On 01/16/2013 09:24 AM, Benoît Canet wrote: > Signed-off-by: Benoit Canet <ben...@irqsave.net> > --- > block/qcow2.c | 43 +++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 43 insertions(+) >
> + if (s->has_dedup) { > + memset(&dedup_table_extension, 0, sizeof(dedup_table_extension)); > + dedup_table_extension.offset = cpu_to_be64(s->dedup_table_offset); > + dedup_table_extension.size = cpu_to_be32(s->dedup_table_size); > + dedup_table_extension.hash_algo = s->dedup_hash_algo; > + dedup_table_extension.strategies |= 1; /* RAM based lookup */ > + dedup_table_extension.strategies |= 1 << 2; /* deduplication running > */ Magic numbers here; you should probably give these bits a symbolic name via #define or enum. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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