Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 2 | * Copyright (c) 2001-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * published by the Free Software Foundation. |
| 8 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 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. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 13 | * |
Nathan Scott | 7b71876 | 2005-11-02 14:58:39 +1100 | [diff] [blame] | 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 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
| 18 | #ifndef __XFS_ACL_H__ |
| 19 | #define __XFS_ACL_H__ |
| 20 | |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 21 | struct inode; |
| 22 | struct posix_acl; |
| 23 | struct xfs_inode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | |
Felix Blyakher | 1aacc06 | 2009-03-31 00:23:37 -0500 | [diff] [blame] | 25 | #define XFS_ACL_MAX_ENTRIES 25 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | #define XFS_ACL_NOT_PRESENT (-1) |
| 27 | |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 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 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | |
| 38 | /* On-disk XFS extended attribute names */ |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 39 | #define SGI_ACL_FILE "SGI_ACL_FILE" |
| 40 | #define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | #define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1) |
| 42 | #define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1) |
| 43 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | #ifdef CONFIG_XFS_POSIX_ACL |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 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); |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 49 | extern int posix_acl_access_exists(struct inode *inode); |
| 50 | extern int posix_acl_default_exists(struct inode *inode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 52 | extern struct xattr_handler xfs_xattr_system_handler; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | #else |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 54 | # define xfs_check_acl NULL |
| 55 | # define xfs_get_acl(inode, type) NULL |
| 56 | # define xfs_inherit_acl(inode, default_acl) 0 |
| 57 | # define xfs_acl_chmod(inode) 0 |
Christoph Hellwig | ef14f0c | 2009-06-10 17:07:47 +0200 | [diff] [blame] | 58 | # define posix_acl_access_exists(inode) 0 |
| 59 | # define posix_acl_default_exists(inode) 0 |
| 60 | #endif /* CONFIG_XFS_POSIX_ACL */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #endif /* __XFS_ACL_H__ */ |