Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
[linux-2.6.git] / include / linux / nfsacl.h
blob5e69e67b31ab28bd5cb1bfc451687a36597f6b1f
1 /*
2 * File: linux/nfsacl.h
4 * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
5 */
6 #ifndef __LINUX_NFSACL_H
7 #define __LINUX_NFSACL_H
10 #include <linux/posix_acl.h>
11 #include <linux/sunrpc/xdr.h>
12 #include <uapi/linux/nfsacl.h>
14 /* Maximum number of ACL entries over NFS */
15 #define NFS_ACL_MAX_ENTRIES 1024
17 #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES))
18 #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
19 >> PAGE_SHIFT)
21 #define NFS_ACL_MAX_ENTRIES_INLINE (5)
22 #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)
24 static inline unsigned int
25 nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
27 unsigned int w = 16;
28 w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
29 if (acl_default)
30 w += max((int)acl_default->a_count, 4) * 12;
31 return w;
34 extern int
35 nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
36 struct posix_acl *acl, int encode_entries, int typeflag);
37 extern int
38 nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
39 struct posix_acl **pacl);
41 #endif /* __LINUX_NFSACL_H */