diff options
Diffstat (limited to 'drivers/staging/lustre/lustre/include/lustre_eacl.h')
-rw-r--r-- | drivers/staging/lustre/lustre/include/lustre_eacl.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/staging/lustre/lustre/include/lustre_eacl.h b/drivers/staging/lustre/lustre/include/lustre_eacl.h new file mode 100644 index 000000000000..b94f76a3301b --- /dev/null +++ b/drivers/staging/lustre/lustre/include/lustre_eacl.h @@ -0,0 +1,95 @@ +/* + * 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, int 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 |