290 	struct o2hb_region *reg =  in o2hb_write_timeout()  local
295 	     "milliseconds\n", reg->hr_dev_name,  in o2hb_write_timeout()
296 	     jiffies_to_msecs(jiffies - reg->hr_last_timeout_start));  in o2hb_write_timeout()
300 		if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))  in o2hb_write_timeout()
301 			set_bit(reg->hr_region_num, o2hb_failed_region_bitmap);  in o2hb_write_timeout()
322 static void o2hb_arm_write_timeout(struct o2hb_region *reg)  in o2hb_arm_write_timeout()  argument
325 	if (atomic_read(&reg->hr_steady_iterations) != 0)  in o2hb_arm_write_timeout()
333 		clear_bit(reg->hr_region_num, o2hb_failed_region_bitmap);  in o2hb_arm_write_timeout()
336 	cancel_delayed_work(&reg->hr_write_timeout_work);  in o2hb_arm_write_timeout()
337 	reg->hr_last_timeout_start = jiffies;  in o2hb_arm_write_timeout()
338 	schedule_delayed_work(&reg->hr_write_timeout_work,  in o2hb_arm_write_timeout()
342 static void o2hb_disarm_write_timeout(struct o2hb_region *reg)  in o2hb_disarm_write_timeout()  argument
344 	cancel_delayed_work_sync(&reg->hr_write_timeout_work);  in o2hb_disarm_write_timeout()
368 static void o2hb_wait_on_io(struct o2hb_region *reg,  in o2hb_wait_on_io()  argument
391 static struct bio *o2hb_setup_one_bio(struct o2hb_region *reg,  in o2hb_setup_one_bio()  argument
398 	unsigned int bits = reg->hr_block_bits;  in o2hb_setup_one_bio()
399 	unsigned int spp = reg->hr_slots_per_page;  in o2hb_setup_one_bio()
416 	bio->bi_iter.bi_sector = (reg->hr_start_block + cs) << (bits - 9);  in o2hb_setup_one_bio()
417 	bio->bi_bdev = reg->hr_bdev;  in o2hb_setup_one_bio()
424 		page = reg->hr_slot_data[current_page];  in o2hb_setup_one_bio()
444 static int o2hb_read_slots(struct o2hb_region *reg,  in o2hb_read_slots()  argument
455 		bio = o2hb_setup_one_bio(reg, &wc, &current_slot, max_slots);  in o2hb_read_slots()
469 	o2hb_wait_on_io(reg, &wc);  in o2hb_read_slots()
476 static int o2hb_issue_node_write(struct o2hb_region *reg,  in o2hb_issue_node_write()  argument
487 	bio = o2hb_setup_one_bio(reg, write_wc, &slot, slot+1);  in o2hb_issue_node_write()
502 static u32 o2hb_compute_block_crc_le(struct o2hb_region *reg,  in o2hb_compute_block_crc_le()  argument
514 	ret = crc32_le(0, (unsigned char *) hb_block, reg->hr_block_bytes);  in o2hb_compute_block_crc_le()
530 static int o2hb_verify_crc(struct o2hb_region *reg,  in o2hb_verify_crc()  argument
536 	computed = o2hb_compute_block_crc_le(reg, hb_block);  in o2hb_verify_crc()
548 static int o2hb_check_own_slot(struct o2hb_region *reg)  in o2hb_check_own_slot()  argument
554 	slot = &reg->hr_slots[o2nm_this_node()];  in o2hb_check_own_slot()
578 	     "ondisk(%u:0x%llx, 0x%llx)\n", errstr, reg->hr_dev_name,  in o2hb_check_own_slot()
587 static inline void o2hb_prepare_block(struct o2hb_region *reg,  in o2hb_prepare_block()  argument
596 	slot = &reg->hr_slots[node_num];  in o2hb_prepare_block()
599 	memset(hb_block, 0, reg->hr_block_bytes);  in o2hb_prepare_block()
611 	hb_block->hb_cksum = cpu_to_le32(o2hb_compute_block_crc_le(reg,  in o2hb_prepare_block()
