truncated_block 2744 fs/btrfs/file.c bool truncated_block = false; truncated_block 2777 fs/btrfs/file.c truncated_block = true; truncated_block 2787 fs/btrfs/file.c truncated_block = true; truncated_block 2823 fs/btrfs/file.c truncated_block = true; truncated_block 2866 fs/btrfs/file.c if (!updated_inode && truncated_block && !ret) {