2011/1/19 Kevin Wolf <kwolf@xxxxxxxxxx>:
> 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?
Yes, thanks for pointing out. It didn't expose because
event_tap_is_on() was false upon flushing after synchronization.
Yoshi
>
> Kevin
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