Richard Laager wrote: > By default, `zfs create -V ...` reserves space for the entire volsize, > plus some extra (which attempts to account for overhead). > > If `zfs create -s -V ...` is used instead, zvols are (fully) sparse. > > A middle ground (partial allocation) can be achieved with > `zfs create -s -o refreservation=... -V ...`. Both libvirt and ZFS > support this approach, so the ZFS storage backend should support it. > > Signed-off-by: Richard Laager <rlaager@xxxxxxxxxx> > --- > > Notes: > This version does not clamp allocation to capacity. > > src/storage/storage_backend_zfs.c | 26 ++++++++++++++++++++++++-- > 1 file changed, 24 insertions(+), 2 deletions(-) ACK and pushed, thanks! Roman Bogorodskiy
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