xref: /openbmc/linux/fs/jffs2/acl.h (revision 367b8112)
1 /*
2  * JFFS2 -- Journalling Flash File System, Version 2.
3  *
4  * Copyright © 2006  NEC Corporation
5  *
6  * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7  *
8  * For licensing information, see the file 'LICENCE' in this directory.
9  *
10  */
11 
12 struct jffs2_acl_entry {
13 	jint16_t	e_tag;
14 	jint16_t	e_perm;
15 	jint32_t	e_id;
16 };
17 
18 struct jffs2_acl_entry_short {
19 	jint16_t	e_tag;
20 	jint16_t	e_perm;
21 };
22 
23 struct jffs2_acl_header {
24 	jint32_t	a_version;
25 };
26 
27 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
28 
29 #define JFFS2_ACL_NOT_CACHED ((void *)-1)
30 
31 extern int jffs2_permission(struct inode *, int);
32 extern int jffs2_acl_chmod(struct inode *);
33 extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
34 extern int jffs2_init_acl_post(struct inode *);
35 extern void jffs2_clear_acl(struct jffs2_inode_info *);
36 
37 extern struct xattr_handler jffs2_acl_access_xattr_handler;
38 extern struct xattr_handler jffs2_acl_default_xattr_handler;
39 
40 #else
41 
42 #define jffs2_permission			(NULL)
43 #define jffs2_acl_chmod(inode)			(0)
44 #define jffs2_init_acl_pre(dir_i,inode,mode)	(0)
45 #define jffs2_init_acl_post(inode)		(0)
46 #define jffs2_clear_acl(f)
47 
48 #endif	/* CONFIG_JFFS2_FS_POSIX_ACL */
49