NAME

nfsservctl - syscall interface to kernel nfs daemon

SYNOPSIS

#include <linux/nfsd/syscall.h>

nfsservctl(int cmd, struct nfsctl_arg *argp, union nfsctl_res *resp);

DESCRIPTION

/*

• These are the commands understood by nfsctl().
• /

1. define NFSCTL_SVC 0 /* This is a server process. */
2. define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */
3. define NFSCTL_DELCLIENT 2 /* Remove an NFS client. */
4. define NFSCTL_EXPORT 3 /* export a file system. */
5. define NFSCTL_UNEXPORT 4 /* unexport a file system. */
6. define NFSCTL_UGIDUPDATE 5 /* update a client's uid/gid map. */
7. 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.