1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Copyright (c) 2001-2005 Silicon Graphics, Inc.
 4 * All Rights Reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
 5 */
 6#ifndef __XFS_ACL_H__
 7#define __XFS_ACL_H__
 8
 9struct inode;
10struct posix_acl;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
11
12#ifdef CONFIG_XFS_POSIX_ACL
13extern struct posix_acl *xfs_get_acl(struct inode *inode, int type, bool rcu);
14extern int xfs_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
15		       struct posix_acl *acl, int type);
16extern int __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
17void xfs_forget_acl(struct inode *inode, const char *name);
 
 
 
18#else
19#define xfs_get_acl NULL
20#define xfs_set_acl NULL
21static inline int __xfs_set_acl(struct inode *inode, struct posix_acl *acl,
22				int type)
23{
24	return 0;
25}
26static inline void xfs_forget_acl(struct inode *inode, const char *name)
27{
 
28}
 
 
 
 
29#endif /* CONFIG_XFS_POSIX_ACL */
30
31#endif	/* __XFS_ACL_H__ */

 
 1/*
 2 * Copyright (c) 2001-2005 Silicon Graphics, Inc.
 3 * All Rights Reserved.
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License as
 7 * published by the Free Software Foundation.
 8 *
 9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
17 */
18#ifndef __XFS_ACL_H__
19#define __XFS_ACL_H__
20
21struct inode;
22struct posix_acl;
23struct xfs_inode;
24
25#define XFS_ACL_MAX_ENTRIES 25
26#define XFS_ACL_NOT_PRESENT (-1)
27
28/* On-disk XFS access control list structure */
29struct xfs_acl {
30	__be32		acl_cnt;
31	struct xfs_acl_entry {
32		__be32	ae_tag;
33		__be32	ae_id;
34		__be16	ae_perm;
35	} acl_entry[XFS_ACL_MAX_ENTRIES];
36};
37
38/* On-disk XFS extended attribute names */
39#define SGI_ACL_FILE		(unsigned char *)"SGI_ACL_FILE"
40#define SGI_ACL_DEFAULT		(unsigned char *)"SGI_ACL_DEFAULT"
41#define SGI_ACL_FILE_SIZE	(sizeof(SGI_ACL_FILE)-1)
42#define SGI_ACL_DEFAULT_SIZE	(sizeof(SGI_ACL_DEFAULT)-1)
43
44#ifdef CONFIG_XFS_POSIX_ACL
45extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
46extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
47extern int xfs_acl_chmod(struct inode *inode);
48extern int posix_acl_access_exists(struct inode *inode);
49extern int posix_acl_default_exists(struct inode *inode);
50
51extern const struct xattr_handler xfs_xattr_acl_access_handler;
52extern const struct xattr_handler xfs_xattr_acl_default_handler;
53#else
54static inline struct posix_acl *xfs_get_acl(struct inode *inode, int type)
 
 
 
 
 
 
 
55{
56	return NULL;
57}
58# define xfs_inherit_acl(inode, default_acl)		0
59# define xfs_acl_chmod(inode)				0
60# define posix_acl_access_exists(inode)			0
61# define posix_acl_default_exists(inode)		0
62#endif /* CONFIG_XFS_POSIX_ACL */
 
63#endif	/* __XFS_ACL_H__ */