445 	struct btrfs_block_rsv block_rsv;  in create_subvol()  local
467 	btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);  in create_subvol()
472 	ret = btrfs_subvolume_reserve_metadata(root, &block_rsv,  in create_subvol()
480 		btrfs_subvolume_release_metadata(root, &block_rsv,  in create_subvol()
484 	trans->block_rsv = &block_rsv;  in create_subvol()
485 	trans->bytes_reserved = block_rsv.size;  in create_subvol()
608 	trans->block_rsv = NULL;  in create_subvol()
610 	btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);  in create_subvol()
678 	btrfs_init_block_rsv(&pending_snapshot->block_rsv,  in create_snapshot()
689 					&pending_snapshot->block_rsv, 8,  in create_snapshot()
742 					 &pending_snapshot->block_rsv,  in create_snapshot()
2341 	struct btrfs_block_rsv block_rsv;  in btrfs_ioctl_snap_destroy()  local
2453 	btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);  in btrfs_ioctl_snap_destroy()
2458 	err = btrfs_subvolume_reserve_metadata(root, &block_rsv,  in btrfs_ioctl_snap_destroy()
2468 	trans->block_rsv = &block_rsv;  in btrfs_ioctl_snap_destroy()
2469 	trans->bytes_reserved = block_rsv.size;  in btrfs_ioctl_snap_destroy()
2520 	trans->block_rsv = NULL;  in btrfs_ioctl_snap_destroy()
2527 	btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);  in btrfs_ioctl_snap_destroy()
4274 		struct btrfs_block_rsv *block_rsv = &root->fs_info->global_block_rsv;  in btrfs_ioctl_space_info()  local
4276 		spin_lock(&block_rsv->lock);  in btrfs_ioctl_space_info()
4277 		space.total_bytes = block_rsv->size;  in btrfs_ioctl_space_info()
4278 		space.used_bytes = block_rsv->size - block_rsv->reserved;  in btrfs_ioctl_space_info()
4279 		spin_unlock(&block_rsv->lock);  in btrfs_ioctl_space_info()