On Thu, May 08, 2014 at 11:03:57AM +0800, Gui Hecheng wrote:
> Add sys chunk array and backup roots info if the new option '-f'
> if specified.
> This may be useful for debugging sys_chunk related issues.
Sounds useful. One comment below.
> +static void print_sys_chunk_array(struct btrfs_super_block *sb)
> +{
> + struct extent_buffer *buf;
> + struct btrfs_disk_key *disk_key;
> + struct btrfs_chunk *chunk;
> + struct btrfs_key key;
> + u8 *ptr, *array_end;
> + u32 num_stripes;
> + u32 len = 0;
> + int i = 0;
> +
> + buf = malloc(sizeof(*buf) + sizeof(*sb));
Unchecked memory allocation
> + write_extent_buffer(buf, sb, 0, sizeof(*sb));
> + ptr = sb->sys_chunk_array;
> + array_end = ptr + btrfs_super_sys_array_size(sb);
> +
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