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marcus.erl |
/*
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* include/linux/nfsd/xdr4.h
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*
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* Server-side types for NFSv4.
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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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* Kendrick Smith <kmsmith@umich.edu>
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* Andy Adamson <andros@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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*/
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#ifndef _LINUX_NFSD_XDR4_H
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#define _LINUX_NFSD_XDR4_H
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#include <linux/nfs4.h>
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#define NFSD4_MAX_TAGLEN 128
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#define XDR_LEN(n) (((n) + 3) & ~3)
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struct nfsd4_compound_state {
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struct svc_fh current_fh;
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struct svc_fh save_fh;
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struct nfs4_stateowner *replay_owner;
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};
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struct nfsd4_change_info {
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u32 atomic;
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u32 before_ctime_sec;
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u32 before_ctime_nsec;
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u32 after_ctime_sec;
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u32 after_ctime_nsec;
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};
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struct nfsd4_access {
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u32 ac_req_access; /* request */
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u32 ac_supported; /* response */
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u32 ac_resp_access; /* response */
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};
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struct nfsd4_close {
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u32 cl_seqid; /* request */
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stateid_t cl_stateid; /* request+response */
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struct nfs4_stateowner * cl_stateowner; /* response */
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};
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struct nfsd4_commit {
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u64 co_offset; /* request */
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u32 co_count; /* request */
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nfs4_verifier co_verf; /* response */
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};
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struct nfsd4_create {
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u32 cr_namelen; /* request */
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char * cr_name; /* request */
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u32 cr_type; /* request */
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union { /* request */
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struct {
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u32 namelen;
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char *name;
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} link; /* NF4LNK */
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struct {
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u32 specdata1;
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u32 specdata2;
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} dev; /* NF4BLK, NF4CHR */
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} u;
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u32 cr_bmval[2]; /* request */
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struct iattr cr_iattr; /* request */
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struct nfsd4_change_info cr_cinfo; /* response */
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struct nfs4_acl *cr_acl;
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};
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#define cr_linklen u.link.namelen
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#define cr_linkname u.link.name
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#define cr_specdata1 u.dev.specdata1
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#define cr_specdata2 u.dev.specdata2
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struct nfsd4_delegreturn {
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stateid_t dr_stateid;
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};
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struct nfsd4_getattr {
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u32 ga_bmval[2]; /* request */
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struct svc_fh *ga_fhp; /* response */
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};
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struct nfsd4_link {
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u32 li_namelen; /* request */
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char * li_name; /* request */
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struct nfsd4_change_info li_cinfo; /* response */
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};
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struct nfsd4_lock_denied {
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clientid_t ld_clientid;
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struct nfs4_stateowner *ld_sop;
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u64 ld_start;
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u64 ld_length;
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u32 ld_type;
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};
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struct nfsd4_lock {
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/* request */
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u32 lk_type;
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u32 lk_reclaim; /* boolean */
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u64 lk_offset;
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u64 lk_length;
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u32 lk_is_new;
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union {
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struct {
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u32 open_seqid;
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stateid_t open_stateid;
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u32 lock_seqid;
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clientid_t clientid;
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struct xdr_netobj owner;
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} new;
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struct {
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stateid_t lock_stateid;
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u32 lock_seqid;
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} old;
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} v;
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/* response */
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union {
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struct {
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stateid_t stateid;
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} ok;
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struct nfsd4_lock_denied denied;
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} u;
