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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Anna Schumaker1c6dcbe2014-09-26 13:58:48 -04002/*
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
Trond Myklebustbe3a5d22015-06-23 19:51:55 +08009/*
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
Anna Schumaker1c6dcbe2014-09-26 13:58:48 -040015/* nfs4.2proc.c */
Olga Kornievskaia04915672019-06-04 16:14:30 -040016#ifdef CONFIG_NFS_V4_2
Anna Schumakerf4ac1672014-11-25 13:18:15 -050017int nfs42_proc_allocate(struct file *, loff_t, loff_t);
Olga Kornievskaia1d38f3f2019-06-04 11:54:18 -040018ssize_t nfs42_proc_copy(struct file *, loff_t, struct file *, loff_t, size_t,
Olga Kornievskaia12751012019-07-03 10:38:02 -040019 struct nl4_server *, nfs4_stateid *, bool);
Anna Schumaker624bd5b2014-11-25 13:18:16 -050020int nfs42_proc_deallocate(struct file *, loff_t, loff_t);
Anna Schumaker1c6dcbe2014-09-26 13:58:48 -040021loff_t nfs42_proc_llseek(struct file *, loff_t, int);
Trond Myklebustbe3a5d22015-06-23 19:51:55 +080022int nfs42_proc_layoutstats_generic(struct nfs_server *,
23 struct nfs42_layoutstat_data *);
Peng Taoe5341f32015-09-26 02:24:35 +080024int nfs42_proc_clone(struct file *, struct file *, loff_t, loff_t, loff_t);
Trond Myklebust3eb86092019-02-08 10:31:05 -050025int nfs42_proc_layouterror(struct pnfs_layout_segment *lseg,
26 const struct nfs42_layout_error *errors,
27 size_t n);
Olga Kornievskaia04915672019-06-04 16:14:30 -040028int nfs42_proc_copy_notify(struct file *, struct file *,
29 struct nfs42_copy_notify_res *);
30static 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;
Anna Schumaker1c6dcbe2014-09-26 13:58:48 -040035
Olga Kornievskaia04915672019-06-04 16:14:30 -040036 return nfs4_check_serverowner_major_id(c_in->cl_serverowner,
37 c_out->cl_serverowner);
38}
39#endif /* CONFIG_NFS_V4_2 */
Anna Schumaker1c6dcbe2014-09-26 13:58:48 -040040#endif /* __LINUX_FS_NFS_NFS4_2_H */