724 static void o2hb_set_quorum_device(struct o2hb_region *reg)  in o2hb_set_quorum_device()  argument
734 	if (atomic_read(&reg->hr_steady_iterations) != 0)  in o2hb_set_quorum_device()
739 	if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))  in o2hb_set_quorum_device()
747 	if (memcmp(reg->hr_live_node_bitmap, o2hb_live_node_bitmap,  in o2hb_set_quorum_device()
752 	       config_item_name(&reg->hr_item), reg->hr_dev_name);  in o2hb_set_quorum_device()
754 	set_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);  in o2hb_set_quorum_device()
767 static int o2hb_check_slot(struct o2hb_region *reg,  in o2hb_check_slot()  argument
774 	struct o2hb_disk_heartbeat_block *hb_block = reg->hr_tmp_block;  in o2hb_check_slot()
781 	memcpy(hb_block, slot->ds_raw_block, reg->hr_block_bytes);  in o2hb_check_slot()
796 	if (!o2hb_verify_crc(reg, hb_block)) {  in o2hb_check_slot()
811 		     slot->ds_node_num, reg->hr_dev_name);  in o2hb_check_slot()
861 		set_bit(slot->ds_node_num, reg->hr_live_node_bitmap);  in o2hb_check_slot()
894 			     slot->ds_node_num, reg->hr_dev_name, slot_dead_ms,  in o2hb_check_slot()
911 		clear_bit(slot->ds_node_num, reg->hr_live_node_bitmap);  in o2hb_check_slot()
954 static int o2hb_do_disk_heartbeat(struct o2hb_region *reg)  in o2hb_do_disk_heartbeat()  argument
991 	ret = o2hb_read_slots(reg, highest_node + 1);  in o2hb_do_disk_heartbeat()
1000 	own_slot_ok = o2hb_check_own_slot(reg);  in o2hb_do_disk_heartbeat()
1003 	o2hb_prepare_block(reg, reg->hr_generation);  in o2hb_do_disk_heartbeat()
1005 	ret = o2hb_issue_node_write(reg, &write_wc);  in o2hb_do_disk_heartbeat()
1014 		membership_change |= o2hb_check_slot(reg, &reg->hr_slots[i]);  in o2hb_do_disk_heartbeat()
1022 	o2hb_wait_on_io(reg, &write_wc);  in o2hb_do_disk_heartbeat()
1028 		     write_wc.wc_error, reg->hr_dev_name);  in o2hb_do_disk_heartbeat()
1035 		o2hb_set_quorum_device(reg);  in o2hb_do_disk_heartbeat()
1036 		o2hb_arm_write_timeout(reg);  in o2hb_do_disk_heartbeat()
1041 	if (atomic_read(&reg->hr_steady_iterations) != 0) {  in o2hb_do_disk_heartbeat()
1043 			if (atomic_dec_and_test(&reg->hr_steady_iterations))  in o2hb_do_disk_heartbeat()
1048 	if (atomic_read(&reg->hr_steady_iterations) != 0) {  in o2hb_do_disk_heartbeat()
1049 		if (atomic_dec_and_test(&reg->hr_unsteady_iterations)) {  in o2hb_do_disk_heartbeat()
1052 			       config_item_name(&reg->hr_item),  in o2hb_do_disk_heartbeat()
1053 			       reg->hr_dev_name);  in o2hb_do_disk_heartbeat()
1054 			atomic_set(&reg->hr_steady_iterations, 0);  in o2hb_do_disk_heartbeat()
1055 			reg->hr_aborted_start = 1;  in o2hb_do_disk_heartbeat()
1103 	struct o2hb_region *reg = data;  in o2hb_thread()  local
1116 	       !reg->hr_unclean_stop && !reg->hr_aborted_start) {  in o2hb_thread()
1124 		ret = o2hb_do_disk_heartbeat(reg);  in o2hb_thread()
1136 		    elapsed_msec < reg->hr_timeout_ms) {  in o2hb_thread()
1139 			msleep_interruptible(reg->hr_timeout_ms - elapsed_msec);  in o2hb_thread()
1143 	o2hb_disarm_write_timeout(reg);  in o2hb_thread()
1146 	for(i = 0; !reg->hr_unclean_stop && i < reg->hr_blocks; i++)  in o2hb_thread()
