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()
421 	int compress_type = root->fs_info->compress_type;  in compress_file_range()
786 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in submit_compressed_extents()
972 	       btrfs_super_total_bytes(root->fs_info->super_copy));  in cow_file_range()
1003 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in cow_file_range()
1109 	if (atomic_sub_return(nr_pages, &root->fs_info->async_delalloc_pages) <  in async_cow_submit()
1111 	    waitqueue_active(&root->fs_info->async_submit_wait))  in async_cow_submit()
1112 		wake_up(&root->fs_info->async_submit_wait);  in async_cow_submit()
1163 		atomic_add(nr_pages, &root->fs_info->async_delalloc_pages);  in cow_file_range_async()
1165 		btrfs_queue_work(root->fs_info->delalloc_workers,  in cow_file_range_async()
1168 		if (atomic_read(&root->fs_info->async_delalloc_pages) > limit) {  in cow_file_range_async()
1169 			wait_event(root->fs_info->async_submit_wait,  in cow_file_range_async()
1170 			   (atomic_read(&root->fs_info->async_delalloc_pages) <  in cow_file_range_async()
1174 		while (atomic_read(&root->fs_info->async_submit_draining) &&  in cow_file_range_async()
1175 		      atomic_read(&root->fs_info->async_delalloc_pages)) {  in cow_file_range_async()
1176 			wait_event(root->fs_info->async_submit_wait,  in cow_file_range_async()
1177 			  (atomic_read(&root->fs_info->async_delalloc_pages) ==  in cow_file_range_async()
1195 	ret = btrfs_lookup_csums_range(root->fs_info->csum_root, bytenr,  in csum_exist_in_range()
1273 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in run_delalloc_nocow()
1426 			em->bdev = root->fs_info->fs_devices->latest_bdev;  in run_delalloc_nocow()
1662 			spin_lock(&root->fs_info->delalloc_root_lock);  in btrfs_add_delalloc_inodes()
1665 				      &root->fs_info->delalloc_roots);  in btrfs_add_delalloc_inodes()
1666 			spin_unlock(&root->fs_info->delalloc_root_lock);  in btrfs_add_delalloc_inodes()
1682 			spin_lock(&root->fs_info->delalloc_root_lock);  in btrfs_del_delalloc_inode()
1685 			spin_unlock(&root->fs_info->delalloc_root_lock);  in btrfs_del_delalloc_inode()
1724 		__percpu_counter_add(&root->fs_info->delalloc_bytes, len,  in btrfs_set_bit_hook()
1725 				     root->fs_info->delalloc_batch);  in btrfs_set_bit_hook()
1776 		    root != root->fs_info->tree_root)  in btrfs_clear_bit_hook()
1788 		__percpu_counter_add(&root->fs_info->delalloc_bytes, -len,  in btrfs_clear_bit_hook()
1789 				     root->fs_info->delalloc_batch);  in btrfs_clear_bit_hook()
1819 	ret = btrfs_map_block(root->fs_info, rw, logical,  in btrfs_merge_bio_hook()
1892 		ret = btrfs_bio_wq_end_io(root->fs_info, bio, metadata);  in btrfs_submit_bio_hook()
1912 		ret = btrfs_wq_submit_bio(BTRFS_I(inode)->root->fs_info,  in btrfs_submit_bio_hook()
1948 		       BTRFS_I(inode)->root->fs_info->csum_root, sum);  in add_pending_csums()
2063 	btrfs_queue_work(root->fs_info->fixup_workers, &fixup->work);  in btrfs_writepage_start_hook()
2247 	struct btrfs_fs_info *fs_info;  in record_one_backref()  local
2269 	fs_info = BTRFS_I(inode)->root->fs_info;  in record_one_backref()
2270 	root = btrfs_read_fs_root_no_name(fs_info, &key);  in record_one_backref()
2367 	struct btrfs_fs_info *fs_info = BTRFS_I(new->inode)->root->fs_info;  in record_extent_backrefs()  local
2375 						  old->extent_offset, fs_info,  in record_extent_backrefs()
2425 	struct btrfs_fs_info *fs_info;  in relink_extent_backref()  local
2452 	fs_info = BTRFS_I(src_inode)->root->fs_info;  in relink_extent_backref()
