btrfs_relocate_block_group 3342 fs/btrfs/ctree.h int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start);
btrfs_relocate_block_group 3121 fs/btrfs/volumes.c 	ret = btrfs_relocate_block_group(fs_info, chunk_offset);