nfsservctl

NAME

nfsservctl - syscall interface to kernel nfs daemon

SYNOPSIS

 #include <linux/nfsd/syscall.h>
 
 long nfsservctl(int cmd, struct nfsctl_arg *argp,
                 union nfsctl_res *resp);
 

DESCRIPTION

 /*
  * 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 file system. */
 #define NFSCTL_UNEXPORT     4    /* unexport a file system. */
 #define NFSCTL_UGIDUPDATE   5    /* update a client's UID/GID map. */
 #define NFSCTL_GETFH        6    /* get an fh (used by mountd) */
 
 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;
 };
 

RETURN VALUE

On success, zero is returned. On error, -1 is returned, and errno is set appropriately.

CONFORMING TO

This call is Linux-specific.

COLOPHON

This page is part of release 3.21 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.