struct mdc_op_data *op_data,
__u32 mode, __u64 rdev, __u32 uid, __u32 gid, __u64 time,
__u32 flags, const void *data, int datalen)
struct mdc_op_data *op_data,
__u32 mode, __u64 rdev, __u32 uid, __u32 gid, __u64 time,
__u32 flags, const void *data, int datalen)