Am 19.04.2010 16:26, schrieb Stefan Hajnoczi:
> On Mon, Apr 19, 2010 at 3:10 PM, Kevin Wolf wrote:
>>> @@ -416,9 +417,7 @@ static int bdrv_open_common(BlockDriverState *bs, const
>>> char *filename,
>>> }
>>>
>>> bs->keep_read_only = bs->read_only = !(open_flags & BDRV_O_RDWR);
>>> -
On Mon, Apr 19, 2010 at 3:10 PM, Kevin Wolf wrote:
>> @@ -416,9 +417,7 @@ static int bdrv_open_common(BlockDriverState *bs, const
>> char *filename,
>> }
>>
>> bs->keep_read_only = bs->read_only = !(open_flags & BDRV_O_RDWR);
>> - if (drv->bdrv_getlength) {
>> - bs->total_sect
Am 19.04.2010 14:34, schrieb Stefan Hajnoczi:
> The BlockDriver bdrv_getlength function is called from the I/O code path
> when checking that the request falls within the device. Unfortunately
> this involves an lseek system call in the raw protocol; every read or
> write request will incur this l
