Branch b1_8

[fs/lustre-release.git] / lustre / include / linux / lvfs_linux.h

diff --git a/lustre/include/linux/lvfs_linux.h b/lustre/include/linux/lvfs_linux.h
index be7ab2a..e53f1e0 100644 (file)
--- a/lustre/include/linux/lvfs_linux.h
+++ b/lustre/include/linux/lvfs_linux.h
@@ -1,6 +1,39 @@
 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
  * vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * 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 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).
+ *
+ * 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
+ *
+ * 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.
+ *
+ * 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.
+ */
+
 #ifndef __LVFS_LINUX_H__
 #define __LVFS_LINUX_H__
 
@@ -41,22 +74,22 @@ struct lvfs_dentry_params
         __u32            ldp_magic;
 };
 #define LVFS_DENTRY_PARAMS_INIT         { .ldp_magic = LVFS_DENTRY_PARAM_MAGIC }
+/* Only use the least 3 bits of ldp_flags for goal policy */
+typedef enum {
+        DP_GOAL_POLICY       = 0,
+        DP_LASTGROUP_REVERSE = 1,
+} dp_policy_t;
 
-#define BDEVNAME_DECLARE_STORAGE(foo) char foo[BDEVNAME_SIZE]
-#define ll_bdevname(SB, STORAGE) __bdevname(kdev_t_to_nr(SB->s_dev), STORAGE)
 #define lvfs_sbdev(SB)       ((SB)->s_bdev)
 #define lvfs_sbdev_type      struct block_device *
+   int fsync_bdev(struct block_device *);
 #define lvfs_sbdev_sync      fsync_bdev
 
-int fsync_bdev(struct block_device *);
-
 /* Instead of calling within lvfs (a layering violation) */
 #define lvfs_set_rdonly(obd, sb) \
         __lvfs_set_rdonly(lvfs_sbdev(sb), fsfilt_journal_sbdev(obd, sb))
 
 void __lvfs_set_rdonly(lvfs_sbdev_type dev, lvfs_sbdev_type jdev);
-
 int lvfs_check_rdonly(lvfs_sbdev_type dev);
-void lvfs_clear_rdonly(lvfs_sbdev_type dev);
 
 #endif /*  __LVFS_LINUX_H__ */