179 static void free_fs_devices(struct btrfs_fs_devices *fs_devices)  in free_fs_devices()  argument
182 	WARN_ON(fs_devices->opened);  in free_fs_devices()
183 	while (!list_empty(&fs_devices->devices)) {  in free_fs_devices()
184 		device = list_entry(fs_devices->devices.next,  in free_fs_devices()
190 	kfree(fs_devices);  in free_fs_devices()
208 	struct btrfs_fs_devices *fs_devices;  in btrfs_cleanup_fs_uuids()  local
211 		fs_devices = list_entry(fs_uuids.next,  in btrfs_cleanup_fs_uuids()
213 		list_del(&fs_devices->list);  in btrfs_cleanup_fs_uuids()
214 		free_fs_devices(fs_devices);  in btrfs_cleanup_fs_uuids()
258 	struct btrfs_fs_devices *fs_devices;  in find_fsid()  local
260 	list_for_each_entry(fs_devices, &fs_uuids, list) {  in find_fsid()
261 		if (memcmp(fsid, fs_devices->fsid, BTRFS_FSID_SIZE) == 0)  in find_fsid()
262 			return fs_devices;  in find_fsid()
461 		    fs_info->fs_devices->open_devices > 1) {  in run_scheduled_bios()
595 	struct btrfs_fs_devices *fs_devices;  in device_list_add()  local
600 	fs_devices = find_fsid(disk_super->fsid);  in device_list_add()
601 	if (!fs_devices) {  in device_list_add()
602 		fs_devices = alloc_fs_devices(disk_super->fsid);  in device_list_add()
603 		if (IS_ERR(fs_devices))  in device_list_add()
604 			return PTR_ERR(fs_devices);  in device_list_add()
606 		list_add(&fs_devices->list, &fs_uuids);  in device_list_add()
610 		device = __find_device(&fs_devices->devices, devid,  in device_list_add()
615 		if (fs_devices->opened)  in device_list_add()
632 		mutex_lock(&fs_devices->device_list_mutex);  in device_list_add()
633 		list_add_rcu(&device->dev_list, &fs_devices->devices);  in device_list_add()
634 		fs_devices->num_devices++;  in device_list_add()
635 		mutex_unlock(&fs_devices->device_list_mutex);  in device_list_add()
638 		device->fs_devices = fs_devices;  in device_list_add()
666 		if (!fs_devices->opened && found_transid < device->generation) {  in device_list_add()
683 			fs_devices->missing_devices--;  in device_list_add()
694 	if (!fs_devices->opened)  in device_list_add()
703 	*fs_devices_ret = fs_devices;  in device_list_add()
710 	struct btrfs_fs_devices *fs_devices;  in clone_fs_devices()  local
714 	fs_devices = alloc_fs_devices(orig->fsid);  in clone_fs_devices()
715 	if (IS_ERR(fs_devices))  in clone_fs_devices()
716 		return fs_devices;  in clone_fs_devices()
719 	fs_devices->total_devices = orig->total_devices;  in clone_fs_devices()
743 		list_add(&device->dev_list, &fs_devices->devices);  in clone_fs_devices()
744 		device->fs_devices = fs_devices;  in clone_fs_devices()
745 		fs_devices->num_devices++;  in clone_fs_devices()
748 	return fs_devices;  in clone_fs_devices()
751 	free_fs_devices(fs_devices);  in clone_fs_devices()
755 void btrfs_close_extra_devices(struct btrfs_fs_devices *fs_devices, int step)  in btrfs_close_extra_devices()  argument
763 	list_for_each_entry_safe(device, next, &fs_devices->devices, dev_list) {  in btrfs_close_extra_devices()
791 			fs_devices->open_devices--;  in btrfs_close_extra_devices()
797 				fs_devices->rw_devices--;  in btrfs_close_extra_devices()
800 		fs_devices->num_devices--;  in btrfs_close_extra_devices()
805 	if (fs_devices->seed) {  in btrfs_close_extra_devices()
806 		fs_devices = fs_devices->seed;  in btrfs_close_extra_devices()
810 	fs_devices->latest_bdev = latest_dev->bdev;  in btrfs_close_extra_devices()
838 static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices)  in __btrfs_close_devices()  argument
