diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_idmap.h')
-rw-r--r-- | drivers/staging/lustre/lustre/include/lustre_idmap.h | 104 |
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 |