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/* The lk_replay_owner is the open owner in the open_to_lock_owner
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* case and the lock owner otherwise: */
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struct nfs4_stateowner *lk_replay_owner;
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};
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#define lk_new_open_seqid v.new.open_seqid
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#define lk_new_open_stateid v.new.open_stateid
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#define lk_new_lock_seqid v.new.lock_seqid
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#define lk_new_clientid v.new.clientid
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#define lk_new_owner v.new.owner
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#define lk_old_lock_stateid v.old.lock_stateid
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#define lk_old_lock_seqid v.old.lock_seqid
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#define lk_rflags u.ok.rflags
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#define lk_resp_stateid u.ok.stateid
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#define lk_denied u.denied
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struct nfsd4_lockt {
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u32 lt_type;
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clientid_t lt_clientid;
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struct xdr_netobj lt_owner;
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u64 lt_offset;
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u64 lt_length;
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struct nfs4_stateowner * lt_stateowner;
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struct nfsd4_lock_denied lt_denied;
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};
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struct nfsd4_locku {
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u32 lu_type;
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u32 lu_seqid;
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stateid_t lu_stateid;
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u64 lu_offset;
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u64 lu_length;
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struct nfs4_stateowner *lu_stateowner;
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};
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struct nfsd4_lookup {
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u32 lo_len; /* request */
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char * lo_name; /* request */
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};
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struct nfsd4_putfh {
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u32 pf_fhlen; /* request */
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char *pf_fhval; /* request */
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};
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struct nfsd4_open {
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u32 op_claim_type; /* request */
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struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
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u32 op_delegate_type; /* request - CLAIM_PREV only */
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stateid_t op_delegate_stateid; /* request - response */
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u32 op_create; /* request */
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u32 op_createmode; /* request */
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u32 op_bmval[2]; /* request */
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union { /* request */
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struct iattr iattr; /* UNCHECKED4,GUARDED4 */
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nfs4_verifier verf; /* EXCLUSIVE4 */
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} u;
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clientid_t op_clientid; /* request */
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struct xdr_netobj op_owner; /* request */
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u32 op_seqid; /* request */
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u32 op_share_access; /* request */
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u32 op_share_deny; /* request */
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stateid_t op_stateid; /* response */
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u32 op_recall; /* recall */
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struct nfsd4_change_info op_cinfo; /* response */
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u32 op_rflags; /* response */
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int op_truncate; /* used during processing */
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struct nfs4_stateowner *op_stateowner; /* used during processing */
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struct nfs4_acl *op_acl;
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};
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#define op_iattr u.iattr
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#define op_verf u.verf
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struct nfsd4_open_confirm {
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stateid_t oc_req_stateid /* request */;
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u32 oc_seqid /* request */;
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stateid_t oc_resp_stateid /* response */;
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struct nfs4_stateowner * oc_stateowner; /* response */
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};
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struct nfsd4_open_downgrade {
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stateid_t od_stateid;
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u32 od_seqid;
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u32 od_share_access;
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u32 od_share_deny;
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struct nfs4_stateowner *od_stateowner;
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};
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struct nfsd4_read {
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stateid_t rd_stateid; /* request */
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u64 rd_offset; /* request */
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u32 rd_length; /* request */
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int rd_vlen;
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struct file *rd_filp;
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struct svc_rqst *rd_rqstp; /* response */
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struct svc_fh * rd_fhp; /* response */
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};
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| 257 |
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struct nfsd4_readdir {
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u64 rd_cookie; /* request */
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nfs4_verifier rd_verf; /* request */
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| 260 |
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u32 rd_dircount; /* request */
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| 261 |
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u32 rd_maxcount; /* request */
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| 262 |
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u32 rd_bmval[2]; /* request */
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| 263 |
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struct svc_rqst *rd_rqstp; /* response */
