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nfs_mount4.h

/*
 * We want to be able to compile mount on old kernels in such a way
 * that the binary will work well on more recent kernels.
 * Thus, if necessary we teach nfsmount.c the structure of new fields
 * that will come later.
 *
 * Moreover, the new kernel includes conflict with glibc includes
 * so it is easiest to ignore the kernel altogether (at compile time).
 */

#define NFS_MOUNT_VERSION     4

struct nfs2_fh {
        char                    data[32];
};
struct nfs3_fh {
        unsigned short          size;
        unsigned char           data[64];
};

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[256];          /* 1 */
      int         namlen;                 /* 2 */
      unsigned int      bsize;                  /* 3 */
      struct nfs3_fh    root;             /* 4 */
};

/* bits in the flags field */

#define NFS_MOUNT_SOFT        0x0001      /* 1 */
#define NFS_MOUNT_INTR        0x0002      /* 1 */
#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 */


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