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NFSSERVCTL(2)              Linux Programmer's Manual             NFSSERVCTL(2)



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 3.22 of the Linux man-pages project.  A description of the project, and informa-
       tion about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.



Linux                             1997-07-16                     NFSSERVCTL(2)