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| 264 |
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struct svc_fh * rd_fhp; /* response */
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| 265 |
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| 266 |
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struct readdir_cd common;
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| 267 |
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__be32 * buffer;
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| 268 |
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int buflen;
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| 269 |
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__be32 * offset;
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| 270 |
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};
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| 271 |
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| 272 |
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struct nfsd4_release_lockowner {
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| 273 |
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clientid_t rl_clientid;
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| 274 |
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struct xdr_netobj rl_owner;
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| 275 |
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};
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| 276 |
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struct nfsd4_readlink {
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| 277 |
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struct svc_rqst *rl_rqstp; /* request */
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| 278 |
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struct svc_fh * rl_fhp; /* request */
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| 279 |
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};
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| 280 |
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| 281 |
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struct nfsd4_remove {
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| 282 |
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u32 rm_namelen; /* request */
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| 283 |
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char * rm_name; /* request */
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| 284 |
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struct nfsd4_change_info rm_cinfo; /* response */
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| 285 |
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};
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| 286 |
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| 287 |
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struct nfsd4_rename {
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| 288 |
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u32 rn_snamelen; /* request */
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| 289 |
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char * rn_sname; /* request */
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| 290 |
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u32 rn_tnamelen; /* request */
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| 291 |
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char * rn_tname; /* request */
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| 292 |
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struct nfsd4_change_info rn_sinfo; /* response */
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| 293 |
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struct nfsd4_change_info rn_tinfo; /* response */
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| 294 |
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};
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| 295 |
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| 296 |
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struct nfsd4_secinfo {
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| 297 |
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u32 si_namelen; /* request */
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| 298 |
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char *si_name; /* request */
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| 299 |
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struct svc_export *si_exp; /* response */
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| 300 |
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};
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| 301 |
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| 302 |
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struct nfsd4_setattr {
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| 303 |
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stateid_t sa_stateid; /* request */
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| 304 |
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u32 sa_bmval[2]; /* request */
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| 305 |
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struct iattr sa_iattr; /* request */
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| 306 |
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struct nfs4_acl *sa_acl;
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| 307 |
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};
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| 308 |
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| 309 |
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struct nfsd4_setclientid {
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| 310 |
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nfs4_verifier se_verf; /* request */
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| 311 |
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u32 se_namelen; /* request */
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| 312 |
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char * se_name; /* request */
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| 313 |
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u32 se_callback_prog; /* request */
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| 314 |
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u32 se_callback_netid_len; /* request */
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| 315 |
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char * se_callback_netid_val; /* request */
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| 316 |
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u32 se_callback_addr_len; /* request */
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| 317 |
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char * se_callback_addr_val; /* request */
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| 318 |
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u32 se_callback_ident; /* request */
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| 319 |
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clientid_t se_clientid; /* response */
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| 320 |
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nfs4_verifier se_confirm; /* response */
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| 321 |
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};
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| 322 |
|
|
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| 323 |
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struct nfsd4_setclientid_confirm {
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| 324 |
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clientid_t sc_clientid;
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| 325 |
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nfs4_verifier sc_confirm;
