265 	    data_len > root->fs_info->max_inline) {  in cow_file_range_inline()
278 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in cow_file_range_inline()
414 	int compress_type = root->fs_info->compress_type;  in compress_file_range()
779 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in submit_compressed_extents()
965 	       btrfs_super_total_bytes(root->fs_info->super_copy));  in cow_file_range()
996 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in cow_file_range()
1099 	if (atomic_sub_return(nr_pages, &root->fs_info->async_delalloc_pages) <  in async_cow_submit()
1101 	    waitqueue_active(&root->fs_info->async_submit_wait))  in async_cow_submit()
1102 		wake_up(&root->fs_info->async_submit_wait);  in async_cow_submit()
1153 		atomic_add(nr_pages, &root->fs_info->async_delalloc_pages);  in cow_file_range_async()
1155 		btrfs_queue_work(root->fs_info->delalloc_workers,  in cow_file_range_async()
1158 		if (atomic_read(&root->fs_info->async_delalloc_pages) > limit) {  in cow_file_range_async()
1159 			wait_event(root->fs_info->async_submit_wait,  in cow_file_range_async()
1160 			   (atomic_read(&root->fs_info->async_delalloc_pages) <  in cow_file_range_async()
1164 		while (atomic_read(&root->fs_info->async_submit_draining) &&  in cow_file_range_async()
1165 		      atomic_read(&root->fs_info->async_delalloc_pages)) {  in cow_file_range_async()
1166 			wait_event(root->fs_info->async_submit_wait,  in cow_file_range_async()
1167 			  (atomic_read(&root->fs_info->async_delalloc_pages) ==  in cow_file_range_async()
1185 	ret = btrfs_lookup_csums_range(root->fs_info->csum_root, bytenr,  in csum_exist_in_range()
1263 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in run_delalloc_nocow()
1416 			em->bdev = root->fs_info->fs_devices->latest_bdev;  in run_delalloc_nocow()
1652 			spin_lock(&root->fs_info->delalloc_root_lock);  in btrfs_add_delalloc_inodes()
1655 				      &root->fs_info->delalloc_roots);  in btrfs_add_delalloc_inodes()
1656 			spin_unlock(&root->fs_info->delalloc_root_lock);  in btrfs_add_delalloc_inodes()
1672 			spin_lock(&root->fs_info->delalloc_root_lock);  in btrfs_del_delalloc_inode()
1675 			spin_unlock(&root->fs_info->delalloc_root_lock);  in btrfs_del_delalloc_inode()
1714 		__percpu_counter_add(&root->fs_info->delalloc_bytes, len,  in btrfs_set_bit_hook()
1715 				     root->fs_info->delalloc_batch);  in btrfs_set_bit_hook()
1766 		    root != root->fs_info->tree_root)  in btrfs_clear_bit_hook()
1777 		__percpu_counter_add(&root->fs_info->delalloc_bytes, -len,  in btrfs_clear_bit_hook()
1778 				     root->fs_info->delalloc_batch);  in btrfs_clear_bit_hook()
1808 	ret = btrfs_map_block(root->fs_info, rw, logical,  in btrfs_merge_bio_hook()
1879 		ret = btrfs_bio_wq_end_io(root->fs_info, bio, metadata);  in btrfs_submit_bio_hook()
1899 		ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,  in btrfs_submit_bio_hook()
1933 		       BTRFS_I(inode)->root->fs_info->csum_root, sum);  in add_pending_csums()
2047 	btrfs_queue_work(root->fs_info->fixup_workers, &fixup->work);  in btrfs_writepage_start_hook()
2225 	struct btrfs_fs_info *fs_info;  in record_one_backref()  local
2247 	fs_info = BTRFS_I(inode)->root->fs_info;  in record_one_backref()
2248 	root = btrfs_read_fs_root_no_name(fs_info, &key);  in record_one_backref()
2345 	struct btrfs_fs_info *fs_info = BTRFS_I(new->inode)->root->fs_info;  in record_extent_backrefs()  local
2353 						  old->extent_offset, fs_info,  in record_extent_backrefs()
2403 	struct btrfs_fs_info *fs_info;  in relink_extent_backref()  local
2430 	fs_info = BTRFS_I(src_inode)->root->fs_info;  in relink_extent_backref()
