326 		if (root->fs_info->compress_type == BTRFS_COMPRESS_LZO)  in btrfs_ioctl_setflags()
375 	struct btrfs_fs_info *fs_info = btrfs_sb(file_inode(file)->i_sb);  in btrfs_ioctl_fitrim()  local
381 	u64 total_bytes = btrfs_super_total_bytes(fs_info->super_copy);  in btrfs_ioctl_fitrim()
388 	list_for_each_entry_rcu(device, &fs_info->fs_devices->devices,  in btrfs_ioctl_fitrim()
406 	    range.len < fs_info->sb->s_blocksize)  in btrfs_ioctl_fitrim()
411 	ret = btrfs_trim_fs(fs_info->tree_root, &range);  in btrfs_ioctl_fitrim()
456 	ret = btrfs_find_free_objectid(root->fs_info->tree_root, &objectid);  in create_subvol()
487 	ret = btrfs_qgroup_inherit(trans, root->fs_info, 0, objectid, inherit);  in create_subvol()
503 	write_extent_buffer(leaf, root->fs_info->fsid, btrfs_header_fsid(),  in create_subvol()
505 	write_extent_buffer(leaf, root->fs_info->chunk_tree_uuid,  in create_subvol()
549 	ret = btrfs_insert_root(trans, root->fs_info->tree_root, &key,  in create_subvol()
555 	new_root = btrfs_read_fs_root_no_name(root->fs_info, &key);  in create_subvol()
596 	ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,  in create_subvol()
601 	ret = btrfs_uuid_tree_add(trans, root->fs_info->uuid_root,  in create_subvol()
707 	spin_lock(&root->fs_info->trans_lock);  in create_snapshot()
710 	spin_unlock(&root->fs_info->trans_lock);  in create_snapshot()
714 				     root->fs_info->extent_root, 1);  in create_snapshot()
719 					       root->fs_info->extent_root);  in create_snapshot()
856 	down_read(&BTRFS_I(dir)->root->fs_info->subvol_sem);  in btrfs_mksubvol()
871 	up_read(&BTRFS_I(dir)->root->fs_info->subvol_sem);  in btrfs_mksubvol()
1352 		if (btrfs_defrag_cancelled(root->fs_info)) {  in btrfs_defrag_file()
1353 			btrfs_debug(root->fs_info, "defrag_file cancelled");  in btrfs_defrag_file()
1442 		atomic_inc(&root->fs_info->async_submit_draining);  in btrfs_defrag_file()
1443 		while (atomic_read(&root->fs_info->nr_async_submits) ||  in btrfs_defrag_file()
1444 		      atomic_read(&root->fs_info->async_delalloc_pages)) {  in btrfs_defrag_file()
1445 			wait_event(root->fs_info->async_submit_wait,  in btrfs_defrag_file()
1446 			   (atomic_read(&root->fs_info->nr_async_submits) == 0 &&  in btrfs_defrag_file()
1447 			    atomic_read(&root->fs_info->async_delalloc_pages) == 0));  in btrfs_defrag_file()
1449 		atomic_dec(&root->fs_info->async_submit_draining);  in btrfs_defrag_file()
1453 		btrfs_set_fs_incompat(root->fs_info, COMPRESS_LZO);  in btrfs_defrag_file()
1493 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,  in btrfs_ioctl_resize()
1499 	mutex_lock(&root->fs_info->volume_mutex);  in btrfs_ioctl_resize()
1521 		btrfs_info(root->fs_info, "resizing devid %llu", devid);  in btrfs_ioctl_resize()
1524 	device = btrfs_find_device(root->fs_info, devid, NULL, NULL);  in btrfs_ioctl_resize()
1526 		btrfs_info(root->fs_info, "resizer unable to find device %llu",  in btrfs_ioctl_resize()
1533 		btrfs_info(root->fs_info,  in btrfs_ioctl_resize()
1590 	btrfs_info_in_rcu(root->fs_info, "new size for %s is %llu",  in btrfs_ioctl_resize()
1608 	mutex_unlock(&root->fs_info->volume_mutex);  in btrfs_ioctl_resize()
1609 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);  in btrfs_ioctl_resize()
1651 			btrfs_info(BTRFS_I(file_inode(file))->root->fs_info,  in btrfs_ioctl_snap_create_transid()
1760 	down_read(&root->fs_info->subvol_sem);  in btrfs_ioctl_subvol_getflags()
1763 	up_read(&root->fs_info->subvol_sem);  in btrfs_ioctl_subvol_getflags()
1808 	down_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_subvol_setflags()
1830 			btrfs_warn(root->fs_info,  in btrfs_ioctl_subvol_setflags()
1844 	ret = btrfs_update_root(trans, root->fs_info->tree_root,  in btrfs_ioctl_subvol_setflags()
1852 	up_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_subvol_setflags()
