struct btrfs_key key;
int ret;
- root = fs_info->extent_root;
+ root = btrfs_block_group_root(fs_info);
key.objectid = block_group->start;
key.type = BTRFS_BLOCK_GROUP_ITEM_KEY;
key.offset = block_group->length;
struct btrfs_trans_handle *btrfs_start_trans_remove_block_group(
struct btrfs_fs_info *fs_info, const u64 chunk_offset)
{
+ struct btrfs_root *root = btrfs_block_group_root(fs_info);
struct extent_map_tree *em_tree = &fs_info->mapping_tree;
struct extent_map *em;
struct map_lookup *map;
num_items = 3 + map->num_stripes;
free_extent_map(em);
- return btrfs_start_transaction_fallback_global_rsv(fs_info->extent_root,
- num_items);
+ return btrfs_start_transaction_fallback_global_rsv(root, num_items);
}
/*
struct btrfs_path *path,
struct btrfs_key *key)
{
- struct btrfs_root *root = fs_info->extent_root;
+ struct btrfs_root *root = btrfs_block_group_root(fs_info);
int ret;
struct btrfs_key found_key;
struct extent_buffer *leaf;
int btrfs_read_block_groups(struct btrfs_fs_info *info)
{
+ struct btrfs_root *root = btrfs_block_group_root(info);
struct btrfs_path *path;
int ret;
struct btrfs_block_group *cache;
int need_clear = 0;
u64 cache_gen;
- if (!info->extent_root)
+ if (!root)
return fill_dummy_bgs(info);
key.objectid = 0;
{
struct btrfs_fs_info *fs_info = trans->fs_info;
struct btrfs_block_group_item bgi;
- struct btrfs_root *root;
+ struct btrfs_root *root = btrfs_block_group_root(fs_info);
struct btrfs_key key;
spin_lock(&block_group->lock);
key.offset = block_group->length;
spin_unlock(&block_group->lock);
- root = fs_info->extent_root;
return btrfs_insert_item(trans, root, &key, &bgi, sizeof(bgi));
}
{
struct btrfs_fs_info *fs_info = cache->fs_info;
struct btrfs_trans_handle *trans;
+ struct btrfs_root *root = btrfs_block_group_root(fs_info);
u64 alloc_flags;
int ret;
bool dirty_bg_running;
do {
- trans = btrfs_join_transaction(fs_info->extent_root);
+ trans = btrfs_join_transaction(root);
if (IS_ERR(trans))
return PTR_ERR(trans);
{
struct btrfs_fs_info *fs_info = trans->fs_info;
int ret;
- struct btrfs_root *root = fs_info->extent_root;
+ struct btrfs_root *root = btrfs_block_group_root(fs_info);
unsigned long bi;
struct extent_buffer *leaf;
struct btrfs_block_group_item bgi;