linux/fs/lockd/xdr4.c

// SPDX-License-Identifier: GPL-2.0
/*
 * linux/fs/lockd/xdr4.c
 *
 * XDR support for lockd and the lock client.
 *
 * Copyright (C) 1995, 1996 Olaf Kirch <[email protected]>
 * Copyright (C) 1999, Trond Myklebust <[email protected]>
 */

#include <linux/types.h>
#include <linux/sched.h>
#include <linux/nfs.h>

#include <linux/sunrpc/xdr.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/stats.h>
#include <linux/lockd/lockd.h>

#include "svcxdr.h"

static inline s64
loff_t_to_s64(loff_t offset)
{ … }

void nlm4svc_set_file_lock_range(struct file_lock *fl, u64 off, u64 len)
{ … }

/*
 * NLM file handles are defined by specification to be a variable-length
 * XDR opaque no longer than 1024 bytes. However, this implementation
 * limits their length to the size of an NFSv3 file handle.
 */
static bool
svcxdr_decode_fhandle(struct xdr_stream *xdr, struct nfs_fh *fh)
{ … }

static bool
svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
{ … }

static bool
svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
{ … }

static bool
svcxdr_encode_testrply(struct xdr_stream *xdr, const struct nlm_res *resp)
{ … }


/*
 * Decode Call arguments
 */

bool
nlm4svc_decode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_reboot(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_decode_notify(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }


/*
 * Encode Reply results
 */

bool
nlm4svc_encode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_encode_testres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_encode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }

bool
nlm4svc_encode_shareres(struct svc_rqst *rqstp, struct xdr_stream *xdr)
{ … }