2657 	struct btrfs_block_rsv *global_rsv;  in btrfs_check_space_for_delayed_refs()  local
2672 	global_rsv = &root->fs_info->global_block_rsv;  in btrfs_check_space_for_delayed_refs()
2678 	if (global_rsv->space_info->full) {  in btrfs_check_space_for_delayed_refs()
2683 	spin_lock(&global_rsv->lock);  in btrfs_check_space_for_delayed_refs()
2684 	if (global_rsv->reserved <= num_bytes + num_dirty_bgs_bytes)  in btrfs_check_space_for_delayed_refs()
2686 	spin_unlock(&global_rsv->lock);  in btrfs_check_space_for_delayed_refs()
4063 	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;  in should_alloc_chunk()  local
4077 		num_allocated += calc_global_rsv_need_space(global_rsv);  in should_alloc_chunk()
4251 	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;  in can_overcommit()  local
4266 	spin_lock(&global_rsv->lock);  in can_overcommit()
4267 	space_size = calc_global_rsv_need_space(global_rsv);  in can_overcommit()
4268 	spin_unlock(&global_rsv->lock);  in can_overcommit()
4795 		struct btrfs_block_rsv *global_rsv =  in reserve_metadata_bytes()  local
4798 		if (block_rsv != global_rsv &&  in reserve_metadata_bytes()
4799 		    !block_rsv_use_bytes(global_rsv, orig_bytes))  in reserve_metadata_bytes()
4870 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in btrfs_cond_migrate_bytes()  local
4873 	if (global_rsv->space_info != dest->space_info)  in btrfs_cond_migrate_bytes()
4876 	spin_lock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
4877 	min_bytes = div_factor(global_rsv->size, min_factor);  in btrfs_cond_migrate_bytes()
4878 	if (global_rsv->reserved < min_bytes + num_bytes) {  in btrfs_cond_migrate_bytes()
4879 		spin_unlock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
4882 	global_rsv->reserved -= num_bytes;  in btrfs_cond_migrate_bytes()
4883 	if (global_rsv->reserved < global_rsv->size)  in btrfs_cond_migrate_bytes()
4884 		global_rsv->full = 0;  in btrfs_cond_migrate_bytes()
4885 	spin_unlock(&global_rsv->lock);  in btrfs_cond_migrate_bytes()
5062 	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;  in btrfs_block_rsv_release()  local
5063 	if (global_rsv == block_rsv ||  in btrfs_block_rsv_release()
5064 	    block_rsv->space_info != global_rsv->space_info)  in btrfs_block_rsv_release()
5065 		global_rsv = NULL;  in btrfs_block_rsv_release()
5066 	block_rsv_release_bytes(root->fs_info, block_rsv, global_rsv,  in btrfs_block_rsv_release()
5247 	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;  in btrfs_subvolume_reserve_metadata()  local
5268 		ret = btrfs_block_rsv_migrate(global_rsv, rsv, num_bytes);  in btrfs_subvolume_reserve_metadata()
5983 	struct btrfs_block_rsv *global_rsv = &fs_info->global_block_rsv;  in unpin_extent_range()  local
6019 		if (!readonly && global_rsv->space_info == space_info) {  in unpin_extent_range()
6020 			spin_lock(&global_rsv->lock);  in unpin_extent_range()
6021 			if (!global_rsv->full) {  in unpin_extent_range()
6022 				len = min(len, global_rsv->size -  in unpin_extent_range()
6023 					  global_rsv->reserved);  in unpin_extent_range()
6024 				global_rsv->reserved += len;  in unpin_extent_range()
6026 				if (global_rsv->reserved >= global_rsv->size)  in unpin_extent_range()
6027 					global_rsv->full = 1;  in unpin_extent_range()
6029 			spin_unlock(&global_rsv->lock);  in unpin_extent_range()
7517 	struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv;  in use_block_rsv()  local
7558 	    block_rsv->space_info == global_rsv->space_info) {  in use_block_rsv()
7559 		ret = block_rsv_use_bytes(global_rsv, blocksize);  in use_block_rsv()
7561 			return global_rsv;  in use_block_rsv()