xref: /linux/fs/nfs/nfs.h (revision 24bce201d79807b668bf9d9e0aca801c5c0d5f78)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2012 Netapp, Inc. All rights reserved.
4  *
5  * Function and structures exported by the NFS module
6  * for use by NFS version-specific modules.
7  */
8 #ifndef __LINUX_INTERNAL_NFS_H
9 #define __LINUX_INTERNAL_NFS_H
10 
11 #include <linux/fs.h>
12 #include <linux/sunrpc/sched.h>
13 #include <linux/nfs_xdr.h>
14 
15 struct nfs_subversion {
16 	struct module *owner;	/* THIS_MODULE pointer */
17 	struct file_system_type *nfs_fs;	/* NFS filesystem type */
18 	const struct rpc_version *rpc_vers;	/* NFS version information */
19 	const struct nfs_rpc_ops *rpc_ops;	/* NFS operations */
20 	const struct super_operations *sops;	/* NFS Super operations */
21 	const struct xattr_handler **xattr;	/* NFS xattr handlers */
22 	struct list_head list;		/* List of NFS versions */
23 };
24 
25 struct nfs_subversion *get_nfs_version(unsigned int);
26 void put_nfs_version(struct nfs_subversion *);
27 void register_nfs_version(struct nfs_subversion *);
28 void unregister_nfs_version(struct nfs_subversion *);
29 
30 #endif /* __LINUX_INTERNAL_NFS_H */
31