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[Qemu-devel] [PATCH 14/19] block: insert event-tap to bdrv_aio_writev(),
From: |
Yoshiaki Tamura |
Subject: |
[Qemu-devel] [PATCH 14/19] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush(). |
Date: |
Fri, 28 Jan 2011 16:21:47 +0900 |
event-tap function is called only when it is on, and requests were
sent from device emulators.
Signed-off-by: Yoshiaki Tamura <address@hidden>
---
block.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index ff2795b..e4df9b6 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>
@@ -1476,6 +1477,10 @@ int bdrv_flush(BlockDriverState *bs)
}
if (bs->drv && bs->drv->bdrv_flush) {
+ if (*bs->device_name && event_tap_is_on()) {
+ event_tap_bdrv_flush();
+ }
+
return bs->drv->bdrv_flush(bs);
}
@@ -2111,6 +2116,11 @@ 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 +2384,11 @@ 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
- [Qemu-devel] [PATCH 00/19] Kemari for KVM v0.2.8, Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 14/19] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().,
Yoshiaki Tamura <=
- [Qemu-devel] [PATCH 10/19] Call init handler of event-tap at main() in vl.c., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 02/19] Introduce read() to FdMigrationState., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 17/19] migration-tcp: modify tcp_accept_incoming_migration() to handle ft_mode, and add a hack not to close fd when ft_mode is enabled., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 05/19] vl.c: add deleted flag for deleting the handler., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 03/19] Introduce skip_header parameter to qemu_loadvm_state()., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 01/19] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., Yoshiaki Tamura, 2011/01/28
- [Qemu-devel] [PATCH 19/19] migration: add a parser to accept FT migration incoming mode., Yoshiaki Tamura, 2011/01/28