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linux-hardened/fs/nfsd/xdr4.h
Christoph Hellwig eb69853da9 nfsd4: properly type op_func callbacks 
Pass union nfsd4_op_u to the op_func callbacks instead of using unsafe
function pointer casts.

It also adds two missing structures to struct nfsd4_op.u to facilitate
this.

Signed-off-by: Christoph Hellwig <hch@lst.de>
2017-05-15 17:42:29 +02:00

757 lines
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/*
* Server-side types for NFSv4.
*
* Copyright (c) 2002 The Regents of the University of Michigan.
* All rights reserved.
*
* Kendrick Smith <kmsmith@umich.edu>
* Andy Adamson <andros@umich.edu>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef _LINUX_NFSD_XDR4_H
#define _LINUX_NFSD_XDR4_H
#include "state.h"
#include "nfsd.h"
#define NFSD4_MAX_TAGLEN 128
#define XDR_LEN(n) (((n) + 3) & ~3)
#define CURRENT_STATE_ID_FLAG (1<<0)
#define SAVED_STATE_ID_FLAG (1<<1)
#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
struct nfsd4_compound_state {
struct svc_fh current_fh;
struct svc_fh save_fh;
struct nfs4_stateowner *replay_owner;
struct nfs4_client *clp;
/* For sessions DRC */
struct nfsd4_session *session;
struct nfsd4_slot *slot;
int data_offset;
bool spo_must_allowed;
size_t iovlen;
u32 minorversion;
__be32 status;
stateid_t current_stateid;
stateid_t save_stateid;
/* to indicate current and saved state id presents */
u32 sid_flags;
};
static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
{
return cs->slot != NULL;
}
struct nfsd4_change_info {
u32 atomic;
bool change_supported;
u32 before_ctime_sec;
u32 before_ctime_nsec;
u64 before_change;
u32 after_ctime_sec;
u32 after_ctime_nsec;
u64 after_change;
};
struct nfsd4_access {
u32 ac_req_access; /* request */
u32 ac_supported; /* response */
u32 ac_resp_access; /* response */
};
struct nfsd4_close {
u32 cl_seqid; /* request */
stateid_t cl_stateid; /* request+response */
};
struct nfsd4_commit {
u64 co_offset; /* request */
u32 co_count; /* request */
nfs4_verifier co_verf; /* response */
};
struct nfsd4_create {
u32 cr_namelen; /* request */
char * cr_name; /* request */
u32 cr_type; /* request */
union { /* request */
struct {
u32 datalen;
char *data;
} link; /* NF4LNK */
struct {
u32 specdata1;
u32 specdata2;
} dev; /* NF4BLK, NF4CHR */
} u;
u32 cr_bmval[3]; /* request */
struct iattr cr_iattr; /* request */
struct nfsd4_change_info cr_cinfo; /* response */
struct nfs4_acl *cr_acl;
struct xdr_netobj cr_label;
};
#define cr_datalen u.link.datalen
#define cr_data u.link.data
#define cr_specdata1 u.dev.specdata1
#define cr_specdata2 u.dev.specdata2
struct nfsd4_delegreturn {
stateid_t dr_stateid;
};
struct nfsd4_getattr {
u32 ga_bmval[3]; /* request */
struct svc_fh *ga_fhp; /* response */
};
struct nfsd4_link {
u32 li_namelen; /* request */
char * li_name; /* request */
struct nfsd4_change_info li_cinfo; /* response */
};
struct nfsd4_lock_denied {
clientid_t ld_clientid;
struct xdr_netobj ld_owner;
u64 ld_start;
u64 ld_length;
u32 ld_type;
};
struct nfsd4_lock {
/* request */
u32 lk_type;
u32 lk_reclaim; /* boolean */
u64 lk_offset;
u64 lk_length;
u32 lk_is_new;
union {
struct {
u32 open_seqid;
stateid_t open_stateid;
u32 lock_seqid;
clientid_t clientid;
struct xdr_netobj owner;
} new;
struct {
stateid_t lock_stateid;
u32 lock_seqid;
} old;
} v;
/* response */
union {
struct {
stateid_t stateid;
} ok;
