4538 static inline int calc_reclaim_items_nr(struct btrfs_root *root, u64 to_reclaim)  in calc_reclaim_items_nr()  argument
4544 	nr = (int)div64_u64(to_reclaim, bytes);  in calc_reclaim_items_nr()
4555 static void shrink_delalloc(struct btrfs_root *root, u64 to_reclaim, u64 orig,  in shrink_delalloc()  argument
4570 	items = calc_reclaim_items_nr(root, to_reclaim);  in shrink_delalloc()
4571 	to_reclaim = items * EXTENT_SIZE_PER_ITEM;  in shrink_delalloc()
4589 		max_reclaim = min(delalloc_bytes, to_reclaim);  in shrink_delalloc()
4753 	u64 to_reclaim;  in btrfs_calc_reclaim_metadata_size()  local
4755 	to_reclaim = min_t(u64, num_online_cpus() * 1024 * 1024,  in btrfs_calc_reclaim_metadata_size()
4758 	if (can_overcommit(root, space_info, to_reclaim,  in btrfs_calc_reclaim_metadata_size()
4760 		to_reclaim = 0;  in btrfs_calc_reclaim_metadata_size()
4774 		to_reclaim = used - expected;  in btrfs_calc_reclaim_metadata_size()
4776 		to_reclaim = 0;  in btrfs_calc_reclaim_metadata_size()
4777 	to_reclaim = min(to_reclaim, space_info->bytes_may_use +  in btrfs_calc_reclaim_metadata_size()
4782 	return to_reclaim;  in btrfs_calc_reclaim_metadata_size()
4830 	u64 to_reclaim;  in btrfs_async_reclaim_metadata_space()  local
4836 	to_reclaim = btrfs_calc_reclaim_metadata_size(fs_info->fs_root,  in btrfs_async_reclaim_metadata_space()
4838 	if (!to_reclaim)  in btrfs_async_reclaim_metadata_space()
4843 		flush_space(fs_info->fs_root, space_info, to_reclaim,  in btrfs_async_reclaim_metadata_space()
4844 			    to_reclaim, flush_state);  in btrfs_async_reclaim_metadata_space()