74 	struct extent_buffer *eb;  in btrfs_init_dev_replace()  local
125 	eb = path->nodes[0];  in btrfs_init_dev_replace()
126 	item_size = btrfs_item_size_nr(eb, slot);  in btrfs_init_dev_replace()
127 	ptr = btrfs_item_ptr(eb, slot, struct btrfs_dev_replace_item);  in btrfs_init_dev_replace()
135 	src_devid = btrfs_dev_replace_src_devid(eb, ptr);  in btrfs_init_dev_replace()
137 		btrfs_dev_replace_cont_reading_from_srcdev_mode(eb, ptr);  in btrfs_init_dev_replace()
138 	dev_replace->replace_state = btrfs_dev_replace_replace_state(eb, ptr);  in btrfs_init_dev_replace()
139 	dev_replace->time_started = btrfs_dev_replace_time_started(eb, ptr);  in btrfs_init_dev_replace()
141 		btrfs_dev_replace_time_stopped(eb, ptr);  in btrfs_init_dev_replace()
143 		     btrfs_dev_replace_num_write_errors(eb, ptr));  in btrfs_init_dev_replace()
145 		     btrfs_dev_replace_num_uncorrectable_read_errors(eb, ptr));  in btrfs_init_dev_replace()
146 	dev_replace->cursor_left = btrfs_dev_replace_cursor_left(eb, ptr);  in btrfs_init_dev_replace()
149 	dev_replace->cursor_right = btrfs_dev_replace_cursor_right(eb, ptr);  in btrfs_init_dev_replace()
150 	dev_replace->is_valid = 1;  in btrfs_init_dev_replace()
312 	device->dev_stats_valid = 1;  in btrfs_init_dev_replace_tgtdev()
341 	struct extent_buffer *eb;  in btrfs_run_dev_replace()  local
362 	ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1);  in btrfs_run_dev_replace()
390 		ret = 1;  in btrfs_run_dev_replace()
393 	if (ret == 1) {  in btrfs_run_dev_replace()
405 	eb = path->nodes[0];  in btrfs_run_dev_replace()
406 	ptr = btrfs_item_ptr(eb, path->slots[0],  in btrfs_run_dev_replace()
411 		btrfs_set_dev_replace_src_devid(eb, ptr,  in btrfs_run_dev_replace()
414 		btrfs_set_dev_replace_src_devid(eb, ptr, (u64)-1);  in btrfs_run_dev_replace()
415 	btrfs_set_dev_replace_cont_reading_from_srcdev_mode(eb, ptr,  in btrfs_run_dev_replace()
417 	btrfs_set_dev_replace_replace_state(eb, ptr,  in btrfs_run_dev_replace()
419 	btrfs_set_dev_replace_time_started(eb, ptr, dev_replace->time_started);  in btrfs_run_dev_replace()
420 	btrfs_set_dev_replace_time_stopped(eb, ptr, dev_replace->time_stopped);  in btrfs_run_dev_replace()
421 	btrfs_set_dev_replace_num_write_errors(eb, ptr,  in btrfs_run_dev_replace()
423 	btrfs_set_dev_replace_num_uncorrectable_read_errors(eb, ptr,  in btrfs_run_dev_replace()
427 	btrfs_set_dev_replace_cursor_left(eb, ptr,  in btrfs_run_dev_replace()
429 	btrfs_set_dev_replace_cursor_right(eb, ptr,  in btrfs_run_dev_replace()
434 	btrfs_mark_buffer_dirty(eb);  in btrfs_run_dev_replace()
525 	dev_replace->is_valid = 1;  in btrfs_dev_replace_start()
526 	dev_replace->item_needs_writeback = 1;  in btrfs_dev_replace_start()
535 	btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1);  in btrfs_dev_replace_start()
537 	/* Commit dev_replace state and reserve 1 item for it. */  in btrfs_dev_replace_start()
538 	trans = btrfs_start_transaction(root, 1);  in btrfs_dev_replace_start()
556 			      &dev_replace->scrub_progress, 0, 1);  in btrfs_dev_replace_start()
642 		start = found_end + 1;  in btrfs_set_target_alloc_state()
662 		em = lookup_extent_mapping(em_tree, start, (u64)-1);  in btrfs_dev_replace_update_device_in_mapping_tree()
711 	btrfs_wait_ordered_roots(fs_info, U64_MAX, 0, (u64)-1);  in btrfs_dev_replace_finishing()
721 	while (1) {  in btrfs_dev_replace_finishing()
751 	dev_replace->item_needs_writeback = 1;  in btrfs_dev_replace_finishing()
823 	 * source device is not part of the filesystem anymore and its 1st  in btrfs_dev_replace_finishing()
952 		dev_replace->item_needs_writeback = 1;  in btrfs_dev_replace_cancel()
1002 		dev_replace->item_needs_writeback = 1;  in btrfs_dev_replace_suspend_for_unmount()
1082 			      &dev_replace->scrub_progress, 0, 1);  in btrfs_dev_replace_kthread()
1114 	return 1;  in btrfs_dev_replace_is_ongoing()
1130 	while (1) {  in btrfs_bio_counter_inc_blocked()