ceph: lookup pool in osdmap by name
Implement a pool lookup by name. This will be used by rbd.
Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
index e31f118..3ccd117 100644
--- a/fs/ceph/osdmap.c
+++ b/fs/ceph/osdmap.c
@@ -417,6 +417,19 @@
return NULL;
}
+int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name)
+{
+ struct rb_node *rbp;
+
+ for (rbp = rb_first(&map->pg_pools); rbp; rbp = rb_next(rbp)) {
+ struct ceph_pg_pool_info *pi =
+ rb_entry(rbp, struct ceph_pg_pool_info, node);
+ if (pi->name && strcmp(pi->name, name) == 0)
+ return pi->id;
+ }
+ return -ENOENT;
+}
+
static void __remove_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *pi)
{
rb_erase(&pi->node, root);