Unable to compile simulink s function for comedi interfacing on linux lubuntu 64 bit

I have created simulink s-function block for comedi interfacing on windows 32 bit and compliled suceesfully. But I am unable to compile on 64 bit linux-rtai(lubuntu) system. I am getting following errors.

/usr/src/linux-4.14.89/include/linux/falloc.h:13:2: error: ‘__s16’ does not name a type; did you mean ‘._516’?

__s16 l_type;

^~~~~

._516

/usr/src/linux-4.14.89/include/linux/falloc.h:14:2: error: ‘__s16’ does not name a type; did you mean ‘._516’?

__s16 l_whence;

^~~~~

._516

/usr/src/linux-4.14.89/include/linux/falloc.h:15:2: error: ‘__s64’ does not name a type; did you mean ‘__f64’?

__s64 l_start;

^~~~~

__f64

/usr/src/linux-4.14.89/include/linux/falloc.h:16:2: error: ‘__s64’ does not name a type; did you mean ‘__f64’?

__s64 l_len; /* len == 0 means until end of file */

^~~~~

__f64

/usr/src/linux-4.14.89/include/linux/falloc.h:17:2: error: ‘__s32’ does not name a type; did you mean ‘__f32’?

__s32 l_sysid;//s32

^~~~~

__f32

/usr/src/linux-4.14.89/include/linux/falloc.h:18:2: error: ‘__u32’ does not name a type; did you mean ‘__f32’?

__u32 l_pid;

^~~~~

__f32

/usr/src/linux-4.14.89/include/linux/falloc.h:19:2: error: ‘__s32’ does not name a type; did you mean ‘__f32’?

__s32 l_pad[4]; /* reserved area */

^~~~~

__f32