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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
a257cdd0 AG |
2 | /* |
3 | * File: linux/nfsacl.h | |
4 | * | |
5 | * (C) 2003 Andreas Gruenbacher <agruen@suse.de> | |
6 | */ | |
7 | #ifndef __LINUX_NFSACL_H | |
8 | #define __LINUX_NFSACL_H | |
9 | ||
a257cdd0 AG |
10 | |
11 | #include <linux/posix_acl.h> | |
d7031582 | 12 | #include <linux/sunrpc/xdr.h> |
607ca46e | 13 | #include <uapi/linux/nfsacl.h> |
a257cdd0 AG |
14 | |
15 | /* Maximum number of ACL entries over NFS */ | |
16 | #define NFS_ACL_MAX_ENTRIES 1024 | |
17 | ||
18 | #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) | |
19 | #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ | |
20 | >> PAGE_SHIFT) | |
21 | ||
ae46141f TM |
22 | #define NFS_ACL_MAX_ENTRIES_INLINE (5) |
23 | #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2) | |
24 | ||
a257cdd0 AG |
25 | static inline unsigned int |
26 | nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) | |
27 | { | |
28 | unsigned int w = 16; | |
29 | w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; | |
30 | if (acl_default) | |
31 | w += max((int)acl_default->a_count, 4) * 12; | |
32 | return w; | |
33 | } | |
34 | ||
731f3f48 | 35 | extern int |
a257cdd0 AG |
36 | nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, |
37 | struct posix_acl *acl, int encode_entries, int typeflag); | |
731f3f48 | 38 | extern int |
a257cdd0 AG |
39 | nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, |
40 | struct posix_acl **pacl); | |
41 | ||
a257cdd0 | 42 | #endif /* __LINUX_NFSACL_H */ |