mirror of https://github.com/mkerrisk/man-pages
60 lines
1.8 KiB
Groff
60 lines
1.8 KiB
Groff
.\" %%%LICENSE_START(PUBLIC_DOMAIN)
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.\" This text is in the public domain.
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.\" %%%LICENSE_END
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.\"
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.\" FIXME . The description of nfsservctl() on this page
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.\" is woefully thin.
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.\"
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.TH NFSSERVCTL 2 2013-09-17 "Linux" "Linux Programmer's Manual"
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.SH NAME
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nfsservctl \- syscall interface to kernel nfs daemon
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.SH SYNOPSIS
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.nf
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.B #include <linux/nfsd/syscall.h>
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.sp
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.BI "long nfsservctl(int " cmd ", struct nfsctl_arg *" argp ,
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.BI " union nfsctl_res *" resp );
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.fi
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.SH DESCRIPTION
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.IR Note :
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Since Linux 3.1, this system call no longer exists.
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.nf
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/*
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* These are the commands understood by nfsctl().
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*/
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#define NFSCTL_SVC 0 /* This is a server process. */
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#define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */
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#define NFSCTL_DELCLIENT 2 /* Remove an NFS client. */
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#define NFSCTL_EXPORT 3 /* Export a filesystem. */
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#define NFSCTL_UNEXPORT 4 /* Unexport a filesystem. */
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#define NFSCTL_UGIDUPDATE 5 /* Update a client's UID/GID map
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(only in Linux 2.4.x and earlier). */
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#define NFSCTL_GETFH 6 /* Get a file handle (used by mountd)
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(only in Linux 2.4.x and earlier). */
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struct nfsctl_arg {
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int ca_version; /* safeguard */
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union {
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struct nfsctl_svc u_svc;
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struct nfsctl_client u_client;
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struct nfsctl_export u_export;
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struct nfsctl_uidmap u_umap;
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struct nfsctl_fhparm u_getfh;
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unsigned int u_debug;
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} u;
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}
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union nfsctl_res {
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struct knfs_fh cr_getfh;
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unsigned int cr_debug;
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};
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.fi
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.SH RETURN VALUE
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On success, zero is returned.
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On error, \-1 is returned, and
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.I errno
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is set appropriately.
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.SH CONFORMING TO
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This call is Linux-specific.
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