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[Qemu-devel] [PATCH 14/18] block: insert event-tap to bdrv_aio_writev(),
From: |
OHMURA Kei |
Subject: |
[Qemu-devel] [PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush(). |
Date: |
Mon, 25 Apr 2011 20:00:53 +0900 |
From: Yoshiaki Tamura <address@hidden>
event-tap function is called only when it is on, and requests were
sent from device emulators.
Signed-off-by: Yoshiaki Tamura <address@hidden>
Acked-by: Kevin Wolf <address@hidden>
Signed-off-by: OHMURA Kei <address@hidden>
---
block.c | 15 +++++++++++++++
1 files changed, 15 insertions(+), 0 deletions(-)
diff --git a/block.c b/block.c
index f731c7a..9e6b610 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>
@@ -1591,6 +1592,10 @@ 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);
}
@@ -2226,6 +2231,11 @@ 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);
@@ -2499,6 +2509,11 @@ 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);
}
--
1.7.0.2
- [Qemu-devel] [PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c., (continued)
- [Qemu-devel] [PATCH 12/18] Insert event_tap_mmio() to cpu_physical_memory_rw() in exec.c., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 18/18] Introduce "kemari:" to enable FT migration mode (Kemari)., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 10/18] Call init handler of event-tap at main() in vl.c., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 02/18] Introduce read() to FdMigrationState., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 16/18] migration: introduce migrate_ft_trans_{put, get}_ready(), and modify migrate_fd_put_ready() when ft_mode is on., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 07/18] Introduce fault tolerant VM transaction QEMUFile and ft_mode., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 01/18] Make QEMUFile buf expandable, and introduce qemu_realloc_buffer() and qemu_clear_buffer()., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 04/18] qemu-char: export socket_set_nodelay()., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 09/18] Introduce event-tap., OHMURA Kei, 2011/04/25
- [Qemu-devel] [PATCH 14/18] block: insert event-tap to bdrv_aio_writev(), bdrv_aio_flush() and bdrv_flush().,
OHMURA Kei <=