444 	struct btrfs_block_rsv block_rsv;  in create_subvol()  local
466 	btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);  in create_subvol()
471 	ret = btrfs_subvolume_reserve_metadata(root, &block_rsv,  in create_subvol()
479 		btrfs_subvolume_release_metadata(root, &block_rsv,  in create_subvol()
483 	trans->block_rsv = &block_rsv;  in create_subvol()
484 	trans->bytes_reserved = block_rsv.size;  in create_subvol()
607 	trans->block_rsv = NULL;  in create_subvol()
609 	btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);  in create_subvol()
677 	btrfs_init_block_rsv(&pending_snapshot->block_rsv,  in create_snapshot()
688 					&pending_snapshot->block_rsv, 8,  in create_snapshot()
741 					 &pending_snapshot->block_rsv,  in create_snapshot()
2314 	struct btrfs_block_rsv block_rsv;  in btrfs_ioctl_snap_destroy()  local
2426 	btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);  in btrfs_ioctl_snap_destroy()
2431 	err = btrfs_subvolume_reserve_metadata(root, &block_rsv,  in btrfs_ioctl_snap_destroy()
2441 	trans->block_rsv = &block_rsv;  in btrfs_ioctl_snap_destroy()
2442 	trans->bytes_reserved = block_rsv.size;  in btrfs_ioctl_snap_destroy()
2493 	trans->block_rsv = NULL;  in btrfs_ioctl_snap_destroy()
2500 	btrfs_subvolume_release_metadata(root, &block_rsv, qgroup_reserved);  in btrfs_ioctl_snap_destroy()
4109 		struct btrfs_block_rsv *block_rsv = &root->fs_info->global_block_rsv;  in btrfs_ioctl_space_info()  local
4111 		spin_lock(&block_rsv->lock);  in btrfs_ioctl_space_info()
4112 		space.total_bytes = block_rsv->size;  in btrfs_ioctl_space_info()
4113 		space.used_bytes = block_rsv->size - block_rsv->reserved;  in btrfs_ioctl_space_info()
4114 		spin_unlock(&block_rsv->lock);  in btrfs_ioctl_space_info()