xref: /linux/fs/jffs2/acl.h (revision 8e3ed5440b0c305dcd1d5fa7419bd8066d22ef42)
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 	struct jffs2_acl_entry	a_entries[];
26 };
27 
28 #ifdef CONFIG_JFFS2_FS_POSIX_ACL
29 
30 struct posix_acl *jffs2_get_acl(struct inode *inode, int type, bool rcu);
31 int jffs2_set_acl(struct mnt_idmap *idmap, struct dentry *dentry,
32 		  struct posix_acl *acl, int type);
33 extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);
34 extern int jffs2_init_acl_post(struct inode *);
35 
36 #else
37 
38 #define jffs2_get_acl				(NULL)
39 #define jffs2_set_acl				(NULL)
40 #define jffs2_init_acl_pre(dir_i,inode,mode)	(0)
41 #define jffs2_init_acl_post(inode)		(0)
42 
43 #endif	/* CONFIG_JFFS2_FS_POSIX_ACL */
44