os_pread_file     596 arch/um/drivers/ubd_kern.c 	err = os_pread_file(fd, buf, len, offset);
os_pread_file    1537 arch/um/drivers/ubd_kern.c 				n = os_pread_file(req->fds[bit], buf, len, off);
os_pread_file     151 arch/um/include/shared/os.h extern int os_pread_file(int fd, void *buf, int len, unsigned long long offset);