1147 		o2hb_shutdown_slot(&reg->hr_slots[i]);  in o2hb_thread()
1154 	if (!reg->hr_unclean_stop && !reg->hr_aborted_start) {  in o2hb_thread()
1155 		o2hb_prepare_block(reg, 0);  in o2hb_thread()
1156 		ret = o2hb_issue_node_write(reg, &write_wc);  in o2hb_thread()
1158 			o2hb_wait_on_io(reg, &write_wc);  in o2hb_thread()
1175 	struct o2hb_region *reg;  in o2hb_debug_open()  local
1201 		reg = (struct o2hb_region *)db->db_data;  in o2hb_debug_open()
1202 		memcpy(map, reg->hr_live_node_bitmap, db->db_size);  in o2hb_debug_open()
1207 		reg = (struct o2hb_region *)db->db_data;  in o2hb_debug_open()
1209 				reg->hr_region_num);  in o2hb_debug_open()
1213 		reg = (struct o2hb_region *)db->db_data;  in o2hb_debug_open()
1214 		lts = reg->hr_last_timeout_start;  in o2hb_debug_open()
1222 		reg = (struct o2hb_region *)db->db_data;  in o2hb_debug_open()
1224 				!!reg->hr_item_pinned);  in o2hb_debug_open()
1446 	struct o2hb_region *reg = to_o2hb_region(item);  in o2hb_region_release()  local
1448 	mlog(ML_HEARTBEAT, "hb region release (%s)\n", reg->hr_dev_name);  in o2hb_region_release()
1450 	kfree(reg->hr_tmp_block);  in o2hb_region_release()
1452 	if (reg->hr_slot_data) {  in o2hb_region_release()
1453 		for (i = 0; i < reg->hr_num_pages; i++) {  in o2hb_region_release()
1454 			page = reg->hr_slot_data[i];  in o2hb_region_release()
1458 		kfree(reg->hr_slot_data);  in o2hb_region_release()
1461 	if (reg->hr_bdev)  in o2hb_region_release()
1462 		blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);  in o2hb_region_release()
1464 	kfree(reg->hr_slots);  in o2hb_region_release()
1466 	kfree(reg->hr_db_regnum);  in o2hb_region_release()
1467 	kfree(reg->hr_db_livenodes);  in o2hb_region_release()
1468 	debugfs_remove(reg->hr_debug_livenodes);  in o2hb_region_release()
1469 	debugfs_remove(reg->hr_debug_regnum);  in o2hb_region_release()
1470 	debugfs_remove(reg->hr_debug_elapsed_time);  in o2hb_region_release()
1471 	debugfs_remove(reg->hr_debug_pinned);  in o2hb_region_release()
1472 	debugfs_remove(reg->hr_debug_dir);  in o2hb_region_release()
1475 	list_del(&reg->hr_all_item);  in o2hb_region_release()
1478 	kfree(reg);  in o2hb_region_release()
1481 static int o2hb_read_block_input(struct o2hb_region *reg,  in o2hb_read_block_input()  argument
1508 static ssize_t o2hb_region_block_bytes_read(struct o2hb_region *reg,  in o2hb_region_block_bytes_read()  argument
1511 	return sprintf(page, "%u\n", reg->hr_block_bytes);  in o2hb_region_block_bytes_read()
1514 static ssize_t o2hb_region_block_bytes_write(struct o2hb_region *reg,  in o2hb_region_block_bytes_write()  argument
1522 	if (reg->hr_bdev)  in o2hb_region_block_bytes_write()
1525 	status = o2hb_read_block_input(reg, page, count,  in o2hb_region_block_bytes_write()
1530 	reg->hr_block_bytes = (unsigned int)block_bytes;  in o2hb_region_block_bytes_write()
1531 	reg->hr_block_bits = block_bits;  in o2hb_region_block_bytes_write()
1536 static ssize_t o2hb_region_start_block_read(struct o2hb_region *reg,  in o2hb_region_start_block_read()  argument