842 	if (--fs_devices->opened > 0)  in __btrfs_close_devices()
845 	mutex_lock(&fs_devices->device_list_mutex);  in __btrfs_close_devices()
846 	list_for_each_entry_safe(device, tmp, &fs_devices->devices, dev_list) {  in __btrfs_close_devices()
849 	mutex_unlock(&fs_devices->device_list_mutex);  in __btrfs_close_devices()
851 	WARN_ON(fs_devices->open_devices);  in __btrfs_close_devices()
852 	WARN_ON(fs_devices->rw_devices);  in __btrfs_close_devices()
853 	fs_devices->opened = 0;  in __btrfs_close_devices()
854 	fs_devices->seeding = 0;  in __btrfs_close_devices()
859 int btrfs_close_devices(struct btrfs_fs_devices *fs_devices)  in btrfs_close_devices()  argument
865 	ret = __btrfs_close_devices(fs_devices);  in btrfs_close_devices()
866 	if (!fs_devices->opened) {  in btrfs_close_devices()
867 		seed_devices = fs_devices->seed;  in btrfs_close_devices()
868 		fs_devices->seed = NULL;  in btrfs_close_devices()
873 		fs_devices = seed_devices;  in btrfs_close_devices()
874 		seed_devices = fs_devices->seed;  in btrfs_close_devices()
875 		__btrfs_close_devices(fs_devices);  in btrfs_close_devices()
876 		free_fs_devices(fs_devices);  in btrfs_close_devices()
887 static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,  in __btrfs_open_devices()  argument
892 	struct list_head *head = &fs_devices->devices;  in __btrfs_open_devices()
944 			fs_devices->rotating = 1;  in __btrfs_open_devices()
946 		fs_devices->open_devices++;  in __btrfs_open_devices()
949 			fs_devices->rw_devices++;  in __btrfs_open_devices()
951 				 &fs_devices->alloc_list);  in __btrfs_open_devices()
961 	if (fs_devices->open_devices == 0) {  in __btrfs_open_devices()
965 	fs_devices->seeding = seeding;  in __btrfs_open_devices()
966 	fs_devices->opened = 1;  in __btrfs_open_devices()
967 	fs_devices->latest_bdev = latest_dev->bdev;  in __btrfs_open_devices()
968 	fs_devices->total_rw_bytes = 0;  in __btrfs_open_devices()
973 int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,  in btrfs_open_devices()  argument
979 	if (fs_devices->opened) {  in btrfs_open_devices()
980 		fs_devices->opened++;  in btrfs_open_devices()
983 		ret = __btrfs_open_devices(fs_devices, flags, holder);  in btrfs_open_devices()
1716 	num_devices = root->fs_info->fs_devices->num_devices;  in btrfs_rm_device()
1735 	    root->fs_info->fs_devices->rw_devices <= 2) {  in btrfs_rm_device()
1740 	    root->fs_info->fs_devices->rw_devices <= 3) {  in btrfs_rm_device()
1750 		devices = &root->fs_info->fs_devices->devices;  in btrfs_rm_device()
1793 	if (device->writeable && root->fs_info->fs_devices->rw_devices == 1) {  in btrfs_rm_device()
1801 		device->fs_devices->rw_devices--;  in btrfs_rm_device()
1834 	cur_devices = device->fs_devices;  in btrfs_rm_device()
1835 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_rm_device()
1838 	device->fs_devices->num_devices--;  in btrfs_rm_device()
1839 	device->fs_devices->total_devices--;  in btrfs_rm_device()
1842 		device->fs_devices->missing_devices--;  in btrfs_rm_device()
1844 	next_device = list_entry(root->fs_info->fs_devices->devices.next,  in btrfs_rm_device()
1848 	if (device->bdev == root->fs_info->fs_devices->latest_bdev)  in btrfs_rm_device()
1849 		root->fs_info->fs_devices->latest_bdev = next_device->bdev;  in btrfs_rm_device()
1852 		device->fs_devices->open_devices--;  in btrfs_rm_device()
1854 		btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device);  in btrfs_rm_device()
1861 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_rm_device()
