| /* |
| * Copyright (c) 2001-2005 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_ACL_H__ |
| #define __XFS_ACL_H__ |
| |
| struct inode; |
| struct posix_acl; |
| struct xfs_inode; |
| |
| #define XFS_ACL_MAX_ENTRIES 25 |
| #define XFS_ACL_NOT_PRESENT (-1) |
| |
| /* On-disk XFS access control list structure */ |
| struct xfs_acl { |
| __be32 acl_cnt; |
| struct xfs_acl_entry { |
| __be32 ae_tag; |
| __be32 ae_id; |
| __be16 ae_perm; |
| } acl_entry[XFS_ACL_MAX_ENTRIES]; |
| }; |
| |
| /* On-disk XFS extended attribute names */ |
| #define SGI_ACL_FILE (unsigned char *)"SGI_ACL_FILE" |
| #define SGI_ACL_DEFAULT (unsigned char *)"SGI_ACL_DEFAULT" |
| #define SGI_ACL_FILE_SIZE (sizeof(SGI_ACL_FILE)-1) |
| #define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1) |
| |
| #ifdef CONFIG_XFS_POSIX_ACL |
| extern int xfs_check_acl(struct inode *inode, int mask, unsigned int flags); |
| extern struct posix_acl *xfs_get_acl(struct inode *inode, int type); |
| extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl); |
| extern int xfs_acl_chmod(struct inode *inode); |
| extern int posix_acl_access_exists(struct inode *inode); |
| extern int posix_acl_default_exists(struct inode *inode); |
| |
| extern const struct xattr_handler xfs_xattr_acl_access_handler; |
| extern const struct xattr_handler xfs_xattr_acl_default_handler; |
| #else |
| # define xfs_check_acl NULL |
| # define xfs_get_acl(inode, type) NULL |
| # define xfs_inherit_acl(inode, default_acl) 0 |
| # define xfs_acl_chmod(inode) 0 |
| # define posix_acl_access_exists(inode) 0 |
| # define posix_acl_default_exists(inode) 0 |
| #endif /* CONFIG_XFS_POSIX_ACL */ |
| #endif /* __XFS_ACL_H__ */ |