* Boston, MA 021110-1307, USA.
*/
-#ifndef __TRANSACTION__
-#define __TRANSACTION__
+#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;
}