1 /* 2 * GPL HEADER START 3 * 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 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. 9 * 10 * This program is distributed in the hope that it will be useful, but 11 * WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License version 2 for more details (a copy is included 14 * in the LICENSE file that accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License 17 * version 2 along with this program; If not, see 18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf 19 * 20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, 21 * CA 95054 USA or visit www.sun.com if you need additional information or 22 * have any questions. 23 * 24 * GPL HEADER END 25 */ 26 /* 27 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 /* 31 * Copyright (c) 2011, 2012, Intel Corporation. 32 */ 33 /* 34 * This file is part of Lustre, http://www.lustre.org/ 35 * Lustre is a trademark of Sun Microsystems, Inc. 36 * 37 * lustre/lustre/include/lustre_idmap.h 38 * 39 * MDS data structures. 40 * See also lustre_idl.h for wire formats of requests. 41 */ 42 43 #ifndef _LUSTRE_EACL_H 44 #define _LUSTRE_EACL_H 45 46 /** \defgroup eacl eacl 47 * 48 * @{ 49 */ 50 51 #ifdef CONFIG_FS_POSIX_ACL 52 53 #include <linux/posix_acl_xattr.h> 54 55 typedef struct { 56 __u16 e_tag; 57 __u16 e_perm; 58 __u32 e_id; 59 __u32 e_stat; 60 } ext_acl_xattr_entry; 61 62 typedef struct { 63 __u32 a_count; 64 ext_acl_xattr_entry a_entries[0]; 65 } ext_acl_xattr_header; 66 67 #define CFS_ACL_XATTR_SIZE(count, prefix) \ 68 (sizeof(prefix ## _header) + (count) * sizeof(prefix ## _entry)) 69 70 #define CFS_ACL_XATTR_COUNT(size, prefix) \ 71 (((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry)) 72 73 extern ext_acl_xattr_header * 74 lustre_posix_acl_xattr_2ext(posix_acl_xattr_header *header, int size); 75 extern int 76 lustre_posix_acl_xattr_filter(posix_acl_xattr_header *header, size_t size, 77 posix_acl_xattr_header **out); 78 extern void 79 lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size); 80 extern void 81 lustre_ext_acl_xattr_free(ext_acl_xattr_header *header); 82 extern ext_acl_xattr_header * 83 lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size, 84 ext_acl_xattr_header *ext_header); 85 86 #endif /* CONFIG_FS_POSIX_ACL */ 87 88 /** @} eacl */ 89 90 #endif 91