1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 09a57113955..c5f784419f2 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1080,6 +1080,20 @@ int dm_table_any_congested(struct dm_table *t, int bdi_bits)
         return r;
 }
 
+int dm_table_any_busy_target(struct dm_table *t)
+{
+        unsigned i;
+        struct dm_target *ti;
+
+        for (i = 0; i < t->num_targets; i++) {
+                ti = t->targets + i;
+                if (ti->type->busy && ti->type->busy(ti))
+                        return 1;
+        }
+
+        return 0;
+}
+
 void dm_table_unplug_all(struct dm_table *t)
 {
         struct dm_dev_internal *dd;