2431 	index = srcu_read_lock(&fs_info->subvol_srcu);  in relink_extent_backref()
2433 	root = btrfs_read_fs_root_no_name(fs_info, &key);  in relink_extent_backref()
2435 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2442 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2451 	inode = btrfs_iget(fs_info->sb, &key, root, NULL);  in relink_extent_backref()
2453 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2457 	srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2658 	atomic_dec(&root->fs_info->defrag_running);  in relink_file_extents()
2659 	wake_up(&root->fs_info->transaction_wait);  in relink_file_extents()
2764 	atomic_inc(&root->fs_info->defrag_running);  in record_old_file_extents()
2780 	cache = btrfs_lookup_block_group(root->fs_info, start);  in btrfs_release_delalloc_bytes()
2839 		trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in btrfs_finish_ordered_io()
2874 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in btrfs_finish_ordered_io()
2885 		BUG_ON(root == root->fs_info->tree_root);  in btrfs_finish_ordered_io()
2921 	if (root != root->fs_info->tree_root)  in btrfs_finish_ordered_io()
2963 			atomic_dec(&root->fs_info->defrag_running);  in btrfs_finish_ordered_io()
3001 		wq = root->fs_info->endio_freespace_worker;  in btrfs_writepage_end_io_hook()
3004 		wq = root->fs_info->endio_write_workers;  in btrfs_writepage_end_io_hook()
3038 		btrfs_warn(BTRFS_I(inode)->root->fs_info,  in __readpage_endio_check()
3085 	struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;  in btrfs_add_delayed_iput()  local
3091 	spin_lock(&fs_info->delayed_iput_lock);  in btrfs_add_delayed_iput()
3094 		list_add_tail(&binode->delayed_iput, &fs_info->delayed_iputs);  in btrfs_add_delayed_iput()
3098 	spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_add_delayed_iput()
3103 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_run_delayed_iputs()  local
3105 	spin_lock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3106 	while (!list_empty(&fs_info->delayed_iputs)) {  in btrfs_run_delayed_iputs()
3109 		inode = list_first_entry(&fs_info->delayed_iputs,  in btrfs_run_delayed_iputs()
3114 					&fs_info->delayed_iputs);  in btrfs_run_delayed_iputs()
3118 		spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3120 		spin_lock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3122 	spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3157 		ret = btrfs_del_orphan_item(trans, root->fs_info->tree_root,  in btrfs_orphan_commit_root()
3251 		ret = btrfs_insert_orphan_item(trans, root->fs_info->tree_root,  in btrfs_orphan_add()
3361 			btrfs_err(root->fs_info,  in btrfs_orphan_cleanup()
3372 		inode = btrfs_iget(root->fs_info->sb, &found_key, root, NULL);  in btrfs_orphan_cleanup()
3377 		if (ret == -ESTALE && root == root->fs_info->tree_root) {  in btrfs_orphan_cleanup()
3379 			struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_orphan_cleanup()  local
3393 			spin_lock(&fs_info->trans_lock);  in btrfs_orphan_cleanup()
3394 			list_for_each_entry(dead_root, &fs_info->dead_roots,  in btrfs_orphan_cleanup()
3402 			spin_unlock(&fs_info->trans_lock);  in btrfs_orphan_cleanup()
3419 			btrfs_debug(root->fs_info, "auto deleting %Lu",  in btrfs_orphan_cleanup()
3488 		btrfs_debug(root->fs_info, "unlinked %d orphans", nr_unlink);  in btrfs_orphan_cleanup()
3490 		btrfs_debug(root->fs_info, "truncated %d orphans", nr_truncate);  in btrfs_orphan_cleanup()
3494 		btrfs_err(root->fs_info,  in btrfs_orphan_cleanup()
3649 	if (BTRFS_I(inode)->last_trans == root->fs_info->generation)  in btrfs_read_locked_inode()
3686 			btrfs_err(root->fs_info,  in btrfs_read_locked_inode()
