[GFS2] The core of GFS2

This patch contains all the core files for GFS2.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
new file mode 100644
index 0000000..005529f
--- /dev/null
+++ b/fs/gfs2/quota.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
+ * Copyright (C) 2004-2005 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 __QUOTA_DOT_H__
+#define __QUOTA_DOT_H__
+
+#define NO_QUOTA_CHANGE ((uint32_t)-1)
+
+int gfs2_quota_hold(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
+void gfs2_quota_unhold(struct gfs2_inode *ip);
+
+int gfs2_quota_lock(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
+void gfs2_quota_unlock(struct gfs2_inode *ip);
+
+int gfs2_quota_check(struct gfs2_inode *ip, uint32_t uid, uint32_t gid);
+void gfs2_quota_change(struct gfs2_inode *ip, int64_t change,
+		       uint32_t uid, uint32_t gid);
+
+int gfs2_quota_sync(struct gfs2_sbd *sdp);
+int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, uint32_t id);
+int gfs2_quota_read(struct gfs2_sbd *sdp, int user, uint32_t id,
+		    struct gfs2_quota *q);
+
+int gfs2_quota_init(struct gfs2_sbd *sdp);
+void gfs2_quota_scan(struct gfs2_sbd *sdp);
+void gfs2_quota_cleanup(struct gfs2_sbd *sdp);
+
+#endif /* __QUOTA_DOT_H__ */