On 2013/5/13 23:07, Jeff Cody wrote:
On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
add-cow file format core code. It use block-cache.c as cache code.
It lacks of snapshot_blkdev support.
Signed-off-by: Dong Xu Wang
---
v17-v18:
1) use error_report, not fprintf.
2) remove versio
On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
> add-cow file format core code. It use block-cache.c as cache code.
> It lacks of snapshot_blkdev support.
>
> Signed-off-by: Dong Xu Wang
> ---
> v17-v18:
> 1) use error_report, not fprintf.
> 2) remove version field from header.
> 3
On Thu, May 09, 2013 at 02:24:20PM +0800, Dong Xu Wang wrote:
> On Thu, Apr 18, 2013 at 6:03 PM, Stefan Hajnoczi wrote:
> > On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
> >> +static coroutine_fn int add_cow_co_flush(BlockDriverState *bs)
> >> +{
> >> +BDRVAddCowState *s = bs->
On Thu, Apr 18, 2013 at 6:03 PM, Stefan Hajnoczi wrote:
> On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
>> +header.cluster_bits = ffs(cluster_size) - 1;
>> +if (header.cluster_bits < MIN_CLUSTER_BITS ||
>> +header.cluster_bits > MAX_CLUSTER_BITS ||
>> +(1 <<
On 2013/4/18 18:03, Stefan Hajnoczi wrote:
On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
+header.cluster_bits = ffs(cluster_size) - 1;
+if (header.cluster_bits < MIN_CLUSTER_BITS ||
+header.cluster_bits > MAX_CLUSTER_BITS ||
+(1 << header.cluster_bits) !=
On Wed, Apr 10, 2013 at 04:11:52PM +0800, Dong Xu Wang wrote:
> +header.cluster_bits = ffs(cluster_size) - 1;
> +if (header.cluster_bits < MIN_CLUSTER_BITS ||
> +header.cluster_bits > MAX_CLUSTER_BITS ||
> +(1 << header.cluster_bits) != cluster_size) {
> +error_repor
add-cow file format core code. It use block-cache.c as cache code.
It lacks of snapshot_blkdev support.
Signed-off-by: Dong Xu Wang
---
v17-v18:
1) use error_report, not fprintf.
2) remove version field from header.
3) header_size is MAX(cluster_size, 4096).
4) introduce s->cluster_sectors.
5) us