3705 		if (root == root->fs_info->tree_root)  in btrfs_read_locked_inode()
3832 	    && !root->fs_info->log_root_recovering) {  in btrfs_update_inode()
3920 		btrfs_info(root->fs_info,  in __btrfs_unlink_inode()
4005 		ret = btrfs_cond_migrate_bytes(root->fs_info,  in __unlink_start_trans()
4006 					       &root->fs_info->trans_block_rsv,  in __unlink_start_trans()
4012 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in __unlink_start_trans()
4085 	ret = btrfs_del_root_ref(trans, root->fs_info->tree_root,  in btrfs_unlink_subvol()
4175 	ret = btrfs_block_rsv_add(root, &root->fs_info->trans_block_rsv,  in truncate_space_check()
4285 	    root == root->fs_info->tree_root)  in btrfs_truncate_inode_items()
4475 		     root == root->fs_info->tree_root)) {  in btrfs_truncate_inode_items()
4688 	if (btrfs_fs_incompat(root->fs_info, NO_HOLES)) {  in maybe_insert_hole()
4689 		BTRFS_I(inode)->last_trans = root->fs_info->generation;  in maybe_insert_hole()
4803 			hole_em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_cont_expand()
4805 			hole_em->generation = root->fs_info->generation;  in btrfs_cont_expand()
5093 	if (root->fs_info->log_root_recovering) {  in btrfs_evict_inode()
5118 	global_rsv = &root->fs_info->global_block_rsv;  in btrfs_evict_inode()
5152 			btrfs_warn(root->fs_info,  in btrfs_evict_inode()
5203 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_evict_inode()
5222 	trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_evict_inode()
5223 	if (!(root == root->fs_info->tree_root ||  in btrfs_evict_inode()
5300 	ret = btrfs_search_slot(NULL, root->fs_info->tree_root, &key, path,  in fixup_tree_root_location()
5322 	new_root = btrfs_read_fs_root_no_name(root->fs_info, location);  in fixup_tree_root_location()
5388 		synchronize_srcu(&root->fs_info->subvol_srcu);  in inode_tree_del()
5405 	if (!test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))  in btrfs_invalidate_inodes()
5574 	index = srcu_read_lock(&root->fs_info->subvol_srcu);  in btrfs_lookup_dentry()
5585 	srcu_read_unlock(&root->fs_info->subvol_srcu, index);  in btrfs_lookup_dentry()
5588 		down_read(&root->fs_info->cleanup_work_sem);  in btrfs_lookup_dentry()
5591 		up_read(&root->fs_info->cleanup_work_sem);  in btrfs_lookup_dentry()
5672 	if (root->fs_info->tree_root == root)  in btrfs_real_readdir()
5850 	if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(inode))  in btrfs_write_inode()
6037 	inode = new_inode(root->fs_info->sb);  in btrfs_new_inode()
6166 		btrfs_err(root->fs_info,  in btrfs_new_inode()
6212 		ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,  in btrfs_add_link()
6247 		err = btrfs_del_root_ref(trans, root->fs_info->tree_root,  in btrfs_add_link()
6697 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_get_extent()
6713 	em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_get_extent()
6881 		btrfs_err(root->fs_info, "bad extent! em: [%llu %llu] passed [%llu %llu]",  in btrfs_get_extent()
7404 	em->bdev = root->fs_info->fs_devices->latest_bdev;  in create_pinned_em()
7635 	ret = btrfs_bio_wq_end_io(root->fs_info, bio,  in submit_dio_repair_bio()
7653 	num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info,  in btrfs_check_dio_repairable()
7718 	btrfs_debug(BTRFS_I(inode)->root->fs_info,  in dio_read_error()
7934 	btrfs_queue_work(root->fs_info->endio_write_workers,  in btrfs_endio_direct_write()
7975 		btrfs_warn(BTRFS_I(dip->inode)->root->fs_info,  in btrfs_end_dio_bio()
8062 		ret = btrfs_bio_wq_end_io(root->fs_info, bio,  in __btrfs_submit_dio_bio()
8072 		ret = btrfs_wq_submit_bio(root->fs_info,  in __btrfs_submit_dio_bio()
