[PATCH 30/33] libceph: add support for primary_temp mappings

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Change apply_temp() to override primary in the same way pg_temp
overrides osd set.  primary_temp overrides pg_temp primary too.

Signed-off-by: Ilya Dryomov <ilya.dryomov@xxxxxxxxxxx>
---
 net/ceph/osdmap.c |    7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 7193b012ee02..ed52b47d0ddb 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -1590,7 +1590,7 @@ static int raw_to_up_osds(struct ceph_osdmap *osdmap,
 }
 
 /*
- * Given up set, apply pg_temp mapping.
+ * Given up set, apply pg_temp and primary_temp mappings.
  *
  * Return acting set length.  *primary is set to acting primary osd id,
  * or -1 if acting set is empty.
@@ -1637,6 +1637,11 @@ static int apply_temps(struct ceph_osdmap *osdmap,
 		temp_primary = *primary;
 	}
 
+	/* primary_temp? */
+	pg = __lookup_pg_mapping(&osdmap->primary_temp, pgid);
+	if (pg)
+		temp_primary = pg->primary_temp.osd;
+
 	*primary = temp_primary;
 	return temp_len;
 }
-- 
1.7.10.4

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