X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=lib%2Fscatterlist.c;h=3675452b23ca175b612489e362aa7274b75d96a5;hb=f76ddd98075de950cbb13f47b8356262d9f44c6d;hp=e76d85cf31755c6de5b9ca5898756254e0525845;hpb=50e0d10232db05c6776afcf6098459bff47e8b15;p=linux-2.6-microblaze.git

diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index e76d85cf3175..3675452b23ca 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -38,6 +38,25 @@ struct scatterlist *sg_next(struct scatterlist *sg)
 }
 EXPORT_SYMBOL(sg_next);
 
+/**
+ * sg_nents - return total count of entries in scatterlist
+ * @sg:		The scatterlist
+ *
+ * Description:
+ * Allows to know how many entries are in sg, taking into acount
+ * chaining as well
+ *
+ **/
+int sg_nents(struct scatterlist *sg)
+{
+	int nents;
+	for (nents = 0; sg; sg = sg_next(sg))
+		nents++;
+	return nents;
+}
+EXPORT_SYMBOL(sg_nents);
+
+
 /**
  * sg_last - return the last scatterlist entry in a list
  * @sgl:	First entry in the scatterlist