libceph: add ceph_pg_pool_by_id()
"Lookup pool info by ID" function is hidden in osdmap.c. Expose it to
the rest of libceph.
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
Reviewed-by: Sage Weil <sage@inktank.com>
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index ebb8ec2..7f894a6 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -174,6 +174,9 @@
extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
struct ceph_pg pgid);
+extern struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map,
+ u64 id);
+
extern const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id);
extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 768dd04..d69d2355 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -464,6 +464,11 @@
return NULL;
}
+struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map, u64 id)
+{
+ return __lookup_pg_pool(&map->pg_pools, id);
+}
+
const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id)
{
struct ceph_pg_pool_info *pi;