1875 	dir_id = btrfs_super_root_dir(root->fs_info->super_copy);  in may_destroy_subvol()
1876 	di = btrfs_lookup_dir_item(NULL, root->fs_info->tree_root, path,  in may_destroy_subvol()
1882 			btrfs_err(root->fs_info, "deleting default subvolume "  in may_destroy_subvol()
1893 	ret = btrfs_search_slot(NULL, root->fs_info->tree_root,  in may_destroy_subvol()
2069 	struct btrfs_fs_info *info = BTRFS_I(inode)->root->fs_info;  in search_ioctl()
2318 	ret = btrfs_search_path_in_tree(BTRFS_I(inode)->root->fs_info,  in btrfs_ioctl_ino_lookup()
2440 		btrfs_warn(root->fs_info,  in btrfs_ioctl_snap_destroy()
2447 	down_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_snap_destroy()
2490 					root->fs_info->tree_root,  in btrfs_ioctl_snap_destroy()
2499 	ret = btrfs_uuid_tree_rem(trans, root->fs_info->uuid_root,  in btrfs_ioctl_snap_destroy()
2508 		ret = btrfs_uuid_tree_rem(trans, root->fs_info->uuid_root,  in btrfs_ioctl_snap_destroy()
2529 	up_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_snap_destroy()
2587 		ret = btrfs_defrag_root(root->fs_info->extent_root);  in btrfs_ioctl_defrag()
2639 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,  in btrfs_ioctl_add_dev()
2644 	mutex_lock(&root->fs_info->volume_mutex);  in btrfs_ioctl_add_dev()
2655 		btrfs_info(root->fs_info, "disk added %s",vol_args->name);  in btrfs_ioctl_add_dev()
2659 	mutex_unlock(&root->fs_info->volume_mutex);  in btrfs_ioctl_add_dev()
2660 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);  in btrfs_ioctl_add_dev()
2685 	if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running,  in btrfs_ioctl_rm_dev()
2691 	mutex_lock(&root->fs_info->volume_mutex);  in btrfs_ioctl_rm_dev()
2693 	mutex_unlock(&root->fs_info->volume_mutex);  in btrfs_ioctl_rm_dev()
2694 	atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0);  in btrfs_ioctl_rm_dev()
2697 		btrfs_info(root->fs_info, "disk deleted %s",vol_args->name);  in btrfs_ioctl_rm_dev()
2710 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;  in btrfs_ioctl_fs_info()
2719 	memcpy(&fi_args->fsid, root->fs_info->fsid, sizeof(fi_args->fsid));  in btrfs_ioctl_fs_info()
2727 	fi_args->nodesize = root->fs_info->super_copy->nodesize;  in btrfs_ioctl_fs_info()
2728 	fi_args->sectorsize = root->fs_info->super_copy->sectorsize;  in btrfs_ioctl_fs_info()
2729 	fi_args->clone_alignment = root->fs_info->super_copy->sectorsize;  in btrfs_ioctl_fs_info()
2742 	struct btrfs_fs_devices *fs_devices = root->fs_info->fs_devices;  in btrfs_ioctl_dev_info()
2754 	dev = btrfs_find_device(root->fs_info, di_args->devid, s_uuid, NULL);  in btrfs_ioctl_dev_info()
3025 	u64 bs = BTRFS_I(inode)->root->fs_info->sb->s_blocksize;  in extent_same_check_offsets()
3185 	u64 bs = BTRFS_I(src)->root->fs_info->sb->s_blocksize;  in btrfs_ioctl_file_extent_same()
3864 	u64 bs = root->fs_info->sb->s_blocksize;  in btrfs_ioctl_clone()
4049 	atomic_inc(&root->fs_info->open_ioctl_trans);  in btrfs_ioctl_trans_start()
4060 	atomic_dec(&root->fs_info->open_ioctl_trans);  in btrfs_ioctl_trans_start()
4099 	new_root = btrfs_read_fs_root_no_name(root->fs_info, &location);  in btrfs_ioctl_default_subvol()
4119 	dir_id = btrfs_super_root_dir(root->fs_info->super_copy);  in btrfs_ioctl_default_subvol()
4120 	di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,  in btrfs_ioctl_default_subvol()
4125 		btrfs_err(new_root->fs_info, "Umm, you don't have the default dir"  in btrfs_ioctl_default_subvol()
4136 	btrfs_set_fs_incompat(root->fs_info, DEFAULT_SUBVOL);  in btrfs_ioctl_default_subvol()
4187 		list_for_each_entry_rcu(tmp, &root->fs_info->space_info,  in btrfs_ioctl_space_info()
4243 		list_for_each_entry_rcu(tmp, &root->fs_info->space_info,  in btrfs_ioctl_space_info()
