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/*
* 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) 2011, 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_EACL_H
#define _LUSTRE_EACL_H
/** \defgroup eacl eacl
*
* @{
*/
#ifdef CONFIG_FS_POSIX_ACL
#include <linux/posix_acl_xattr.h>
typedef struct {
__u16 e_tag;
__u16 e_perm;
__u32 e_id;
__u32 e_stat;
} ext_acl_xattr_entry;
typedef struct {
__u32 a_count;
ext_acl_xattr_entry a_entries[0];
} ext_acl_xattr_header;
#define CFS_ACL_XATTR_SIZE(count, prefix) \
(sizeof(prefix ## _header) + (count) * sizeof(prefix ## _entry))
#define CFS_ACL_XATTR_COUNT(size, prefix) \
(((size) - sizeof(prefix ## _header)) / sizeof(prefix ## _entry))
extern ext_acl_xattr_header *
lustre_posix_acl_xattr_2ext(posix_acl_xattr_header *header, int size);
extern int
lustre_posix_acl_xattr_filter(posix_acl_xattr_header *header, size_t size,
posix_acl_xattr_header **out);
extern void
lustre_posix_acl_xattr_free(posix_acl_xattr_header *header, int size);
extern void
lustre_ext_acl_xattr_free(ext_acl_xattr_header *header);
extern int
lustre_acl_xattr_merge2posix(posix_acl_xattr_header *posix_header, int size,
ext_acl_xattr_header *ext_header,
posix_acl_xattr_header **out);
extern ext_acl_xattr_header *
lustre_acl_xattr_merge2ext(posix_acl_xattr_header *posix_header, int size,
ext_acl_xattr_header *ext_header);
#endif /* CONFIG_FS_POSIX_ACL */
/** @} eacl */
#endif
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