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