man2/nfsservctl.2

   1 .\" Hey Emacs! This file is -*- nroff -*- source.
   2 .\"
   3 .\" This text is in the public domain.
   4 .\"
   5 .TH NFSSERVCTL 2 1997-07-16 "Linux 2.1.32" "Linux Programmer's Manual"
   6 .SH NAME
   7 nfsservctl \- syscall interface to kernel nfs daemon
   8 .SH SYNOPSIS
   9 .B #include <linux/nfsd/syscall.h>
  10 .sp
  11 .BI "nfsservctl(int " cmd ", struct nfsctl_arg *" argp \
  12 ", union nfsctl_res *" resp );
  13 .SH DESCRIPTION
  14 .nf
  15 /*
  16  * These are the commands understood by nfsctl().
  17  */
  18 #define NFSCTL_SVC          0    /* This is a server process. */
  19 #define NFSCTL_ADDCLIENT    1    /* Add an NFS client. */
  20 #define NFSCTL_DELCLIENT    2    /* Remove an NFS client. */
  21 #define NFSCTL_EXPORT       3    /* export a file system. */
  22 #define NFSCTL_UNEXPORT     4    /* unexport a file system. */
  23 #define NFSCTL_UGIDUPDATE   5    /* update a client's UID/GID map. */
  24 #define NFSCTL_GETFH        6    /* get an fh (used by mountd) */
  25
  26 struct nfsctl_arg {
  27     int                       ca_version;     /* safeguard */
  28     union {
  29         struct nfsctl_svc     u_svc;
  30         struct nfsctl_client  u_client;
  31         struct nfsctl_export  u_export;
  32         struct nfsctl_uidmap  u_umap;
  33         struct nfsctl_fhparm  u_getfh;
  34         unsigned int          u_debug;
  35     } u;
  36 }
  37
  38 union nfsctl_res {
  39         struct knfs_fh          cr_getfh;
  40         unsigned int            cr_debug;
  41 };
  42 .fi
  43 .SH "RETURN VALUE"
  44 On success, zero is returned.
  45 On error, \-1 is returned, and
  46 .I errno
  47 is set appropriately.
  48 .SH "CONFORMING TO"
  49 This call is Linux specific.