1864 		struct btrfs_fs_devices *fs_devices;  in btrfs_rm_device()  local
1865 		fs_devices = root->fs_info->fs_devices;  in btrfs_rm_device()
1866 		while (fs_devices) {  in btrfs_rm_device()
1867 			if (fs_devices->seed == cur_devices) {  in btrfs_rm_device()
1868 				fs_devices->seed = cur_devices->seed;  in btrfs_rm_device()
1871 			fs_devices = fs_devices->seed;  in btrfs_rm_device()
1946 			 &root->fs_info->fs_devices->alloc_list);  in btrfs_rm_device()
1947 		device->fs_devices->rw_devices++;  in btrfs_rm_device()
1956 	struct btrfs_fs_devices *fs_devices;  in btrfs_rm_dev_replace_remove_srcdev()  local
1958 	WARN_ON(!mutex_is_locked(&fs_info->fs_devices->device_list_mutex));  in btrfs_rm_dev_replace_remove_srcdev()
1966 	fs_devices = srcdev->fs_devices;  in btrfs_rm_dev_replace_remove_srcdev()
1970 	fs_devices->num_devices--;  in btrfs_rm_dev_replace_remove_srcdev()
1972 		fs_devices->missing_devices--;  in btrfs_rm_dev_replace_remove_srcdev()
1975 		fs_devices->rw_devices--;  in btrfs_rm_dev_replace_remove_srcdev()
1981 		fs_devices->open_devices--;  in btrfs_rm_dev_replace_remove_srcdev()
1987 	struct btrfs_fs_devices *fs_devices = srcdev->fs_devices;  in btrfs_rm_dev_replace_free_srcdev()  local
1995 	BUG_ON(!fs_devices->num_devices && !fs_devices->seeding);  in btrfs_rm_dev_replace_free_srcdev()
1998 	if (!fs_devices->num_devices) {  in btrfs_rm_dev_replace_free_srcdev()
2001 		tmp_fs_devices = fs_info->fs_devices;  in btrfs_rm_dev_replace_free_srcdev()
2003 			if (tmp_fs_devices->seed == fs_devices) {  in btrfs_rm_dev_replace_free_srcdev()
2004 				tmp_fs_devices->seed = fs_devices->seed;  in btrfs_rm_dev_replace_free_srcdev()
2009 		fs_devices->seed = NULL;  in btrfs_rm_dev_replace_free_srcdev()
2010 		__btrfs_close_devices(fs_devices);  in btrfs_rm_dev_replace_free_srcdev()
2011 		free_fs_devices(fs_devices);  in btrfs_rm_dev_replace_free_srcdev()
2022 	mutex_lock(&fs_info->fs_devices->device_list_mutex);  in btrfs_destroy_dev_replace_tgtdev()
2024 	btrfs_sysfs_rm_device_link(fs_info->fs_devices, tgtdev);  in btrfs_destroy_dev_replace_tgtdev()
2028 		fs_info->fs_devices->open_devices--;  in btrfs_destroy_dev_replace_tgtdev()
2030 	fs_info->fs_devices->num_devices--;  in btrfs_destroy_dev_replace_tgtdev()
2032 	next_device = list_entry(fs_info->fs_devices->devices.next,  in btrfs_destroy_dev_replace_tgtdev()
2036 	if (tgtdev->bdev == fs_info->fs_devices->latest_bdev)  in btrfs_destroy_dev_replace_tgtdev()
2037 		fs_info->fs_devices->latest_bdev = next_device->bdev;  in btrfs_destroy_dev_replace_tgtdev()
2042 	mutex_unlock(&fs_info->fs_devices->device_list_mutex);  in btrfs_destroy_dev_replace_tgtdev()
2082 		devices = &root->fs_info->fs_devices->devices;  in btrfs_find_device_missing_or_by_path()
2108 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;  in btrfs_prepare_sprout()  local
2116 	if (!fs_devices->seeding)  in btrfs_prepare_sprout()
2123 	old_devices = clone_fs_devices(fs_devices);  in btrfs_prepare_sprout()
2131 	memcpy(seed_devices, fs_devices, sizeof(*seed_devices));  in btrfs_prepare_sprout()
2137 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_prepare_sprout()
2138 	list_splice_init_rcu(&fs_devices->devices, &seed_devices->devices,  in btrfs_prepare_sprout()
2141 		device->fs_devices = seed_devices;  in btrfs_prepare_sprout()
2144 	list_splice_init(&fs_devices->alloc_list, &seed_devices->alloc_list);  in btrfs_prepare_sprout()
2147 	fs_devices->seeding = 0;  in btrfs_prepare_sprout()