1539 	return sprintf(page, "%llu\n", reg->hr_start_block);  in o2hb_region_start_block_read()
1542 static ssize_t o2hb_region_start_block_write(struct o2hb_region *reg,  in o2hb_region_start_block_write()  argument
1549 	if (reg->hr_bdev)  in o2hb_region_start_block_write()
1556 	reg->hr_start_block = tmp;  in o2hb_region_start_block_write()
1561 static ssize_t o2hb_region_blocks_read(struct o2hb_region *reg,  in o2hb_region_blocks_read()  argument
1564 	return sprintf(page, "%d\n", reg->hr_blocks);  in o2hb_region_blocks_read()
1567 static ssize_t o2hb_region_blocks_write(struct o2hb_region *reg,  in o2hb_region_blocks_write()  argument
1574 	if (reg->hr_bdev)  in o2hb_region_blocks_write()
1584 	reg->hr_blocks = (unsigned int)tmp;  in o2hb_region_blocks_write()
1589 static ssize_t o2hb_region_dev_read(struct o2hb_region *reg,  in o2hb_region_dev_read()  argument
1594 	if (reg->hr_bdev)  in o2hb_region_dev_read()
1595 		ret = sprintf(page, "%s\n", reg->hr_dev_name);  in o2hb_region_dev_read()
1600 static void o2hb_init_region_params(struct o2hb_region *reg)  in o2hb_init_region_params()  argument
1602 	reg->hr_slots_per_page = PAGE_CACHE_SIZE >> reg->hr_block_bits;  in o2hb_init_region_params()
1603 	reg->hr_timeout_ms = O2HB_REGION_TIMEOUT_MS;  in o2hb_init_region_params()
1606 	     reg->hr_start_block, reg->hr_blocks);  in o2hb_init_region_params()
1608 	     reg->hr_block_bytes, reg->hr_block_bits);  in o2hb_init_region_params()
1609 	mlog(ML_HEARTBEAT, "hr_timeout_ms = %u\n", reg->hr_timeout_ms);  in o2hb_init_region_params()
1613 static int o2hb_map_slot_data(struct o2hb_region *reg)  in o2hb_map_slot_data()  argument
1617 	unsigned int spp = reg->hr_slots_per_page;  in o2hb_map_slot_data()
1622 	reg->hr_tmp_block = kmalloc(reg->hr_block_bytes, GFP_KERNEL);  in o2hb_map_slot_data()
1623 	if (reg->hr_tmp_block == NULL) {  in o2hb_map_slot_data()
1628 	reg->hr_slots = kcalloc(reg->hr_blocks,  in o2hb_map_slot_data()
1630 	if (reg->hr_slots == NULL) {  in o2hb_map_slot_data()
1635 	for(i = 0; i < reg->hr_blocks; i++) {  in o2hb_map_slot_data()
1636 		slot = &reg->hr_slots[i];  in o2hb_map_slot_data()
1642 	reg->hr_num_pages = (reg->hr_blocks + spp - 1) / spp;  in o2hb_map_slot_data()
1645 	     reg->hr_num_pages, reg->hr_blocks, spp);  in o2hb_map_slot_data()
1647 	reg->hr_slot_data = kcalloc(reg->hr_num_pages, sizeof(struct page *),  in o2hb_map_slot_data()
1649 	if (!reg->hr_slot_data) {  in o2hb_map_slot_data()
1654 	for(i = 0; i < reg->hr_num_pages; i++) {  in o2hb_map_slot_data()
1661 		reg->hr_slot_data[i] = page;  in o2hb_map_slot_data()
1666 		     (j < spp) && ((j + last_slot) < reg->hr_blocks);  in o2hb_map_slot_data()
1668 			BUG_ON((j + last_slot) >= reg->hr_blocks);  in o2hb_map_slot_data()
1670 			slot = &reg->hr_slots[j + last_slot];  in o2hb_map_slot_data()
1674 			raw += reg->hr_block_bytes;  in o2hb_map_slot_data()
1684 static int o2hb_populate_slot_data(struct o2hb_region *reg)  in o2hb_populate_slot_data()  argument
1690 	ret = o2hb_read_slots(reg, reg->hr_blocks);  in o2hb_populate_slot_data()
