Linux 6.1.31 headers
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pepe
97
linux/nfsd/cld.h
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97
linux/nfsd/cld.h
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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
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/*
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* Upcall description for nfsdcld communication
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*
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* Copyright (c) 2012 Red Hat, Inc.
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* Author(s): Jeff Layton <jlayton@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _NFSD_CLD_H
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#define _NFSD_CLD_H
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#include <linux/types.h>
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/* latest upcall version available */
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#define CLD_UPCALL_VERSION 2
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/* defined by RFC3530 */
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#define NFS4_OPAQUE_LIMIT 1024
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#ifndef SHA256_DIGEST_SIZE
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#define SHA256_DIGEST_SIZE 32
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#endif
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enum cld_command {
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Cld_Create, /* create a record for this cm_id */
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Cld_Remove, /* remove record of this cm_id */
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Cld_Check, /* is this cm_id allowed? */
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Cld_GraceDone, /* grace period is complete */
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Cld_GraceStart, /* grace start (upload client records) */
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Cld_GetVersion, /* query max supported upcall version */
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};
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/* representation of long-form NFSv4 client ID */
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struct cld_name {
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__u16 cn_len; /* length of cm_id */
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unsigned char cn_id[NFS4_OPAQUE_LIMIT]; /* client-provided */
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} __attribute__((packed));
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/* sha256 hash of the kerberos principal */
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struct cld_princhash {
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__u8 cp_len; /* length of cp_data */
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unsigned char cp_data[SHA256_DIGEST_SIZE]; /* hash of principal */
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} __attribute__((packed));
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struct cld_clntinfo {
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struct cld_name cc_name;
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struct cld_princhash cc_princhash;
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} __attribute__((packed));
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/* message struct for communication with userspace */
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struct cld_msg {
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__u8 cm_vers; /* upcall version */
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__u8 cm_cmd; /* upcall command */
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__s16 cm_status; /* return code */
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__u32 cm_xid; /* transaction id */
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union {
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__s64 cm_gracetime; /* grace period start time */
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struct cld_name cm_name;
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__u8 cm_version; /* for getting max version */
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} __attribute__((packed)) cm_u;
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} __attribute__((packed));
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/* version 2 message can include hash of kerberos principal */
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struct cld_msg_v2 {
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__u8 cm_vers; /* upcall version */
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__u8 cm_cmd; /* upcall command */
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__s16 cm_status; /* return code */
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__u32 cm_xid; /* transaction id */
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union {
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struct cld_name cm_name;
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__u8 cm_version; /* for getting max version */
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struct cld_clntinfo cm_clntinfo; /* name & princ hash */
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} __attribute__((packed)) cm_u;
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} __attribute__((packed));
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struct cld_msg_hdr {
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__u8 cm_vers; /* upcall version */
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__u8 cm_cmd; /* upcall command */
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__s16 cm_status; /* return code */
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__u32 cm_xid; /* transaction id */
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} __attribute__((packed));
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#endif /* !_NFSD_CLD_H */
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34
linux/nfsd/debug.h
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linux/nfsd/debug.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* linux/include/linux/nfsd/debug.h
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*
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* Debugging-related stuff for nfsd
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*
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* Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef LINUX_NFSD_DEBUG_H
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#define LINUX_NFSD_DEBUG_H
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#include <linux/sunrpc/debug.h>
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/*
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* knfsd debug flags
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*/
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#define NFSDDBG_SOCK 0x0001
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#define NFSDDBG_FH 0x0002
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#define NFSDDBG_EXPORT 0x0004
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#define NFSDDBG_SVC 0x0008
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#define NFSDDBG_PROC 0x0010
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#define NFSDDBG_FILEOP 0x0020
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#define NFSDDBG_AUTH 0x0040
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#define NFSDDBG_REPCACHE 0x0080
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#define NFSDDBG_XDR 0x0100
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#define NFSDDBG_LOCKD 0x0200
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#define NFSDDBG_PNFS 0x0400
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#define NFSDDBG_ALL 0x7FFF
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#define NFSDDBG_NOCHANGE 0xFFFF
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#endif /* LINUX_NFSD_DEBUG_H */
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66
linux/nfsd/export.h
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66
linux/nfsd/export.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* include/linux/nfsd/export.h
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*
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* Public declarations for NFS exports. The definitions for the
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* syscall interface are in nfsctl.h
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*
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* Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef NFSD_EXPORT_H
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#define NFSD_EXPORT_H
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# include <linux/types.h>
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/*
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* Important limits for the exports stuff.
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*/
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#define NFSCLNT_IDMAX 1024
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#define NFSCLNT_ADDRMAX 16
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#define NFSCLNT_KEYMAX 32
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/*
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* Export flags.
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*
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* Please update the expflags[] array in fs/nfsd/export.c when adding
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* a new flag.
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*/
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#define NFSEXP_READONLY 0x0001
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#define NFSEXP_INSECURE_PORT 0x0002
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#define NFSEXP_ROOTSQUASH 0x0004
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#define NFSEXP_ALLSQUASH 0x0008
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#define NFSEXP_ASYNC 0x0010
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#define NFSEXP_GATHERED_WRITES 0x0020
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#define NFSEXP_NOREADDIRPLUS 0x0040
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#define NFSEXP_SECURITY_LABEL 0x0080
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/* 0x100 currently unused */
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#define NFSEXP_NOHIDE 0x0200
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#define NFSEXP_NOSUBTREECHECK 0x0400
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#define NFSEXP_NOAUTHNLM 0x0800 /* Don't authenticate NLM requests - just trust */
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#define NFSEXP_MSNFS 0x1000 /* do silly things that MS clients expect; no longer supported */
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#define NFSEXP_FSID 0x2000
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#define NFSEXP_CROSSMOUNT 0x4000
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#define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */
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/*
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* The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4
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* clients, and only to the single directory that is the root of the
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* export; further lookup and readdir operations are treated as if every
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* subdirectory was a mountpoint, and ignored if they are not themselves
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* exported. This is used by nfsd and mountd to construct the NFSv4
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* pseudofilesystem, which provides access only to paths leading to each
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* exported filesystem.
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*/
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#define NFSEXP_V4ROOT 0x10000
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#define NFSEXP_PNFS 0x20000
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/* All flags that we claim to support. (Note we don't support NOACL.) */
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#define NFSEXP_ALLFLAGS 0x3FEFF
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/* The flags that may vary depending on security flavor: */
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#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \
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| NFSEXP_ALLSQUASH \
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| NFSEXP_INSECURE_PORT)
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#endif /* NFSD_EXPORT_H */
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18
linux/nfsd/stats.h
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18
linux/nfsd/stats.h
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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* linux/include/linux/nfsd/stats.h
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*
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* Statistics for NFS server.
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*
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* Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de>
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*/
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#ifndef LINUX_NFSD_STATS_H
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#define LINUX_NFSD_STATS_H
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#include <linux/nfs4.h>
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/* thread usage wraps very million seconds (approx one fortnight) */
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#define NFSD_USAGE_WRAP (HZ*1000000)
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#endif /* LINUX_NFSD_STATS_H */
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