LU-3963 obdclass: convert to linux list api

[fs/lustre-release.git] / lustre / include / lustre_idmap.h

diff --git a/lustre/include/lustre_idmap.h b/lustre/include/lustre_idmap.h
index fa1a6cc..a7d3841 100644 (file)
--- a/lustre/include/lustre_idmap.h
+++ b/lustre/include/lustre_idmap.h
@@ -1,7 +1,39 @@
-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
  *
- *   This file is part of Lustre, http://www.lustre.org
+ * 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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lustre/lustre/include/lustre_idmap.h
  *
  * MDS data structures.
  * See also lustre_idl.h for wire formats of requests.
@@ -10,9 +42,14 @@
 #ifndef _LUSTRE_IDMAP_H
 #define _LUSTRE_IDMAP_H
 
-#include <md_object.h>
+/** \defgroup idmap idmap
+ *
+ * @{
+ */
 
-#define CFS_NGROUPS_PER_BLOCK   ((int)(CFS_PAGE_SIZE / sizeof(gid_t)))
+#include <libcfs/libcfs.h>
+
+#define CFS_NGROUPS_PER_BLOCK   ((int)(PAGE_CACHE_SIZE / sizeof(gid_t)))
 
 #define CFS_GROUP_AT(gi, i) \
         ((gi)->blocks[(i) / CFS_NGROUPS_PER_BLOCK][(i) % CFS_NGROUPS_PER_BLOCK])
@@ -37,13 +74,15 @@ enum lustre_idmap_idx {
 };
 
 struct lustre_idmap_table {
-        spinlock_t       lit_lock;
-        struct list_head lit_idmaps[CFS_IDMAP_N_HASHES][CFS_IDMAP_HASHSIZE];
+       spinlock_t       lit_lock;
+       struct list_head lit_idmaps[CFS_IDMAP_N_HASHES][CFS_IDMAP_HASHSIZE];
 };
 
+struct lu_ucred;
+
 extern void lustre_groups_from_list(struct group_info *ginfo, gid_t *glist);
 extern void lustre_groups_sort(struct group_info *group_info);
-extern int lustre_in_group_p(struct md_ucred *mu, gid_t grp);
+extern int lustre_in_group_p(struct lu_ucred *mu, gid_t grp);
 
 extern int lustre_idmap_add(struct lustre_idmap_table *t,
                             uid_t ruid, uid_t luid,
@@ -51,13 +90,15 @@ extern int lustre_idmap_add(struct lustre_idmap_table *t,
 extern int lustre_idmap_del(struct lustre_idmap_table *t,
                             uid_t ruid, uid_t luid,
                             gid_t rgid, gid_t lgid);
-extern int lustre_idmap_lookup_uid(struct md_ucred *mu,
-                                   struct lustre_idmap_table *t,
-                                   int reverse, uid_t uid);
-extern int lustre_idmap_lookup_gid(struct md_ucred *mu,
-                                   struct lustre_idmap_table *t,
-                                   int reverse, gid_t gid);
+extern int lustre_idmap_lookup_uid(struct lu_ucred *mu,
+                                  struct lustre_idmap_table *t,
+                                  int reverse, uid_t uid);
+extern int lustre_idmap_lookup_gid(struct lu_ucred *mu,
+                                  struct lustre_idmap_table *t,
+                                  int reverse, gid_t gid);
 extern struct lustre_idmap_table *lustre_idmap_init(void);
 extern void lustre_idmap_fini(struct lustre_idmap_table *t);
 
+/** @} idmap */
+
 #endif