From e0df07c4dc397affcf88fa7453d8541b80120d07 Mon Sep 17 00:00:00 2001
From: Ian Jackson <iwj@mariner.uk.xensource.com>
Date: Tue, 15 Jul 2008 18:36:40 +0100
Subject: [PATCH] Honour -DNO_AIO.

Based on a patch by Samuel Thibault.
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
---
 block-raw-posix.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/block-raw-posix.c b/block-raw-posix.c
index 23311e87..ec817e98 100644
--- a/block-raw-posix.c
+++ b/block-raw-posix.c
@@ -28,7 +28,9 @@
 #endif
 #include "block_int.h"
 #include <assert.h>
+#ifndef NO_AIO
 #include <aio.h>
+#endif
 
 #ifdef CONFIG_COCOA
 #include <paths.h>
@@ -233,6 +235,7 @@ label__raw_write__success:
 /***********************************************************/
 /* Unix AIO using POSIX AIO */
 
+#ifndef NO_AIO
 typedef struct RawAIOCB {
     BlockDriverAIOCB common;
     struct aiocb aiocb;
@@ -469,6 +472,7 @@ static void raw_aio_cancel(BlockDriverAIOCB *blockacb)
         pacb = &acb->next;
     }
 }
+#endif
 
 static void raw_close(BlockDriverState *bs)
 {
@@ -572,10 +576,12 @@ BlockDriver bdrv_raw = {
     raw_create,
     raw_flush,
 
+#ifndef NO_AIO
     .bdrv_aio_read = raw_aio_read,
     .bdrv_aio_write = raw_aio_write,
     .bdrv_aio_cancel = raw_aio_cancel,
     .aiocb_size = sizeof(RawAIOCB),
+#endif
     .protocol_name = "file",
     .bdrv_pread = raw_pread,
     .bdrv_pwrite = raw_pwrite,
@@ -927,11 +933,13 @@ BlockDriver bdrv_host_device = {
     NULL,
     raw_flush,
 
+#ifndef NO_AIO
     .bdrv_aio_read = raw_aio_read,
     .bdrv_aio_write = raw_aio_write,
     .bdrv_aio_cancel = raw_aio_cancel,
     .bdrv_aio_flush = raw_aio_flush,
     .aiocb_size = sizeof(RawAIOCB),
+#endif
     .bdrv_pread = raw_pread,
     .bdrv_pwrite = raw_pwrite,
     .bdrv_getlength = raw_getlength,
-- 
2.39.5