156 enum partialfilelock_status lock_partialfilelock(struct file_lock *fl);
158 void send_granted(struct file_lock *fl, int opcode);
170 void	deallocate_file_lock(struct file_lock *fl);
171 void	fill_file_lock(struct file_lock *fl, const fhandle_t *fh,
189 void dump_filelock(const struct file_lock *fl);
190 struct file_lock *	get_lock_matching_unlock(const struct file_lock *fl);
191 enum nfslock_status	test_nfslock(const struct file_lock *fl,
193 enum nfslock_status	lock_nfslock(struct file_lock *fl);
194 enum nfslock_status	delete_nfslock(struct file_lock *fl);
195 enum nfslock_status	unlock_nfslock(const struct file_lock *fl,
198 enum hwlock_status lock_hwlock(struct file_lock *fl);
202 int	duplicate_block(struct file_lock *fl);
203 void	add_blockingfilelock(struct file_lock *fl);
204 enum hwlock_status	unlock_hwlock(const struct file_lock *fl);
205 enum hwlock_status	test_hwlock(const struct file_lock *fl,
207 void	remove_blockingfilelock(struct file_lock *fl);
211     const struct file_lock *fl);
214     const struct file_lock *fl, struct file_lock **conflicting_fl);
215 enum nlm_stats	do_test(struct file_lock *fl,
217 enum nlm_stats	do_unlock(struct file_lock *fl);
218 enum nlm_stats	do_lock(struct file_lock *fl);
318 dump_filelock(const struct file_lock *fl)  in dump_filelock()  argument
329 	if (fl != NULL) {  in dump_filelock()
330 		debuglog("Dumping file lock structure @ %p\n", fl);  in dump_filelock()
333 		dump_static_object((unsigned char *)&fl->filehandle,  in dump_filelock()
334 		    sizeof(fl->filehandle), hbuff, sizeof(hbuff),  in dump_filelock()
341 		    fl->client.exclusive, fl->client.svid,  in dump_filelock()
342 		    fl->client.l_offset, fl->client.l_len);  in dump_filelock()
346 		dump_netobj(&fl->client.oh);  in dump_filelock()
349 		dump_netobj(&fl->client_cookie);  in dump_filelock()
352 		    "  client_name: %s\n", fl->nsm_status, fl->status,  in dump_filelock()
353 		    fl->flags, fl->client.svid, fl->client_name);  in dump_filelock()
433 fill_file_lock(struct file_lock *fl, const fhandle_t *fh,  in fill_file_lock()  argument
438 	bcopy(fh, &fl->filehandle, sizeof(fhandle_t));  in fill_file_lock()
440 	fl->client.exclusive = exclusive;  in fill_file_lock()
441 	fl->client.svid = svid;  in fill_file_lock()
442 	fl->client.l_offset = offset;  in fill_file_lock()
443 	fl->client.l_len = len;  in fill_file_lock()
445 	fl->nsm_status = state;  in fill_file_lock()
446 	fl->status = status;  in fill_file_lock()
447 	fl->flags = flags;  in fill_file_lock()
448 	fl->blocking = blocking;  in fill_file_lock()
455 deallocate_file_lock(struct file_lock *fl)  in deallocate_file_lock()  argument
457 	free(fl->addr);  in deallocate_file_lock()
458 	free(fl->client.oh.n_bytes);  in deallocate_file_lock()
459 	free(fl->client_cookie.n_bytes);  in deallocate_file_lock()
460 	free(fl);  in deallocate_file_lock()
714 get_lock_matching_unlock(const struct file_lock *fl)  in get_lock_matching_unlock()  argument
720 	dump_filelock(fl);  in get_lock_matching_unlock()
735 		if (bcmp(&fl->filehandle, &ifl->filehandle, sizeof(fhandle_t)))  in get_lock_matching_unlock()
742 		if (!regions_overlap(fl->client.l_offset, fl->client.l_len,  in get_lock_matching_unlock()
748 		    fl->client.l_offset,fl->client.l_len,  in get_lock_matching_unlock()
752 		if (!same_filelock_identity(fl,ifl))  in get_lock_matching_unlock()
778 test_nfslock(const struct file_lock *fl, struct file_lock **conflicting_fl)  in test_nfslock()  argument
793 	dump_filelock(fl);  in test_nfslock()
815 		if (bcmp(&fl->filehandle, &ifl->filehandle, sizeof(fhandle_t)))  in test_nfslock()
821 		if (!regions_overlap(fl->client.l_offset, fl->client.l_len,  in test_nfslock()
827 		    fl->client.l_offset,fl->client.l_len,  in test_nfslock()
831 		if (!(fl->client.exclusive || ifl->client.exclusive))  in test_nfslock()
