Lines Matching refs:em_tree
9861 struct extent_map_tree *em_tree; in find_first_block_group() local
9864 em_tree = &root->fs_info->mapping_tree.map_tree; in find_first_block_group()
9865 read_lock(&em_tree->lock); in find_first_block_group()
9866 em = lookup_extent_mapping(em_tree, found_key.objectid, in find_first_block_group()
9868 read_unlock(&em_tree->lock); in find_first_block_group()
10762 struct extent_map_tree *em_tree; in btrfs_remove_block_group() local
10764 em_tree = &fs_info->mapping_tree.map_tree; in btrfs_remove_block_group()
10765 write_lock(&em_tree->lock); in btrfs_remove_block_group()
10771 remove_extent_mapping(em_tree, em); in btrfs_remove_block_group()
10772 write_unlock(&em_tree->lock); in btrfs_remove_block_group()
10802 struct extent_map_tree *em_tree = &fs_info->mapping_tree.map_tree; in btrfs_start_trans_remove_block_group() local
10807 read_lock(&em_tree->lock); in btrfs_start_trans_remove_block_group()
10808 em = lookup_extent_mapping(em_tree, chunk_offset, 1); in btrfs_start_trans_remove_block_group()
10809 read_unlock(&em_tree->lock); in btrfs_start_trans_remove_block_group()