On Fri, Jun 24, 2011 at 10:00:26PM +0200, J. Hannken-Illjes wrote: > ... this time with a diff attached: > > With the attached diff vnd(4) devices will work on sparse files. > - Make the strategy decision a device flag and set to VNF_USE_VN_RDWR for > files known to be sparse.
What will the consumer of the vnd (in the important case, Xen, I suppose) see happen if there are no free blocks available when it writes into a hole? Thor
