Re: [Qemu-block] [PATCH v2 2/3] qapi: Add "detect-zeroes" option to drive-mirror

[Paolo Bonzini]

On 08/06/2015 12:34, Fam Zheng wrote:
>  - "unmap": whether the target sectors should be discarded where source has 
> only
>    zeroes. (json-bool, optional, default true)
> +- "detect-zeroes": if true, the source sectors that are zeroes will be 
> written as
> +  sparse on target. (json-bool, optional, default true)

all source sectors that are zeroes will be written using offloaded zero
writes on the target; furthermore, the sectors on the target will be
made sparse if possible if "unmap" is also true.

Perhaps it's simpler to use the enum though.  I'm not sure.  Jeff?

Paolo