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607ca46e97
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
/*
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* include/linux/nfs_idmap.h
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*
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* UID and GID to name mapping for clients.
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*
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* Copyright (c) 2002 The Regents of the University of Michigan.
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* All rights reserved.
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*
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* Marius Aamodt Eriksen <marius@umich.edu>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef NFS_IDMAP_H
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#define NFS_IDMAP_H
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#include <uapi/linux/nfs_idmap.h>
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/* Forward declaration to make this header independent of others */
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struct nfs_client;
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struct nfs_server;
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struct nfs_fattr;
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struct nfs4_string;
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#if IS_ENABLED(CONFIG_NFS_V4)
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int nfs_idmap_init(void);
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void nfs_idmap_quit(void);
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#else
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static inline int nfs_idmap_init(void)
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{
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return 0;
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}
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static inline void nfs_idmap_quit(void)
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{}
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#endif
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int nfs_idmap_new(struct nfs_client *);
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void nfs_idmap_delete(struct nfs_client *);
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void nfs_fattr_init_names(struct nfs_fattr *fattr,
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struct nfs4_string *owner_name,
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struct nfs4_string *group_name);
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void nfs_fattr_free_names(struct nfs_fattr *);
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void nfs_fattr_map_and_free_names(struct nfs_server *, struct nfs_fattr *);
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int nfs_map_name_to_uid(const struct nfs_server *, const char *, size_t, __u32 *);
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int nfs_map_group_to_gid(const struct nfs_server *, const char *, size_t, __u32 *);
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int nfs_map_uid_to_name(const struct nfs_server *, __u32, char *, size_t);
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int nfs_map_gid_to_group(const struct nfs_server *, __u32, char *, size_t);
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extern unsigned int nfs_idmap_cache_timeout;
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#endif /* NFS_IDMAP_H */
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