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| Current File : //usr/include/linux/nfs_mount.h |
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_NFS_MOUNT_H
#define _LINUX_NFS_MOUNT_H
/*
* linux/include/linux/nfs_mount.h
*
* Copyright (C) 1992 Rick Sladkey
*
* structure passed from user-space to kernel-space during an nfs mount
*/
#include <linux/in.h>
#include <linux/nfs.h>
#include <linux/nfs2.h>
#include <linux/nfs3.h>
/*
* WARNING! Do not delete or change the order of these fields. If
* a new field is required then add it to the end. The version field
* tracks which fields are present. This will ensure some measure of
* mount-to-kernel version compatibility. Some of these aren't used yet
* but here they are anyway.
*/
#define NFS_MOUNT_VERSION 6
#define NFS_MAX_CONTEXT_LEN 256
struct nfs_mount_data {
int version; /* 1 */
int fd; /* 1 */
struct nfs2_fh old_root; /* 1 */
int flags; /* 1 */
int rsize; /* 1 */
int wsize; /* 1 */
int timeo; /* 1 */
int retrans; /* 1 */
int acregmin; /* 1 */
int acregmax; /* 1 */
int acdirmin; /* 1 */
int acdirmax; /* 1 */
struct sockaddr_in addr; /* 1 */
char hostname[NFS_MAXNAMLEN + 1]; /* 1 */
int namlen; /* 2 */
unsigned int bsize; /* 3 */
struct nfs3_fh root; /* 4 */
int pseudoflavor; /* 5 */
char context[NFS_MAX_CONTEXT_LEN + 1]; /* 6 */
};
/* bits in the flags field visible to user space */
#define NFS_MOUNT_SOFT 0x0001 /* 1 */
#define NFS_MOUNT_INTR 0x0002 /* 1 */ /* now unused, but ABI */
#define NFS_MOUNT_SECURE 0x0004 /* 1 */
#define NFS_MOUNT_POSIX 0x0008 /* 1 */
#define NFS_MOUNT_NOCTO 0x0010 /* 1 */
#define NFS_MOUNT_NOAC 0x0020 /* 1 */
#define NFS_MOUNT_TCP 0x0040 /* 2 */
#define NFS_MOUNT_VER3 0x0080 /* 3 */
#define NFS_MOUNT_KERBEROS 0x0100 /* 3 */
#define NFS_MOUNT_NONLM 0x0200 /* 3 */
#define NFS_MOUNT_BROKEN_SUID 0x0400 /* 4 */
#define NFS_MOUNT_NOACL 0x0800 /* 4 */
#define NFS_MOUNT_STRICTLOCK 0x1000 /* reserved for NFSv4 */
#define NFS_MOUNT_SECFLAVOUR 0x2000 /* 5 non-text parsed mount data only */
#define NFS_MOUNT_NORDIRPLUS 0x4000 /* 5 */
#define NFS_MOUNT_UNSHARED 0x8000 /* 5 */
#define NFS_MOUNT_FLAGMASK 0xFFFF
/* The following are for internal use only */
#define NFS_MOUNT_LOOKUP_CACHE_NONEG 0x10000
#define NFS_MOUNT_LOOKUP_CACHE_NONE 0x20000
#define NFS_MOUNT_NORESVPORT 0x40000
#define NFS_MOUNT_LEGACY_INTERFACE 0x80000
#define NFS_MOUNT_LOCAL_FLOCK 0x100000
#define NFS_MOUNT_LOCAL_FCNTL 0x200000
#endif