2148 	fs_devices->num_devices = 0;  in btrfs_prepare_sprout()
2149 	fs_devices->open_devices = 0;  in btrfs_prepare_sprout()
2150 	fs_devices->missing_devices = 0;  in btrfs_prepare_sprout()
2151 	fs_devices->rotating = 0;  in btrfs_prepare_sprout()
2152 	fs_devices->seed = seed_devices;  in btrfs_prepare_sprout()
2154 	generate_random_uuid(fs_devices->fsid);  in btrfs_prepare_sprout()
2155 	memcpy(root->fs_info->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2156 	memcpy(disk_super->fsid, fs_devices->fsid, BTRFS_FSID_SIZE);  in btrfs_prepare_sprout()
2157 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_prepare_sprout()
2226 		if (device->fs_devices->seeding) {  in btrfs_finish_sprout()
2254 	if ((sb->s_flags & MS_RDONLY) && !root->fs_info->fs_devices->seeding)  in btrfs_init_new_device()
2262 	if (root->fs_info->fs_devices->seeding) {  in btrfs_init_new_device()
2270 	devices = &root->fs_info->fs_devices->devices;  in btrfs_init_new_device()
2272 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_new_device()
2277 				&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_new_device()
2281 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_new_device()
2331 	device->fs_devices = root->fs_info->fs_devices;  in btrfs_init_new_device()
2333 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_new_device()
2335 	list_add_rcu(&device->dev_list, &root->fs_info->fs_devices->devices);  in btrfs_init_new_device()
2337 		 &root->fs_info->fs_devices->alloc_list);  in btrfs_init_new_device()
2338 	root->fs_info->fs_devices->num_devices++;  in btrfs_init_new_device()
2339 	root->fs_info->fs_devices->open_devices++;  in btrfs_init_new_device()
2340 	root->fs_info->fs_devices->rw_devices++;  in btrfs_init_new_device()
2341 	root->fs_info->fs_devices->total_devices++;  in btrfs_init_new_device()
2342 	root->fs_info->fs_devices->total_rw_bytes += device->total_bytes;  in btrfs_init_new_device()
2349 		root->fs_info->fs_devices->rotating = 1;  in btrfs_init_new_device()
2360 	btrfs_sysfs_add_device_link(root->fs_info->fs_devices, device);  in btrfs_init_new_device()
2369 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_new_device()
2401 		if (kobject_rename(&root->fs_info->fs_devices->fsid_kobj,  in btrfs_init_new_device()
2440 	btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device);  in btrfs_init_new_device()
2465 	if (fs_info->fs_devices->seeding) {  in btrfs_init_dev_replace_tgtdev()
2479 	devices = &fs_info->fs_devices->devices;  in btrfs_init_dev_replace_tgtdev()
2514 	mutex_lock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_dev_replace_tgtdev()
2533 	device->fs_devices = fs_info->fs_devices;  in btrfs_init_dev_replace_tgtdev()
2534 	list_add(&device->dev_list, &fs_info->fs_devices->devices);  in btrfs_init_dev_replace_tgtdev()
2535 	fs_info->fs_devices->num_devices++;  in btrfs_init_dev_replace_tgtdev()
2536 	fs_info->fs_devices->open_devices++;  in btrfs_init_dev_replace_tgtdev()
2537 	mutex_unlock(&root->fs_info->fs_devices->device_list_mutex);  in btrfs_init_dev_replace_tgtdev()
2550 	WARN_ON(fs_info->fs_devices->rw_devices == 0);  in btrfs_init_dev_replace_tgtdev_for_resume()
2611 	struct btrfs_fs_devices *fs_devices;  in btrfs_grow_device()  local
2628 	fs_devices = device->dev_root->fs_info->fs_devices;  in btrfs_grow_device()
2631 	device->fs_devices->total_rw_bytes += diff;  in btrfs_grow_device()
2638 			      &fs_devices->resized_devices);  in btrfs_grow_device()
3406 	devices = &fs_info->fs_devices->devices;  in __btrfs_balance()
