Commit | Line | Data |
---|---|---|
a257cdd0 AG |
1 | /* |
2 | * File: linux/nfsacl.h | |
3 | * | |
4 | * (C) 2003 Andreas Gruenbacher <agruen@suse.de> | |
5 | */ | |
6 | #ifndef __LINUX_NFSACL_H | |
7 | #define __LINUX_NFSACL_H | |
8 | ||
9 | #define NFS_ACL_PROGRAM 100227 | |
10 | ||
11 | #define ACLPROC2_GETACL 1 | |
12 | #define ACLPROC2_SETACL 2 | |
13 | #define ACLPROC2_GETATTR 3 | |
14 | #define ACLPROC2_ACCESS 4 | |
15 | ||
16 | #define ACLPROC3_GETACL 1 | |
17 | #define ACLPROC3_SETACL 2 | |
18 | ||
19 | ||
20 | /* Flags for the getacl/setacl mode */ | |
21 | #define NFS_ACL 0x0001 | |
22 | #define NFS_ACLCNT 0x0002 | |
23 | #define NFS_DFACL 0x0004 | |
24 | #define NFS_DFACLCNT 0x0008 | |
25 | ||
26 | /* Flag for Default ACL entries */ | |
27 | #define NFS_ACL_DEFAULT 0x1000 | |
28 | ||
29 | #ifdef __KERNEL__ | |
30 | ||
31 | #include <linux/posix_acl.h> | |
32 | ||
33 | /* Maximum number of ACL entries over NFS */ | |
34 | #define NFS_ACL_MAX_ENTRIES 1024 | |
35 | ||
36 | #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) | |
37 | #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ | |
38 | >> PAGE_SHIFT) | |
39 | ||
40 | static inline unsigned int | |
41 | nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) | |
42 | { | |
43 | unsigned int w = 16; | |
44 | w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; | |
45 | if (acl_default) | |
46 | w += max((int)acl_default->a_count, 4) * 12; | |
47 | return w; | |
48 | } | |
49 | ||
50 | extern unsigned int | |
51 | nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, | |
52 | struct posix_acl *acl, int encode_entries, int typeflag); | |
53 | extern unsigned int | |
54 | nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, | |
55 | struct posix_acl **pacl); | |
56 | ||
57 | #endif /* __KERNEL__ */ | |
58 | #endif /* __LINUX_NFSACL_H */ |