dm: linear support discard

[net-next-2.6.git] / drivers / md / dm.h

diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 0d7b374c5dc24dc3dd7624ed5761aaf95ab96f07..0c2dd5f4af7658936a2c44bfa62a6aa774e56723 100644 (file)
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -61,6 +61,7 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits);
 int dm_table_any_busy_target(struct dm_table *t);
 unsigned dm_table_get_type(struct dm_table *t);
 bool dm_table_request_based(struct dm_table *t);
+bool dm_table_supports_discards(struct dm_table *t);
 int dm_table_alloc_md_mempools(struct dm_table *t);
 void dm_table_free_md_mempools(struct dm_table *t);
 struct dm_md_mempools *dm_table_get_md_mempools(struct dm_table *t);