/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * NFS export of Lustre Light File System
+ * GPL HEADER START
*
- * Copyright (c) 2002, 2006 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Author: Yury Umanets <umka@clusterfs.com>
- * Huang Hua <huanghua@clusterfs.com>
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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 version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * Lustre 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.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/lustre/llite/llite_nfs.c
+ *
+ * NFS export of Lustre Light File System
+ *
+ * Author: Yury Umanets <umka@clusterfs.com>
+ * Author: Huang Hua <huanghua@clusterfs.com>
*/
#define DEBUG_SUBSYSTEM S_LLITE
#include <linux/exportfs.h>
#endif
+__u32 get_uuid2int(const char *name, int len)
+{
+ __u32 key0 = 0x12a3fe2d, key1 = 0x37abe8f9;
+ while (len--) {
+ __u32 key = key1 + (key0 ^ (*name++ * 7152373));
+ if (key & 0x80000000) key -= 0x7fffffff;
+ key1 = key0;
+ key0 = key;
+ }
+ return (key0 << 1);
+}
+
static int ll_nfs_test_inode(struct inode *inode, void *opaque)
{
return lu_fid_eq(&ll_i2info(inode)->lli_fid,
RETURN(ERR_PTR(-ENOMEM));
}
- ll_set_dd(result);
-
- lock_dentry(result);
- if (unlikely(result->d_op == &ll_init_d_ops)) {
- result->d_op = &ll_d_ops;
- unlock_dentry(result);
- smp_wmb();
- ll_d_wakeup(result);
- } else {
- result->d_op = &ll_d_ops;
- unlock_dentry(result);
- }
+ ll_dops_init(result, 1);
RETURN(result);
}