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-.\" %%%LICENSE_START(PUBLIC_DOMAIN)
-.\" This text is in the public domain.
-.\" %%%LICENSE_END
-.\"
-.TH nfsservctl 2 2023-10-31 "Linux man-pages 6.7"
-.SH NAME
-nfsservctl \- syscall interface to kernel nfs daemon
-.SH LIBRARY
-Standard C library
-.RI ( libc ", " \-lc )
-.SH SYNOPSIS
-.nf
-.B #include <linux/nfsd/syscall.h>
-.P
-.BI "long nfsservctl(int " cmd ", struct nfsctl_arg *" argp ,
-.BI " union nfsctl_res *" resp );
-.fi
-.SH DESCRIPTION
-.IR Note :
-Since Linux 3.1, this system call no longer exists.
-It has been replaced by a set of files in the
-.I nfsd
-filesystem; see
-.BR nfsd (7).
-.P
-.in +4n
-.EX
-/*
- * These are the commands understood by nfsctl().
- */
-#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\[aq]s UID/GID map
- (only in Linux 2.4.x and earlier). */
-#define NFSCTL_GETFH 6 /* Get a file handle (used by mountd(8))
- (only in Linux 2.4.x and earlier). */
-\&
-struct nfsctl_arg {
- int ca_version; /* safeguard */
- union {
- struct nfsctl_svc u_svc;
- struct nfsctl_client u_client;
- struct nfsctl_export u_export;
- struct nfsctl_uidmap u_umap;
- struct nfsctl_fhparm u_getfh;
- unsigned int u_debug;
- } u;
-}
-\&
-union nfsctl_res {
- struct knfs_fh cr_getfh;
- unsigned int cr_debug;
-};
-.EE
-.in
-.SH RETURN VALUE
-On success, zero is returned.
-On error, \-1 is returned, and
-.I errno
-is set to indicate the error.
-.SH STANDARDS
-Linux.
-.SH HISTORY
-Removed in Linux 3.1.
-Removed in glibc 2.28.
-.SH SEE ALSO
-.BR nfsd (7)