sys/nlm/nlm_advlock.c

77     struct vnode *vp, int op, struct flock *fl, int flags,
81     struct vnode *vp, int op, struct flock *fl, int flags,
85     struct vnode *vp, int op, struct flock *fl, int flags,
90 static int nlm_init_lock(struct flock *fl, int flags, int svid,
194 nlm_advlock_internal(struct vnode *vp, void *id, int op, struct flock *fl,
270 		KASSERT(fl->l_start == 0 && fl->l_len == 0,
286 		svid = fl->l_pid;
294 		    && fl->l_type == F_WRLCK) {
307 			    vp, F_SETLK, fl, flags & ~F_WAIT,
310 				fl->l_type = F_UNLCK;
312 				    retries, vp, F_UNLCK, fl, flags,
314 				fl->l_type = F_WRLCK;
324 					    &timo, retries, vp, F_SETLK, fl,
331 			    vp, op, fl, flags, svid, fhlen, &fh.fh_bytes,
354 		    vp, op, fl, flags, svid, fhlen, &fh.fh_bytes, size);
367 		    vp, op, fl, flags, svid, fhlen, &fh.fh_bytes, size);
402 nlm_set_creds_for_lock(struct thread *td, struct flock *fl)
410 	if (fl->l_pid > PID_MAX) {
420 				if (ns->ns_svid == fl->l_pid) {
432 		p = pfind(fl->l_pid);
451 nlm_reclaim_free_lock(struct vnode *vp, struct flock *fl, void *arg)
458 	newfl = *fl;
488 nlm_client_recover_lock(struct vnode *vp, struct flock *fl, void *arg)
509 	nlm_set_creds_for_lock(td, fl);
511 	error = nlm_advlock_internal(vp, NULL, F_SETLK, fl, F_REMOTE,
695 nlm_record_lock(struct vnode *vp, int op, struct flock *fl,
710 	newfl.l_start = fl->l_start;
711 	newfl.l_len = fl->l_len;
712 	newfl.l_type = fl->l_type;
713 	newfl.l_whence = fl->l_whence;
760     struct vnode *vp, int op, struct flock *fl, int flags,
777 	exclusive = (fl->l_type == F_WRLCK);
779 	error = nlm_init_lock(fl, flags, svid, vers, fhlen, fh, size,
946 			nlm_record_lock(vp, op, fl, args.alock.svid,
958     struct vnode *vp, int op, struct flock *fl, int flags,
972 	error = nlm_init_lock(fl, flags, svid, vers, fhlen, fh, size,
1023 			nlm_record_lock(vp, op, fl, args.alock.svid,
1033     struct vnode *vp, int op, struct flock *fl, int flags,
1050 	exclusive = (fl->l_type == F_WRLCK);
1052 	error = nlm_init_lock(fl, flags, svid, vers, fhlen, fh, size,
1096 			fl->l_start = h->l_offset;
1097 			fl->l_len = h->l_len;
1098 			fl->l_pid = h->svid;
1100 				fl->l_type = F_WRLCK;
1102 				fl->l_type = F_RDLCK;
1103 			fl->l_whence = SEEK_SET;
1104 			fl->l_sysid = 0;
1106 			fl->l_type = F_UNLCK;
1220 nlm_init_lock(struct flock *fl, int flags, int svid,
1227 	if (fl->l_whence == SEEK_END) {
1229 		    || (fl->l_start > 0 && size > OFF_MAX - fl->l_start))
1231 		start = size + fl->l_start;
1232 	} else if (fl->l_whence == SEEK_SET || fl->l_whence == SEEK_CUR) {
1233 		start = fl->l_start;
1239 	if (fl->l_len < 0) {
1240 		len = -fl->l_len;
1245 		len = fl->l_len;