fs/nfsserver/nfs_nfsdstate.c

74 static void nfsrv_freenfslock(struct nfslock *lop);
661 	struct nfslock *lop;
691 		    LIST_FOREACH(lop, &lckownstp->ls_lock, lo_lckowner) {
717 	struct nfslock *lop;
780 	lop = LIST_FIRST(&lfp->lf_lock);
781 	while (lop != LIST_END(&lfp->lf_lock) && cnt < maxcnt) {
782 		stp = lop->lo_stp;
783 		ldumpp[cnt].ndlck_flags = lop->lo_flags;
784 		ldumpp[cnt].ndlck_first = lop->lo_first;
785 		ldumpp[cnt].ndlck_end = lop->lo_end;
805 		lop = LIST_NEXT(lop, lo_lckfile);
1164 	struct nfslock *lop, *nlop;
1171 	lop = LIST_FIRST(&stp->ls_lock);
1172 	while (lop != LIST_END(&stp->ls_lock)) {
1173 		nlop = LIST_NEXT(lop, lo_lckowner);
1179 			lfp = lop->lo_lfp;
1180 		else if (lfp != lop->lo_lfp)
1200 			first = lop->lo_first;
1201 			end = lop->lo_end;
1202 			nfsrv_freenfslock(lop);
1209 			nfsrv_freenfslock(lop);
1210 		lop = nlop;
1220 nfsrv_freenfslock(struct nfslock *lop)
1223 	if (lop->lo_lckfile.le_prev != NULL) {
1224 		LIST_REMOVE(lop, lo_lckfile);
1228 	LIST_REMOVE(lop, lo_lckowner);
1229 	FREE((caddr_t)lop, M_NFSDLOCK);
1313 	struct nfslock *lop;
1809 	  LIST_FOREACH(lop, &lfp->lf_lock, lo_lckfile) {
1810 	    if (new_lop->lo_end > lop->lo_first &&
1811 		new_lop->lo_first < lop->lo_end &&
1813 		 lop->lo_flags == NFSLCK_WRITE) &&
1814 		lckstp != lop->lo_stp &&
1815 		(clp != lop->lo_stp->ls_clp ||
1816 		 lckstp->ls_ownerlen != lop->lo_stp->ls_ownerlen ||
1817 		 NFSBCMP(lckstp->ls_owner, lop->lo_stp->ls_owner,
1823 		ret = nfsrv_clientconflict(lop->lo_stp->ls_clp,&haslock,vp,p);
1844 		    cfp->cl_clientid.lval[0]=lop->lo_stp->ls_stateid.other[0];
1845 		    cfp->cl_clientid.lval[1]=lop->lo_stp->ls_stateid.other[1];
1846 		    cfp->cl_first = lop->lo_first;
1847 		    cfp->cl_end = lop->lo_end;
1848 		    cfp->cl_flags = lop->lo_flags;
1849 		    cfp->cl_ownerlen = lop->lo_stp->ls_ownerlen;
1850 		    NFSBCOPY(lop->lo_stp->ls_owner, cfp->cl_owner,
3235 	struct nfslock *lop, *nlop;
3242 		lop = LIST_FIRST(&lfp->lf_lock);
3243 		if (lop == LIST_END(&lfp->lf_lock) ||
3244 		    new_lop->lo_first <= lop->lo_first) {
3247 			nlop = LIST_NEXT(lop, lo_lckfile);
3250 				lop = nlop;
3251 				nlop = LIST_NEXT(lop, lo_lckfile);
3253 			LIST_INSERT_AFTER(lop, new_lop, lo_lckfile);
3287 	struct nfslock *lop, *tlop, *ilop;
3299 		lop = LIST_FIRST(&stp->ls_lock);
3302 		lop = LIST_FIRST(&lfp->lf_locallock);
3304 	while (lop != NULL) {
3309 	    if (lop->lo_lfp == lfp) {
3311 	      if (lop->lo_end >= new_lop->lo_first) {
3312 		if (new_lop->lo_end < lop->lo_first) {
3320 		if (new_lop->lo_flags == lop->lo_flags ||
3321 		    (new_lop->lo_first <= lop->lo_first &&
3322 		     new_lop->lo_end >= lop->lo_end)) {
3330 			if (lop->lo_first < new_lop->lo_first)
3331 				new_lop->lo_first = lop->lo_first;
3332 			if (lop->lo_end > new_lop->lo_end)
3333 				new_lop->lo_end = lop->lo_end;
3334 			tlop = lop;
3335 			lop = LIST_NEXT(lop, lo_lckowner);
3344 		if (new_lop->lo_first <= lop->lo_first) {
3352 			lop->lo_first = new_lop->lo_end;
3355 		if (new_lop->lo_end >= lop->lo_end) {
3364 			lop->lo_end = new_lop->lo_first;
3365 			ilop = lop;
3366 			lop = LIST_NEXT(lop, lo_lckowner);
3387 		other_lop->lo_end = lop->lo_end;
3388 		other_lop->lo_flags = lop->lo_flags;
3391 		lop->lo_end = tmp;
3392 		nfsrv_insertlock(other_lop, lop, stp, lfp);
3394 		ilop = lop;
3398 	    ilop = lop;
3399 	    lop = LIST_NEXT(lop, lo_lckowner);
3400 	    if (myfile && (lop == NULL || lop->lo_lfp != lfp))
4730 	struct nfslock lo, *lop = &lo;
4736 		lop->lo_first = nvap->na_size;
4739 		lop->lo_first = 0;
4748 	lop->lo_end = NFS64BITSSET;
4749 	lop->lo_flags = NFSLCK_WRITE;
4757 	error = nfsrv_lockctrl(vp, &stp, &lop, NULL, clientid,
4997 	struct nfslock *lop, *nlop;
5001 	lop = LIST_FIRST(&lfp->lf_locallock);
5002 	while (first < end && lop != NULL) {
5003 		nlop = LIST_NEXT(lop, lo_lckowner);
5004 		if (first >= lop->lo_end) {
5006 			lop = nlop;
5007 		} else if (first < lop->lo_first) {
5009 			if (end <= lop->lo_first) {
5019 				    NFSLCK_UNLOCK, first, lop->lo_first, cfp,
5023 				first = lop->lo_first;
5027 			if (end <= lop->lo_end) {
5030 				    lop->lo_flags, first, end, cfp, p);
5037 				    lop->lo_flags, first, lop->lo_end, cfp, p);
5040 				first = lop->lo_end;
5041 				lop = nlop;
5067 	struct nfslock *lop;
5075 		LIST_FOREACH(lop, &lfp->lf_lock, lo_lckfile) {
5076 			KASSERT(prevfirst <= lop->lo_first,
5078 			KASSERT(lop->lo_first < lop->lo_end,
5080 			prevfirst = lop->lo_first;
5081 			if (first >= lop->lo_first &&
5082 			    first < lop->lo_end)
5088 				first = lop->lo_end;
5089 			else if (end > lop->lo_first &&
5090 			    lop->lo_first > first) {
5096 				end = lop->lo_first;