2453 	index = srcu_read_lock(&fs_info->subvol_srcu);  in relink_extent_backref()
2455 	root = btrfs_read_fs_root_no_name(fs_info, &key);  in relink_extent_backref()
2457 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2464 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2473 	inode = btrfs_iget(fs_info->sb, &key, root, NULL);  in relink_extent_backref()
2475 		srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2479 	srcu_read_unlock(&fs_info->subvol_srcu, index);  in relink_extent_backref()
2679 	atomic_dec(&root->fs_info->defrag_running);  in relink_file_extents()
2680 	wake_up(&root->fs_info->transaction_wait);  in relink_file_extents()
2785 	atomic_inc(&root->fs_info->defrag_running);  in record_old_file_extents()
2801 	cache = btrfs_lookup_block_group(root->fs_info, start);  in btrfs_release_delalloc_bytes()
2868 		trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in btrfs_finish_ordered_io()
2903 	trans->block_rsv = &root->fs_info->delalloc_block_rsv;  in btrfs_finish_ordered_io()
2914 		BUG_ON(root == root->fs_info->tree_root);  in btrfs_finish_ordered_io()
2950 	if (root != root->fs_info->tree_root)  in btrfs_finish_ordered_io()
2992 			atomic_dec(&root->fs_info->defrag_running);  in btrfs_finish_ordered_io()
3030 		wq = root->fs_info->endio_freespace_worker;  in btrfs_writepage_end_io_hook()
3033 		wq = root->fs_info->endio_write_workers;  in btrfs_writepage_end_io_hook()
3064 	btrfs_warn_rl(BTRFS_I(inode)->root->fs_info,  in __readpage_endio_check()
3118 	struct btrfs_fs_info *fs_info = BTRFS_I(inode)->root->fs_info;  in btrfs_add_delayed_iput()  local
3127 	spin_lock(&fs_info->delayed_iput_lock);  in btrfs_add_delayed_iput()
3128 	list_add_tail(&delayed->list, &fs_info->delayed_iputs);  in btrfs_add_delayed_iput()
3129 	spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_add_delayed_iput()
3135 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_run_delayed_iputs()  local
3139 	spin_lock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3140 	empty = list_empty(&fs_info->delayed_iputs);  in btrfs_run_delayed_iputs()
3141 	spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3145 	spin_lock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3146 	list_splice_init(&fs_info->delayed_iputs, &list);  in btrfs_run_delayed_iputs()
3147 	spin_unlock(&fs_info->delayed_iput_lock);  in btrfs_run_delayed_iputs()
3189 		ret = btrfs_del_orphan_item(trans, root->fs_info->tree_root,  in btrfs_orphan_commit_root()
3283 		ret = btrfs_insert_orphan_item(trans, root->fs_info->tree_root,  in btrfs_orphan_add()
3393 			btrfs_err(root->fs_info,  in btrfs_orphan_cleanup()
3404 		inode = btrfs_iget(root->fs_info->sb, &found_key, root, NULL);  in btrfs_orphan_cleanup()
3409 		if (ret == -ESTALE && root == root->fs_info->tree_root) {  in btrfs_orphan_cleanup()
3411 			struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_orphan_cleanup()  local
3425 			spin_lock(&fs_info->trans_lock);  in btrfs_orphan_cleanup()
3426 			list_for_each_entry(dead_root, &fs_info->dead_roots,  in btrfs_orphan_cleanup()
3434 			spin_unlock(&fs_info->trans_lock);  in btrfs_orphan_cleanup()
3451 			btrfs_debug(root->fs_info, "auto deleting %Lu",  in btrfs_orphan_cleanup()
3520 		btrfs_debug(root->fs_info, "unlinked %d orphans", nr_unlink);  in btrfs_orphan_cleanup()
3522 		btrfs_debug(root->fs_info, "truncated %d orphans", nr_truncate);  in btrfs_orphan_cleanup()
3526 		btrfs_err(root->fs_info,  in btrfs_orphan_cleanup()
3681 	if (BTRFS_I(inode)->last_trans == root->fs_info->generation)  in btrfs_read_locked_inode()
3747 			btrfs_err(root->fs_info,  in btrfs_read_locked_inode()
