aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/lustre/lustre/include/lustre_idmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_idmap.h')
-rw-r--r--drivers/staging/lustre/lustre/include/lustre_idmap.h104
1 files changed, 0 insertions, 104 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_idmap.h b/drivers/staging/lustre/lustre/include/lustre_idmap.h
deleted file mode 100644
index 5624b8bae919..000000000000
--- a/drivers/staging/lustre/lustre/include/lustre_idmap.h
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * 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 (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.
- */
-
-#ifndef _LUSTRE_IDMAP_H
-#define _LUSTRE_IDMAP_H
-
-/** \defgroup idmap idmap
- *
- * @{
- */
-
-#include "../../include/linux/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])
-
-enum {
- CFS_IC_NOTHING = 0, /* convert nothing */
- CFS_IC_ALL = 1, /* convert all items */
- CFS_IC_MAPPED = 2, /* convert mapped uid/gid */
- CFS_IC_UNMAPPED = 3 /* convert unmapped uid/gid */
-};
-
-#define CFS_IDMAP_NOTFOUND (-1)
-
-#define CFS_IDMAP_HASHSIZE 32
-
-enum lustre_idmap_idx {
- RMT_UIDMAP_IDX,
- LCL_UIDMAP_IDX,
- RMT_GIDMAP_IDX,
- LCL_GIDMAP_IDX,
- CFS_IDMAP_N_HASHES
-};
-
-struct lustre_idmap_table {
- 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 lu_ucred *mu, gid_t grp);
-
-extern int lustre_idmap_add(struct lustre_idmap_table *t,
- uid_t ruid, uid_t luid,
- gid_t rgid, gid_t lgid);
-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 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