Subversion Repositories test_project

/*
 * File: linux/nfsacl.h
 *
 * (C) 2003 Andreas Gruenbacher <agruen@suse.de>
 */
#ifndef __LINUX_NFSACL_H
#define __LINUX_NFSACL_H
 
#define NFS_ACL_PROGRAM	100227
 
#define ACLPROC2_GETACL		1
#define ACLPROC2_SETACL		2
#define ACLPROC2_GETATTR	3
#define ACLPROC2_ACCESS		4
 
#define ACLPROC3_GETACL		1
#define ACLPROC3_SETACL		2
 
 
/* Flags for the getacl/setacl mode */
#define NFS_ACL			0x0001
#define NFS_ACLCNT		0x0002
#define NFS_DFACL		0x0004
#define NFS_DFACLCNT		0x0008
 
/* Flag for Default ACL entries */
#define NFS_ACL_DEFAULT		0x1000
 
#ifdef __KERNEL__
 
#include <linux/posix_acl.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)
 
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 unsigned int
nfsacl_encode(struct xdr_buf *buf, unsigned int base, struct inode *inode,
	      struct posix_acl *acl, int encode_entries, int typeflag);
extern unsigned int
nfsacl_decode(struct xdr_buf *buf, unsigned int base, unsigned int *aclcnt,
	      struct posix_acl **pacl);
 
#endif /* __KERNEL__ */
#endif  /* __LINUX_NFSACL_H */