Re: [f2fs-dev] [PATCH v7 1/2] f2fs: add F2FS_IOC_GET_COMPRESS_OPTION ioctl

[Chao Yu]

On 2020/10/30 12:10, Daeho Jeong wrote:
> From: Daeho Jeong <daehojeong@xxxxxxxxxx>
>
> Added a new F2FS_IOC_GET_COMPRESS_OPTION ioctl to get file compression
> option of a file.
>
> struct f2fs_comp_option {
>      u8 algorithm;         => compression algorithm
>                            => 0:lzo, 1:lz4, 2:zstd, 3:lzorle
>      u8 log_cluster_size;  => log scale cluster size
>                            => 2 ~ 8
> };
>
> struct f2fs_comp_option option;
>
> ioctl(fd, F2FS_IOC_GET_COMPRESS_OPTION, &option);
>
> Signed-off-by: Daeho Jeong <daehojeong@xxxxxxxxxx>

Reviewed-by: Chao Yu <yuchao0@xxxxxxxxxx>

Thanks,