3688 	num_devices = fs_info->fs_devices->num_devices;  in btrfs_balance()
4278 		device->fs_devices->total_rw_bytes -= diff;  in btrfs_shrink_device()
4389 			      &root->fs_info->fs_devices->resized_devices);  in btrfs_shrink_device()
4404 			device->fs_devices->total_rw_bytes += diff;  in btrfs_shrink_device()
4490 	struct btrfs_fs_devices *fs_devices = info->fs_devices;  in __btrfs_alloc_chunk()  local
4519 	if (list_empty(&fs_devices->alloc_list))  in __btrfs_alloc_chunk()
4538 		if (fs_devices->total_rw_bytes > 50ULL * 1024 * 1024 * 1024)  in __btrfs_alloc_chunk()
4557 	max_chunk_size = min(div_factor(fs_devices->total_rw_bytes, 1),  in __btrfs_alloc_chunk()
4560 	devices_info = kcalloc(fs_devices->rw_devices, sizeof(*devices_info),  in __btrfs_alloc_chunk()
4565 	cur = fs_devices->alloc_list.next;  in __btrfs_alloc_chunk()
4572 	while (cur != &fs_devices->alloc_list) {  in __btrfs_alloc_chunk()
4612 		if (ndevs == fs_devices->rw_devices) {  in __btrfs_alloc_chunk()
4614 			     __func__, fs_devices->rw_devices);  in __btrfs_alloc_chunk()
6108 	cur_devices = fs_info->fs_devices;  in btrfs_find_device()
6123 					    struct btrfs_fs_devices *fs_devices,  in add_missing_dev()  argument
6132 	list_add(&device->dev_list, &fs_devices->devices);  in add_missing_dev()
6133 	device->fs_devices = fs_devices;  in add_missing_dev()
6134 	fs_devices->num_devices++;  in add_missing_dev()
6137 	fs_devices->missing_devices++;  in add_missing_dev()
6263 				add_missing_dev(root, root->fs_info->fs_devices,  in read_one_chunk()
6310 	struct btrfs_fs_devices *fs_devices;  in open_seed_devices()  local
6315 	fs_devices = root->fs_info->fs_devices->seed;  in open_seed_devices()
6316 	while (fs_devices) {  in open_seed_devices()
6317 		if (!memcmp(fs_devices->fsid, fsid, BTRFS_UUID_SIZE))  in open_seed_devices()
6318 			return fs_devices;  in open_seed_devices()
6320 		fs_devices = fs_devices->seed;  in open_seed_devices()
6323 	fs_devices = find_fsid(fsid);  in open_seed_devices()
6324 	if (!fs_devices) {  in open_seed_devices()
6328 		fs_devices = alloc_fs_devices(fsid);  in open_seed_devices()
6329 		if (IS_ERR(fs_devices))  in open_seed_devices()
6330 			return fs_devices;  in open_seed_devices()
6332 		fs_devices->seeding = 1;  in open_seed_devices()
6333 		fs_devices->opened = 1;  in open_seed_devices()
6334 		return fs_devices;  in open_seed_devices()
6337 	fs_devices = clone_fs_devices(fs_devices);  in open_seed_devices()
6338 	if (IS_ERR(fs_devices))  in open_seed_devices()
6339 		return fs_devices;  in open_seed_devices()
6341 	ret = __btrfs_open_devices(fs_devices, FMODE_READ,  in open_seed_devices()
6344 		free_fs_devices(fs_devices);  in open_seed_devices()
6345 		fs_devices = ERR_PTR(ret);  in open_seed_devices()
6349 	if (!fs_devices->seeding) {  in open_seed_devices()
6350 		__btrfs_close_devices(fs_devices);  in open_seed_devices()
6351 		free_fs_devices(fs_devices);  in open_seed_devices()
6352 		fs_devices = ERR_PTR(-EINVAL);  in open_seed_devices()
6356 	fs_devices->seed = root->fs_info->fs_devices->seed;  in open_seed_devices()
6357 	root->fs_info->fs_devices->seed = fs_devices;  in open_seed_devices()
6359 	return fs_devices;  in open_seed_devices()
6366 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;  in read_one_dev()  local
6380 		fs_devices = open_seed_devices(root, fs_uuid);  in read_one_dev()
6381 		if (IS_ERR(fs_devices))  in read_one_dev()
6382 			return PTR_ERR(fs_devices);  in read_one_dev()
