git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7b718769 NS |
2 | * Copyright (c) 2001-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| 1da177e4 | 4 | * |
| 7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 1da177e4 LT |
7 | * published by the Free Software Foundation. |
| 8 | * | |
| 7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 1da177e4 | 13 | * |
| 7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 1da177e4 LT |
17 | */ |
| 18 | #ifndef __XFS_ACL_H__ | |
| 19 | #define __XFS_ACL_H__ | |
| 20 | ||
| ef14f0c1 CH |
21 | struct inode; |
| 22 | struct posix_acl; | |
| 23 | struct xfs_inode; | |
| 1da177e4 | 24 | |
| 1aacc064 | 25 | #define XFS_ACL_MAX_ENTRIES 25 |
| 1da177e4 LT |
26 | #define XFS_ACL_NOT_PRESENT (-1) |
| 27 | ||
| ef14f0c1 CH |
28 | /* On-disk XFS access control list structure */ |
| 29 | struct xfs_acl { | |
| 30 | __be32 acl_cnt; | |
| 31 | struct xfs_acl_entry { | |
| 32 | __be32 ae_tag; | |
| 33 | __be32 ae_id; | |
| 34 | __be16 ae_perm; | |
| 35 | } acl_entry[XFS_ACL_MAX_ENTRIES]; | |
| 36 | }; | |
| 1da177e4 LT |
37 | |
| 38 | /* On-disk XFS extended attribute names */ | |
| a9273ca5 DC |
39 | #define SGI_ACL_FILE (unsigned char *)"SGI_ACL_FILE" |
| 40 | #define SGI_ACL_DEFAULT (unsigned char *)"SGI_ACL_DEFAULT" | |
| 1da177e4 LT |
41 | #define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1) |
| 42 | #define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1) | |
| 43 | ||
| 1da177e4 | 44 | #ifdef CONFIG_XFS_POSIX_ACL |
| ef14f0c1 CH |
45 | extern int xfs_check_acl(struct inode *inode, int mask); |
| 46 | extern struct posix_acl *xfs_get_acl(struct inode *inode, int type); | |
| 47 | extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl); | |
| 48 | extern int xfs_acl_chmod(struct inode *inode); | |
| ef14f0c1 CH |
49 | extern int posix_acl_access_exists(struct inode *inode); |
| 50 | extern int posix_acl_default_exists(struct inode *inode); | |
| 1da177e4 | 51 | |
| 46e58764 SH |
52 | extern const struct xattr_handler xfs_xattr_acl_access_handler; |
| 53 | extern const struct xattr_handler xfs_xattr_acl_default_handler; | |
| 1da177e4 | 54 | #else |
| ef14f0c1 CH |
55 | # define xfs_check_acl NULL |
| 56 | # define xfs_get_acl(inode, type) NULL | |
| 57 | # define xfs_inherit_acl(inode, default_acl) 0 | |
| 58 | # define xfs_acl_chmod(inode) 0 | |
| ef14f0c1 CH |
59 | # define posix_acl_access_exists(inode) 0 |
| 60 | # define posix_acl_default_exists(inode) 0 | |
| 61 | #endif /* CONFIG_XFS_POSIX_ACL */ | |
| 1da177e4 | 62 | #endif /* __XFS_ACL_H__ */ |