1NFSSERVCTL(2)              Linux Programmer's Manual             NFSSERVCTL(2)
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NAME

6       nfsservctl - syscall interface to kernel nfs daemon
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SYNOPSIS

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

14       /*
15        * These are the commands understood by nfsctl().
16        */
17       #define NFSCTL_SVC              0       /* This is a server process. */
18       #define NFSCTL_ADDCLIENT        1       /* Add an NFS client. */
19       #define NFSCTL_DELCLIENT        2       /* Remove an NFS client. */
20       #define NFSCTL_EXPORT           3       /* export a file system. */
21       #define NFSCTL_UNEXPORT         4       /* unexport a file system. */
22       #define NFSCTL_UGIDUPDATE       5       /* update a client's UID/GID map. */
23       #define NFSCTL_GETFH            6       /* get an fh (used by mountd) */
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25       struct nfsctl_arg {
26               int                     ca_version;     /* safeguard */
27               union {
28                       struct nfsctl_svc       u_svc;
29                       struct nfsctl_client    u_client;
30                       struct nfsctl_export    u_export;
31                       struct nfsctl_uidmap    u_umap;
32                       struct nfsctl_fhparm    u_getfh;
33                       unsigned int            u_debug;
34               } u;
35       }
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37       union nfsctl_res {
38               struct knfs_fh          cr_getfh;
39               unsigned int            cr_debug;
40       };
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RETURN VALUE

43       On  success,  zero is returned.  On error, -1 is returned, and errno is
44       set appropriately.
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CONFORMING TO

47       This call is Linux specific.
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51Linux 2.1.32                      1997-07-16                     NFSSERVCTL(2)