6390 		device = add_missing_dev(root, fs_devices, devid, dev_uuid);  in read_one_dev()
6406 			device->fs_devices->missing_devices++;  in read_one_dev()
6411 		if (device->fs_devices != fs_devices) {  in read_one_dev()
6414 			list_move(&device->dev_list, &fs_devices->devices);  in read_one_dev()
6415 			device->fs_devices->num_devices--;  in read_one_dev()
6416 			fs_devices->num_devices++;  in read_one_dev()
6418 			device->fs_devices->missing_devices--;  in read_one_dev()
6419 			fs_devices->missing_devices++;  in read_one_dev()
6421 			device->fs_devices = fs_devices;  in read_one_dev()
6425 	if (device->fs_devices != root->fs_info->fs_devices) {  in read_one_dev()
6435 		device->fs_devices->total_rw_bytes += device->total_bytes;  in read_one_dev()
6618 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_init_devices_late()  local
6621 	while (fs_devices) {  in btrfs_init_devices_late()
6622 		mutex_lock(&fs_devices->device_list_mutex);  in btrfs_init_devices_late()
6623 		list_for_each_entry(device, &fs_devices->devices, dev_list)  in btrfs_init_devices_late()
6625 		mutex_unlock(&fs_devices->device_list_mutex);  in btrfs_init_devices_late()
6627 		fs_devices = fs_devices->seed;  in btrfs_init_devices_late()
6644 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_init_dev_stats()  local
6658 	mutex_lock(&fs_devices->device_list_mutex);  in btrfs_init_dev_stats()
6659 	list_for_each_entry(device, &fs_devices->devices, dev_list) {  in btrfs_init_dev_stats()
6693 	mutex_unlock(&fs_devices->device_list_mutex);  in btrfs_init_dev_stats()
6770 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_run_dev_stats()  local
6775 	mutex_lock(&fs_devices->device_list_mutex);  in btrfs_run_dev_stats()
6776 	list_for_each_entry(device, &fs_devices->devices, dev_list) {  in btrfs_run_dev_stats()
6785 	mutex_unlock(&fs_devices->device_list_mutex);  in btrfs_run_dev_stats()
6834 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;  in btrfs_get_dev_stats()  local
6837 	mutex_lock(&fs_devices->device_list_mutex);  in btrfs_get_dev_stats()
6839 	mutex_unlock(&fs_devices->device_list_mutex);  in btrfs_get_dev_stats()
6901 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_update_commit_device_size()  local
6904 	if (list_empty(&fs_devices->resized_devices))  in btrfs_update_commit_device_size()
6907 	mutex_lock(&fs_devices->device_list_mutex);  in btrfs_update_commit_device_size()
6909 	list_for_each_entry_safe(curr, next, &fs_devices->resized_devices,  in btrfs_update_commit_device_size()
6915 	mutex_unlock(&fs_devices->device_list_mutex);  in btrfs_update_commit_device_size()
6945 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_set_fs_info_ptr()  local
6946 	while (fs_devices) {  in btrfs_set_fs_info_ptr()
6947 		fs_devices->fs_info = fs_info;  in btrfs_set_fs_info_ptr()
6948 		fs_devices = fs_devices->seed;  in btrfs_set_fs_info_ptr()
6954 	struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;  in btrfs_reset_fs_info_ptr()  local
6955 	while (fs_devices) {  in btrfs_reset_fs_info_ptr()
6956 		fs_devices->fs_info = NULL;  in btrfs_reset_fs_info_ptr()
6957 		fs_devices = fs_devices->seed;  in btrfs_reset_fs_info_ptr()
6963 	struct btrfs_fs_devices *fs_devices = device->fs_devices;  in btrfs_close_one_device()  local
6968 		fs_devices->open_devices--;  in btrfs_close_one_device()
6973 		fs_devices->rw_devices--;  in btrfs_close_one_device()
6977 		fs_devices->missing_devices--;  in btrfs_close_one_device()
6991 	new_device->fs_devices = device->fs_devices;  in btrfs_close_one_device()