]>
Commit | Line | Data |
---|---|---|
1 | /* SPDX-License-Identifier: GPL-2.0 */ | |
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 | ||
10 | ||
11 | #include <linux/posix_acl.h> | |
12 | #include <linux/sunrpc/xdr.h> | |
13 | #include <uapi/linux/nfsacl.h> | |
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 | ||
22 | #define NFS_ACL_MAX_ENTRIES_INLINE (5) | |
23 | #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2) | |
24 | ||
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 | ||
35 | extern int | |
36 | nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, | |
37 | struct posix_acl *acl, int encode_entries, int typeflag); | |
38 | extern int | |
39 | nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, | |
40 | struct posix_acl **pacl); | |
41 | ||
42 | #endif /* __LINUX_NFSACL_H */ |