8116 	ret = btrfs_map_block(root->fs_info, rw, start_sector << 9,  in btrfs_submit_direct_hook()
8177 			ret = btrfs_map_block(root->fs_info, rw,  in btrfs_submit_direct_hook()
8377 				   BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,  in btrfs_direct_IO()
8691 	BTRFS_I(inode)->last_trans = root->fs_info->generation;  in btrfs_page_mkwrite()
8778 	ret = btrfs_block_rsv_migrate(&root->fs_info->trans_block_rsv, rsv,  in btrfs_truncate()
8801 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_truncate()
8818 		ret = btrfs_block_rsv_migrate(&root->fs_info->trans_block_rsv,  in btrfs_truncate()
8832 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_truncate()
8877 		btrfs_err(new_root->fs_info,  in btrfs_create_subvol_root()
8978 		btrfs_info(root->fs_info, "inode %llu still on the orphan list",  in btrfs_destroy_inode()
8988 			btrfs_err(root->fs_info, "found ordered extent %llu %llu on inode cleanup",  in btrfs_destroy_inode()
9165 		down_read(&root->fs_info->subvol_sem);  in btrfs_rename()
9190 		btrfs_set_log_full_commit(root->fs_info, trans);  in btrfs_rename()
9282 		up_read(&root->fs_info->subvol_sem);  in btrfs_rename()
9391 		btrfs_queue_work(root->fs_info->flush_workers,  in __start_delalloc_inodes()
9420 	if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))  in btrfs_start_delalloc_inodes()
9431 	atomic_inc(&root->fs_info->async_submit_draining);  in btrfs_start_delalloc_inodes()
9432 	while (atomic_read(&root->fs_info->nr_async_submits) ||  in btrfs_start_delalloc_inodes()
9433 	      atomic_read(&root->fs_info->async_delalloc_pages)) {  in btrfs_start_delalloc_inodes()
9434 		wait_event(root->fs_info->async_submit_wait,  in btrfs_start_delalloc_inodes()
9435 		   (atomic_read(&root->fs_info->nr_async_submits) == 0 &&  in btrfs_start_delalloc_inodes()
9436 		    atomic_read(&root->fs_info->async_delalloc_pages) == 0));  in btrfs_start_delalloc_inodes()
9438 	atomic_dec(&root->fs_info->async_submit_draining);  in btrfs_start_delalloc_inodes()
9442 int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput,  in btrfs_start_delalloc_roots()  argument
9449 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))  in btrfs_start_delalloc_roots()
9454 	mutex_lock(&fs_info->delalloc_root_mutex);  in btrfs_start_delalloc_roots()
9455 	spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9456 	list_splice_init(&fs_info->delalloc_roots, &splice);  in btrfs_start_delalloc_roots()
9463 			       &fs_info->delalloc_roots);  in btrfs_start_delalloc_roots()
9464 		spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9475 		spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9477 	spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9480 	atomic_inc(&fs_info->async_submit_draining);  in btrfs_start_delalloc_roots()
9481 	while (atomic_read(&fs_info->nr_async_submits) ||  in btrfs_start_delalloc_roots()
9482 	      atomic_read(&fs_info->async_delalloc_pages)) {  in btrfs_start_delalloc_roots()
9483 		wait_event(fs_info->async_submit_wait,  in btrfs_start_delalloc_roots()
9484 		   (atomic_read(&fs_info->nr_async_submits) == 0 &&  in btrfs_start_delalloc_roots()
9485 		    atomic_read(&fs_info->async_delalloc_pages) == 0));  in btrfs_start_delalloc_roots()
9487 	atomic_dec(&fs_info->async_submit_draining);  in btrfs_start_delalloc_roots()
9490 		spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9491 		list_splice_tail(&splice, &fs_info->delalloc_roots);  in btrfs_start_delalloc_roots()
9492 		spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9494 	mutex_unlock(&fs_info->delalloc_root_mutex);  in btrfs_start_delalloc_roots()
9688 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in __btrfs_prealloc_file_range()