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Lines Matching defs:nh

134 	struct nfsheur *nh;
140 	nh = &nfsheur[hi];
143 			nh = &nfsheur[hi];
149 		if (nfsheur[hi].nh_use < nh->nh_use)
150 			nh = &nfsheur[hi];
154 	if (nh->nh_vp != vp) {
155 		nh->nh_vp = vp;
156 		nh->nh_nextoff = uio->uio_offset;
157 		nh->nh_use = NHUSE_INIT;
159 			nh->nh_seqcount = 4;
161 			nh->nh_seqcount = 1;
165 	if ((uio->uio_offset == 0 && nh->nh_seqcount > 0) ||
166 	    uio->uio_offset == nh->nh_nextoff) {
168 		nh->nh_seqcount += howmany(uio->uio_resid, 16384);
169 		if (nh->nh_seqcount > IO_SEQMAX)
170 			nh->nh_seqcount = IO_SEQMAX;
171 	} else if (qabs(uio->uio_offset - nh->nh_nextoff) <= MAX_REORDERED_RPC *
174 	} else if (nh->nh_seqcount > 1) {
175 		nh->nh_seqcount /= 2;
177 		nh->nh_seqcount = 0;
179 	nh->nh_use += NHUSE_INC;
180 	if (nh->nh_use > NHUSE_MAX)
181 		nh->nh_use = NHUSE_MAX;
182 	return (nh);
648 	struct nfsheur *nh;
695 	nh = nfsrv_sequential_heuristic(uiop, vp);
696 	ioflag |= nh->nh_seqcount << IO_SEQSHIFT;
706 	nh->nh_nextoff = uiop->uio_offset;
735 	struct nfsheur *nh;
769 	nh = nfsrv_sequential_heuristic(uiop, vp);
770 	ioflags |= nh->nh_seqcount << IO_SEQSHIFT;
775 		nh->nh_nextoff = uiop->uio_offset;