NFSSERVCTL

NFSSERVCTL

NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO

NAME

nfsservctl - syscall interface to kernel nfs daemon

SYNOPSIS

#include

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.