nfsservctl - 系統調用接口，內核中NFS守護進程

內容簡介

#include <linux/nfsd/syscall.h>

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

描述

/*
* 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.