summaryrefslogtreecommitdiffstats
path: root/net/ceph/osdmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ceph/osdmap.c')
-rw-r--r--net/ceph/osdmap.c34
1 files changed, 21 insertions, 13 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index e97c3588c3ec..eceb8d56703c 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1046,10 +1046,25 @@ 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;
+ unsigned poolid, ps, pps, t;
int preferred;
+ poolid = le32_to_cpu(pgid.pool);
+ ps = le16_to_cpu(pgid.ps);
+ preferred = (s16)le16_to_cpu(pgid.preferred);
+
+ pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
+ if (!pool)
+ return NULL;
+
/* pg_temp? */
+ if (preferred >= 0)
+ t = ceph_stable_mod(ps, le32_to_cpu(pool->v.lpg_num),
+ pool->lpgp_num_mask);
+ else
+ t = ceph_stable_mod(ps, le32_to_cpu(pool->v.pg_num),
+ pool->pgp_num_mask);
+ pgid.ps = cpu_to_le16(t);
pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);
if (pg) {
*num = pg->len;
@@ -1057,18 +1072,6 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
}
/* crush */
- poolid = le32_to_cpu(pgid.pool);
- ps = le16_to_cpu(pgid.ps);
- preferred = (s16)le16_to_cpu(pgid.preferred);
-
- /* don't forcefeed bad device ids to crush */
- if (preferred >= osdmap->max_osd ||
- preferred >= osdmap->crush->max_devices)
- preferred = -1;
-
- pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
- if (!pool)
- return NULL;
ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset,
pool->v.type, pool->v.size);
if (ruleno < 0) {
@@ -1078,6 +1081,11 @@ static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
return NULL;
}
+ /* don't forcefeed bad device ids to crush */
+ if (preferred >= osdmap->max_osd ||
+ preferred >= osdmap->crush->max_devices)
+ preferred = -1;
+
if (preferred >= 0)
pps = ceph_stable_mod(ps,
le32_to_cpu(pool->v.lpgp_num),
OpenPOWER on IntegriCloud