man-pages/man2/nfsservctl.2.html
2021-03-31 01:06:50 +01:00

119 lines
4.5 KiB
HTML

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<HTML><HEAD><TITLE>Man page of NFSSERVCTL</TITLE>
</HEAD><BODY>
<H1>NFSSERVCTL</H1>
Section: Linux Programmer's Manual (2)<BR>Updated: 2019-03-06<BR><A HREF="#index">Index</A>
<A HREF="/cgi-bin/man/man2html">Return to Main Contents</A><HR>
<A NAME="lbAB">&nbsp;</A>
<H2>NAME</H2>
nfsservctl - syscall interface to kernel nfs daemon
<A NAME="lbAC">&nbsp;</A>
<H2>SYNOPSIS</H2>
<PRE>
<B>#include &lt;<A HREF="file:///usr/include/linux/nfsd/syscall.h">linux/nfsd/syscall.h</A>&gt;</B>
<B>long nfsservctl(int </B><I>cmd</I><B>, struct nfsctl_arg *</B><I>argp</I><B>,</B>
<B> union nfsctl_res *</B><I>resp</I><B>);</B>
</PRE>
<A NAME="lbAD">&nbsp;</A>
<H2>DESCRIPTION</H2>
<I>Note</I>:
Since Linux 3.1, this system call no longer exists.
It has been replaced by a set of files in the
<I>nfsd</I>
filesystem; see
<B><A HREF="/cgi-bin/man/man2html?7+nfsd">nfsd</A></B>(7).
<P>
/*
<BR>&nbsp;*&nbsp;These&nbsp;are&nbsp;the&nbsp;commands&nbsp;understood&nbsp;by&nbsp;nfsctl().
<BR>&nbsp;*/
#define NFSCTL_SVC 0 /* This is a server process. */
#define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */
#define NFSCTL_DELCLIENT 2 /* Remove an NFS client. */
#define NFSCTL_EXPORT 3 /* Export a filesystem. */
#define NFSCTL_UNEXPORT 4 /* Unexport a filesystem. */
#define NFSCTL_UGIDUPDATE 5 /* Update a client's UID/GID map
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(only&nbsp;in&nbsp;Linux&nbsp;2.4.x&nbsp;and&nbsp;earlier).&nbsp;*/
#define NFSCTL_GETFH 6 /* Get a file handle (used by mountd)
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(only&nbsp;in&nbsp;Linux&nbsp;2.4.x&nbsp;and&nbsp;earlier).&nbsp;*/
<P>
struct nfsctl_arg {
<BR>&nbsp;&nbsp;&nbsp;&nbsp;int&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ca_version;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;/*&nbsp;safeguard&nbsp;*/
<BR>&nbsp;&nbsp;&nbsp;&nbsp;union&nbsp;{
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;nfsctl_svc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;u_svc;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;nfsctl_client&nbsp;&nbsp;u_client;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;nfsctl_export&nbsp;&nbsp;u_export;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;nfsctl_uidmap&nbsp;&nbsp;u_umap;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;nfsctl_fhparm&nbsp;&nbsp;u_getfh;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;unsigned&nbsp;int&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;u_debug;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;}&nbsp;u;
}
<P>
union nfsctl_res {
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;struct&nbsp;knfs_fh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cr_getfh;
<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;unsigned&nbsp;int&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cr_debug;
};
<A NAME="lbAE">&nbsp;</A>
<H2>RETURN VALUE</H2>
On success, zero is returned.
On error, -1 is returned, and
<I>errno</I>
is set appropriately.
<A NAME="lbAF">&nbsp;</A>
<H2>VERSIONS</H2>
This system call was removed from the Linux kernel in version 3.1.
Library support was removed from glibc in version 2.28.
<A NAME="lbAG">&nbsp;</A>
<H2>CONFORMING TO</H2>
This call is Linux-specific.
<A NAME="lbAH">&nbsp;</A>
<H2>COLOPHON</H2>
This page is part of release 5.05 of the Linux
<I>man-pages</I>
project.
A description of the project,
information about reporting bugs,
and the latest version of this page,
can be found at
<A HREF="https://www.kernel.org/doc/man-pages/.">https://www.kernel.org/doc/man-pages/.</A>
<P>
<HR>
<A NAME="index">&nbsp;</A><H2>Index</H2>
<DL>
<DT id="1"><A HREF="#lbAB">NAME</A><DD>
<DT id="2"><A HREF="#lbAC">SYNOPSIS</A><DD>
<DT id="3"><A HREF="#lbAD">DESCRIPTION</A><DD>
<DT id="4"><A HREF="#lbAE">RETURN VALUE</A><DD>
<DT id="5"><A HREF="#lbAF">VERSIONS</A><DD>
<DT id="6"><A HREF="#lbAG">CONFORMING TO</A><DD>
<DT id="7"><A HREF="#lbAH">COLOPHON</A><DD>
</DL>
<HR>
This document was created by
<A HREF="/cgi-bin/man/man2html">man2html</A>,
using the manual pages.<BR>
Time: 00:05:33 GMT, March 31, 2021
</BODY>
</HTML>