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-rw-r--r--include/linux/ceph/ceph_features.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
new file mode 100644
index 00000000000..dad579b0c0e
--- /dev/null
+++ b/include/linux/ceph/ceph_features.h
@@ -0,0 +1,27 @@
+#ifndef __CEPH_FEATURES
+#define __CEPH_FEATURES
+
+/*
+ * feature bits
+ */
+#define CEPH_FEATURE_UID (1<<0)
+#define CEPH_FEATURE_NOSRCADDR (1<<1)
+#define CEPH_FEATURE_MONCLOCKCHECK (1<<2)
+#define CEPH_FEATURE_FLOCK (1<<3)
+#define CEPH_FEATURE_SUBSCRIBE2 (1<<4)
+#define CEPH_FEATURE_MONNAMES (1<<5)
+#define CEPH_FEATURE_RECONNECT_SEQ (1<<6)
+#define CEPH_FEATURE_DIRLAYOUTHASH (1<<7)
+/* bits 8-17 defined by user-space; not supported yet here */
+#define CEPH_FEATURE_CRUSH_TUNABLES (1<<18)
+
+/*
+ * Features supported.
+ */
+#define CEPH_FEATURES_SUPPORTED_DEFAULT \
+ (CEPH_FEATURE_NOSRCADDR | \
+ CEPH_FEATURE_CRUSH_TUNABLES)
+
+#define CEPH_FEATURES_REQUIRED_DEFAULT \
+ (CEPH_FEATURE_NOSRCADDR)
+#endif