On Wed, Dec 12, 2012 at 02:46:27PM +0100, Paolo Bonzini wrote: > @@ -962,6 +963,7 @@ Arguments: > file/device (NewImageMode, optional, default 'absolute-paths') > - "speed": maximum speed of the streaming job, in bytes per second > (json-int) > +- "granularity": granularity of the dirty bitmap (json-int, optional)
"in bytes" would be nice although the text you added below implies this. > - "sync": what parts of the disk image should be copied to the destination; > possibilities include "full" for all the disk, "top" for only the sectors > allocated in the topmost image, or "none" to only replicate new I/O > @@ -971,6 +973,10 @@ Arguments: > - "on-target-error": the action to take on an error on the target > (BlockdevOnError, default 'report') > > +The default value of the granularity is, if the image format defines > +a cluster size, the cluster size or 4096, whichever is larger. If it > +does not define a cluster size, the default value of the granularity > +is 65536.