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/*
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* Copyright ( c ) 2001 - 2005 Silicon Graphics , Inc .
* All Rights Reserved .
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*
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* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation .
*
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* 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 .
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*
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* 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
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*/
# ifndef __XFS_ACL_H__
# define __XFS_ACL_H__
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struct inode ;
struct posix_acl ;
struct xfs_inode ;
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# define XFS_ACL_MAX_ENTRIES 25
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# define XFS_ACL_NOT_PRESENT (-1)
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/* 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 ] ;
} ;
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/* On-disk XFS extended attribute names */
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# define SGI_ACL_FILE "SGI_ACL_FILE"
# define SGI_ACL_DEFAULT "SGI_ACL_DEFAULT"
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# 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
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extern int xfs_check_acl ( struct inode * inode , int mask ) ;
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 void xfs_inode_init_acls ( struct xfs_inode * ip ) ;
extern void xfs_inode_clear_acls ( struct xfs_inode * ip ) ;
extern int posix_acl_access_exists ( struct inode * inode ) ;
extern int posix_acl_default_exists ( struct inode * inode ) ;
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extern struct xattr_handler xfs_xattr_system_handler ;
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# else
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# 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 xfs_inode_init_acls(ip)
# define xfs_inode_clear_acls(ip)
# define posix_acl_access_exists(inode) 0
# define posix_acl_default_exists(inode) 0
# endif /* CONFIG_XFS_POSIX_ACL */
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# endif /* __XFS_ACL_H__ */