[Qemu-devel] [PATCH 14/19] block: insert event-tap to bdrv_aio_writev() and bdrv_aio_flush().

[Yoshiaki Tamura]

event-tap function is called only when it is on, and requests sent
from device emulators.

Signed-off-by: Yoshiaki Tamura <address@hidden>
---
 block.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/block.c b/block.c
index 9b5e9e1..39009fc 100644
--- a/block.c
+++ b/block.c
@@ -28,6 +28,7 @@
 #include "block_int.h"
 #include "module.h"
 #include "qemu-objects.h"
+#include "event-tap.h"
 
 #ifdef CONFIG_BSD
 #include <sys/types.h>
@@ -2111,6 +2112,11 @@ BlockDriverAIOCB *bdrv_aio_writev(BlockDriverState *bs, 
int64_t sector_num,
     if (bdrv_check_request(bs, sector_num, nb_sectors))
         return NULL;
 
+    if (bs->device_name && event_tap_is_on()) {
+        return event_tap_bdrv_aio_writev(bs, sector_num, qiov, nb_sectors,
+                                         cb, opaque);
+    }
+
     if (bs->dirty_bitmap) {
         blk_cb_data = blk_dirty_cb_alloc(bs, sector_num, nb_sectors, cb,
                                          opaque);
@@ -2374,6 +2380,11 @@ BlockDriverAIOCB *bdrv_aio_flush(BlockDriverState *bs,
 
     if (!drv)
         return NULL;
+
+    if (bs->device_name && event_tap_is_on()) {
+        return event_tap_bdrv_aio_flush(bs, cb, opaque);
+    }
+
     return drv->bdrv_aio_flush(bs, cb, opaque);
 }
 
-- 
1.7.1.2