3766 		if (root == root->fs_info->tree_root)  in btrfs_read_locked_inode()
3893 	    && !root->fs_info->log_root_recovering) {  in btrfs_update_inode()
3981 		btrfs_info(root->fs_info,  in __btrfs_unlink_inode()
4124 	ret = btrfs_del_root_ref(trans, root->fs_info->tree_root,  in btrfs_unlink_subvol()
4214 	ret = btrfs_block_rsv_add(root, &root->fs_info->trans_block_rsv,  in truncate_space_check()
4324 	    root == root->fs_info->tree_root)  in btrfs_truncate_inode_items()
4514 		     root == root->fs_info->tree_root)) {  in btrfs_truncate_inode_items()
4730 	if (btrfs_fs_incompat(root->fs_info, NO_HOLES)) {  in maybe_insert_hole()
4731 		BTRFS_I(inode)->last_trans = root->fs_info->generation;  in maybe_insert_hole()
4845 			hole_em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_cont_expand()
4847 			hole_em->generation = root->fs_info->generation;  in btrfs_cont_expand()
5164 	if (root->fs_info->log_root_recovering) {  in btrfs_evict_inode()
5189 	global_rsv = &root->fs_info->global_block_rsv;  in btrfs_evict_inode()
5223 			btrfs_warn(root->fs_info,  in btrfs_evict_inode()
5274 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_evict_inode()
5293 	trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_evict_inode()
5294 	if (!(root == root->fs_info->tree_root ||  in btrfs_evict_inode()
5371 	ret = btrfs_search_slot(NULL, root->fs_info->tree_root, &key, path,  in fixup_tree_root_location()
5393 	new_root = btrfs_read_fs_root_no_name(root->fs_info, location);  in fixup_tree_root_location()
5459 		synchronize_srcu(&root->fs_info->subvol_srcu);  in inode_tree_del()
5476 	if (!test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))  in btrfs_invalidate_inodes()
5645 	index = srcu_read_lock(&root->fs_info->subvol_srcu);  in btrfs_lookup_dentry()
5656 	srcu_read_unlock(&root->fs_info->subvol_srcu, index);  in btrfs_lookup_dentry()
5659 		down_read(&root->fs_info->cleanup_work_sem);  in btrfs_lookup_dentry()
5662 		up_read(&root->fs_info->cleanup_work_sem);  in btrfs_lookup_dentry()
5743 	if (root->fs_info->tree_root == root)  in btrfs_real_readdir()
5921 	if (btrfs_fs_closing(root->fs_info) && btrfs_is_free_space_inode(inode))  in btrfs_write_inode()
6108 	inode = new_inode(root->fs_info->sb);  in btrfs_new_inode()
6237 		btrfs_err(root->fs_info,  in btrfs_new_inode()
6283 		ret = btrfs_add_root_ref(trans, root->fs_info->tree_root,  in btrfs_add_link()
6318 		err = btrfs_del_root_ref(trans, root->fs_info->tree_root,  in btrfs_add_link()
6765 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_get_extent()
6781 	em->bdev = root->fs_info->fs_devices->latest_bdev;  in btrfs_get_extent()
6949 		btrfs_err(root->fs_info, "bad extent! em: [%llu %llu] passed [%llu %llu]",  in btrfs_get_extent()
7471 	em->bdev = root->fs_info->fs_devices->latest_bdev;  in create_pinned_em()
7730 	ret = btrfs_bio_wq_end_io(root->fs_info, bio,  in submit_dio_repair_bio()
7748 	num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info,  in btrfs_check_dio_repairable()
7813 	btrfs_debug(BTRFS_I(inode)->root->fs_info,  in dio_read_error()
8027 	btrfs_queue_work(root->fs_info->endio_write_workers,  in btrfs_endio_direct_write()
8066 		btrfs_warn(BTRFS_I(dip->inode)->root->fs_info,  in btrfs_end_dio_bio()
8156 		ret = btrfs_bio_wq_end_io(root->fs_info, bio,  in __btrfs_submit_dio_bio()
8166 		ret = btrfs_wq_submit_bio(root->fs_info,  in __btrfs_submit_dio_bio()
8210 	ret = btrfs_map_block(root->fs_info, rw, start_sector << 9,  in btrfs_submit_direct_hook()
8271 			ret = btrfs_map_block(root->fs_info, rw,  in btrfs_submit_direct_hook()
