OpenCloudOS-Kernel/include/linux/auto_fs4.h

58 lines
1.5 KiB
C

/* -*- c -*-
* linux/include/linux/auto_fs4.h
*
* Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
*
* This file is part of the Linux kernel and is made available under
* the terms of the GNU General Public License, version 2, or at your
* option, any later version, incorporated herein by reference.
*/
#ifndef _LINUX_AUTO_FS4_H
#define _LINUX_AUTO_FS4_H
/* Include common v3 definitions */
#include <linux/auto_fs.h>
/* autofs v4 definitions */
#undef AUTOFS_PROTO_VERSION
#undef AUTOFS_MIN_PROTO_VERSION
#undef AUTOFS_MAX_PROTO_VERSION
#define AUTOFS_PROTO_VERSION 4
#define AUTOFS_MIN_PROTO_VERSION 3
#define AUTOFS_MAX_PROTO_VERSION 4
#define AUTOFS_PROTO_SUBVERSION 5
/* Mask for expire behaviour */
#define AUTOFS_EXP_IMMEDIATE 1
#define AUTOFS_EXP_LEAVES 2
/* New message type */
#define autofs_ptype_expire_multi 2 /* Expire entry (umount request) */
/* v4 multi expire (via pipe) */
struct autofs_packet_expire_multi {
struct autofs_packet_hdr hdr;
autofs_wqt_t wait_queue_token;
int len;
char name[NAME_MAX+1];
};
union autofs_packet_union {
struct autofs_packet_hdr hdr;
struct autofs_packet_missing missing;
struct autofs_packet_expire expire;
struct autofs_packet_expire_multi expire_multi;
};
#define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int)
#define AUTOFS_IOC_PROTOSUBVER _IOR(0x93,0x67,int)
#define AUTOFS_IOC_ASKREGHOST _IOR(0x93,0x68,int)
#define AUTOFS_IOC_TOGGLEREGHOST _IOR(0x93,0x69,int)
#define AUTOFS_IOC_ASKUMOUNT _IOR(0x93,0x70,int)
#endif /* _LINUX_AUTO_FS4_H */