nfsd: allocate export and expkey caches in per-net operations.
[deliverable/linux.git] / fs / nfsd / idmap.h
CommitLineData
1da177e4 1/*
1da177e4
LT
2 * Mapping of UID to name and vice versa.
3 *
4 * Copyright (c) 2002, 2003 The Regents of the University of
5 * Michigan. All rights reserved.
6> *
7 * Marius Aamodt Eriksen <marius@umich.edu>
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its
19 * contributors may be used to endorse or promote products derived
20 * from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
29 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
30 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
31 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
32 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35#ifndef LINUX_NFSD_IDMAP_H
36#define LINUX_NFSD_IDMAP_H
37
38#include <linux/in.h>
39#include <linux/sunrpc/svc.h>
40
41/* XXX from linux/nfs_idmap.h */
42#define IDMAP_NAMESZ 128
43
bd0b1e95 44#ifdef CONFIG_NFSD_V4
dbf847ec 45int nfsd_idmap_init(void);
1da177e4 46void nfsd_idmap_shutdown(void);
bd0b1e95 47#else
dbf847ec
BF
48static inline int nfsd_idmap_init(void)
49{
50 return 0;
51}
52static inline void nfsd_idmap_shutdown(void)
53{
54}
bd0b1e95 55#endif
1da177e4 56
3c726023
BF
57__be32 nfsd_map_name_to_uid(struct svc_rqst *, const char *, size_t, __u32 *);
58__be32 nfsd_map_name_to_gid(struct svc_rqst *, const char *, size_t, __u32 *);
1da177e4
LT
59int nfsd_map_uid_to_name(struct svc_rqst *, __u32, char *);
60int nfsd_map_gid_to_name(struct svc_rqst *, __u32, char *);
61
62#endif /* LINUX_NFSD_IDMAP_H */
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