git://bbs.cooldavid.org / net-next-2.6.git / blame
| 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> | |
| d7031582 | 32 | #include <linux/sunrpc/xdr.h> |
| a257cdd0 AG |
33 | |
| 34 | /* Maximum number of ACL entries over NFS */ | |
| 35 | #define NFS_ACL_MAX_ENTRIES 1024 | |
| 36 | ||
| 37 | #define NFSACL_MAXWORDS (2*(2+3*NFS_ACL_MAX_ENTRIES)) | |
| 38 | #define NFSACL_MAXPAGES ((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \ | |
| 39 | >> PAGE_SHIFT) | |
| 40 | ||
| ae46141f TM |
41 | #define NFS_ACL_MAX_ENTRIES_INLINE (5) |
| 42 | #define NFS_ACL_INLINE_BUFSIZE ((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2) | |
| 43 | ||
| a257cdd0 AG |
44 | static inline unsigned int |
| 45 | nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default) | |
| 46 | { | |
| 47 | unsigned int w = 16; | |
| 48 | w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12; | |
| 49 | if (acl_default) | |
| 50 | w += max((int)acl_default->a_count, 4) * 12; | |
| 51 | return w; | |
| 52 | } | |
| 53 | ||
| 54 | extern unsigned int | |
| 55 | nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode, | |
| 56 | struct posix_acl *acl, int encode_entries, int typeflag); | |
| 57 | extern unsigned int | |
| 58 | nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt, | |
| 59 | struct posix_acl **pacl); | |
| 60 | ||
| 61 | #endif /* __KERNEL__ */ | |
| 62 | #endif /* __LINUX_NFSACL_H */ |