1700 	for(i = 0; i < reg->hr_blocks; i++) {  in o2hb_populate_slot_data()
1701 		slot = &reg->hr_slots[i];  in o2hb_populate_slot_data()
1715 static ssize_t o2hb_region_dev_write(struct o2hb_region *reg,  in o2hb_region_dev_write()  argument
1728 	if (reg->hr_bdev)  in o2hb_region_dev_write()
1747 	if (reg->hr_blocks == 0 || reg->hr_start_block == 0 ||  in o2hb_region_dev_write()
1748 	    reg->hr_block_bytes == 0)  in o2hb_region_dev_write()
1758 	reg->hr_bdev = I_BDEV(f.file->f_mapping->host);  in o2hb_region_dev_write()
1759 	ret = blkdev_get(reg->hr_bdev, FMODE_WRITE | FMODE_READ, NULL);  in o2hb_region_dev_write()
1761 		reg->hr_bdev = NULL;  in o2hb_region_dev_write()
1766 	bdevname(reg->hr_bdev, reg->hr_dev_name);  in o2hb_region_dev_write()
1768 	sectsize = bdev_logical_block_size(reg->hr_bdev);  in o2hb_region_dev_write()
1769 	if (sectsize != reg->hr_block_bytes) {  in o2hb_region_dev_write()
1772 		     reg->hr_block_bytes, sectsize);  in o2hb_region_dev_write()
1777 	o2hb_init_region_params(reg);  in o2hb_region_dev_write()
1781 		get_random_bytes(&reg->hr_generation,  in o2hb_region_dev_write()
1782 				 sizeof(reg->hr_generation));  in o2hb_region_dev_write()
1783 	} while (reg->hr_generation == 0);  in o2hb_region_dev_write()
1785 	ret = o2hb_map_slot_data(reg);  in o2hb_region_dev_write()
1791 	ret = o2hb_populate_slot_data(reg);  in o2hb_region_dev_write()
1797 	INIT_DELAYED_WORK(&reg->hr_write_timeout_work, o2hb_write_timeout);  in o2hb_region_dev_write()
1815 	atomic_set(&reg->hr_steady_iterations, live_threshold);  in o2hb_region_dev_write()
1817 	atomic_set(&reg->hr_unsteady_iterations, (live_threshold << 1));  in o2hb_region_dev_write()
1819 	hb_task = kthread_run(o2hb_thread, reg, "o2hb-%s",  in o2hb_region_dev_write()
1820 			      reg->hr_item.ci_name);  in o2hb_region_dev_write()
1828 	reg->hr_task = hb_task;  in o2hb_region_dev_write()
1832 				atomic_read(&reg->hr_steady_iterations) == 0);  in o2hb_region_dev_write()
1834 		atomic_set(&reg->hr_steady_iterations, 0);  in o2hb_region_dev_write()
1835 		reg->hr_aborted_start = 1;  in o2hb_region_dev_write()
1838 	if (reg->hr_aborted_start) {  in o2hb_region_dev_write()
1845 	hb_task = reg->hr_task;  in o2hb_region_dev_write()
1847 		set_bit(reg->hr_region_num, o2hb_live_region_bitmap);  in o2hb_region_dev_write()
1857 		       config_item_name(&reg->hr_item), reg->hr_dev_name);  in o2hb_region_dev_write()
1865 		if (reg->hr_bdev) {  in o2hb_region_dev_write()
1866 			blkdev_put(reg->hr_bdev, FMODE_READ|FMODE_WRITE);  in o2hb_region_dev_write()
1867 			reg->hr_bdev = NULL;  in o2hb_region_dev_write()
1873 static ssize_t o2hb_region_pid_read(struct o2hb_region *reg,  in o2hb_region_pid_read()  argument
1879 	if (reg->hr_task)  in o2hb_region_pid_read()
1880 		pid = task_pid_nr(reg->hr_task);  in o2hb_region_pid_read()
1947 	struct o2hb_region *reg = to_o2hb_region(item);  in o2hb_region_show()  local
1953 		ret = o2hb_region_attr->show(reg, page);  in o2hb_region_show()
1961 	struct o2hb_region *reg = to_o2hb_region(item);  in o2hb_region_store()  local
