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,
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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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31 * Copyright (c) 2012 Whamcloud, Inc.
34 * This file is part of Lustre, http://www.lustre.org/
35 * Lustre is a trademark of Sun Microsystems, Inc.
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>
55 #include <lustre_idmap.h>
56 #include <md_object.h>
57 #include <lu_object.h>
64 } ext_acl_xattr_entry;
68 ext_acl_xattr_entry a_entries[0];
69 } ext_acl_xattr_header;
71 #define CFS_ACL_XATTR_SIZE(count, prefix) \
72 (sizeof(prefix ## _header) + (count) * sizeof(prefix ## _entry))
74 #define CFS_ACL_XATTR_COUNT(size, prefix) \
75 (((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry))
77 extern int lustre_posix_acl_permission(struct md_ucred *mu, struct lu_attr *la,
78 int want, posix_acl_xattr_entry *entry,
80 extern int lustre_posix_acl_chmod_masq(posix_acl_xattr_entry *entry,
81 __u32 mode, int count);
82 extern int lustre_posix_acl_create_masq(posix_acl_xattr_entry *entry,
83 __u32 *pmode, int count);
85 extern ext_acl_xattr_header *
86 lustre_posix_acl_xattr_2ext(posix_acl_xattr_header *header, int size);
88 lustre_posix_acl_xattr_filter(posix_acl_xattr_header *header, int size,
89 posix_acl_xattr_header **out);
91 lustre_posix_acl_xattr_id2client(struct md_ucred *mu,
92 struct lustre_idmap_table *t,
93 posix_acl_xattr_header *header,
96 lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size);
98 lustre_ext_acl_xattr_id2server(struct md_ucred *mu,
99 struct lustre_idmap_table *t,
100 ext_acl_xattr_header *header);
102 lustre_ext_acl_xattr_free(ext_acl_xattr_header *header);
104 lustre_acl_xattr_merge2posix(posix_acl_xattr_header *posix_header, int size,
105 ext_acl_xattr_header *ext_header,
106 posix_acl_xattr_header **out);
107 extern ext_acl_xattr_header *
108 lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size,
109 ext_acl_xattr_header *ext_header);
111 #endif /* CONFIG_FS_POSIX_ACL */