835 		    fl->client.exclusive,  in test_nfslock()
838 		if (same_filelock_identity(fl,ifl)) {  in test_nfslock()
846 			dump_filelock(fl);  in test_nfslock()
879 lock_nfslock(struct file_lock *fl)  in lock_nfslock()  argument
888 	retval = test_nfslock(fl,&dummy_fl);  in lock_nfslock()
892 		dump_filelock(fl);  in lock_nfslock()
893 		LIST_INSERT_HEAD(&nfslocklist_head, fl, nfslocklist);  in lock_nfslock()
913 delete_nfslock(struct file_lock *fl)  in delete_nfslock()  argument
916 	LIST_REMOVE(fl, nfslocklist);  in delete_nfslock()
968 unlock_nfslock(fl, released_lock, left_lock, right_lock)  in unlock_nfslock()  argument
969 	const struct file_lock *fl;  in unlock_nfslock()
987 	mfl = get_lock_matching_unlock(fl);
992 		spstatus = split_nfslock(mfl, fl, left_lock, right_lock);
994 		debuglog("Split returned %d %p %p %p %p\n",spstatus,mfl,fl,*left_lock,*right_lock);
997 		dump_filelock(fl);
1043 lock_hwlock(struct file_lock *fl)  in lock_hwlock()  argument
1050 		if (bcmp(&fl->filehandle, &imf->filehandle,  in lock_hwlock()
1051 			sizeof(fl->filehandle)) == 0) {  in lock_hwlock()
1075 	nmf->fd = fhopen(&fl->filehandle, O_RDWR);  in lock_hwlock()
1078 		    fl->client_name, strerror(errno));  in lock_hwlock()
1091 	bcopy(&fl->filehandle, &nmf->filehandle, sizeof(fl->filehandle));  in lock_hwlock()
1093 	nmf->exclusive = fl->client.exclusive;  in lock_hwlock()
1102 		    fl->client_name, strerror(errno));  in lock_hwlock()
1121 	debuglog("flock succeeded (from %16s)\n", fl->client_name);  in lock_hwlock()
1126 unlock_hwlock(const struct file_lock *fl)  in unlock_hwlock()  argument
1135 		if (bcmp(&fl->filehandle, &imf->filehandle,  in unlock_hwlock()
1136 			sizeof(fl->filehandle)) == 0) {  in unlock_hwlock()
1167 test_hwlock(fl, conflicting_fl)  in test_hwlock()  argument
1168 	const struct file_lock *fl __unused;  in test_hwlock()
1188 duplicate_block(struct file_lock *fl)  in duplicate_block()  argument
1201 		if (!bcmp(&fl->filehandle, &ifl->filehandle,  in duplicate_block()
1203 		    fl->client.exclusive == ifl->client.exclusive &&  in duplicate_block()
1204 		    fl->client.l_offset == ifl->client.l_offset &&  in duplicate_block()
1205 		    fl->client.l_len == ifl->client.l_len &&  in duplicate_block()
1206 		    same_filelock_identity(fl, ifl)) {  in duplicate_block()
1218 add_blockingfilelock(struct file_lock *fl)  in add_blockingfilelock()  argument
1229 	if (duplicate_block(fl)) {  in add_blockingfilelock()
1239 	fl->blocking = 0;  in add_blockingfilelock()
1240 	LIST_INSERT_HEAD(&blockedlocklist_head, fl, nfslocklist);  in add_blockingfilelock()
1246 remove_blockingfilelock(struct file_lock *fl)  in remove_blockingfilelock()  argument
1251 	LIST_REMOVE(fl, nfslocklist);  in remove_blockingfilelock()
1352 lock_partialfilelock(struct file_lock *fl)  in lock_partialfilelock()  argument
1367 	lnlstatus = lock_nfslock(fl);  in lock_partialfilelock()
1376 		hwstatus = lock_hwlock(fl);  in lock_partialfilelock()
1392 			monitor_lock_host(fl->client_name);  in lock_partialfilelock()
1411 			delete_nfslock(fl);  in lock_partialfilelock()
1434 		if (fl->blocking == 1) {  in lock_partialfilelock()
1439 				add_blockingfilelock(fl);  in lock_partialfilelock()
1440 				dump_filelock(fl);  in lock_partialfilelock()
1444 				dump_filelock(fl);  in lock_partialfilelock()
1449 			dump_filelock(fl);  in lock_partialfilelock()
1468 unlock_partialfilelock(const struct file_lock *fl)  in unlock_partialfilelock()  argument
1508 		unlstatus = unlock_nfslock(fl, &releasedfl, &lfl, &rfl);  in unlock_partialfilelock()
1537 			unlhwstatus = unlock_hwlock(fl);  in unlock_partialfilelock()
1572 			dump_filelock(fl);  in unlock_partialfilelock()
1577 			if (fl == releasedfl) {  in unlock_partialfilelock()
1659 test_partialfilelock(const struct file_lock *fl,  in test_partialfilelock()  argument
