[PATCH] This patch contains the following cleanups:

- cluster/sys.c: make needlessly global code static
- dlm/: "extern" declarations for variables belong into header files
        (and in this case, they are already in dlmdomain.h)

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>

fs/ocfs2/cluster/sys.c

@@ -50,7 +50,7 @@ static ssize_t o2cb_interface_revision_show(char *buf)
 	return snprintf(buf, PAGE_SIZE, "%u\n", O2NM_API_VERSION);
 }
 
-O2CB_ATTR(interface_revision, S_IFREG | S_IRUGO, o2cb_interface_revision_show, NULL);
+static O2CB_ATTR(interface_revision, S_IFREG | S_IRUGO, o2cb_interface_revision_show, NULL);
 
 static struct attribute *o2cb_attrs[] = {
 	&o2cb_attr_interface_revision.attr,
@@ -73,7 +73,7 @@ static struct kobj_type o2cb_subsys_type = {
 };
 
 /* gives us o2cb_subsys */
-decl_subsys(o2cb, NULL, NULL);
+static decl_subsys(o2cb, NULL, NULL);
 
 static ssize_t
 o2cb_show(struct kobject * kobj, struct attribute * attr, char * buffer)

fs/ocfs2/dlm/dlmmaster.c

@@ -48,6 +48,7 @@
 #include "dlmapi.h"
 #include "dlmcommon.h"
 #include "dlmdebug.h"
+#include "dlmdomain.h"
 
 #define MLOG_MASK_PREFIX (ML_DLM|ML_DLM_MASTER)
 #include "cluster/masklog.h"
@@ -178,9 +179,6 @@ static void dlm_dump_mles(struct dlm_ctxt *dlm)
 	spin_unlock(&dlm->master_lock);
 }
 
-extern spinlock_t dlm_domain_lock;
-extern struct list_head dlm_domains;
-
 int dlm_dump_all_mles(const char __user *data, unsigned int len)
 {
 	struct list_head *iter;

fs/ocfs2/dlm/dlmthread.c

@@ -52,9 +52,6 @@
 #define MLOG_MASK_PREFIX (ML_DLM|ML_DLM_THREAD)
 #include "cluster/masklog.h"
 
-extern spinlock_t dlm_domain_lock;
-extern struct list_head dlm_domains;
-
 static int dlm_thread(void *data);
 
 static void dlm_flush_asts(struct dlm_ctxt *dlm);