Commit 9542cf0b authored Aug 28, 2013 by Sage Weil

libceph: use pg_num_mask instead of pgp_num_mask for pg.seed calc



Fix a typo that used the wrong bitmask for the pg.seed calculation.  This
is normally unnoticed because in most cases pg_num == pgp_num.  It is, however,
a bug that is easily corrected.

CC: stable@vger.kernel.org
Signed-off-by: Sage Weil <sage@inktank.com>
Reviewed-by: Alex Elder <alex.elder@linary.org>

parent 17c1cc1d

net/ceph/osdmap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1129,7 +1129,7 @@ static int calc_pg_raw(struct ceph_osdmap osdmap, struct ceph_pg pgid,

		/* pg_temp? */
		pgid.seed = ceph_stable_mod(pgid.seed, pool->pg_num,
		pool->pgp_num_mask);
		pool->pg_num_mask);
		pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);
		if (pg) {
		*num = pg->len;