zero_to_size 968 fs/ocfs2/file.c loff_t zero_to_size) zero_to_size 978 fs/ocfs2/file.c while (zero_start < zero_to_size) { zero_to_size 980 fs/ocfs2/file.c zero_to_size, zero_to_size 992 fs/ocfs2/file.c if (range_end > zero_to_size) zero_to_size 993 fs/ocfs2/file.c range_end = zero_to_size;