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authorYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
committerYuval Adam <_@yuv.al>2017-08-30 08:25:59 +0000
commit8e4bff4cab0ddac6060645b0715210484d02ff40 (patch)
tree3a5c3024371a04692a3a6d9974d001cdff8ebf84 /include/linux/crush/mapper.h
Initial file dump from open source releaseHEADmaster
Diffstat (limited to 'include/linux/crush/mapper.h')
-rw-r--r--include/linux/crush/mapper.h19
1 files changed, 19 insertions, 0 deletions
diff --git a/include/linux/crush/mapper.h b/include/linux/crush/mapper.h
new file mode 100644
index 00000000..5772dee3
--- /dev/null
+++ b/include/linux/crush/mapper.h
@@ -0,0 +1,19 @@
+#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);
+
+#endif