104 static u64 block_rsv_release_bytes(struct btrfs_fs_info *fs_info,  in block_rsv_release_bytes()  argument
153 			btrfs_space_info_free_bytes_may_use(fs_info,  in block_rsv_release_bytes()
183 void btrfs_init_metadata_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_init_metadata_block_rsv()  argument
188 	rsv->space_info = btrfs_find_space_info(fs_info,  in btrfs_init_metadata_block_rsv()
192 struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_alloc_block_rsv()  argument
201 	btrfs_init_metadata_block_rsv(fs_info, block_rsv, type);  in btrfs_alloc_block_rsv()
205 void btrfs_free_block_rsv(struct btrfs_fs_info *fs_info,  in btrfs_free_block_rsv()  argument
210 	btrfs_block_rsv_release(fs_info, rsv, (u64)-1, NULL);  in btrfs_free_block_rsv()
214 int btrfs_block_rsv_add(struct btrfs_fs_info *fs_info,  in btrfs_block_rsv_add()  argument
223 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv->space_info,  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->space_info,  in btrfs_block_rsv_refill()
274 u64 btrfs_block_rsv_release(struct btrfs_fs_info *fs_info,  in btrfs_block_rsv_release()  argument
278 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_block_rsv_release()
279 	struct btrfs_block_rsv *delayed_rsv = &fs_info->delayed_refs_rsv;  in btrfs_block_rsv_release()
294 	return block_rsv_release_bytes(fs_info, block_rsv, target, num_bytes,  in btrfs_block_rsv_release()
325 void btrfs_update_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_update_global_block_rsv()  argument
327 	struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;  in btrfs_update_global_block_rsv()
330 	u64 num_bytes = btrfs_root_used(&fs_info->tree_root->root_item);  in btrfs_update_global_block_rsv()
341 	read_lock(&fs_info->global_root_lock);  in btrfs_update_global_block_rsv()
342 	rbtree_postorder_for_each_entry_safe(root, tmp, &fs_info->global_root_tree,  in btrfs_update_global_block_rsv()
351 	read_unlock(&fs_info->global_root_lock);  in btrfs_update_global_block_rsv()
353 	if (btrfs_fs_compat_ro(fs_info, BLOCK_GROUP_TREE)) {  in btrfs_update_global_block_rsv()
354 		num_bytes += btrfs_root_used(&fs_info->block_group_root->root_item);  in btrfs_update_global_block_rsv()
358 	if (btrfs_fs_incompat(fs_info, RAID_STRIPE_TREE)) {  in btrfs_update_global_block_rsv()
359 		num_bytes += btrfs_root_used(&fs_info->stripe_root->root_item);  in btrfs_update_global_block_rsv()
375 			  btrfs_calc_insert_metadata_size(fs_info, min_items) +  in btrfs_update_global_block_rsv()
376 			  btrfs_calc_delayed_ref_bytes(fs_info,  in btrfs_update_global_block_rsv()
386 		btrfs_space_info_update_bytes_may_use(fs_info, sinfo,  in btrfs_update_global_block_rsv()
391 		btrfs_space_info_update_bytes_may_use(fs_info, sinfo,  in btrfs_update_global_block_rsv()
394 		btrfs_try_granting_tickets(fs_info, sinfo);  in btrfs_update_global_block_rsv()
407 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_init_root_block_rsv()  local
415 		root->block_rsv = &fs_info->delayed_refs_rsv;  in btrfs_init_root_block_rsv()
420 		root->block_rsv = &fs_info->global_block_rsv;  in btrfs_init_root_block_rsv()
423 		root->block_rsv = &fs_info->chunk_block_rsv;  in btrfs_init_root_block_rsv()
431 void btrfs_init_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_init_global_block_rsv()  argument
435 	space_info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_SYSTEM);  in btrfs_init_global_block_rsv()
436 	fs_info->chunk_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
438 	space_info = btrfs_find_space_info(fs_info, BTRFS_BLOCK_GROUP_METADATA);  in btrfs_init_global_block_rsv()
439 	fs_info->global_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
440 	fs_info->trans_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
441 	fs_info->empty_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
442 	fs_info->delayed_block_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
443 	fs_info->delayed_refs_rsv.space_info = space_info;  in btrfs_init_global_block_rsv()
445 	btrfs_update_global_block_rsv(fs_info);  in btrfs_init_global_block_rsv()
448 void btrfs_release_global_block_rsv(struct btrfs_fs_info *fs_info)  in btrfs_release_global_block_rsv()  argument
450 	btrfs_block_rsv_release(fs_info, &fs_info->global_block_rsv, (u64)-1,  in btrfs_release_global_block_rsv()
452 	WARN_ON(fs_info->trans_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
453 	WARN_ON(fs_info->trans_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
454 	WARN_ON(fs_info->chunk_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
455 	WARN_ON(fs_info->chunk_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
456 	WARN_ON(fs_info->delayed_block_rsv.size > 0);  in btrfs_release_global_block_rsv()
457 	WARN_ON(fs_info->delayed_block_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
458 	WARN_ON(fs_info->delayed_refs_rsv.reserved > 0);  in btrfs_release_global_block_rsv()
459 	WARN_ON(fs_info->delayed_refs_rsv.size > 0);  in btrfs_release_global_block_rsv()
466 	struct btrfs_fs_info *fs_info = root->fs_info;  in get_block_rsv()  local
470 	    (root == fs_info->uuid_root) ||  in get_block_rsv()
478 		block_rsv = &fs_info->empty_block_rsv;  in get_block_rsv()
487 	struct btrfs_fs_info *fs_info = root->fs_info;  in btrfs_use_block_rsv()  local
489 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_use_block_rsv()
507 		btrfs_update_global_block_rsv(fs_info);  in btrfs_use_block_rsv()
516 	    btrfs_test_opt(fs_info, ENOSPC_DEBUG)) {  in btrfs_use_block_rsv()
526 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv->space_info,  in btrfs_use_block_rsv()
548 	ret = btrfs_reserve_metadata_bytes(fs_info, block_rsv->space_info, blocksize,  in btrfs_use_block_rsv()
556 int btrfs_check_trunc_cache_free_space(const struct btrfs_fs_info *fs_info,  in btrfs_check_trunc_cache_free_space()  argument
563 	needed_bytes = btrfs_calc_insert_metadata_size(fs_info, 1) +  in btrfs_check_trunc_cache_free_space()
564 		btrfs_calc_metadata_size(fs_info, 1);  in btrfs_check_trunc_cache_free_space()