os_pwrite_file   1492 arch/um/drivers/ubd_kern.c 	n = os_pwrite_file(req->fds[1], &req->bitmap_words,
os_pwrite_file   1546 arch/um/drivers/ubd_kern.c 			n = os_pwrite_file(req->fds[bit], buf, len, off);
os_pwrite_file    152 arch/um/include/shared/os.h extern int os_pwrite_file(int fd, const void *buf, int count, unsigned long long offset);