On 07/05/2015 14:29, Kevin Wolf wrote: > > No, it shouldn't indeed. > > > > Could alloc_clusters_noref do bdrv_truncate and return ENOSPC if it > > fails? That's how for example qcow and vhdx work. vdi has the same > > problem. > > If you want NBD to return -ENOSPC for writes after EOF, change the > nbd block driver to do just that. There's no reason to add additional > overhead to qcow2 (even over raw-posix) for that.
Does ENOSPC over LVM (dm-linear) work at all, and who generates the ENOSPC there? Paolo
