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include/linux/auto_fs4.h
2.83 KB
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/* -*- 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 |
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#define AUTOFS_PROTO_VERSION 5 |
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#define AUTOFS_MIN_PROTO_VERSION 3 |
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#define AUTOFS_MAX_PROTO_VERSION 5 |
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#define AUTOFS_PROTO_SUBVERSION 0 |
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/* Mask for expire behaviour */ #define AUTOFS_EXP_IMMEDIATE 1 #define AUTOFS_EXP_LEAVES 2 |
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/* 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 |
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/* 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]; }; |
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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; }; |
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/* 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; |
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union autofs_v5_packet_union { |
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struct autofs_packet_hdr hdr; |
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struct autofs_v5_packet v5_packet; |
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autofs_packet_missing_indirect_t missing_indirect; autofs_packet_expire_indirect_t expire_indirect; autofs_packet_missing_direct_t missing_direct; autofs_packet_expire_direct_t expire_direct; |
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}; #define AUTOFS_IOC_EXPIRE_MULTI _IOW(0x93,0x66,int) |
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#define AUTOFS_IOC_EXPIRE_INDIRECT AUTOFS_IOC_EXPIRE_MULTI #define AUTOFS_IOC_EXPIRE_DIRECT AUTOFS_IOC_EXPIRE_MULTI |
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#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 */ |