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);
319 dump_filelock(const struct file_lock *fl)  in dump_filelock()  argument
330 	if (fl != NULL) {  in dump_filelock()
331 		debuglog("Dumping file lock structure @ %p\n", fl);  in dump_filelock()
334 		dump_static_object((unsigned char *)&fl->filehandle,  in dump_filelock()
335 		    sizeof(fl->filehandle), hbuff, sizeof(hbuff),  in dump_filelock()
342 		    fl->client.exclusive, fl->client.svid,  in dump_filelock()
343 		    fl->client.l_offset, fl->client.l_len);  in dump_filelock()
347 		dump_netobj(&fl->client.oh);  in dump_filelock()
350 		dump_netobj(&fl->client_cookie);  in dump_filelock()
353 		    "  client_name: %s\n", fl->nsm_status, fl->status,  in dump_filelock()
354 		    fl->flags, fl->client.svid, fl->client_name);  in dump_filelock()
445 fill_file_lock(struct file_lock *fl, const fhandle_t *fh,  in fill_file_lock()  argument
450 	bcopy(fh, &fl->filehandle, sizeof(fhandle_t));  in fill_file_lock()
452 	fl->client.exclusive = exclusive;  in fill_file_lock()
453 	fl->client.svid = svid;  in fill_file_lock()
454 	fl->client.l_offset = offset;  in fill_file_lock()
455 	fl->client.l_len = len;  in fill_file_lock()
457 	fl->nsm_status = state;  in fill_file_lock()
458 	fl->status = status;  in fill_file_lock()
459 	fl->flags = flags;  in fill_file_lock()
460 	fl->blocking = blocking;  in fill_file_lock()
467 deallocate_file_lock(struct file_lock *fl)  in deallocate_file_lock()  argument
469 	free(fl->addr);  in deallocate_file_lock()
470 	free(fl->client.oh.n_bytes);  in deallocate_file_lock()
471 	free(fl->client_cookie.n_bytes);  in deallocate_file_lock()
472 	free(fl);  in deallocate_file_lock()
726 get_lock_matching_unlock(const struct file_lock *fl)  in get_lock_matching_unlock()  argument
732 	dump_filelock(fl);  in get_lock_matching_unlock()
747 		if (bcmp(&fl->filehandle, &ifl->filehandle, sizeof(fhandle_t)))  in get_lock_matching_unlock()
754 		if (!regions_overlap(fl->client.l_offset, fl->client.l_len,  in get_lock_matching_unlock()
760 		    fl->client.l_offset,fl->client.l_len,  in get_lock_matching_unlock()
764 		if (!same_filelock_identity(fl,ifl))  in get_lock_matching_unlock()
790 test_nfslock(const struct file_lock *fl, struct file_lock **conflicting_fl)  in test_nfslock()  argument
805 	dump_filelock(fl);  in test_nfslock()
827 		if (bcmp(&fl->filehandle, &ifl->filehandle, sizeof(fhandle_t)))  in test_nfslock()
833 		if (!regions_overlap(fl->client.l_offset, fl->client.l_len,  in test_nfslock()
839 		    fl->client.l_offset,fl->client.l_len,  in test_nfslock()
843 		if (!(fl->client.exclusive || ifl->client.exclusive))  in test_nfslock()
847 		    fl->client.exclusive,  in test_nfslock()
850 		if (same_filelock_identity(fl,ifl)) {  in test_nfslock()
858 			dump_filelock(fl);  in test_nfslock()
891 lock_nfslock(struct file_lock *fl)  in lock_nfslock()  argument
900 	retval = test_nfslock(fl,&dummy_fl);  in lock_nfslock()
904 		dump_filelock(fl);  in lock_nfslock()
905 		LIST_INSERT_HEAD(&nfslocklist_head, fl, nfslocklist);  in lock_nfslock()
925 delete_nfslock(struct file_lock *fl)  in delete_nfslock()  argument
928 	LIST_REMOVE(fl, nfslocklist);  in delete_nfslock()
980 unlock_nfslock(fl, released_lock, left_lock, right_lock)  in unlock_nfslock()  argument
981 	const struct file_lock *fl;  in unlock_nfslock()
999 	mfl = get_lock_matching_unlock(fl);
1004 		spstatus = split_nfslock(mfl, fl, left_lock, right_lock);
