dm kcopyd: add dm_kcopyd_zero to zero an area

[karo-tx-linux.git] / include / linux / dm-kcopyd.h

diff --git a/include/linux/dm-kcopyd.h b/include/linux/dm-kcopyd.h
index 5e54458e920f36466a29d83ccbe913a03f347a01..47d9d376e4e7a9e0cecb609065b3d735825cfdb9 100644 (file)
--- a/include/linux/dm-kcopyd.h
+++ b/include/linux/dm-kcopyd.h
@@ -57,5 +57,9 @@ void *dm_kcopyd_prepare_callback(struct dm_kcopyd_client *kc,
                                 dm_kcopyd_notify_fn fn, void *context);
 void dm_kcopyd_do_callback(void *job, int read_err, unsigned long write_err);
 
+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);
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_DM_KCOPYD_H */