[dm-devel] [PATCH] dm-kcopyd: optionally zero an area instead of copying
Joe Thornber
thornber at redhat.com
Thu Jun 9 10:04:30 UTC 2011
On Wed, Jun 08, 2011 at 05:55:37PM -0400, Mikulas Patocka wrote:
> Hi
>
> This patch introduces an option to kcopyd to zero requested area instead
> of copying. I think Joe may need something like this in his snapshot
> store.
Could we have another function please, rather than overloading the
existing entry point?
i.e.,
int dm_kcopyd_zero(struct dm_kcopyd_client *kc,
unsigned num_dests, struct dm_io_region *dests,
unsigned flags, dm_kcopyd_notify_fn fn, void *context);
Thanks,
- Joe
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