1006 		debuglog("Split returned %d %p %p %p %p\n",spstatus,mfl,fl,*left_lock,*right_lock);
1009 		dump_filelock(fl);
1055 lock_hwlock(struct file_lock *fl)  in lock_hwlock()  argument
1062 		if (bcmp(&fl->filehandle, &imf->filehandle,  in lock_hwlock()
1063 			sizeof(fl->filehandle)) == 0) {  in lock_hwlock()
1087 	nmf->fd = fhopen(&fl->filehandle, O_RDWR);  in lock_hwlock()
1090 		    fl->client_name, strerror(errno));  in lock_hwlock()
1103 	bcopy(&fl->filehandle, &nmf->filehandle, sizeof(fl->filehandle));  in lock_hwlock()
1105 	nmf->exclusive = fl->client.exclusive;  in lock_hwlock()
1114 		    fl->client_name, strerror(errno));  in lock_hwlock()
1133 	debuglog("flock succeeded (from %16s)\n", fl->client_name);  in lock_hwlock()
1138 unlock_hwlock(const struct file_lock *fl)  in unlock_hwlock()  argument
1147 		if (bcmp(&fl->filehandle, &imf->filehandle,  in unlock_hwlock()
1148 			sizeof(fl->filehandle)) == 0) {  in unlock_hwlock()
1179 test_hwlock(fl, conflicting_fl)  in test_hwlock()  argument
1180 	const struct file_lock *fl __unused;  in test_hwlock()
1200 duplicate_block(struct file_lock *fl)  in duplicate_block()  argument
1213 		if (!bcmp(&fl->filehandle, &ifl->filehandle,  in duplicate_block()
1215 		    fl->client.exclusive == ifl->client.exclusive &&  in duplicate_block()
1216 		    fl->client.l_offset == ifl->client.l_offset &&  in duplicate_block()
1217 		    fl->client.l_len == ifl->client.l_len &&  in duplicate_block()
1218 		    same_filelock_identity(fl, ifl)) {  in duplicate_block()
1230 add_blockingfilelock(struct file_lock *fl)  in add_blockingfilelock()  argument
1241 	if (duplicate_block(fl)) {  in add_blockingfilelock()
1251 	fl->blocking = 0;  in add_blockingfilelock()
1252 	LIST_INSERT_HEAD(&blockedlocklist_head, fl, nfslocklist);  in add_blockingfilelock()
1258 remove_blockingfilelock(struct file_lock *fl)  in remove_blockingfilelock()  argument
1263 	LIST_REMOVE(fl, nfslocklist);  in remove_blockingfilelock()
1364 lock_partialfilelock(struct file_lock *fl)  in lock_partialfilelock()  argument
1379 	lnlstatus = lock_nfslock(fl);  in lock_partialfilelock()
1388 		hwstatus = lock_hwlock(fl);  in lock_partialfilelock()
1404 			monitor_lock_host(fl->client_name);  in lock_partialfilelock()
1423 			delete_nfslock(fl);  in lock_partialfilelock()
1446 		if (fl->blocking == 1) {  in lock_partialfilelock()
1451 				add_blockingfilelock(fl);  in lock_partialfilelock()
1452 				dump_filelock(fl);  in lock_partialfilelock()
1456 				dump_filelock(fl);  in lock_partialfilelock()
1461 			dump_filelock(fl);  in lock_partialfilelock()
1480 unlock_partialfilelock(const struct file_lock *fl)  in unlock_partialfilelock()  argument
1520 		unlstatus = unlock_nfslock(fl, &releasedfl, &lfl, &rfl);  in unlock_partialfilelock()
1549 			unlhwstatus = unlock_hwlock(fl);  in unlock_partialfilelock()
1584 			dump_filelock(fl);  in unlock_partialfilelock()
1589 			if (fl == releasedfl) {  in unlock_partialfilelock()
1671 test_partialfilelock(const struct file_lock *fl,  in test_partialfilelock()  argument
1681 	teststatus = test_nfslock(fl, conflicting_fl);  in test_partialfilelock()
1689 		dump_filelock(fl);  in test_partialfilelock()
1695 		dump_filelock(fl);  in test_partialfilelock()
1716 do_test(struct file_lock *fl, struct file_lock **conflicting_fl)  in do_test()  argument
1723 	pfsret = test_partialfilelock(fl,conflicting_fl);  in do_test()
1728 		dump_filelock(fl);  in do_test()
