Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / crush / mapper.h

diff --git a/kernel/include/linux/crush/mapper.h b/kernel/include/linux/crush/mapper.h
new file mode 100644 (file)
index 0000000..eab3674
--- /dev/null
+++ b/kernel/include/linux/crush/mapper.h
@@ -0,0 +1,20 @@
+#ifndef CEPH_CRUSH_MAPPER_H
+#define CEPH_CRUSH_MAPPER_H
+
+/*
+ * CRUSH functions for find rules and then mapping an input to an
+ * output set.
+ *
+ * LGPL2
+ */
+
+#include <linux/crush/crush.h>
+
+extern int crush_find_rule(const struct crush_map *map, int ruleset, int type, int size);
+extern int crush_do_rule(const struct crush_map *map,
+                        int ruleno,
+                        int x, int *result, int result_max,
+                        const __u32 *weights, int weight_max,
+                        int *scratch);
+
+#endif