fs/btrfs/ioctl.c

605 	struct btrfs_block_rsv block_rsv;
649 	btrfs_init_block_rsv(&block_rsv, BTRFS_BLOCK_RSV_TEMP);
650 	ret = btrfs_subvolume_reserve_metadata(root, &block_rsv,
654 	qgroup_reserved = block_rsv.qgroup_rsv_reserved;
666 	trans->block_rsv = &block_rsv;
667 	trans->bytes_reserved = block_rsv.size;
774 	trans->block_rsv = NULL;
778 	btrfs_block_rsv_release(fs_info, &block_rsv, (u64)-1, NULL);
802 	struct btrfs_block_rsv *block_rsv;
840 	block_rsv = &pending_snapshot->block_rsv;
841 	btrfs_init_block_rsv(block_rsv, BTRFS_BLOCK_RSV_TEMP);
848 	ret = btrfs_subvolume_reserve_metadata(BTRFS_I(dir)->root, block_rsv,
852 	qgroup_reserved = block_rsv->qgroup_rsv_reserved;
901 	btrfs_block_rsv_release(fs_info, block_rsv, (u64)-1, NULL);
3155 		struct btrfs_block_rsv *block_rsv = &fs_info->global_block_rsv;
3157 		spin_lock(&block_rsv->lock);
3158 		space.total_bytes = block_rsv->size;
3159 		space.used_bytes = block_rsv->size - block_rsv->reserved;
3160 		spin_unlock(&block_rsv->lock);