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authorMark Fasheh <mark.fasheh@oracle.com>2007-12-20 16:49:04 -0800
committerMark Fasheh <mark.fasheh@oracle.com>2008-01-25 15:05:43 -0800
commit53fc622b9e829c8e632e45ef8c14f054388759c1 (patch)
tree6b8585ab00312dd798d8087c452393bf6cc0d344 /fs/ocfs2/locks.h
parentcf8e06f1a860d8680d6bb4ac8ec7d7724988e46f (diff)
[PATCH 2/2] ocfs2: cluster aware flock()
Hook up ocfs2_flock(), using the new flock lock type in dlmglue.c. A new mount option, "localflocks" is added so that users can revert to old functionality as need be. Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/locks.h')
-rw-r--r--fs/ocfs2/locks.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/fs/ocfs2/locks.h b/fs/ocfs2/locks.h
new file mode 100644
index 000000000000..9743ef2324ec
--- /dev/null
+++ b/fs/ocfs2/locks.h
@@ -0,0 +1,31 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * locks.h
+ *
+ * Function prototypes for Userspace file locking support
+ *
+ * Copyright (C) 2002, 2004 Oracle. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef OCFS2_LOCKS_H
+#define OCFS2_LOCKS_H
+
+int ocfs2_flock(struct file *file, int cmd, struct file_lock *fl);
+
+#endif /* OCFS2_LOCKS_H */