spin_lock(&block_group->lock);
if (block_group->reserved ||
btrfs_block_group_used(&block_group->item) ||
- (block_group->ro && !block_group->removed) ||
+ block_group->ro ||
list_is_singular(&block_group->list)) {
/*
* We want to bail if we made new allocations or have
static int btrfs_relocate_chunk(struct btrfs_root *root, u64 chunk_offset)
{
struct btrfs_root *extent_root;
+ struct btrfs_trans_handle *trans;
int ret;
- struct btrfs_block_group_cache *block_group;
root = root->fs_info->chunk_root;
extent_root = root->fs_info->extent_root;
if (ret)
return ret;
+ trans = btrfs_start_trans_remove_block_group(root->fs_info,
+ chunk_offset);
+ if (IS_ERR(trans)) {
+ ret = PTR_ERR(trans);
+ btrfs_handle_fs_error(root->fs_info, ret, NULL);
+ return ret;
+ }
+
/*
- * step two, flag the chunk as removed and let
- * btrfs_delete_unused_bgs() remove it.
+ * step two, delete the device extents and the
+ * chunk tree entries
*/
- block_group = btrfs_lookup_block_group(root->fs_info, chunk_offset);
- spin_lock(&block_group->lock);
- block_group->removed = 1;
- spin_unlock(&block_group->lock);
- btrfs_put_block_group(block_group);
-
- return 0;
+ ret = btrfs_remove_chunk(trans, root, chunk_offset);
+ btrfs_end_transaction(trans, extent_root);
+ return ret;
}
static int btrfs_relocate_sys_chunks(struct btrfs_root *root)