1 /* SPDX-License-Identifier: GPL-2.0 */
2 #include <linux/init.h>
3 #include <linux/posix_acl.h>
5 #define REISERFS_ACL_VERSION 0x0001
16 } reiserfs_acl_entry_short;
20 } reiserfs_acl_header;
22 static inline size_t reiserfs_acl_size(int count)
25 return sizeof(reiserfs_acl_header) +
26 count * sizeof(reiserfs_acl_entry_short);
28 return sizeof(reiserfs_acl_header) +
29 4 * sizeof(reiserfs_acl_entry_short) +
30 (count - 4) * sizeof(reiserfs_acl_entry);
34 static inline int reiserfs_acl_count(size_t size)
37 size -= sizeof(reiserfs_acl_header);
38 s = size - 4 * sizeof(reiserfs_acl_entry_short);
40 if (size % sizeof(reiserfs_acl_entry_short))
42 return size / sizeof(reiserfs_acl_entry_short);
44 if (s % sizeof(reiserfs_acl_entry))
46 return s / sizeof(reiserfs_acl_entry) + 4;
50 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
51 struct posix_acl *reiserfs_get_acl(struct inode *inode, int type, bool rcu);
52 int reiserfs_set_acl(struct user_namespace *mnt_userns, struct inode *inode,
53 struct posix_acl *acl, int type);
54 int reiserfs_acl_chmod(struct inode *inode);
55 int reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
56 struct inode *dir, struct dentry *dentry,
58 int reiserfs_cache_default_acl(struct inode *dir);
62 #define reiserfs_cache_default_acl(inode) 0
63 #define reiserfs_get_acl NULL
64 #define reiserfs_set_acl NULL
66 static inline int reiserfs_acl_chmod(struct inode *inode)
72 reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
73 const struct inode *dir, struct dentry *dentry,