1669 	teststatus = test_nfslock(fl, conflicting_fl);  in test_partialfilelock()
1677 		dump_filelock(fl);  in test_partialfilelock()
1683 		dump_filelock(fl);  in test_partialfilelock()
1704 do_test(struct file_lock *fl, struct file_lock **conflicting_fl)  in do_test()  argument
1711 	pfsret = test_partialfilelock(fl,conflicting_fl);  in do_test()
1716 		dump_filelock(fl);  in do_test()
1718 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_test()
1722 		dump_filelock(fl);  in do_test()
1726 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_test()
1731 		dump_filelock(fl);  in do_test()
1733 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_test()
1738 		dump_filelock(fl);  in do_test()
1740 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_test()
1744 		dump_filelock(fl);  in do_test()
1746 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_test()
1763 do_lock(struct file_lock *fl)  in do_lock()  argument
1770 	pfsret = lock_partialfilelock(fl);  in do_lock()
1775 		dump_filelock(fl);  in do_lock()
1776 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_lock()
1780 		dump_filelock(fl);  in do_lock()
1781 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_lock()
1786 		dump_filelock(fl);  in do_lock()
1787 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_lock()
1792 		dump_filelock(fl);  in do_lock()
1793 		retval = (fl->flags & LOCK_V4) ? nlm4_blocked : nlm_blocked;  in do_lock()
1798 		dump_filelock(fl);  in do_lock()
1799 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_lock()
1803 		dump_filelock(fl);  in do_lock()
1804 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_lock()
1814 do_unlock(struct file_lock *fl)  in do_unlock()  argument
1820 	pfsret = unlock_partialfilelock(fl);  in do_unlock()
1825 		dump_filelock(fl);  in do_unlock()
1826 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_unlock()
1831 		dump_filelock(fl);  in do_unlock()
1832 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_unlock()
1837 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_unlock()
1842 		dump_filelock(fl);  in do_unlock()
1843 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_unlock()
1847 		dump_filelock(fl);  in do_unlock()
1848 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_unlock()
1987 	struct file_lock fl;  in unlock()  local
1994 	bzero(&fl,sizeof(struct file_lock));  in unlock()
1995 	bcopy(lock->fh.n_bytes, &fl.filehandle, sizeof(fhandle_t));  in unlock()
1997 	copy_nlm4_lock_to_nlm4_holder(lock, 0, &fl.client);  in unlock()
1999 	err = do_unlock(&fl);  in unlock()
2179 send_granted(fl, opcode)  in send_granted()  argument
2180 	struct file_lock *fl;  in send_granted()
2192 	cli = get_client(fl->addr,
2193 	    (fl->flags & LOCK_V4) ? NLM_VERS4 : NLM_VERS);
2196 		    fl->client_name);
2205 	timeo.tv_usec = (fl->flags & LOCK_ASYNC) ? 0 : 500000; /* 0.5s */
2207 	if (fl->flags & LOCK_V4) {
2209 		res.cookie = fl->client_cookie;
2210 		res.exclusive = fl->client.exclusive;
2211 		res.alock.caller_name = fl->client_name;
2213 		res.alock.fh.n_bytes = (char*)&fl->filehandle;
2214 		res.alock.oh = fl->client.oh;
2215 		res.alock.svid = fl->client.svid;
2216 		res.alock.l_offset = fl->client.l_offset;
2217 		res.alock.l_len = fl->client.l_len;
2219 			 (fl->flags & LOCK_ASYNC) ? " (async)":"");
2220 		if (fl->flags & LOCK_ASYNC) {
2232 		res.cookie = fl->client_cookie;
2233 		res.exclusive = fl->client.exclusive;
2234 		res.alock.caller_name = fl->client_name;
2236 		res.alock.fh.n_bytes = (char*)&fl->filehandle;
2237 		res.alock.oh = fl->client.oh;
2238 		res.alock.svid = fl->client.svid;
2239 		res.alock.l_offset = fl->client.l_offset;
2240 		res.alock.l_len = fl->client.l_len;
2242 			 (fl->flags & LOCK_ASYNC) ? " (async)":"");
2243 		if (fl->flags & LOCK_ASYNC) {