libceph: move feature bits to separate header

This is simply cleanup that will keep things more closely synced with the
userland code.

Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <elder@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 418f6a8..39b76d6 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -10,6 +10,7 @@
 #include "super.h"
 #include "mds_client.h"
 
+#include <linux/ceph/ceph_features.h>
 #include <linux/ceph/messenger.h>
 #include <linux/ceph/decode.h>
 #include <linux/ceph/pagelist.h>
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index 1e67dd7..2c47ecf 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -18,6 +18,7 @@
 #include "super.h"
 #include "mds_client.h"
 
+#include <linux/ceph/ceph_features.h>
 #include <linux/ceph/decode.h>
 #include <linux/ceph/mon_client.h>
 #include <linux/ceph/auth.h>
diff --git a/include/linux/ceph/ceph_features.h b/include/linux/ceph/ceph_features.h
new file mode 100644
index 0000000..342f93d
--- /dev/null
+++ b/include/linux/ceph/ceph_features.h
@@ -0,0 +1,24 @@
+#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)
+
+/*
+ * Features supported.
+ */
+#define CEPH_FEATURES_SUPPORTED_DEFAULT  \
+	(CEPH_FEATURE_NOSRCADDR)
+
+#define CEPH_FEATURES_REQUIRED_DEFAULT   \
+	(CEPH_FEATURE_NOSRCADDR)
+#endif
diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h
index e81ab30..d021610 100644
--- a/include/linux/ceph/ceph_fs.h
+++ b/include/linux/ceph/ceph_fs.h
@@ -35,20 +35,6 @@
 /* arbitrary limit on max # of monitors (cluster of 3 is typical) */
 #define CEPH_MAX_MON   31
 
-
-/*
- * 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)
-
-
 /*
  * ceph_file_layout - describe data layout for a file/inode
  */
diff --git a/include/linux/ceph/libceph.h b/include/linux/ceph/libceph.h
index 98ec36a..ea072e1 100644
--- a/include/linux/ceph/libceph.h
+++ b/include/linux/ceph/libceph.h
@@ -23,12 +23,6 @@
 #include "ceph_fs.h"
 
 /*
- * Supported features
- */
-#define CEPH_FEATURE_SUPPORTED_DEFAULT CEPH_FEATURE_NOSRCADDR
-#define CEPH_FEATURE_REQUIRED_DEFAULT  CEPH_FEATURE_NOSRCADDR
-
-/*
  * mount options
  */
 #define CEPH_OPT_FSID             (1<<0)
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 3b45e01..69e38db 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -17,6 +17,7 @@
 #include <linux/string.h>
 
 
+#include <linux/ceph/ceph_features.h>
 #include <linux/ceph/libceph.h>
 #include <linux/ceph/debugfs.h>
 #include <linux/ceph/decode.h>
@@ -460,9 +461,9 @@
 	client->auth_err = 0;
 
 	client->extra_mon_dispatch = NULL;
-	client->supported_features = CEPH_FEATURE_SUPPORTED_DEFAULT |
+	client->supported_features = CEPH_FEATURES_SUPPORTED_DEFAULT |
 		supported_features;
-	client->required_features = CEPH_FEATURE_REQUIRED_DEFAULT |
+	client->required_features = CEPH_FEATURES_REQUIRED_DEFAULT |
 		required_features;
 
 	/* msgr */