xref: /OK3568_Linux_fs/kernel/fs/jffs2/acl.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * JFFS2 -- Journalling Flash File System, Version 2.
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * Copyright © 2006  NEC Corporation
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7*4882a593Smuzhiyun  *
8*4882a593Smuzhiyun  * For licensing information, see the file 'LICENCE' in this directory.
9*4882a593Smuzhiyun  *
10*4882a593Smuzhiyun  */
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct jffs2_acl_entry {
13*4882a593Smuzhiyun 	jint16_t	e_tag;
14*4882a593Smuzhiyun 	jint16_t	e_perm;
15*4882a593Smuzhiyun 	jint32_t	e_id;
16*4882a593Smuzhiyun };
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun struct jffs2_acl_entry_short {
19*4882a593Smuzhiyun 	jint16_t	e_tag;
20*4882a593Smuzhiyun 	jint16_t	e_perm;
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun struct jffs2_acl_header {
24*4882a593Smuzhiyun 	jint32_t	a_version;
25*4882a593Smuzhiyun 	struct jffs2_acl_entry	a_entries[];
26*4882a593Smuzhiyun };
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #ifdef CONFIG_JFFS2_FS_POSIX_ACL
29*4882a593Smuzhiyun 
30*4882a593Smuzhiyun struct posix_acl *jffs2_get_acl(struct inode *inode, int type);
31*4882a593Smuzhiyun int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type);
32*4882a593Smuzhiyun extern int jffs2_init_acl_pre(struct inode *, struct inode *, umode_t *);
33*4882a593Smuzhiyun extern int jffs2_init_acl_post(struct inode *);
34*4882a593Smuzhiyun 
35*4882a593Smuzhiyun #else
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun #define jffs2_get_acl				(NULL)
38*4882a593Smuzhiyun #define jffs2_set_acl				(NULL)
39*4882a593Smuzhiyun #define jffs2_init_acl_pre(dir_i,inode,mode)	(0)
40*4882a593Smuzhiyun #define jffs2_init_acl_post(inode)		(0)
41*4882a593Smuzhiyun 
42*4882a593Smuzhiyun #endif	/* CONFIG_JFFS2_FS_POSIX_ACL */
43