include/linux/nfs_mount.h

   1 #ifndef _LINUX_NFS_MOUNT_H
   2 #define _LINUX_NFS_MOUNT_H
   3
   4 /*
   5  *  linux/include/linux/nfs_mount.h
   6  *
   7  *  Copyright (C) 1992  Rick Sladkey
   8  *
   9  *  structure passed from user-space to kernel-space during an nfs mount
  10  */
  11 #include <linux/in.h>
  12 #include <linux/nfs.h>
  13
  14 /*
  15  * WARNING!  Do not delete or change the order of these fields.  If
  16  * a new field is required then add it to the end.  The version field
  17  * tracks which fields are present.  This will ensure some measure of
  18  * mount-to-kernel version compatibility.  Some of these aren't used yet
  19  * but here they are anyway.
  20  */
  21 #define NFS_MOUNT_VERSION       4
  22
  23 struct nfs_mount_data {
  24         int             version;                /* 1 */
  25         int             fd;                     /* 1 */
  26         struct nfs2_fh  old_root;               /* 1 */
  27         int             flags;                  /* 1 */
  28         int             rsize;                  /* 1 */
  29         int             wsize;                  /* 1 */
  30         int             timeo;                  /* 1 */
  31         int             retrans;                /* 1 */
  32         int             acregmin;               /* 1 */
  33         int             acregmax;               /* 1 */
  34         int             acdirmin;               /* 1 */
  35         int             acdirmax;               /* 1 */
  36         struct sockaddr_in addr;                /* 1 */
  37         char            hostname[256];          /* 1 */
  38         int             namlen;                 /* 2 */
  39         unsigned int    bsize;                  /* 3 */
  40         struct nfs_fh   root;                   /* 4 */
  41 };
  42
  43 /* bits in the flags field */
  44
  45 #define NFS_MOUNT_SOFT          0x0001  /* 1 */
  46 #define NFS_MOUNT_INTR          0x0002  /* 1 */
  47 #define NFS_MOUNT_SECURE        0x0004  /* 1 */
  48 #define NFS_MOUNT_POSIX         0x0008  /* 1 */
  49 #define NFS_MOUNT_NOCTO         0x0010  /* 1 */
  50 #define NFS_MOUNT_NOAC          0x0020  /* 1 */
  51 #define NFS_MOUNT_TCP           0x0040  /* 2 */
  52 #define NFS_MOUNT_VER3          0x0080  /* 3 */
  53 #define NFS_MOUNT_KERBEROS      0x0100  /* 3 */
  54 #define NFS_MOUNT_NONLM         0x0200  /* 3 */
  55 #define NFS_MOUNT_BROKEN_SUID   0x0400  /* 4 */
  56 #define NFS_MOUNT_FLAGMASK      0xFFFF
  57
  58 #endif