On Fri, 09/05 12:21, Kevin Wolf wrote: > Am 01.09.2014 um 12:52 hat Jun Li geschrieben: > > When every item of refcount block is NULL, free refcount block and reset the > > corresponding item of refcount table with NULL. > > > > Signed-off-by: Jun Li <address@hidden> > > The commit message should also describe why this is a relevant > improvement for some use case. My gut feeling is that it complicates the > code for a very minimal gain.
Hi Kevin, "Add update refcount table realization for update_refcount" is nesseary for qcow2 shrinking. I will submit v3 of "qcow2: Patch for shrinking qcow2 disk image". When check the code of update_refcount, I find it lacks of this patch. Best Regards, Jun Li