ceph: correct comment to match striping calculation



The object extent offset is the file offset _modulo_ the stripe unit.
The code was correct, the comment was wrong.

Reported-by: Noah Watkins <jayhawk@soe.ucsc.edu>
Signed-off-by: Sage Weil <sage@newdream.net>

parent 35e054a6

fs/ceph/osdmap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -752,7 +752,7 @@ void ceph_calc_file_object_mapping(struct ceph_file_layout *layout,

		bno = objsetno sc + stripepos;
		dout("objset %u * sc %u = bno %u\n", objsetno, sc, (unsigned)*bno);
		/* oxoff = off / layout->fl_stripe_unit; */
		/* oxoff = off % layout->fl_stripe_unit; */
		t = off;
		*oxoff = do_div(t, su);
		oxlen = min_t(u64, plen, su - *oxoff);