struct nfsd4_lock_denied denied;
} u;
};
#define lk_new_open_seqid v.new.open_seqid
#define lk_new_open_stateid v.new.open_stateid
#define lk_new_lock_seqid v.new.lock_seqid
#define lk_new_clientid v.new.clientid
#define lk_new_owner v.new.owner
#define lk_old_lock_stateid v.old.lock_stateid
#define lk_old_lock_seqid v.old.lock_seqid
#define lk_resp_stateid u.ok.stateid
#define lk_denied u.denied
struct nfsd4_lockt {
u32 lt_type;
clientid_t lt_clientid;
struct xdr_netobj lt_owner;
u64 lt_offset;
u64 lt_length;
struct nfsd4_lock_denied lt_denied;
};
struct nfsd4_locku {
u32 lu_type;
u32 lu_seqid;
stateid_t lu_stateid;
u64 lu_offset;
u64 lu_length;
};
struct nfsd4_lookup {
u32 lo_len; /* request */
char * lo_name; /* request */
};
struct nfsd4_putfh {
u32 pf_fhlen; /* request */
char *pf_fhval; /* request */
};
struct nfsd4_open {
u32 op_claim_type; /* request */
struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */
u32 op_delegate_type; /* request - CLAIM_PREV only */
stateid_t op_delegate_stateid; /* request - response */
u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */
u32 op_create; /* request */
u32 op_createmode; /* request */
u32 op_bmval[3]; /* request */
struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
nfs4_verifier op_verf __attribute__((aligned(32)));
/* EXCLUSIVE4 */
clientid_t op_clientid; /* request */
struct xdr_netobj op_owner; /* request */
u32 op_seqid; /* request */
u32 op_share_access; /* request */
u32 op_share_deny; /* request */
u32 op_deleg_want; /* request */
stateid_t op_stateid; /* response */
__be32 op_xdr_error; /* see nfsd4_open_omfg() */
u32 op_recall; /* recall */
struct nfsd4_change_info op_cinfo; /* response */
u32 op_rflags; /* response */
bool op_truncate; /* used during processing */
bool op_created; /* used during processing */
struct nfs4_openowner *op_openowner; /* used during processing */
struct nfs4_file *op_file; /* used during processing */
struct nfs4_ol_stateid *op_stp; /* used during processing */
struct nfs4_clnt_odstate *op_odstate; /* used during processing */
struct nfs4_acl *op_acl;
struct xdr_netobj op_label;
};
struct nfsd4_open_confirm {
stateid_t oc_req_stateid /* request */;
u32 oc_seqid /* request */;
stateid_t oc_resp_stateid /* response */;
};
struct nfsd4_open_downgrade {
stateid_t od_stateid;
u32 od_seqid;
u32 od_share_access; /* request */
u32 od_deleg_want; /* request */
u32 od_share_deny; /* request */
};
struct nfsd4_read {
stateid_t rd_stateid; /* request */
u64 rd_offset; /* request */
u32 rd_length; /* request */
int rd_vlen;
struct file *rd_filp;
bool rd_tmp_file;
struct svc_rqst *rd_rqstp; /* response */
struct svc_fh * rd_fhp; /* response */
};
struct nfsd4_readdir {
u64 rd_cookie; /* request */
nfs4_verifier rd_verf; /* request */
u32 rd_dircount; /* request */
u32 rd_maxcount; /* request */
u32 rd_bmval[3]; /* request */
struct svc_rqst *rd_rqstp; /* response */
struct svc_fh * rd_fhp; /* response */
struct readdir_cd common;
struct xdr_stream *xdr;
int cookie_offset;
};
struct nfsd4_release_lockowner {
clientid_t rl_clientid;
struct xdr_netobj rl_owner;
};
struct nfsd4_readlink {
struct svc_rqst *rl_rqstp; /* request */
struct svc_fh * rl_fhp; /* request */
};
struct nfsd4_remove {
u32 rm_namelen; /* request */
char * rm_name; /* request */
struct nfsd4_change_info rm_cinfo; /* response */
};
struct nfsd4_rename {
u32 rn_snamelen; /* request */
