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jffs2: constify xattr_handler
[net-next-2.6.git] / fs / jffs2 / acl.h
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1/*
2 * JFFS2 -- Journalling Flash File System, Version 2.
aa98d7cf 3 *
c00c310e 4 * Copyright © 2006 NEC Corporation
aa98d7cf 5 *
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6 * Created by KaiGai Kohei <kaigai@ak.jp.nec.com>
7 *
8 * For licensing information, see the file 'LICENCE' in this directory.
9 *
10 */
c00c310e 11
de1f72fa 12struct jffs2_acl_entry {
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13 jint16_t e_tag;
14 jint16_t e_perm;
15 jint32_t e_id;
de1f72fa 16};
aa98d7cf 17
de1f72fa 18struct jffs2_acl_entry_short {
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19 jint16_t e_tag;
20 jint16_t e_perm;
de1f72fa 21};
aa98d7cf 22
de1f72fa 23struct jffs2_acl_header {
aa98d7cf 24 jint32_t a_version;
de1f72fa 25};
aa98d7cf 26
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27#ifdef CONFIG_JFFS2_FS_POSIX_ACL
28
18f4c644 29extern int jffs2_check_acl(struct inode *, int);
aa98d7cf 30extern int jffs2_acl_chmod(struct inode *);
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31extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
32extern int jffs2_init_acl_post(struct inode *);
aa98d7cf 33
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34extern const struct xattr_handler jffs2_acl_access_xattr_handler;
35extern const struct xattr_handler jffs2_acl_default_xattr_handler;
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36
37#else
38
18f4c644 39#define jffs2_check_acl (NULL)
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40#define jffs2_acl_chmod(inode) (0)
41#define jffs2_init_acl_pre(dir_i,inode,mode) (0)
42#define jffs2_init_acl_post(inode) (0)
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43
44#endif /* CONFIG_JFFS2_FS_POSIX_ACL */