mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-25 13:43:55 +08:00
5c0a32fc2c
This patch define a new autofs packet for autofs v5 and updates the waitq.c functions to handle the additional packet type. Signed-off-by: Ian Kent <raven@themaw.net> Cc: Al Viro <viro@ftp.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
99 lines
2.6 KiB
C
99 lines
2.6 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 5
|
|
#define AUTOFS_MIN_PROTO_VERSION 3
|
|
#define AUTOFS_MAX_PROTO_VERSION 5
|
|
|
|
#define AUTOFS_PROTO_SUBVERSION 0
|
|
|
|
/* Mask for expire behaviour */
|
|
#define AUTOFS_EXP_IMMEDIATE 1
|
|
#define AUTOFS_EXP_LEAVES 2
|
|
|
|
/* Daemon notification packet types */
|
|
enum autofs_notify {
|
|
NFY_NONE,
|
|
NFY_MOUNT,
|
|
NFY_EXPIRE
|
|
};
|
|
|
|
/* Kernel protocol version 4 packet types */
|
|
|
|
/* Expire entry (umount request) */
|
|
#define autofs_ptype_expire_multi 2
|
|
|
|
/* Kernel protocol version 5 packet types */
|
|
|
|
/* Indirect mount missing and expire requests. */
|
|
#define autofs_ptype_missing_indirect 3
|
|
#define autofs_ptype_expire_indirect 4
|
|
|
|
/* Direct mount missing and expire requests */
|
|
#define autofs_ptype_missing_direct 5
|
|
#define autofs_ptype_expire_direct 6
|
|
|
|
/* 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];
|
|
};
|
|
|
|
/* autofs v5 common packet struct */
|
|
struct autofs_v5_packet {
|
|
struct autofs_packet_hdr hdr;
|
|
autofs_wqt_t wait_queue_token;
|
|
__u32 dev;
|
|
__u64 ino;
|
|
__u32 uid;
|
|
__u32 gid;
|
|
__u32 pid;
|
|
__u32 tgid;
|
|
__u32 len;
|
|
char name[NAME_MAX+1];
|
|
};
|
|
|
|
typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
|
|
typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
|
|
typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
|
|
typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
|
|
|
|
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;
|
|
struct autofs_v5_packet v5_packet;
|
|
};
|
|
|
|
#define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int)
|
|
#define AUTOFS_IOC_EXPIRE_INDIRECT AUTOFS_IOC_EXPIRE_MULTI
|
|
#define AUTOFS_IOC_EXPIRE_DIRECT AUTOFS_IOC_EXPIRE_MULTI
|
|
#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 */
|