mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-16 15:34:48 +08:00
93 lines
2.0 KiB
C
93 lines
2.0 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* Helper for knfsd's SSC to access ops in NFS client modules
|
||
|
|
*
|
||
|
|
* Author: Dai Ngo <dai.ngo@oracle.com>
|
||
|
|
*
|
||
|
|
* Copyright (c) 2020, Oracle and/or its affiliates.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/fs.h>
|
||
|
|
#include <linux/nfs_ssc.h>
|
||
|
|
#include "../nfs/nfs4_fs.h"
|
||
|
|
|
||
|
|
MODULE_LICENSE("GPL");
|
||
|
|
|
||
|
|
struct nfs_ssc_client_ops_tbl nfs_ssc_client_tbl;
|
||
|
|
EXPORT_SYMBOL_GPL(nfs_ssc_client_tbl);
|
||
|
|
|
||
|
|
#ifdef CONFIG_NFS_V4_2
|
||
|
|
/**
|
||
|
|
* nfs42_ssc_register - install the NFS_V4 client ops in the nfs_ssc_client_tbl
|
||
|
|
* @ops: NFS_V4 ops to be installed
|
||
|
|
*
|
||
|
|
* Return values:
|
||
|
|
* None
|
||
|
|
*/
|
||
|
|
void nfs42_ssc_register(const struct nfs4_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
nfs_ssc_client_tbl.ssc_nfs4_ops = ops;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs42_ssc_register);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* nfs42_ssc_unregister - uninstall the NFS_V4 client ops from
|
||
|
|
* the nfs_ssc_client_tbl
|
||
|
|
* @ops: ops to be uninstalled
|
||
|
|
*
|
||
|
|
* Return values:
|
||
|
|
* None
|
||
|
|
*/
|
||
|
|
void nfs42_ssc_unregister(const struct nfs4_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
if (nfs_ssc_client_tbl.ssc_nfs4_ops != ops)
|
||
|
|
return;
|
||
|
|
|
||
|
|
nfs_ssc_client_tbl.ssc_nfs4_ops = NULL;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs42_ssc_unregister);
|
||
|
|
#endif /* CONFIG_NFS_V4_2 */
|
||
|
|
|
||
|
|
#ifdef CONFIG_NFS_V4_2
|
||
|
|
/**
|
||
|
|
* nfs_ssc_register - install the NFS_FS client ops in the nfs_ssc_client_tbl
|
||
|
|
* @ops: NFS_FS ops to be installed
|
||
|
|
*
|
||
|
|
* Return values:
|
||
|
|
* None
|
||
|
|
*/
|
||
|
|
void nfs_ssc_register(const struct nfs_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
nfs_ssc_client_tbl.ssc_nfs_ops = ops;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs_ssc_register);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* nfs_ssc_unregister - uninstall the NFS_FS client ops from
|
||
|
|
* the nfs_ssc_client_tbl
|
||
|
|
* @ops: ops to be uninstalled
|
||
|
|
*
|
||
|
|
* Return values:
|
||
|
|
* None
|
||
|
|
*/
|
||
|
|
void nfs_ssc_unregister(const struct nfs_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
if (nfs_ssc_client_tbl.ssc_nfs_ops != ops)
|
||
|
|
return;
|
||
|
|
nfs_ssc_client_tbl.ssc_nfs_ops = NULL;
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs_ssc_unregister);
|
||
|
|
|
||
|
|
#else
|
||
|
|
void nfs_ssc_register(const struct nfs_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs_ssc_register);
|
||
|
|
|
||
|
|
void nfs_ssc_unregister(const struct nfs_ssc_client_ops *ops)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
EXPORT_SYMBOL_GPL(nfs_ssc_unregister);
|
||
|
|
#endif /* CONFIG_NFS_V4_2 */
|