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 * const *xattr; /* NFS xattr handlers */ 22 }; 23 24 struct nfs_subversion *find_nfs_version(unsigned int); 25 int get_nfs_version(struct nfs_subversion *); 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