F_SETPIPE_SZ 28 include/uapi/linux/fcntl.h #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7) F_SETPIPE_SZ 28 tools/include/uapi/linux/fcntl.h #define F_SETPIPE_SZ (F_LINUX_SPECIFIC_BASE + 7)