1967 		ret = o2hb_region_attr->store(reg, page, count);  in o2hb_region_store()
1997 static int o2hb_debug_region_init(struct o2hb_region *reg, struct dentry *dir)  in o2hb_debug_region_init()  argument
2001 	reg->hr_debug_dir =  in o2hb_debug_region_init()
2002 		debugfs_create_dir(config_item_name(&reg->hr_item), dir);  in o2hb_debug_region_init()
2003 	if (!reg->hr_debug_dir) {  in o2hb_debug_region_init()
2008 	reg->hr_debug_livenodes =  in o2hb_debug_region_init()
2010 					  reg->hr_debug_dir,  in o2hb_debug_region_init()
2011 					  &(reg->hr_db_livenodes),  in o2hb_debug_region_init()
2012 					  sizeof(*(reg->hr_db_livenodes)),  in o2hb_debug_region_init()
2014 					  sizeof(reg->hr_live_node_bitmap),  in o2hb_debug_region_init()
2015 					  O2NM_MAX_NODES, reg);  in o2hb_debug_region_init()
2016 	if (!reg->hr_debug_livenodes) {  in o2hb_debug_region_init()
2021 	reg->hr_debug_regnum =  in o2hb_debug_region_init()
2023 					  reg->hr_debug_dir,  in o2hb_debug_region_init()
2024 					  &(reg->hr_db_regnum),  in o2hb_debug_region_init()
2025 					  sizeof(*(reg->hr_db_regnum)),  in o2hb_debug_region_init()
2027 					  0, O2NM_MAX_NODES, reg);  in o2hb_debug_region_init()
2028 	if (!reg->hr_debug_regnum) {  in o2hb_debug_region_init()
2033 	reg->hr_debug_elapsed_time =  in o2hb_debug_region_init()
2035 					  reg->hr_debug_dir,  in o2hb_debug_region_init()
2036 					  &(reg->hr_db_elapsed_time),  in o2hb_debug_region_init()
2037 					  sizeof(*(reg->hr_db_elapsed_time)),  in o2hb_debug_region_init()
2039 					  0, 0, reg);  in o2hb_debug_region_init()
2040 	if (!reg->hr_debug_elapsed_time) {  in o2hb_debug_region_init()
2045 	reg->hr_debug_pinned =  in o2hb_debug_region_init()
2047 					  reg->hr_debug_dir,  in o2hb_debug_region_init()
2048 					  &(reg->hr_db_pinned),  in o2hb_debug_region_init()
2049 					  sizeof(*(reg->hr_db_pinned)),  in o2hb_debug_region_init()
2051 					  0, 0, reg);  in o2hb_debug_region_init()
2052 	if (!reg->hr_debug_pinned) {  in o2hb_debug_region_init()
2065 	struct o2hb_region *reg = NULL;  in o2hb_heartbeat_group_make_item()  local
2068 	reg = kzalloc(sizeof(struct o2hb_region), GFP_KERNEL);  in o2hb_heartbeat_group_make_item()
2069 	if (reg == NULL)  in o2hb_heartbeat_group_make_item()
2078 	reg->hr_region_num = 0;  in o2hb_heartbeat_group_make_item()
2080 		reg->hr_region_num = find_first_zero_bit(o2hb_region_bitmap,  in o2hb_heartbeat_group_make_item()
2082 		if (reg->hr_region_num >= O2NM_MAX_REGIONS) {  in o2hb_heartbeat_group_make_item()
2087 		set_bit(reg->hr_region_num, o2hb_region_bitmap);  in o2hb_heartbeat_group_make_item()
2089 	list_add_tail(&reg->hr_all_item, &o2hb_all_regions);  in o2hb_heartbeat_group_make_item()
2092 	config_item_init_type_name(&reg->hr_item, name, &o2hb_region_type);  in o2hb_heartbeat_group_make_item()
2094 	ret = o2hb_debug_region_init(reg, o2hb_debug_dir);  in o2hb_heartbeat_group_make_item()
2096 		config_item_put(&reg->hr_item);  in o2hb_heartbeat_group_make_item()
2100 	return &reg->hr_item;  in o2hb_heartbeat_group_make_item()
2102 	kfree(reg);  in o2hb_heartbeat_group_make_item()
