[S390] cio: introduce css_eval_scheduled

[net-next-2.6.git] / drivers / s390 / cio / idset.c

diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index cf8f24a4b5ebf7e4e0cba41ebfa4a6060730f1f8..77e42cb127bb6e9b7e8ef06a94d0b0803068b7f4 100644 (file)
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -110,3 +110,13 @@ int idset_sch_get_first(struct idset *set, struct subchannel_id *schid)
        }
        return rc;
 }
+
+int idset_is_empty(struct idset *set)
+{
+       int bitnum;
+
+       bitnum = find_first_bit(set->bitmap, set->num_ssid * set->num_id);
+       if (bitnum >= set->num_ssid * set->num_id)
+               return 1;
+       return 0;
+}