ext4_llseek       379 fs/ext4/dir.c  		ret = ext4_llseek(file, offset, whence);
ext4_llseek      3128 fs/ext4/ext4.h extern loff_t ext4_llseek(struct file *file, loff_t offset, int origin);
ext4_llseek       515 fs/ext4/file.c 	.llseek		= ext4_llseek,