char * rn_sname; /* request */
u32 rn_tnamelen; /* request */
char * rn_tname; /* request */
struct nfsd4_change_info rn_sinfo; /* response */
struct nfsd4_change_info rn_tinfo; /* response */
};
struct nfsd4_secinfo {
u32 si_namelen; /* request */
char *si_name; /* request */
struct svc_export *si_exp; /* response */
};
struct nfsd4_secinfo_no_name {
u32 sin_style; /* request */
struct svc_export *sin_exp; /* response */
};
struct nfsd4_setattr {
stateid_t sa_stateid; /* request */
u32 sa_bmval[3]; /* request */
struct iattr sa_iattr; /* request */
struct nfs4_acl *sa_acl;
struct xdr_netobj sa_label;
};
struct nfsd4_setclientid {
nfs4_verifier se_verf; /* request */
struct xdr_netobj se_name;
u32 se_callback_prog; /* request */
u32 se_callback_netid_len; /* request */
char * se_callback_netid_val; /* request */
u32 se_callback_addr_len; /* request */
char * se_callback_addr_val; /* request */
u32 se_callback_ident; /* request */
clientid_t se_clientid; /* response */
nfs4_verifier se_confirm; /* response */
};
struct nfsd4_setclientid_confirm {
clientid_t sc_clientid;
nfs4_verifier sc_confirm;
};
struct nfsd4_saved_compoundargs {
__be32 *p;
__be32 *end;
int pagelen;
struct page **pagelist;
};
struct nfsd4_test_stateid_id {
__be32 ts_id_status;
stateid_t ts_id_stateid;
struct list_head ts_id_list;
};
struct nfsd4_test_stateid {
u32 ts_num_ids;
struct list_head ts_stateid_list;
};
struct nfsd4_free_stateid {
stateid_t fr_stateid; /* request */
};
/* also used for NVERIFY */
struct nfsd4_verify {
u32 ve_bmval[3]; /* request */
u32 ve_attrlen; /* request */
char * ve_attrval; /* request */
};
struct nfsd4_write {
stateid_t wr_stateid; /* request */
u64 wr_offset; /* request */
u32 wr_stable_how; /* request */
u32 wr_buflen; /* request */
struct kvec wr_head;
struct page ** wr_pagelist; /* request */
u32 wr_bytes_written; /* response */
u32 wr_how_written; /* response */
nfs4_verifier wr_verifier; /* response */
};
struct nfsd4_exchange_id {
nfs4_verifier verifier;
struct xdr_netobj clname;
u32 flags;
clientid_t clientid;
u32 seqid;
int spa_how;
u32 spo_must_enforce[3];
u32 spo_must_allow[3];
};
struct nfsd4_sequence {
struct nfs4_sessionid sessionid; /* request/response */
u32 seqid; /* request/response */
u32 slotid; /* request/response */
u32 maxslots; /* request/response */
u32 cachethis; /* request */
#if 0
u32 target_maxslots; /* response */
#endif /* not yet */
u32 status_flags; /* response */
};
struct nfsd4_destroy_session {
struct nfs4_sessionid sessionid;
};
struct nfsd4_destroy_clientid {
clientid_t clientid;
};
struct nfsd4_reclaim_complete {
u32 rca_one_fs;
};
struct nfsd4_deviceid {
u64 fsid_idx;
u32 generation;
u32 pad;
};
struct nfsd4_layout_seg {
u32 iomode;
u64 offset;
u64 length;
};
struct nfsd4_getdeviceinfo {
struct nfsd4_deviceid gd_devid; /* request */
u32 gd_layout_type; /* request */
u32 gd_maxcount; /* request */
u32 gd_notify_types;/* request - response */
void *gd_device; /* response */
};
struct nfsd4_layoutget {
u64 lg_minlength; /* request */
u32 lg_signal; /* request */
u32 lg_layout_type; /* request */
u32 lg_maxcount; /* request */
stateid_t lg_sid; /* request/response */
struct nfsd4_layout_seg lg_seg; /* request/response */
void *lg_content; /* response */
};
struct nfsd4_layoutcommit {
stateid_t lc_sid; /* request */
struct nfsd4_layout_seg lc_seg; /* request */
u32 lc_reclaim; /* request */
