include <linux/stat.h>
include <uapi/linux/fuse.h>
include <uapi/linux/fcntl.h>
include <include/linux/kernfs.h>

resource fd_compress_ratio[fd]
openat$fd_compress_ratio(fd const[AT_FDCWD], file ptr[in, string["/dev/memcg/memory.compress_ratio"]], flags const[O_RDWR], mode const[0]) fd_compress_ratio

write$COMPRESS_RATIO(fd fd_compress_ratio, data ptr[in, int32], len bytesize[data])