1730 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_test()
1734 		dump_filelock(fl);  in do_test()
1738 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_test()
1743 		dump_filelock(fl);  in do_test()
1745 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_test()
1750 		dump_filelock(fl);  in do_test()
1752 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_test()
1756 		dump_filelock(fl);  in do_test()
1758 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_test()
1775 do_lock(struct file_lock *fl)  in do_lock()  argument
1782 	pfsret = lock_partialfilelock(fl);  in do_lock()
1787 		dump_filelock(fl);  in do_lock()
1788 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_lock()
1792 		dump_filelock(fl);  in do_lock()
1793 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_lock()
1798 		dump_filelock(fl);  in do_lock()
1799 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_lock()
1804 		dump_filelock(fl);  in do_lock()
1805 		retval = (fl->flags & LOCK_V4) ? nlm4_blocked : nlm_blocked;  in do_lock()
1810 		dump_filelock(fl);  in do_lock()
1811 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_lock()
1815 		dump_filelock(fl);  in do_lock()
1816 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_lock()
1826 do_unlock(struct file_lock *fl)  in do_unlock()  argument
1832 	pfsret = unlock_partialfilelock(fl);  in do_unlock()
1837 		dump_filelock(fl);  in do_unlock()
1838 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_unlock()
1843 		dump_filelock(fl);  in do_unlock()
1844 		retval = (fl->flags & LOCK_V4) ? nlm4_denied : nlm_denied;  in do_unlock()
1849 		retval = (fl->flags & LOCK_V4) ? nlm4_granted : nlm_granted;  in do_unlock()
1854 		dump_filelock(fl);  in do_unlock()
1855 		retval = (fl->flags & LOCK_V4) ? nlm4_denied_nolocks : nlm_denied_nolocks;  in do_unlock()
1859 		dump_filelock(fl);  in do_unlock()
1860 		retval = (fl->flags & LOCK_V4) ? nlm4_failed : nlm_denied;  in do_unlock()
1999 	struct file_lock fl;  in unlock()  local
2006 	bzero(&fl,sizeof(struct file_lock));  in unlock()
2007 	bcopy(lock->fh.n_bytes, &fl.filehandle, sizeof(fhandle_t));  in unlock()
2009 	copy_nlm4_lock_to_nlm4_holder(lock, 0, &fl.client);  in unlock()
2011 	err = do_unlock(&fl);  in unlock()
2191 send_granted(fl, opcode)  in send_granted()  argument
2192 	struct file_lock *fl;  in send_granted()
2204 	cli = get_client(fl->addr,
2205 	    (fl->flags & LOCK_V4) ? NLM_VERS4 : NLM_VERS);
2208 		    fl->client_name);
2217 	timeo.tv_usec = (fl->flags & LOCK_ASYNC) ? 0 : 500000; /* 0.5s */
2219 	if (fl->flags & LOCK_V4) {
2221 		res.cookie = fl->client_cookie;
2222 		res.exclusive = fl->client.exclusive;
2223 		res.alock.caller_name = fl->client_name;
2225 		res.alock.fh.n_bytes = (char*)&fl->filehandle;
2226 		res.alock.oh = fl->client.oh;
2227 		res.alock.svid = fl->client.svid;
2228 		res.alock.l_offset = fl->client.l_offset;
2229 		res.alock.l_len = fl->client.l_len;
2231 			 (fl->flags & LOCK_ASYNC) ? " (async)":"");
2232 		if (fl->flags & LOCK_ASYNC) {
2244 		res.cookie = fl->client_cookie;
2245 		res.exclusive = fl->client.exclusive;
2246 		res.alock.caller_name = fl->client_name;
2248 		res.alock.fh.n_bytes = (char*)&fl->filehandle;
2249 		res.alock.oh = fl->client.oh;
2250 		res.alock.svid = fl->client.svid;
2251 		res.alock.l_offset = fl->client.l_offset;
2252 		res.alock.l_len = fl->client.l_len;
2254 			 (fl->flags & LOCK_ASYNC) ? " (async)":"");
2255 		if (fl->flags & LOCK_ASYNC) {