/* * Copyright (C) 2007 Oracle. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public * License v2 as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 021110-1307, USA. */ #ifndef __TRANSACTION__ #define __TRANSACTION__ struct btrfs_trans_handle { u64 transid; unsigned long blocks_reserved; unsigned long blocks_used; }; static inline struct btrfs_trans_handle * btrfs_start_transaction(struct btrfs_root *root, int num_blocks) { struct btrfs_trans_handle *h = malloc(sizeof(*h)); h->transid = root->root_key.offset; h->blocks_reserved = num_blocks; h->blocks_used = 0; return h; } static inline void btrfs_free_transaction(struct btrfs_root *root, struct btrfs_trans_handle *handle) { memset(handle, 0, sizeof(*handle)); free(handle); } #endif