On 2020/10/30 12:10, Daeho Jeong wrote:
From: Daeho Jeong <[email protected]>

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 <[email protected]>

Reviewed-by: Chao Yu <[email protected]>

Thanks,


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