/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
 * vim:expandtab:shiftwidth=8:tabstop=8:
 *
 *   This file is part of Lustre, http://www.lustre.org
 *
 * MDS data structures.
 * See also lustre_idl.h for wire formats of requests.
 */

#ifndef _LUSTRE_ACL_H
#define _LUSTRE_ACL_H

#ifdef __KERNEL__
# include <linux/fs.h>
# include <linux/dcache.h>
# ifdef CONFIG_FS_POSIX_ACL
# include <linux/xattr_acl.h>
# endif
#endif

/* ACL */
#ifdef CONFIG_FS_POSIX_ACL
# ifdef HAVE_XATTR_ACL
#  define MDS_XATTR_NAME_ACL_ACCESS XATTR_NAME_ACL_ACCESS
#  define mds_xattr_acl_size(entry) xattr_acl_size(entry)
# else /* HAVE_XATTR_ACL */
#  define MDS_XATTR_NAME_ACL_ACCESS POSIX_ACL_XATTR_ACCESS
#  define mds_xattr_acl_size(entry) posix_acl_xattr_size(entry)
# endif /* HAVE_XATTR_ACL */

# define LUSTRE_POSIX_ACL_MAX_ENTRIES   (32)

# ifdef __KERNEL__
# define LUSTRE_POSIX_ACL_MAX_SIZE              \
                (sizeof(xattr_acl_header) +     \
                LUSTRE_POSIX_ACL_MAX_ENTRIES *  \
                sizeof(xattr_acl_entry))
# else /* __KERNEL__ */
#  define LUSTRE_POSIX_ACL_MAX_SIZE      0
# endif /* __KERNEL__ */

#else /* CONFIG_FS_POSIX_ACL */
# define LUSTRE_POSIX_ACL_MAX_SIZE      0
#endif /* CONFIG_FS_POSIX_ACL */

#endif /* _LUSTRE_ACL_H */