u32 lc_newoffset; /* request */
u64 lc_last_wr; /* request */
struct timespec lc_mtime; /* request */
u32 lc_layout_type; /* request */
u32 lc_up_len; /* layout length */
void *lc_up_layout; /* decoded by callback */
u32 lc_size_chg; /* boolean for response */
u64 lc_newsize; /* response */
};
struct nfsd4_layoutreturn {
u32 lr_return_type; /* request */
u32 lr_layout_type; /* request */
struct nfsd4_layout_seg lr_seg; /* request */
u32 lr_reclaim; /* request */
u32 lrf_body_len; /* request */
void *lrf_body; /* request */
stateid_t lr_sid; /* request/response */
u32 lrs_present; /* response */
};
struct nfsd4_fallocate {
/* request */
stateid_t falloc_stateid;
loff_t falloc_offset;
u64 falloc_length;
};
struct nfsd4_clone {
/* request */
stateid_t cl_src_stateid;
stateid_t cl_dst_stateid;
u64 cl_src_pos;
u64 cl_dst_pos;
u64 cl_count;
};
struct nfsd42_write_res {
u64 wr_bytes_written;
u32 wr_stable_how;
nfs4_verifier wr_verifier;
};
struct nfsd4_copy {
/* request */
stateid_t cp_src_stateid;
stateid_t cp_dst_stateid;
u64 cp_src_pos;
u64 cp_dst_pos;
u64 cp_count;
/* both */
bool cp_consecutive;
bool cp_synchronous;
/* response */
struct nfsd42_write_res cp_res;
};
struct nfsd4_seek {
/* request */
stateid_t seek_stateid;
loff_t seek_offset;
u32 seek_whence;
/* response */
u32 seek_eof;
loff_t seek_pos;
};
struct nfsd4_op {
int opnum;
__be32 status;
union nfsd4_op_u {
struct nfsd4_access access;
struct nfsd4_close close;
struct nfsd4_commit commit;
struct nfsd4_create create;
struct nfsd4_delegreturn delegreturn;
struct nfsd4_getattr getattr;
struct svc_fh * getfh;
struct nfsd4_link link;
struct nfsd4_lock lock;
struct nfsd4_lockt lockt;
struct nfsd4_locku locku;
struct nfsd4_lookup lookup;
struct nfsd4_verify nverify;
struct nfsd4_open open;
struct nfsd4_open_confirm open_confirm;
struct nfsd4_open_downgrade open_downgrade;
struct nfsd4_putfh putfh;
struct nfsd4_read read;
struct nfsd4_readdir readdir;
struct nfsd4_readlink readlink;
struct nfsd4_remove remove;
struct nfsd4_rename rename;
clientid_t renew;
struct nfsd4_secinfo secinfo;
struct nfsd4_setattr setattr;
struct nfsd4_setclientid setclientid;
struct nfsd4_setclientid_confirm setclientid_confirm;
struct nfsd4_verify verify;
struct nfsd4_write write;
struct nfsd4_release_lockowner release_lockowner;
/* NFSv4.1 */
struct nfsd4_exchange_id exchange_id;
struct nfsd4_backchannel_ctl backchannel_ctl;
struct nfsd4_bind_conn_to_session bind_conn_to_session;
struct nfsd4_create_session create_session;
struct nfsd4_destroy_session destroy_session;
struct nfsd4_destroy_clientid destroy_clientid;
struct nfsd4_sequence sequence;
struct nfsd4_reclaim_complete reclaim_complete;
struct nfsd4_test_stateid test_stateid;
struct nfsd4_free_stateid free_stateid;
struct nfsd4_getdeviceinfo getdeviceinfo;
struct nfsd4_layoutget layoutget;
struct nfsd4_layoutcommit layoutcommit;
struct nfsd4_layoutreturn layoutreturn;
struct nfsd4_secinfo_no_name secinfo_no_name;
/* NFSv4.2 */
struct nfsd4_fallocate allocate;
struct nfsd4_fallocate deallocate;
struct nfsd4_clone clone;
struct nfsd4_copy copy;
struct nfsd4_seek seek;
} u;
struct nfs4_replay * replay;
};
bool nfsd4_cache_this_op(struct nfsd4_op *);
/*
* Memory needed just for the duration of processing one compound:
*/
struct svcxdr_tmpbuf {
struct svcxdr_tmpbuf *next;
char buf[];
};
struct nfsd4_compoundargs {
/* scratch variables for XDR decode */