4274 		struct btrfs_block_rsv *block_rsv = &root->fs_info->global_block_rsv;  in btrfs_ioctl_space_info()
4318 	atomic_dec(&root->fs_info->open_ioctl_trans);  in btrfs_ioctl_trans_end()
4337 		transid = root->fs_info->last_trans_committed;  in btrfs_ioctl_start_sync()
4386 	ret = btrfs_scrub_dev(root->fs_info, sa->devid, sa->start, sa->end,  in btrfs_ioctl_scrub()
4405 	return btrfs_scrub_cancel(root->fs_info);  in btrfs_ioctl_scrub_cancel()
4468 		if (root->fs_info->sb->s_flags & MS_RDONLY) {  in btrfs_ioctl_dev_replace()
4473 			&root->fs_info->mutually_exclusive_operation_running,  in btrfs_ioctl_dev_replace()
4479 			 &root->fs_info->mutually_exclusive_operation_running,  in btrfs_ioctl_dev_replace()
4484 		btrfs_dev_replace_status(root->fs_info, p);  in btrfs_ioctl_dev_replace()
4488 		ret = btrfs_dev_replace_cancel(root->fs_info, p);  in btrfs_ioctl_dev_replace()
4614 	ret = iterate_inodes_from_logical(loi->logical, root->fs_info, path,  in btrfs_ioctl_logical_to_ino()
4634 void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock,  in update_ioctl_balance_args()  argument
4637 	struct btrfs_balance_control *bctl = fs_info->balance_ctl;  in update_ioctl_balance_args()
4641 	if (atomic_read(&fs_info->balance_running))  in update_ioctl_balance_args()
4643 	if (atomic_read(&fs_info->balance_pause_req))  in update_ioctl_balance_args()
4645 	if (atomic_read(&fs_info->balance_cancel_req))  in update_ioctl_balance_args()
4653 		spin_lock(&fs_info->balance_lock);  in update_ioctl_balance_args()
4655 		spin_unlock(&fs_info->balance_lock);  in update_ioctl_balance_args()
4664 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_ioctl_balance()  local
4678 	if (!atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)) {  in btrfs_ioctl_balance()
4679 		mutex_lock(&fs_info->volume_mutex);  in btrfs_ioctl_balance()
4680 		mutex_lock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4691 	mutex_lock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4692 	if (fs_info->balance_ctl) {  in btrfs_ioctl_balance()
4694 		if (!atomic_read(&fs_info->balance_running)) {  in btrfs_ioctl_balance()
4695 			mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4696 			if (!mutex_trylock(&fs_info->volume_mutex))  in btrfs_ioctl_balance()
4698 			mutex_lock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4700 			if (fs_info->balance_ctl &&  in btrfs_ioctl_balance()
4701 			    !atomic_read(&fs_info->balance_running)) {  in btrfs_ioctl_balance()
4707 			mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4708 			mutex_unlock(&fs_info->volume_mutex);  in btrfs_ioctl_balance()
4712 			mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4718 		mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4724 	BUG_ON(!atomic_read(&fs_info->mutually_exclusive_operation_running));  in btrfs_ioctl_balance()
4734 			if (!fs_info->balance_ctl) {  in btrfs_ioctl_balance()
4739 			bctl = fs_info->balance_ctl;  in btrfs_ioctl_balance()
4740 			spin_lock(&fs_info->balance_lock);  in btrfs_ioctl_balance()
4742 			spin_unlock(&fs_info->balance_lock);  in btrfs_ioctl_balance()
4750 	if (fs_info->balance_ctl) {  in btrfs_ioctl_balance()
4761 	bctl->fs_info = fs_info;  in btrfs_ioctl_balance()
4801 	mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance()
4802 	mutex_unlock(&fs_info->volume_mutex);  in btrfs_ioctl_balance()
4804 		atomic_set(&fs_info->mutually_exclusive_operation_running, 0);  in btrfs_ioctl_balance()
4817 		return btrfs_pause_balance(root->fs_info);  in btrfs_ioctl_balance_ctl()
4819 		return btrfs_cancel_balance(root->fs_info);  in btrfs_ioctl_balance_ctl()
4828 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_ioctl_balance_progress()  local
4835 	mutex_lock(&fs_info->balance_mutex);  in btrfs_ioctl_balance_progress()
4836 	if (!fs_info->balance_ctl) {  in btrfs_ioctl_balance_progress()
