ceph: clean up header guards

Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/ceph_frag.h b/fs/ceph/ceph_frag.h
index 793f50c..5babb8e 100644
--- a/fs/ceph/ceph_frag.h
+++ b/fs/ceph/ceph_frag.h
@@ -1,5 +1,5 @@
-#ifndef _FS_CEPH_FRAG_H
-#define _FS_CEPH_FRAG_H
+#ifndef FS_CEPH_FRAG_H
+#define FS_CEPH_FRAG_H
 
 /*
  * "Frags" are a way to describe a subset of a 32-bit number space,
diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
index 86fadeb..663ff90 100644
--- a/fs/ceph/ceph_fs.h
+++ b/fs/ceph/ceph_fs.h
@@ -9,8 +9,8 @@
  * LGPL2
  */
 
-#ifndef _FS_CEPH_CEPH_FS_H
-#define _FS_CEPH_CEPH_FS_H
+#ifndef CEPH_FS_H
+#define CEPH_FS_H
 
 #include "msgr.h"
 #include "rados.h"
diff --git a/fs/ceph/ceph_hash.h b/fs/ceph/ceph_hash.h
index 5ac470c..d099c3f 100644
--- a/fs/ceph/ceph_hash.h
+++ b/fs/ceph/ceph_hash.h
@@ -1,5 +1,5 @@
-#ifndef _FS_CEPH_HASH_H
-#define _FS_CEPH_HASH_H
+#ifndef FS_CEPH_HASH_H
+#define FS_CEPH_HASH_H
 
 #define CEPH_STR_HASH_LINUX      0x1  /* linux dcache hash */
 #define CEPH_STR_HASH_RJENKINS   0x2  /* robert jenkins' */
diff --git a/fs/ceph/crush/crush.h b/fs/ceph/crush/crush.h
index dcd7e75..97e435b 100644
--- a/fs/ceph/crush/crush.h
+++ b/fs/ceph/crush/crush.h
@@ -1,5 +1,5 @@
-#ifndef _CRUSH_CRUSH_H
-#define _CRUSH_CRUSH_H
+#ifndef CEPH_CRUSH_CRUSH_H
+#define CEPH_CRUSH_CRUSH_H
 
 #include <linux/types.h>
 
diff --git a/fs/ceph/crush/hash.h b/fs/ceph/crush/hash.h
index ff48e110..91e8842 100644
--- a/fs/ceph/crush/hash.h
+++ b/fs/ceph/crush/hash.h
@@ -1,5 +1,5 @@
-#ifndef _CRUSH_HASH_H
-#define _CRUSH_HASH_H
+#ifndef CEPH_CRUSH_HASH_H
+#define CEPH_CRUSH_HASH_H
 
 #define CRUSH_HASH_RJENKINS1   0
 
diff --git a/fs/ceph/crush/mapper.h b/fs/ceph/crush/mapper.h
index 98e9004..c46b99c 100644
--- a/fs/ceph/crush/mapper.h
+++ b/fs/ceph/crush/mapper.h
@@ -1,5 +1,5 @@
-#ifndef _CRUSH_MAPPER_H
-#define _CRUSH_MAPPER_H
+#ifndef CEPH_CRUSH_MAPPER_H
+#define CEPH_CRUSH_MAPPER_H
 
 /*
  * CRUSH functions for find rules and then mapping an input to an
diff --git a/fs/ceph/msgr.h b/fs/ceph/msgr.h
index 892a029..680d3d6 100644
--- a/fs/ceph/msgr.h
+++ b/fs/ceph/msgr.h
@@ -1,5 +1,5 @@
-#ifndef __MSGR_H
-#define __MSGR_H
+#ifndef CEPH_MSGR_H
+#define CEPH_MSGR_H
 
 /*
  * Data types for message passing layer used by Ceph.
diff --git a/fs/ceph/rados.h b/fs/ceph/rados.h
index 8fcc023..20b5b45 100644
--- a/fs/ceph/rados.h
+++ b/fs/ceph/rados.h
@@ -1,5 +1,5 @@
-#ifndef __RADOS_H
-#define __RADOS_H
+#ifndef CEPH_RADOS_H
+#define CEPH_RADOS_H
 
 /*
  * Data types for the Ceph distributed object storage layer RADOS