__be32 * p;
__be32 * end;
struct page ** pagelist;
int pagelen;
__be32 tmp[8];
__be32 * tmpp;
struct svcxdr_tmpbuf *to_free;
struct svc_rqst *rqstp;
u32 taglen;
char * tag;
u32 minorversion;
u32 opcnt;
struct nfsd4_op *ops;
struct nfsd4_op iops[8];
int cachetype;
};
struct nfsd4_compoundres {
/* scratch variables for XDR encode */
struct xdr_stream xdr;
struct svc_rqst * rqstp;
u32 taglen;
char * tag;
u32 opcnt;
__be32 * tagp; /* tag, opcount encode location */
struct nfsd4_compound_state cstate;
};
static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
{
struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
}
static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
{
return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
|| nfsd4_is_solo_sequence(resp);
}
static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
{
struct nfsd4_compoundres *resp = rqstp->rq_resp;
struct nfsd4_compoundargs *argp = rqstp->rq_argp;
return argp->opcnt == resp->opcnt;
}
int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op);
void warn_on_nonidempotent_op(struct nfsd4_op *op);
#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs)
static inline void
set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
{
BUG_ON(!fhp->fh_pre_saved);
cinfo->atomic = (u32)fhp->fh_post_saved;
cinfo->change_supported = IS_I_VERSION(d_inode(fhp->fh_dentry));
cinfo->before_change = fhp->fh_pre_change;
cinfo->after_change = fhp->fh_post_change;
cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
}
bool nfsd4_mach_creds_match(struct nfs4_client *cl, struct svc_rqst *rqstp);
int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *);
int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *);
int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *);
__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op);
__be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words,
struct svc_fh *fhp, struct svc_export *exp,
struct dentry *dentry,
u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_create_session(struct svc_rqst *,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_sequence(struct svc_rqst *,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp);
extern __be32 nfsd4_destroy_session(struct svc_rqst *,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
struct nfsd4_open *open, struct nfsd_net *nn);
extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
struct svc_fh *current_fh, struct nfsd4_open *open);
extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate);
extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate,
struct nfsd4_open *open);
extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_close(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32 nfsd4_locku(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32
nfsd4_release_lockowner(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern void nfsd4_release_compoundargs(struct svc_rqst *rqstp);
extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *u);
extern __be32 nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
union nfsd4_op_u *u);
extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *);
extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
struct nfsd4_compound_state *, union nfsd4_op_u *);
extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
#endif
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
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