btrfs-progs: check: introduce function to check dev used space

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

diff --git a/transaction.h b/transaction.h
index ac026aa..13e09a6 100644 (file)
--- a/transaction.h
+++ b/transaction.h
@@ -16,13 +16,19 @@
  * 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 *
@@ -30,11 +36,21 @@ 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));
+
+       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;
 }