8503 				   BTRFS_I(inode)->root->fs_info->fs_devices->latest_bdev,  in btrfs_direct_IO()
8833 	BTRFS_I(inode)->last_trans = root->fs_info->generation;  in btrfs_page_mkwrite()
8920 	ret = btrfs_block_rsv_migrate(&root->fs_info->trans_block_rsv, rsv,  in btrfs_truncate()
8943 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_truncate()
8960 		ret = btrfs_block_rsv_migrate(&root->fs_info->trans_block_rsv,  in btrfs_truncate()
8974 		trans->block_rsv = &root->fs_info->trans_block_rsv;  in btrfs_truncate()
9019 		btrfs_err(new_root->fs_info,  in btrfs_create_subvol_root()
9118 		btrfs_info(root->fs_info, "inode %llu still on the orphan list",  in btrfs_destroy_inode()
9128 			btrfs_err(root->fs_info, "found ordered extent %llu %llu on inode cleanup",  in btrfs_destroy_inode()
9306 		down_read(&root->fs_info->subvol_sem);  in btrfs_rename()
9331 		btrfs_set_log_full_commit(root->fs_info, trans);  in btrfs_rename()
9423 		up_read(&root->fs_info->subvol_sem);  in btrfs_rename()
9532 		btrfs_queue_work(root->fs_info->flush_workers,  in __start_delalloc_inodes()
9561 	if (test_bit(BTRFS_FS_STATE_ERROR, &root->fs_info->fs_state))  in btrfs_start_delalloc_inodes()
9572 	atomic_inc(&root->fs_info->async_submit_draining);  in btrfs_start_delalloc_inodes()
9573 	while (atomic_read(&root->fs_info->nr_async_submits) ||  in btrfs_start_delalloc_inodes()
9574 	      atomic_read(&root->fs_info->async_delalloc_pages)) {  in btrfs_start_delalloc_inodes()
9575 		wait_event(root->fs_info->async_submit_wait,  in btrfs_start_delalloc_inodes()
9576 		   (atomic_read(&root->fs_info->nr_async_submits) == 0 &&  in btrfs_start_delalloc_inodes()
9577 		    atomic_read(&root->fs_info->async_delalloc_pages) == 0));  in btrfs_start_delalloc_inodes()
9579 	atomic_dec(&root->fs_info->async_submit_draining);  in btrfs_start_delalloc_inodes()
9583 int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput,  in btrfs_start_delalloc_roots()  argument
9590 	if (test_bit(BTRFS_FS_STATE_ERROR, &fs_info->fs_state))  in btrfs_start_delalloc_roots()
9595 	mutex_lock(&fs_info->delalloc_root_mutex);  in btrfs_start_delalloc_roots()
9596 	spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9597 	list_splice_init(&fs_info->delalloc_roots, &splice);  in btrfs_start_delalloc_roots()
9604 			       &fs_info->delalloc_roots);  in btrfs_start_delalloc_roots()
9605 		spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9616 		spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9618 	spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9621 	atomic_inc(&fs_info->async_submit_draining);  in btrfs_start_delalloc_roots()
9622 	while (atomic_read(&fs_info->nr_async_submits) ||  in btrfs_start_delalloc_roots()
9623 	      atomic_read(&fs_info->async_delalloc_pages)) {  in btrfs_start_delalloc_roots()
9624 		wait_event(fs_info->async_submit_wait,  in btrfs_start_delalloc_roots()
9625 		   (atomic_read(&fs_info->nr_async_submits) == 0 &&  in btrfs_start_delalloc_roots()
9626 		    atomic_read(&fs_info->async_delalloc_pages) == 0));  in btrfs_start_delalloc_roots()
9628 	atomic_dec(&fs_info->async_submit_draining);  in btrfs_start_delalloc_roots()
9631 		spin_lock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9632 		list_splice_tail(&splice, &fs_info->delalloc_roots);  in btrfs_start_delalloc_roots()
9633 		spin_unlock(&fs_info->delalloc_root_lock);  in btrfs_start_delalloc_roots()
9635 	mutex_unlock(&fs_info->delalloc_root_mutex);  in btrfs_start_delalloc_roots()
9838 		em->bdev = root->fs_info->fs_devices->latest_bdev;  in __btrfs_prealloc_file_range()