/*
   * File: linux/nfsacl.h
   *
   * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
   */
  #ifndef __LINUX_NFSACL_H
  #define __LINUX_NFSACL_H

  
  #include <linux/posix_acl.h>

  #include <linux/sunrpc/xdr.h>

  #include <uapi/linux/nfsacl.h>

  
  /* Maximum number of ACL entries over NFS */
  #define NFS_ACL_MAX_ENTRIES	1024
  
  #define NFSACL_MAXWORDS		(2*(2+3*NFS_ACL_MAX_ENTRIES))
  #define NFSACL_MAXPAGES		((2*(8+12*NFS_ACL_MAX_ENTRIES) + PAGE_SIZE-1) \
  				 >> PAGE_SHIFT)

  #define NFS_ACL_MAX_ENTRIES_INLINE	(5)
  #define NFS_ACL_INLINE_BUFSIZE	((2*(2+3*NFS_ACL_MAX_ENTRIES_INLINE)) << 2)

  static inline unsigned int
  nfsacl_size(struct posix_acl *acl_access, struct posix_acl *acl_default)
  {
  	unsigned int w = 16;
  	w += max(acl_access ? (int)acl_access->a_count : 3, 4) * 12;
  	if (acl_default)
  		w += max((int)acl_default->a_count, 4) * 12;
  	return w;
  }

  extern int

  nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
  	      struct posix_acl *acl, int encode_entries, int typeflag);

  extern int

  nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
  	      struct posix_acl **pacl);

  #endif  /* __LINUX_NFSACL_H */