block/raw-aio.h"
+
+void luring_detach_aio_context(LuringState *s, AioContext *old_context)
+{
+    abort();
+}
+
+void luring_attach_aio_context(LuringState *s, AioContext *new_context)
+{
+    abort();
+}
+
+LuringState *luring_init(Error **errp)
+{
+    abort();
+}
+
+void luring_cleanup(LuringState *s)
+{
+    abort();
+}