diff --git a/Documentation/device-mapper/thin-provisioning.txt b/Documentation/device-mapper/thin-provisioning.txt
index b8a57b9cec19..883e7ca5f745 100644
--- a/Documentation/device-mapper/thin-provisioning.txt
+++ b/Documentation/device-mapper/thin-provisioning.txt
@@ -281,7 +281,7 @@ ii) Status
     <transaction id> <used metadata blocks>/<total metadata blocks>
     <used data blocks>/<total data blocks> <held metadata root>
     ro|rw|out_of_data_space [no_]discard_passdown [error|queue]_if_no_space
-    needs_check|-
+    needs_check|- metadata_low_watermark
 
     transaction id:
 	A 64-bit number used by userspace to help synchronise with metadata
@@ -328,6 +328,11 @@ ii) Status
 	thin-pool can be made fully operational again.  '-' indicates
 	needs_check is not set.
 
+    metadata_low_watermark:
+	Value of metadata low watermark in blocks.  The kernel sets this
+	value internally but userspace needs to know this value to
+	determine if an event was caused by crossing this threshold.
+
 iii) Messages
 
     create_thin <dev id>
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index b900723bbd0f..c44477d7a9ea 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -3890,6 +3890,8 @@ static void pool_status(struct dm_target *ti, status_type_t type,
 		else
 			DMEMIT("- ");
 
+		DMEMIT("%llu ", (unsigned long long)calc_metadata_threshold(pt));
+
 		break;
 
 	case STATUSTYPE_TABLE:
@@ -3979,7 +3981,7 @@ static struct target_type pool_target = {
 	.name = "thin-pool",
 	.features = DM_TARGET_SINGLETON | DM_TARGET_ALWAYS_WRITEABLE |
 		    DM_TARGET_IMMUTABLE,
-	.version = {1, 19, 0},
+	.version = {1, 20, 0},
 	.module = THIS_MODULE,
 	.ctr = pool_ctr,
 	.dtr = pool_dtr,
@@ -4353,7 +4355,7 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits)
 
 static struct target_type thin_target = {
 	.name = "thin",
-	.version = {1, 19, 0},
+	.version = {1, 20, 0},
 	.module	= THIS_MODULE,
 	.ctr = thin_ctr,
 	.dtr = thin_dtr,