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[fs/lustre-release.git] / lustre / llite / llite_nfs.c
index cbf5946..f20bf65 100644 (file)
@@ -1,5 +1,4 @@
-/*
- * -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
+/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
  *
  * GPL HEADER START
@@ -17,8 +16,8 @@
  * in the LICENSE file that accompanied this code).
  *
  * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see [sun.com URL with a
- * copy of GPLv2].
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
  *
  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
 #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,
@@ -126,18 +137,7 @@ static struct dentry *ll_iget_for_nfs(struct super_block *sb,
                 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);
 }