Am 19.01.2011 06:44, schrieb Yoshiaki Tamura:
> event-tap function is called only when it is on, and requests sent
> from device emulators.
>
> Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@xxxxxxxxxxxxx>
> ---
> block.c | 11 +++++++++++
> 1 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/block.c b/block.c
> index ff2795b..85bd8b8 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()) {
bs->device_name is a pointer to a char array contained in bs, so it's
never NULL. You probably mean *bs->device_name?
Kevin
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