root/fs/jffs2/acl.h

INCLUDED FROM

/*
 * JFFS2 -- Journalling Flash File System, Version 2.
 *
 * Copyright © 2006  NEC Corporation
 *
 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
 *
 * For licensing information, see the file 'LICENCE' in this directory.
 *
 */

struct jffs2_acl_entry {
        jint16_t        e_tag;
        jint16_t        e_perm;
        jint32_t        e_id;
};

struct jffs2_acl_entry_short {
        jint16_t        e_tag;
        jint16_t        e_perm;
};

struct jffs2_acl_header {
        jint32_t        a_version;
};

#ifdef CONFIG_JFFS2_FS_POSIX_ACL

#define JFFS2_ACL_NOT_CACHED ((void *)-1)

extern int jffs2_permission(struct inode *, int);
extern int jffs2_acl_chmod(struct inode *);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
extern int jffs2_init_acl_post(struct inode *);
extern void jffs2_clear_acl(struct jffs2_inode_info *);

extern struct xattr_handler jffs2_acl_access_xattr_handler;
extern struct xattr_handler jffs2_acl_default_xattr_handler;

#else

#define jffs2_permission                        (NULL)
#define jffs2_acl_chmod(inode)                  (0)
#define jffs2_init_acl_pre(dir_i,inode,mode)    (0)
#define jffs2_init_acl_post(inode)              (0)
#define jffs2_clear_acl(f)

#endif  /* CONFIG_JFFS2_FS_POSIX_ACL */