On 11/21/2011 12:08 PM, Kevin Wolf wrote:
I didn't say this.:-)
At least in theory, block devices may not be the only protocols with
!has_zero_init. We have only covered raw-posix with this discussion. I
would prefer an explicit write of the table to avoid breaking other
protocols (though I don'
Am 21.11.2011 11:53, schrieb Stefan Hajnoczi:
> On Mon, Nov 21, 2011 at 10:44 AM, Kevin Wolf wrote:
>> Am 18.11.2011 15:34, schrieb Stefan Hajnoczi:
>>> On Fri, Nov 18, 2011 at 11:10 AM, Paolo Bonzini wrote:
On 11/18/2011 11:59 AM, Stefan Hajnoczi wrote:
>
> +tmp = g_malloc0(size
On Mon, Nov 21, 2011 at 10:44 AM, Kevin Wolf wrote:
> Am 18.11.2011 15:34, schrieb Stefan Hajnoczi:
>> On Fri, Nov 18, 2011 at 11:10 AM, Paolo Bonzini wrote:
>>> On 11/18/2011 11:59 AM, Stefan Hajnoczi wrote:
+ tmp = g_malloc0(sizeof(uint64_t)*l1_size);
> + ret = bdrv_pwrite(
Am 18.11.2011 15:34, schrieb Stefan Hajnoczi:
> On Fri, Nov 18, 2011 at 11:10 AM, Paolo Bonzini wrote:
>> On 11/18/2011 11:59 AM, Stefan Hajnoczi wrote:
>>>
>>> +tmp = g_malloc0(sizeof(uint64_t)*l1_size);
+ret = bdrv_pwrite(qcow_bs, header_size, tmp,
sizeof(uint64_t)*l1_size);
>
On Fri, Nov 18, 2011 at 11:10 AM, Paolo Bonzini wrote:
> On 11/18/2011 11:59 AM, Stefan Hajnoczi wrote:
>>
>> + tmp = g_malloc0(sizeof(uint64_t)*l1_size);
>> > + ret = bdrv_pwrite(qcow_bs, header_size, tmp,
>> > sizeof(uint64_t)*l1_size);
>> > + g_free(tmp);
>> > + if (ret != sizeof
On 11/18/2011 11:59 AM, Stefan Hajnoczi wrote:
+tmp = g_malloc0(sizeof(uint64_t)*l1_size);
> +ret = bdrv_pwrite(qcow_bs, header_size, tmp, sizeof(uint64_t)*l1_size);
> +g_free(tmp);
> +if (ret != sizeof(uint64_t)*l1_size) {
> +goto exit;
> }
That means 400 MB of
On Fri, Nov 18, 2011 at 9:12 AM, Li Zhi Hui wrote:
> + tmp = g_malloc0(sizeof(uint64_t)*l1_size);
> + ret = bdrv_pwrite(qcow_bs, header_size, tmp, sizeof(uint64_t)*l1_size);
> + g_free(tmp);
> + if (ret != sizeof(uint64_t)*l1_size) {
> + goto exit;
> }
qemu-img create -f qc
Since common file operation functions lack of error detection and use much more
I/O syscalls,
so change them to bdrv series functions and reduce I/O request.
Signed-off-by: Li Zhi Hui
---
block/qcow.c | 42 +++---
1 files changed, 23 insertions(+), 19 dele
