1 #ifndef _LINUX_NFS4_MOUNT_H
2 #define _LINUX_NFS4_MOUNT_H
5 * linux/include/linux/nfs4_mount.h
7 * Copyright (C) 2002 Trond Myklebust
9 * structure passed from user-space to kernel-space during an nfsv4 mount
13 * WARNING! Do not delete or change the order of these fields. If
14 * a new field is required then add it to the end. The version field
15 * tracks which fields are present. This will ensure some measure of
16 * mount-to-kernel version compatibility. Some of these aren't used yet
17 * but here they are anyway.
19 #define NFS4_MOUNT_VERSION 1
23 const char __user
* data
;
26 struct nfs4_mount_data
{
38 /* see the definition of 'struct clientaddr4' in RFC3010 */
39 struct nfs_string client_addr
; /* 1 */
42 struct nfs_string mnt_path
; /* 1 */
45 struct nfs_string hostname
; /* 1 */
46 /* Server IP address */
47 unsigned int host_addrlen
; /* 1 */
48 struct sockaddr __user
* host_addr
; /* 1 */
50 /* Transport protocol to use */
53 /* Pseudo-flavours to use for authentication. See RFC2623 */
54 int auth_flavourlen
; /* 1 */
55 int __user
*auth_flavours
; /* 1 */
58 /* bits in the flags field */
59 /* Note: the fields that correspond to existing NFSv2/v3 mount options
60 * should mirror the values from include/linux/nfs_mount.h
63 #define NFS4_MOUNT_SOFT 0x0001 /* 1 */
64 #define NFS4_MOUNT_INTR 0x0002 /* 1 */
65 #define NFS4_MOUNT_NOCTO 0x0010 /* 1 */
66 #define NFS4_MOUNT_NOAC 0x0020 /* 1 */
67 #define NFS4_MOUNT_STRICTLOCK 0x1000 /* 1 */
68 #define NFS4_MOUNT_UNSHARED 0x8000 /* 1 */
69 #define NFS4_MOUNT_FLAGMASK 0x9033
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