4 (C) 2001 Andreas Gruenbacher, <a.gruenbacher@computer.org>
7 #include <linux/posix_acl_xattr.h>
9 #define EXT4_ACL_VERSION 0x0001
20 } ext4_acl_entry_short
;
26 static inline size_t ext4_acl_size(int count
)
29 return sizeof(ext4_acl_header
) +
30 count
* sizeof(ext4_acl_entry_short
);
32 return sizeof(ext4_acl_header
) +
33 4 * sizeof(ext4_acl_entry_short
) +
34 (count
- 4) * sizeof(ext4_acl_entry
);
38 static inline int ext4_acl_count(size_t size
)
41 size
-= sizeof(ext4_acl_header
);
42 s
= size
- 4 * sizeof(ext4_acl_entry_short
);
44 if (size
% sizeof(ext4_acl_entry_short
))
46 return size
/ sizeof(ext4_acl_entry_short
);
48 if (s
% sizeof(ext4_acl_entry
))
50 return s
/ sizeof(ext4_acl_entry
) + 4;
54 #ifdef CONFIG_EXT4_FS_POSIX_ACL
56 /* Value for inode->u.ext4_i.i_acl and inode->u.ext4_i.i_default_acl
57 if the ACL has not been cached */
58 #define EXT4_ACL_NOT_CACHED ((void *)-1)
61 extern int ext4_permission(struct inode
*, int);
62 extern int ext4_acl_chmod(struct inode
*);
63 extern int ext4_init_acl(handle_t
*, struct inode
*, struct inode
*);
65 #else /* CONFIG_EXT4_FS_POSIX_ACL */
66 #include <linux/sched.h>
67 #define ext4_permission NULL
70 ext4_acl_chmod(struct inode
*inode
)
76 ext4_init_acl(handle_t
*handle
, struct inode
*inode
, struct inode
*dir
)
80 #endif /* CONFIG_EXT4_FS_POSIX_ACL */
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