From: Ilya Dryomov <ilya.dryomov@inktank.com>
Date: Mon, 27 Jan 2014 17:40:19 +0200
Subject: libceph: add ceph_pg_pool_by_id()
Git-commit: ce7f6a2790464047199f54b66420243d433142bd
Patch-mainline: v3.14-rc1
References: FATE#318328 bsc#917884

"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>
Acked-by: Lee Duncan <lduncan@suse.com>
---
 include/linux/ceph/osdmap.h |    3 +++
 net/ceph/osdmap.c           |    5 +++++
 2 files changed, 8 insertions(+)

--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -201,6 +201,9 @@ extern int ceph_calc_pg_acting(struct ce
 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);
 
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -464,6 +464,11 @@ static struct ceph_pg_pool_info *__looku
 	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;
