From 342ce1823ebaec573ac269b56bca78c698fec5c3 Mon Sep 17 00:00:00 2001
From: "Yan, Zheng" <zyan@redhat.com>
Date: Fri, 11 May 2018 18:47:29 +0800
Subject: ceph: support cephfs' own feature bits

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
---
 fs/ceph/mds_client.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'fs/ceph/mds_client.h')

diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
index 80a7523e1523..32fcce0d4d3c 100644
--- a/fs/ceph/mds_client.h
+++ b/fs/ceph/mds_client.h
@@ -16,6 +16,18 @@
 #include <linux/ceph/mdsmap.h>
 #include <linux/ceph/auth.h>
 
+/* The first 8 bits are reserved for old ceph releases */
+#define CEPHFS_FEATURE_MIMIC    8
+
+#define CEPHFS_FEATURES_ALL {           \
+  0, 1, 2, 3, 4, 5, 6, 7,		\
+  CEPHFS_FEATURE_MIMIC,                 \
+}
+
+#define CEPHFS_FEATURES_CLIENT_SUPPORTED CEPHFS_FEATURES_ALL
+#define CEPHFS_FEATURES_CLIENT_REQUIRED {}
+
+
 /*
  * Some lock dependencies:
  *
-- 
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