dlm: move plock code from gfs2

Move the code that handles cluster posix locks from gfs2 into the dlm
so that it can be used by both gfs2 and ocfs2.

Signed-off-by: David Teigland <teigland@redhat.com>

3 files changed, 51 insertions, 42 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index b3d9ccde0c27..376fc972efed 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -100,7 +100,7 @@ header-y += ixjuser.h
 header-y += jffs2.h
 header-y += keyctl.h
 header-y += limits.h
-header-y += lock_dlm_plock.h
+header-y += dlm_plock.h
 header-y += magic.h
 header-y += major.h
 header-y += matroxfb.h
diff --git a/include/linux/dlm_plock.h b/include/linux/dlm_plock.h
new file mode 100644
index 000000000000..18d5fdbceb74
--- /dev/null
+++ b/include/linux/dlm_plock.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2005-2008 Red Hat, Inc.  All rights reserved.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ */
+
+#ifndef __DLM_PLOCK_DOT_H__
+#define __DLM_PLOCK_DOT_H__
+
+#define DLM_PLOCK_MISC_NAME             "dlm_plock"
+
+#define DLM_PLOCK_VERSION_MAJOR 1
+#define DLM_PLOCK_VERSION_MINOR 1
+#define DLM_PLOCK_VERSION_PATCH 0
+
+enum {
+        DLM_PLOCK_OP_LOCK = 1,
+        DLM_PLOCK_OP_UNLOCK,
+        DLM_PLOCK_OP_GET,
+};
+
+struct dlm_plock_info {
+        __u32 version[3];
+        __u8 optype;
+        __u8 ex;
+        __u8 wait;
+        __u8 pad;
+        __u32 pid;
+        __s32 nodeid;
+        __s32 rv;
+        __u32 fsid;
+        __u64 number;
+        __u64 start;
+        __u64 end;
+        __u64 owner;
+};
+
+#ifdef __KERNEL__
+int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
+                int cmd, struct file_lock *fl);
+int dlm_posix_unlock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
+                struct file_lock *fl);
+int dlm_posix_get(dlm_lockspace_t *lockspace, u64 number, struct file *file,
+                struct file_lock *fl);
+#endif /* __KERNEL__ */
+
+#endif
+
diff --git a/include/linux/lock_dlm_plock.h b/include/linux/lock_dlm_plock.h
deleted file mode 100644
index fc3415113973..000000000000
--- a/include/linux/lock_dlm_plock.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (C) 2005 Red Hat, Inc.  All rights reserved.
- *
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU General Public License v.2.
- */
-
-#ifndef __LOCK_DLM_PLOCK_DOT_H__
-#define __LOCK_DLM_PLOCK_DOT_H__
-
-#define GDLM_PLOCK_MISC_NAME            "lock_dlm_plock"
-
-#define GDLM_PLOCK_VERSION_MAJOR        1
-#define GDLM_PLOCK_VERSION_MINOR        1
-#define GDLM_PLOCK_VERSION_PATCH        0
-
-enum {
-        GDLM_PLOCK_OP_LOCK = 1,
-        GDLM_PLOCK_OP_UNLOCK,
-        GDLM_PLOCK_OP_GET,
-};
-
-struct gdlm_plock_info {
-        __u32 version[3];
-        __u8 optype;
-        __u8 ex;
-        __u8 wait;
-        __u8 pad;
-        __u32 pid;
-        __s32 nodeid;
-        __s32 rv;
-        __u32 fsid;
-        __u64 number;
-        __u64 start;
-        __u64 end;
-        __u64 owner;
-};
-
-#endif
-