else
old_val -= num_bytes;
btrfs_set_super_bytes_used(&info->super_copy, old_val);
-
- /* block accounting for root item */
- old_val = btrfs_root_used(&root->root_item);
- if (alloc)
- old_val += num_bytes;
- else
- old_val -= num_bytes;
- btrfs_set_root_used(&root->root_item, old_val);
spin_unlock(&info->delalloc_lock);
while (total) {
return ret;
}
+int btrfs_free_tree_block(struct btrfs_trans_handle *trans,
+ struct btrfs_root *root,
+ u64 bytenr, u32 blocksize,
+ u64 parent, u64 root_objectid, int level)
+{
+ u64 used;
+ spin_lock(&root->node_lock);
+ used = btrfs_root_used(&root->root_item) - blocksize;
+ btrfs_set_root_used(&root->root_item, used);
+ spin_unlock(&root->node_lock);
+
+ return btrfs_free_extent(trans, root, bytenr, blocksize,
+ parent, root_objectid, level, 0);
+}
+
static u64 stripe_align(struct btrfs_root *root, u64 val)
{
u64 mask = ((u64)root->stripesize - 1);
extent_op);
BUG_ON(ret);
}
+
+ if (root_objectid == root->root_key.objectid) {
+ u64 used;
+ spin_lock(&root->node_lock);
+ used = btrfs_root_used(&root->root_item) + num_bytes;
+ btrfs_set_root_used(&root->root_item, used);
+ spin_unlock(&root->node_lock);
+ }
return ret;
}