Commit 1beef147 authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields
Browse files

lockd: Update the NLMv4 TEST results encoder to use struct xdr_stream

parent ec757e42
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+36 −38
Original line number Diff line number Diff line
@@ -20,8 +20,6 @@

#include "svcxdr.h"

#define NLMDBG_FACILITY		NLMDBG_XDR

static inline loff_t
s64_to_loff_t(__s64 offset)
{
@@ -110,44 +108,44 @@ svcxdr_decode_lock(struct xdr_stream *xdr, struct nlm_lock *lock)
	return true;
}

/*
 * Encode result of a TEST/TEST_MSG call
 */
static __be32 *
nlm4_encode_testres(__be32 *p, struct nlm_res *resp)
static bool
svcxdr_encode_holder(struct xdr_stream *xdr, const struct nlm_lock *lock)
{
	const struct file_lock *fl = &lock->fl;
	s64 start, len;

	dprintk("xdr: before encode_testres (p %p resp %p)\n", p, resp);
	if (!(p = nlm4_encode_cookie(p, &resp->cookie)))
		return NULL;
	*p++ = resp->status;

	if (resp->status == nlm_lck_denied) {
		struct file_lock	*fl = &resp->lock.fl;

		*p++ = (fl->fl_type == F_RDLCK)? xdr_zero : xdr_one;
		*p++ = htonl(resp->lock.svid);

		/* Encode owner handle. */
		if (!(p = xdr_encode_netobj(p, &resp->lock.oh)))
			return NULL;

	/* exclusive */
	if (xdr_stream_encode_bool(xdr, fl->fl_type != F_RDLCK) < 0)
		return false;
	if (xdr_stream_encode_u32(xdr, lock->svid) < 0)
		return false;
	if (!svcxdr_encode_owner(xdr, &lock->oh))
		return false;
	start = loff_t_to_s64(fl->fl_start);
	if (fl->fl_end == OFFSET_MAX)
		len = 0;
	else
		len = loff_t_to_s64(fl->fl_end - fl->fl_start + 1);
	if (xdr_stream_encode_u64(xdr, start) < 0)
		return false;
	if (xdr_stream_encode_u64(xdr, len) < 0)
		return false;

		p = xdr_encode_hyper(p, start);
		p = xdr_encode_hyper(p, len);
		dprintk("xdr: encode_testres (status %u pid %d type %d start %Ld end %Ld)\n",
			resp->status, (int)resp->lock.svid, fl->fl_type,
			(long long)fl->fl_start,  (long long)fl->fl_end);
	return true;
}

	dprintk("xdr: after encode_testres (p %p resp %p)\n", p, resp);
	return p;
static bool
svcxdr_encode_testrply(struct xdr_stream *xdr, const struct nlm_res *resp)
{
	if (!svcxdr_encode_stats(xdr, resp->status))
		return false;
	switch (resp->status) {
	case nlm_lck_denied:
		if (!svcxdr_encode_holder(xdr, &resp->lock))
			return false;
	}

	return true;
}


@@ -338,11 +336,11 @@ nlm4svc_encode_void(struct svc_rqst *rqstp, __be32 *p)
int
nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
{
	struct xdr_stream *xdr = &rqstp->rq_res_stream;
	struct nlm_res *resp = rqstp->rq_resp;

	if (!(p = nlm4_encode_testres(p, resp)))
		return 0;
	return xdr_ressize_check(rqstp, p);
	return svcxdr_encode_cookie(xdr, &resp->cookie) &&
		svcxdr_encode_testrply(xdr, resp);
}

int