Re: [Qemu-devel] [PATCH 0/2] COW: Speed up writes

[Stefan Hajnoczi]

On Fri, Nov 15, 2013 at 07:47:00PM +0100, Charlie Shepherd wrote:
> v4:
>   - Rebase onto master
>   - Fix compilation error
> 
> v3:
>   - Refix cow_update_bitmap and squash patches 1 & 3 together to ensuring 
> that we only flush if
>     necessary, patch 1 on its own would change this causing a regression.
> v2:
>   - Fix bit position calculations in cow_update_bitmap
>   - Add necessary check in cow_set_bits
> 
> Following on from Paolo's commits 26ae980 and 276cbc7, this patchset
> implements some changes he recommended earlier which I didn't previously have
> time to do while on GSoC.
> 
> Charlie Shepherd (2):
>   COW: Speed up writes
>   COW: Extend checking allocated bits to beyond one sector
> 
>  block/cow.c | 124 
> +++++++++++++++++++++++++++++++++++++-----------------------
>  1 file changed, 76 insertions(+), 48 deletions(-)

Please remember the include the revision in the subject line: "[PATCH v4]"

Thanks, applied to my block-next tree:
https://github.com/stefanha/qemu/commits/block-next

Stefan