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-rw-r--r--include/linux/device-mapper.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index a7e6903866fd..874462153f14 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -221,6 +221,12 @@ struct target_type {
*/
typedef unsigned (*dm_num_write_bios_fn) (struct dm_target *ti, struct bio *bio);
+/*
+ * A target implements own bio data integrity.
+ */
+#define DM_TARGET_INTEGRITY 0x00000010
+#define dm_target_has_integrity(type) ((type)->features & DM_TARGET_INTEGRITY)
+
struct dm_target {
struct dm_table *table;
struct target_type *type;