2110 	struct o2hb_region *reg = to_o2hb_region(item);  in o2hb_heartbeat_group_drop_item()  local
2115 	hb_task = reg->hr_task;  in o2hb_heartbeat_group_drop_item()
2116 	reg->hr_task = NULL;  in o2hb_heartbeat_group_drop_item()
2117 	reg->hr_item_dropped = 1;  in o2hb_heartbeat_group_drop_item()
2125 		clear_bit(reg->hr_region_num, o2hb_region_bitmap);  in o2hb_heartbeat_group_drop_item()
2126 		clear_bit(reg->hr_region_num, o2hb_live_region_bitmap);  in o2hb_heartbeat_group_drop_item()
2127 		if (test_bit(reg->hr_region_num, o2hb_quorum_region_bitmap))  in o2hb_heartbeat_group_drop_item()
2129 		clear_bit(reg->hr_region_num, o2hb_quorum_region_bitmap);  in o2hb_heartbeat_group_drop_item()
2132 		       ((atomic_read(&reg->hr_steady_iterations) == 0) ?  in o2hb_heartbeat_group_drop_item()
2134 		       reg->hr_dev_name);  in o2hb_heartbeat_group_drop_item()
2141 	if (atomic_read(&reg->hr_steady_iterations) != 0) {  in o2hb_heartbeat_group_drop_item()
2142 		reg->hr_aborted_start = 1;  in o2hb_heartbeat_group_drop_item()
2143 		atomic_set(&reg->hr_steady_iterations, 0);  in o2hb_heartbeat_group_drop_item()
2179 	struct o2hb_heartbeat_group *reg = to_o2hb_heartbeat_group(to_config_group(item));  in o2hb_heartbeat_group_show()  local
2185 		ret = o2hb_heartbeat_group_attr->show(reg, page);  in o2hb_heartbeat_group_show()
2193 	struct o2hb_heartbeat_group *reg = to_o2hb_heartbeat_group(to_config_group(item));  in o2hb_heartbeat_group_store()  local
2199 		ret = o2hb_heartbeat_group_attr->store(reg, page, count);  in o2hb_heartbeat_group_store()
2362 	struct o2hb_region *reg;  in o2hb_region_pin()  local
2367 	list_for_each_entry(reg, &o2hb_all_regions, hr_all_item) {  in o2hb_region_pin()
2368 		if (reg->hr_item_dropped)  in o2hb_region_pin()
2371 		uuid = config_item_name(&reg->hr_item);  in o2hb_region_pin()
2380 		if (reg->hr_item_pinned || reg->hr_item_dropped)  in o2hb_region_pin()
2384 		ret = o2nm_depend_item(&reg->hr_item);  in o2hb_region_pin()
2387 			reg->hr_item_pinned = 1;  in o2hb_region_pin()
2414 	struct o2hb_region *reg;  in o2hb_region_unpin()  local
2420 	list_for_each_entry(reg, &o2hb_all_regions, hr_all_item) {  in o2hb_region_unpin()
2421 		if (reg->hr_item_dropped)  in o2hb_region_unpin()
2424 		uuid = config_item_name(&reg->hr_item);  in o2hb_region_unpin()
2431 		if (reg->hr_item_pinned) {  in o2hb_region_unpin()
2433 			o2nm_undepend_item(&reg->hr_item);  in o2hb_region_unpin()
2434 			reg->hr_item_pinned = 0;  in o2hb_region_unpin()
2633 	struct o2hb_region *reg;  in o2hb_stop_all_regions()  local
2639 	list_for_each_entry(reg, &o2hb_all_regions, hr_all_item)  in o2hb_stop_all_regions()
2640 		reg->hr_unclean_stop = 1;  in o2hb_stop_all_regions()
2648 	struct o2hb_region *reg;  in o2hb_get_all_regions()  local
2655 	list_for_each_entry(reg, &o2hb_all_regions, hr_all_item) {  in o2hb_get_all_regions()
2656 		if (reg->hr_item_dropped)  in o2hb_get_all_regions()
2659 		mlog(0, "Region: %s\n", config_item_name(&reg->hr_item));  in o2hb_get_all_regions()
2661 			memcpy(p, config_item_name(&reg->hr_item),  in o2hb_get_all_regions()