btrfs-progs: check: introduce function to find inode_ref

[platform/upstream/btrfs-progs.git] / transaction.h

diff --git a/transaction.h b/transaction.h
index 3adb6e6..13e09a6 100644 (file)
--- a/transaction.h
+++ b/transaction.h
@@ -1,19 +1,56 @@
-#ifndef __TRANSACTION__
-#define __TRANSACTION__
+/*
+ * 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 __BTRFS_TRANSACTION_H__
+#define __BTRFS_TRANSACTION_H__
+
+#include "kerncompat.h"
+#include "ctree.h"
 
 struct btrfs_trans_handle {
        u64 transid;
+       u64 alloc_exclude_start;
+       u64 alloc_exclude_nr;
        unsigned long blocks_reserved;
        unsigned long blocks_used;
+       struct btrfs_block_group_cache *block_group;
 };
 
 static inline struct btrfs_trans_handle *
 btrfs_start_transaction(struct btrfs_root *root, int num_blocks)
 {
+       struct btrfs_fs_info *fs_info = root->fs_info;
        struct btrfs_trans_handle *h = malloc(sizeof(*h));
-       h->transid = root->root_key.offset;
+
+       BUG_ON(!h);
+       BUG_ON(root->commit_root);
+       BUG_ON(fs_info->running_transaction);
+       fs_info->running_transaction = h;
+       fs_info->generation++;
+       h->transid = fs_info->generation;
+       h->alloc_exclude_start = 0;
+       h->alloc_exclude_nr = 0;
        h->blocks_reserved = num_blocks;
        h->blocks_used = 0;
+       h->block_group = NULL;
+       root->last_trans = h->transid;
+       root->commit_root = root->node;
+       extent_buffer_get(root->node);
        return h;
 }