os_file_modtime   232 arch/um/drivers/cow_user.c 	err = os_file_modtime(header->backing_file, &modtime);
os_file_modtime   609 arch/um/drivers/ubd_kern.c 	err = os_file_modtime(file, &modtime);
os_file_modtime   153 arch/um/include/shared/os.h extern int os_file_modtime(const char *file, unsigned long *modtime);