1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (c) 2014 Anna Schumaker <Anna.Schumaker@Netapp.com> 4 */ 5 6 #ifndef __LINUX_FS_NFS_NFS4_2_H 7 #define __LINUX_FS_NFS_NFS4_2_H 8 9 /* 10 * FIXME: four LAYOUTSTATS calls per compound at most! Do we need to support 11 * more? Need to consider not to pre-alloc too much for a compound. 12 */ 13 #define PNFS_LAYOUTSTATS_MAXDEV (4) 14 15 /* nfs4.2proc.c */ 16 #ifdef CONFIG_NFS_V4_2 17 int nfs42_proc_allocate(struct file *, loff_t, loff_t); 18 ssize_t nfs42_proc_copy(struct file *, loff_t, struct file *, loff_t, size_t, 19 struct nl4_server *, nfs4_stateid *, bool); 20 int nfs42_proc_deallocate(struct file *, loff_t, loff_t); 21 loff_t nfs42_proc_llseek(struct file *, loff_t, int); 22 int nfs42_proc_layoutstats_generic(struct nfs_server *, 23 struct nfs42_layoutstat_data *); 24 int nfs42_proc_clone(struct file *, struct file *, loff_t, loff_t, loff_t); 25 int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg, 26 const struct nfs42_layout_error *errors, 27 size_t n); 28 int nfs42_proc_copy_notify(struct file *, struct file *, 29 struct nfs42_copy_notify_res *); 30 static inline bool nfs42_files_from_same_server(struct file *in, 31 struct file *out) 32 { 33 struct nfs_client *c_in = (NFS_SERVER(file_inode(in)))->nfs_client; 34 struct nfs_client *c_out = (NFS_SERVER(file_inode(out)))->nfs_client; 35 36 return nfs4_check_serverowner_major_id(c_in->cl_serverowner, 37 c_out->cl_serverowner); 38 } 39 #endif /* CONFIG_NFS_V4_2 */ 40 #endif /* __LINUX_FS_NFS_NFS4_2_H */ 41