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Commit 8b393269 authored by Sage Weil's avatar Sage Weil
Browse files

crush: warn on do_rule failure 



If we get an error code from crush_do_rule(), print an error to the
console.

Reviewed-by: default avatarAlex Elder <elder@inktank.com>
Signed-off-by: default avatarSage Weil <sage@inktank.com>
parent 6eb43f4b

net/ceph/osdmap.c

+11 −4
Original line number Diff line number Diff line
@@ -1027,7 +1027,7 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, 
	struct ceph_pg_mapping *pg;

	struct ceph_pg_pool_info *pool;

	int ruleno;

	unsigned poolid, ps, pps, t;

	unsigned poolid, ps, pps, t, r;



	poolid = le32_to_cpu(pgid.pool);

	ps = le16_to_cpu(pgid.ps);
@@ -1060,9 +1060,16 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid, 
			      le32_to_cpu(pool->v.pgp_num),

			      pool->pgp_num_mask);

	pps += poolid;

	*num = crush_do_rule(osdmap->crush, ruleno, pps, osds,

	r = crush_do_rule(osdmap->crush, ruleno, pps, osds,

			  min_t(int, pool->v.size, *num),

			  osdmap->osd_weight);

	if (r < 0) {

		pr_err("error %d from crush rule: pool %d ruleset %d type %d"

		       " size %d\n", r, poolid, pool->v.crush_ruleset,

		       pool->v.type, pool->v.size);

		return NULL;

	}

	*num = r;

	return osds;

}