nfsservctl(2)

#include <linux/nfsd/syscall.h>

long nfsservctl(int \ncmd\n, struct nfsctl_arg *\nargp\n,\n
\n                union nfsctl_res *\nresp\n);

/*
\n
 * These are the commands understood by nfsctl().
\n
 */
#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
\n
                                (only in Linux 2.4.x and earlier). */
#define NFSCTL_GETFH      6  /* Get a file handle (used by mountd(8))
\n
                                (only in Linux 2.4.x and earlier). */
struct nfsctl_arg {
\n
    int                       ca_version;     /* safeguard */
\n
    union {
\n
        struct nfsctl_svc     u_svc;
\n
        struct nfsctl_client  u_client;
\n
        struct nfsctl_export  u_export;
\n
        struct nfsctl_uidmap  u_umap;
\n
        struct nfsctl_fhparm  u_getfh;
\n
        unsigned int          u_debug;
\n
    } u;
}
union nfsctl_res {
\n
        struct knfs_fh          cr_getfh;
\n
        unsigned int            cr_debug;
};