projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 */ |