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| 326 |
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};
|
| 327 |
|
|
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| 328 |
|
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/* also used for NVERIFY */
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| 329 |
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struct nfsd4_verify {
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| 330 |
|
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u32 ve_bmval[2]; /* request */
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| 331 |
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u32 ve_attrlen; /* request */
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| 332 |
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char * ve_attrval; /* request */
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| 333 |
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};
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| 334 |
|
|
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| 335 |
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struct nfsd4_write {
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| 336 |
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stateid_t wr_stateid; /* request */
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| 337 |
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u64 wr_offset; /* request */
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| 338 |
|
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u32 wr_stable_how; /* request */
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| 339 |
|
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u32 wr_buflen; /* request */
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| 340 |
|
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int wr_vlen;
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| 341 |
|
|
|
| 342 |
|
|
u32 wr_bytes_written; /* response */
|
| 343 |
|
|
u32 wr_how_written; /* response */
|
| 344 |
|
|
nfs4_verifier wr_verifier; /* response */
|
| 345 |
|
|
};
|
| 346 |
|
|
|
| 347 |
|
|
struct nfsd4_op {
|
| 348 |
|
|
int opnum;
|
| 349 |
|
|
__be32 status;
|
| 350 |
|
|
union {
|
| 351 |
|
|
struct nfsd4_access access;
|
| 352 |
|
|
struct nfsd4_close close;
|
| 353 |
|
|
struct nfsd4_commit commit;
|
| 354 |
|
|
struct nfsd4_create create;
|
| 355 |
|
|
struct nfsd4_delegreturn delegreturn;
|
| 356 |
|
|
struct nfsd4_getattr getattr;
|
| 357 |
|
|
struct svc_fh * getfh;
|
| 358 |
|
|
struct nfsd4_link link;
|
| 359 |
|
|
struct nfsd4_lock lock;
|
| 360 |
|
|
struct nfsd4_lockt lockt;
|
| 361 |
|
|
struct nfsd4_locku locku;
|
| 362 |
|
|
struct nfsd4_lookup lookup;
|
| 363 |
|
|
struct nfsd4_verify nverify;
|
| 364 |
|
|
struct nfsd4_open open;
|
| 365 |
|
|
struct nfsd4_open_confirm open_confirm;
|
| 366 |
|
|
struct nfsd4_open_downgrade open_downgrade;
|
| 367 |
|
|
struct nfsd4_putfh putfh;
|
| 368 |
|
|
struct nfsd4_read read;
|
| 369 |
|
|
struct nfsd4_readdir readdir;
|
| 370 |
|
|
struct nfsd4_readlink readlink;
|
| 371 |
|
|
struct nfsd4_remove remove;
|
| 372 |
|
|
struct nfsd4_rename rename;
|
| 373 |
|
|
clientid_t renew;
|
| 374 |
|
|
struct nfsd4_secinfo secinfo;
|
| 375 |
|
|
struct nfsd4_setattr setattr;
|
| 376 |
|
|
struct nfsd4_setclientid setclientid;
|
| 377 |
|
|
struct nfsd4_setclientid_confirm setclientid_confirm;
|
| 378 |
|
|
struct nfsd4_verify verify;
|
| 379 |
|
|
struct nfsd4_write write;
|
| 380 |
|
|
struct nfsd4_release_lockowner release_lockowner;
|
| 381 |
|
|
} u;
|
| 382 |
|
|
struct nfs4_replay * replay;
|
| 383 |
|
|
};
|
| 384 |
|
|
|
| 385 |
|
|
struct nfsd4_compoundargs {
|
| 386 |
|
|
/* scratch variables for XDR decode */
|
| 387 |
|
|
__be32 * p;
|
| 388 |
|
|
__be32 * end;
|
| 389 |
|
|
struct page ** pagelist;
|
| 390 |
|
|
int pagelen;
|
| 391 |
|
|
__be32 tmp[8];
|
| 392 |
|
|
__be32 * tmpp;
|
| 393 |
|
|
struct tmpbuf {
|
| 394 |
|
|
struct tmpbuf *next;
|
| 395 |
|
|
void (*release)(const void *);
|
| 396 |
|
|
void *buf;
|
| 397 |
|
|
} *to_free;
|
| 398 |
|
|
|
| 399 |
|
|
struct svc_rqst *rqstp;
|
| 400 |
|
|
|
| 401 |
|
|
u32 taglen;
|
| 402 |
|
|
char * tag;
|
| 403 |
|
|
u32 minorversion;
|
| 404 |
|
|
u32 opcnt;
|
| 405 |
|
|
struct nfsd4_op *ops;
|
| 406 |
|
|
struct nfsd4_op iops[8];
|
| 407 |
|
|
};
|
| 408 |
|
|
|
| 409 |
|
|
struct nfsd4_compoundres {
|
| 410 |
|
|
/* scratch variables for XDR encode */
|
| 411 |
|
|
__be32 * p;
|
| 412 |
|
|
__be32 * end;
|
| 413 |
|
|
struct xdr_buf * xbuf;
|
| 414 |
|
|
struct svc_rqst * rqstp;
|
| 415 |
|
|
|
| 416 |
|
|
u32 taglen;
|
| 417 |
|
|
char * tag;
|
| 418 |
|
|
u32 opcnt;
|
| 419 |
|
|
__be32 * tagp; /* where to encode tag and opcount */
|
| 420 |
|
|
};
|
| 421 |
|
|
|
| 422 |
|
|
#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
|
| 423 |
|
|
|
| 424 |
|
|
static inline void
|
| 425 |
|
|
set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
|
| 426 |
|
|
{
|
| 427 |
|
|
BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved);
|
| 428 |
|
|
cinfo->atomic = 1;
|
| 429 |
|
|
cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
|
| 430 |
|
|
cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
|
| 431 |
|
|
cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
|
| 432 |
|
|
cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
|
| 433 |
|
|
}
|
| 434 |
|
|
|
| 435 |
|
|
int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
|
| 436 |
|
|
int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
|
| 437 |
|
|
struct nfsd4_compoundargs *);
|
| 438 |
|
|
int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
|
| 439 |
|
|
struct nfsd4_compoundres *);
|
| 440 |
|
|
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
|
| 441 |
|
|
void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
|
| 442 |
|
|
__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
|
| 443 |
|
|
struct dentry *dentry, __be32 *buffer, int *countp,
|
| 444 |
|
|
u32 *bmval, struct svc_rqst *);
|
| 445 |
|
|
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
|
| 446 |
|
|
struct nfsd4_compound_state *,
|
| 447 |
|
|
struct nfsd4_setclientid *setclid);
|
| 448 |
|
|
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
|
| 449 |
|
|
struct nfsd4_compound_state *,
|
| 450 |
|
|
struct nfsd4_setclientid_confirm *setclientid_confirm);
|
| 451 |
|
|
extern __be32 nfsd4_process_open1(struct nfsd4_open *open);
|
| 452 |
|
|
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
|
| 453 |
|
|
struct svc_fh *current_fh, struct nfsd4_open *open);
|
| 454 |
|
|
extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
|
| 455 |
|
|
struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
|
| 456 |
|
|
extern __be32 nfsd4_close(struct svc_rqst *rqstp,
|
| 457 |
|
|
struct nfsd4_compound_state *,
|
| 458 |
|
|
struct nfsd4_close *close);
|
| 459 |
|
|
extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
|
| 460 |
|
|
struct nfsd4_compound_state *,
|
| 461 |
|
|
struct nfsd4_open_downgrade *od);
|
| 462 |
|
|
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
|
| 463 |
|
|
struct nfsd4_lock *lock);
|
| 464 |
|
|
extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
|
| 465 |
|
|
struct nfsd4_compound_state *,
|
| 466 |
|
|
struct nfsd4_lockt *lockt);
|
| 467 |
|
|
extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
|
| 468 |
|
|
struct nfsd4_compound_state *,
|
| 469 |
|
|
struct nfsd4_locku *locku);
|
| 470 |
|
|
extern __be32
|
| 471 |
|
|
nfsd4_release_lockowner(struct svc_rqst *rqstp,
|
| 472 |
|
|
struct nfsd4_compound_state *,
|
| 473 |
|
|
struct nfsd4_release_lockowner *rlockowner);
|
| 474 |
|
|
extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *);
|
| 475 |
|
|
extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
|
| 476 |
|
|
struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
|
| 477 |
|
|
extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
|
| 478 |
|
|
struct nfsd4_compound_state *, clientid_t *clid);
|
| 479 |
|
|
#endif
|
| 480 |
|
|
|
| 481 |
|
|
/*
|
| 482 |
|
|
* Local variables:
|
| 483 |
|
|
* c-basic-offset: 8
|
| 484 |
|
|
* End:
|
| 485 |
|
|
*/
|