4847 	update_ioctl_balance_args(fs_info, 1, bargs);  in btrfs_ioctl_balance_progress()
4854 	mutex_unlock(&fs_info->balance_mutex);  in btrfs_ioctl_balance_progress()
4879 	down_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_quota_ctl()
4880 	trans = btrfs_start_transaction(root->fs_info->tree_root, 2);  in btrfs_ioctl_quota_ctl()
4888 		ret = btrfs_quota_enable(trans, root->fs_info);  in btrfs_ioctl_quota_ctl()
4891 		ret = btrfs_quota_disable(trans, root->fs_info);  in btrfs_ioctl_quota_ctl()
4898 	err = btrfs_commit_transaction(trans, root->fs_info->tree_root);  in btrfs_ioctl_quota_ctl()
4903 	up_write(&root->fs_info->subvol_sem);  in btrfs_ioctl_quota_ctl()
4938 		ret = btrfs_add_qgroup_relation(trans, root->fs_info,  in btrfs_ioctl_qgroup_assign()
4941 		ret = btrfs_del_qgroup_relation(trans, root->fs_info,  in btrfs_ioctl_qgroup_assign()
4946 	err = btrfs_run_qgroups(trans, root->fs_info);  in btrfs_ioctl_qgroup_assign()
4948 		btrfs_std_error(root->fs_info, ret,  in btrfs_ioctl_qgroup_assign()
4995 		ret = btrfs_create_qgroup(trans, root->fs_info, sa->qgroupid);  in btrfs_ioctl_qgroup_create()
4997 		ret = btrfs_remove_qgroup(trans, root->fs_info, sa->qgroupid);  in btrfs_ioctl_qgroup_create()
5046 	ret = btrfs_limit_qgroup(trans, root->fs_info, qgroupid, &sa->lim);  in btrfs_ioctl_qgroup_limit()
5083 	ret = btrfs_qgroup_rescan(root->fs_info);  in btrfs_ioctl_quota_rescan()
5105 	if (root->fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN) {  in btrfs_ioctl_quota_rescan_status()
5107 		qsa->progress = root->fs_info->qgroup_rescan_progress.objectid;  in btrfs_ioctl_quota_rescan_status()
5124 	return btrfs_qgroup_wait_for_completion(root->fs_info);  in btrfs_ioctl_quota_rescan_wait()
5145 	down_write(&root->fs_info->subvol_sem);  in _btrfs_ioctl_set_received_subvol()
5176 		btrfs_uuid_tree_rem(trans, root->fs_info->uuid_root,  in _btrfs_ioctl_set_received_subvol()
5188 	ret = btrfs_update_root(trans, root->fs_info->tree_root,  in _btrfs_ioctl_set_received_subvol()
5195 		ret = btrfs_uuid_tree_add(trans, root->fs_info->uuid_root,  in _btrfs_ioctl_set_received_subvol()
5211 	up_write(&root->fs_info->subvol_sem);  in _btrfs_ioctl_set_received_subvol()
5304 	spin_lock(&root->fs_info->super_lock);  in btrfs_ioctl_get_fslabel()
5305 	memcpy(label, root->fs_info->super_copy->label, BTRFS_LABEL_SIZE);  in btrfs_ioctl_get_fslabel()
5306 	spin_unlock(&root->fs_info->super_lock);  in btrfs_ioctl_get_fslabel()
5311 		btrfs_warn(root->fs_info,  in btrfs_ioctl_get_fslabel()
5323 	struct btrfs_super_block *super_block = root->fs_info->super_copy;  in btrfs_ioctl_set_fslabel()
5335 		btrfs_err(root->fs_info, "unable to set label with more than %d bytes",  in btrfs_ioctl_set_fslabel()
5350 	spin_lock(&root->fs_info->super_lock);  in btrfs_ioctl_set_fslabel()
5352 	spin_unlock(&root->fs_info->super_lock);  in btrfs_ioctl_set_fslabel()
5383 	struct btrfs_super_block *super_block = root->fs_info->super_copy;  in btrfs_ioctl_get_features()
5411 			btrfs_warn(root->fs_info,  in check_feature_bits()
5416 			btrfs_warn(root->fs_info,  in check_feature_bits()
5426 			btrfs_warn(root->fs_info,  in check_feature_bits()
5431 			btrfs_warn(root->fs_info,  in check_feature_bits()
5441 			btrfs_warn(root->fs_info,  in check_feature_bits()
5446 			btrfs_warn(root->fs_info,  in check_feature_bits()
5464 	struct btrfs_super_block *super_block = root->fs_info->super_copy;  in btrfs_ioctl_set_features()
5500 	spin_lock(&root->fs_info->super_lock);  in btrfs_ioctl_set_features()
5515 	spin_unlock(&root->fs_info->super_lock);  in btrfs_ioctl_set_features()
5590 		ret = btrfs_start_delalloc_roots(root->fs_info, 0, -1);  in btrfs_ioctl()
5599 		wake_up_process(root->fs_info->transaction_kthread);  in btrfs_ioctl()