4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
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21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
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34 * This file is part of Lustre, http://www.lustre.org/
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37 * lustre/lustre/include/lustre_idmap.h
39 * MDS data structures.
40 * See also lustre_idl.h for wire formats of requests.
43 #ifndef _LUSTRE_EACL_H
44 #define _LUSTRE_EACL_H
46 /** \defgroup eacl eacl
51 #ifdef CONFIG_FS_POSIX_ACL
53 #include <linux/posix_acl_xattr.h>
60 } ext_acl_xattr_entry;
64 ext_acl_xattr_entry a_entries[0];
65 } ext_acl_xattr_header;
67 #define CFS_ACL_XATTR_SIZE(count, prefix) \
68 (sizeof(prefix ## _header) + (count) * sizeof(prefix ## _entry))
70 #define CFS_ACL_XATTR_COUNT(size, prefix) \
71 (((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry))
73 #ifdef HAVE_SERVER_SUPPORT
76 struct lustre_idmap_table;
78 extern int lustre_posix_acl_permission(struct lu_ucred *mu, struct lu_attr *la,
79 int want, posix_acl_xattr_entry *entry,
81 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
82 __u32 mode, int count);
83 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
84 __u32 *pmode, int count);
85 extern int lustre_posix_acl_equiv_mode(posix_acl_xattr_entry *entry, mode_t *mode_p,
89 lustre_posix_acl_xattr_id2client(struct lu_ucred *mu,
90 struct lustre_idmap_table *t,
91 posix_acl_xattr_header *header,
95 lustre_ext_acl_xattr_id2server(struct lu_ucred *mu,
96 struct lustre_idmap_table *t,
97 ext_acl_xattr_header *header);
98 #endif /* HAVE_SERVER_SUPPORT */
100 extern ext_acl_xattr_header *
101 lustre_posix_acl_xattr_2ext(posix_acl_xattr_header *header, int size);
103 lustre_posix_acl_xattr_filter(posix_acl_xattr_header *header, int size,
104 posix_acl_xattr_header **out);
106 lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size);
108 lustre_ext_acl_xattr_free(ext_acl_xattr_header *header);
110 lustre_acl_xattr_merge2posix(posix_acl_xattr_header *posix_header, int size,
111 ext_acl_xattr_header *ext_header,
112 posix_acl_xattr_header **out);
113 extern ext_acl_xattr_header *
114 lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size,
115 ext_acl_xattr_header *ext_header);
117 #endif /* CONFIG_FS_POSIX_ACL */