105 static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info,  in block_rsv_release_bytes()  argument
154 			btrfs_space_info_free_bytes_may_use(fs_info,  in block_rsv_release_bytes()
184 void btrfs_init_metadata_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_init_metadata_block_rsv()  argument
189 	rsv->space_info = btrfs_find_space_info(fs_info,  in btrfs_init_metadata_block_rsv()
193 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_alloc_block_rsv()  argument
202 	btrfs_init_metadata_block_rsv(fs_info, block_rsv, type);  in btrfs_alloc_block_rsv()
206 void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_free_block_rsv()  argument
211 	btrfs_block_rsv_release(fs_info, rsv, (u64)-1, NULL);  in btrfs_free_block_rsv()
215 int btrfs_block_rsv_add(struct btrfs_fs_info *fs_info,  in btrfs_block_rsv_add()  argument
224 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv, num_bytes, flush);  in btrfs_block_rsv_add()
245 int btrfs_block_rsv_refill(struct btrfs_fs_info *fs_info,  in btrfs_block_rsv_refill()  argument
264 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv, num_bytes, flush);  in btrfs_block_rsv_refill()
273 u64 btrfs_block_rsv_release(struct btrfs_fs_info *fs_info,  in btrfs_block_rsv_release()  argument
277 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_block_rsv_release()
278 	struct btrfs_block_rsv *delayed_rsv = &fs_info->delayed_refs_rsv;  in btrfs_block_rsv_release()
293 	return block_rsv_release_bytes(fs_info, block_rsv, target, num_bytes,  in btrfs_block_rsv_release()
324 void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_update_global_block_rsv()  argument
326 	struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;  in btrfs_update_global_block_rsv()
329 	u64 num_bytes = btrfs_root_used(&fs_info->tree_root->root_item);  in btrfs_update_global_block_rsv()
340 	read_lock(&fs_info->global_root_lock);  in btrfs_update_global_block_rsv()
341 	rbtree_postorder_for_each_entry_safe(root, tmp, &fs_info->global_root_tree,  in btrfs_update_global_block_rsv()
350 	read_unlock(&fs_info->global_root_lock);  in btrfs_update_global_block_rsv()
352 	if (btrfs_fs_compat_ro(fs_info, BLOCK_GROUP_TREE)) {  in btrfs_update_global_block_rsv()
353 		num_bytes += btrfs_root_used(&fs_info->block_group_root->root_item);  in btrfs_update_global_block_rsv()
369 			  btrfs_calc_insert_metadata_size(fs_info, min_items) +  in btrfs_update_global_block_rsv()
370 			  btrfs_calc_delayed_ref_bytes(fs_info,  in btrfs_update_global_block_rsv()
380 		btrfs_space_info_update_bytes_may_use(fs_info, sinfo,  in btrfs_update_global_block_rsv()
385 		btrfs_space_info_update_bytes_may_use(fs_info, sinfo,  in btrfs_update_global_block_rsv()
388 		btrfs_try_granting_tickets(fs_info, sinfo);  in btrfs_update_global_block_rsv()
401 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_init_root_block_rsv()  local
408 		root->block_rsv = &fs_info->delayed_refs_rsv;  in btrfs_init_root_block_rsv()
413 		root->block_rsv = &fs_info->global_block_rsv;  in btrfs_init_root_block_rsv()
416 		root->block_rsv = &fs_info->chunk_block_rsv;  in btrfs_init_root_block_rsv()
424 void btrfs_init_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_init_global_block_rsv()  argument
428 	space_info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM);  in btrfs_init_global_block_rsv()
429 	fs_info->chunk_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
431 	space_info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA);  in btrfs_init_global_block_rsv()
432 	fs_info->global_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
433 	fs_info->trans_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
434 	fs_info->empty_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
435 	fs_info->delayed_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
436 	fs_info->delayed_refs_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
438 	btrfs_update_global_block_rsv(fs_info);  in btrfs_init_global_block_rsv()
441 void btrfs_release_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_release_global_block_rsv()  argument
443 	btrfs_block_rsv_release(fs_info, &fs_info->global_block_rsv, (u64)-1,  in btrfs_release_global_block_rsv()
445 	WARN_ON(fs_info->trans_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
446 	WARN_ON(fs_info->trans_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
447 	WARN_ON(fs_info->chunk_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
448 	WARN_ON(fs_info->chunk_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
449 	WARN_ON(fs_info->delayed_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
450 	WARN_ON(fs_info->delayed_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
451 	WARN_ON(fs_info->delayed_refs_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
452 	WARN_ON(fs_info->delayed_refs_rsv.size > 0);  in btrfs_release_global_block_rsv()
459 	struct btrfs_fs_info *fs_info = root->fs_info;  in get_block_rsv()  local
463 	    (root == fs_info->uuid_root) ||  in get_block_rsv()
472 		block_rsv = &fs_info->empty_block_rsv;  in get_block_rsv()
481 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_use_block_rsv()  local
483 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_use_block_rsv()
501 		btrfs_update_global_block_rsv(fs_info);  in btrfs_use_block_rsv()
510 	    btrfs_test_opt(fs_info, ENOSPC_DEBUG)) {  in btrfs_use_block_rsv()
520 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv, blocksize,  in btrfs_use_block_rsv()
542 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv, blocksize,  in btrfs_use_block_rsv()
550 int btrfs_check_trunc_cache_free_space(struct btrfs_fs_info *fs_info,  in btrfs_check_trunc_cache_free_space()  argument
557 	needed_bytes = btrfs_calc_insert_metadata_size(fs_info, 1) +  in btrfs_check_trunc_cache_free_space()
558 		btrfs_calc_metadata_size(fs_info, 1);  in btrfs_check_trunc_cache_free_space()